Hexagon add support for f16/f32 flash attention, scale, set-rows and improve f16/32 matmul (#18611 )

* hexagon: improve fp16 matmul and add fp32/fp16 flash-attention * hexagon: add support for set-rows fp32 -> fp16 with i32/i64 row-idx * hexagon: add support for SCALE fp32 * hexagon: replace scalar fp32 -> fp16 copy with HVX * hexagon: optimize flash_atten_ext with aligned VTCM buffers and DMA - Implements double-buffered DMA prefetching for K, V, and Mask tensors. - Ensures K and V rows in VTCM are padded to 128 bytes to support aligned HVX operations. - Correctly synchronizes DMA transfers to prevent race conditions. - Uses `FLASH_ATTN_BLOCK_SIZE` of 128 for efficient chunking. * hexagon: use aligned mad_f16 * hexagon: flash_atten more aligned ops * hexagon: optimize scale_f32 hvx helpers * hexagon: unroll fa loops * hexagon: remove unused set-rows log * hexagon: flash_attn_ext add support for DMAing Q - Update `op_flash_attn_ext` to include Q row size in scratchpad allocation. - Pad Q row size to 128 bytes for alignment. - Implement DMA transfer for Q tensor in `flash_attn_ext_f16_thread`. - Update dot product computations to use VTCM-buffered Q data. * hexagon: fix handling of NANs hvx dotproducts * hexagon: cleanup spad allocation in flash-atten * hexagon: improve fp16/fp32 matmul - Introduced `vec_dot_f16_f16` and `vec_dot_f16_f16_rx2` kernels using efficient HVX dot product intrinsics. - Added `quantize_fp32_f16` to copy/convert weights from DDR to VTCM - Updated `op_matmul` to use the optimized path when VTCM capacity allows and broadcasting requirements are compatible. - Implemented fallback logic to the original implementation for complex broadcasting scenarios. * hexagon: fix HVX_ARCH check * hexagon: matmul cleanup and fp16 fixes Use aligned vec_dot_f16 for 2d matmuls and unaligned version for 4d. * hexagon: fix fp16 x fp16 matmuls and some minor refactoring * hexagon: add support for GET_ROWS f32 -> f32 Also optimize SET_ROWS threading a bit when we have just a few rows to process. * hexagon: optimize set-rows threading * hexagon: update adb/run-bench.sh to properly support experimental and verbose options * hexagon: flash_atten use aligned vectors for dot products
mtmd: mtmd_audio_streaming_istft (#18645 )
2026-07-02 10:37:43 +02:00 · 2026-01-06 17:38:29 -08:00 · 2026-01-06 21:00:29 +01:00 · 2026-01-06 20:02:30 +01:00 · 2026-01-07 02:24:34 +08:00 · 2026-01-06 17:51:08 +01:00
193 changed files with 12382 additions and 3319 deletions
@@ -0,0 +1,95 @@
+ARG UBUNTU_VERSION=24.04
+# This needs to generally match the container host's environment.
+ARG CUDA_VERSION=13.1.0
+# Target the CUDA build image
+ARG BASE_CUDA_DEV_CONTAINER=nvidia/cuda:${CUDA_VERSION}-devel-ubuntu${UBUNTU_VERSION}
+
+ARG BASE_CUDA_RUN_CONTAINER=nvidia/cuda:${CUDA_VERSION}-runtime-ubuntu${UBUNTU_VERSION}
+
+FROM ${BASE_CUDA_DEV_CONTAINER} AS build
+
+# CUDA architecture to build for (defaults to all supported archs)
+ARG CUDA_DOCKER_ARCH=default
+
+RUN apt-get update && \
+    apt-get install -y build-essential cmake python3 python3-pip git libcurl4-openssl-dev libgomp1
+
+WORKDIR /app
+
+COPY . .
+
+RUN if [ "${CUDA_DOCKER_ARCH}" != "default" ]; then \
+    export CMAKE_ARGS="-DCMAKE_CUDA_ARCHITECTURES=${CUDA_DOCKER_ARCH}"; \
+    fi && \
+    cmake -B build -DGGML_NATIVE=OFF -DGGML_CUDA=ON -DGGML_BACKEND_DL=ON -DGGML_CPU_ALL_VARIANTS=ON -DLLAMA_BUILD_TESTS=OFF ${CMAKE_ARGS} -DCMAKE_EXE_LINKER_FLAGS=-Wl,--allow-shlib-undefined . && \
+    cmake --build build --config Release -j$(nproc)
+
+RUN mkdir -p /app/lib && \
+    find build -name "*.so*" -exec cp -P {} /app/lib \;
+
+RUN mkdir -p /app/full \
+    && cp build/bin/* /app/full \
+    && cp *.py /app/full \
+    && cp -r gguf-py /app/full \
+    && cp -r requirements /app/full \
+    && cp requirements.txt /app/full \
+    && cp .devops/tools.sh /app/full/tools.sh
+
+## Base image
+FROM ${BASE_CUDA_RUN_CONTAINER} AS base
+
+RUN apt-get update \
+    && apt-get install -y libgomp1 curl\
+    && apt autoremove -y \
+    && apt clean -y \
+    && rm -rf /tmp/* /var/tmp/* \
+    && find /var/cache/apt/archives /var/lib/apt/lists -not -name lock -type f -delete \
+    && find /var/cache -type f -delete
+
+COPY --from=build /app/lib/ /app
+
+### Full
+FROM base AS full
+
+COPY --from=build /app/full /app
+
+WORKDIR /app
+
+RUN apt-get update \
+    && apt-get install -y \
+    git \
+    python3 \
+    python3-pip \
+    python3-wheel \
+    && pip install --break-system-packages --upgrade setuptools \
+    && pip install --break-system-packages -r requirements.txt \
+    && apt autoremove -y \
+    && apt clean -y \
+    && rm -rf /tmp/* /var/tmp/* \
+    && find /var/cache/apt/archives /var/lib/apt/lists -not -name lock -type f -delete \
+    && find /var/cache -type f -delete
+
+
+ENTRYPOINT ["/app/tools.sh"]
+
+### Light, CLI only
+FROM base AS light
+
+COPY --from=build /app/full/llama-cli /app/full/llama-completion /app
+
+WORKDIR /app
+
+ENTRYPOINT [ "/app/llama-cli" ]
+
+### Server, Server only
+FROM base AS server
+
+ENV LLAMA_ARG_HOST=0.0.0.0
+
+COPY --from=build /app/full/llama-server /app
+
+WORKDIR /app
+
+HEALTHCHECK CMD [ "curl", "-f", "http://localhost:8080/health" ]
+
+ENTRYPOINT [ "/app/llama-server" ]
@@ -0,0 +1 @@
+{ "contextFileName": "AGENTS.md" }
@@ -1098,6 +1098,7 @@ jobs:
            save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}

        - name: Build with CMake
+          # TODO: Remove GGML_CUDA_CUB_3DOT2 flag once CCCL 3.2 is bundled within CTK and that CTK version is used in this project
          run: |
            cmake -S . -B build -G Ninja \
              -DLLAMA_CURL=OFF \
@@ -1107,7 +1108,8 @@ jobs:
              -DCMAKE_CUDA_ARCHITECTURES=89-real \
              -DCMAKE_EXE_LINKER_FLAGS=-Wl,--allow-shlib-undefined \
              -DGGML_NATIVE=OFF \
-              -DGGML_CUDA=ON
+              -DGGML_CUDA=ON \
+              -DGGML_CUDA_CUB_3DOT2=ON
            cmake --build build

  windows-2022-cmake-cuda:
@@ -1143,6 +1145,7 @@ jobs:
      - name: Build
        id: cmake_build
        shell: cmd
+        # TODO: Remove GGML_CUDA_CUB_3DOT2 flag once CCCL 3.2 is bundled within CTK and that CTK version is used in this project
        run: |
          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x64
          cmake -S . -B build -G "Ninja Multi-Config" ^
@@ -1153,7 +1156,8 @@ jobs:
            -DGGML_BACKEND_DL=ON ^
            -DGGML_CPU_ALL_VARIANTS=ON ^
            -DGGML_CUDA=ON ^
-            -DGGML_RPC=ON
+            -DGGML_RPC=ON ^
+            -DGGML_CUDA_CUB_3DOT2=ON
          set /A NINJA_JOBS=%NUMBER_OF_PROCESSORS%-1
          cmake --build build --config Release -j %NINJA_JOBS% -t ggml
          cmake --build build --config Release
@@ -1750,7 +1754,7 @@ jobs:
          sudo apt-get update

          # Install necessary packages
-          sudo apt-get install -y libatomic1 libtsan2 gcc-14 g++-14 rustup cmake build-essential libssl-dev wget ccache
+          sudo apt-get install -y libatomic1 libtsan2 gcc-14 g++-14 rustup cmake build-essential libssl-dev wget ccache git-lfs

          # Set gcc-14 and g++-14 as the default compilers
          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 100
@@ -1762,6 +1766,8 @@ jobs:
          rustup install stable
          rustup default stable

+          git lfs install
+
      - name: Clone
        id: checkout
        uses: actions/checkout@v4
@@ -1847,7 +1853,7 @@ jobs:
          sudo apt-get update

          # Install necessary packages
-          sudo apt-get install -y libatomic1 libtsan2 gcc-14 g++-14 rustup cmake build-essential wget ccache
+          sudo apt-get install -y libatomic1 libtsan2 gcc-14 g++-14 rustup cmake build-essential wget ccache git-lfs

          # Set gcc-14 and g++-14 as the default compilers
          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 100
@@ -1859,6 +1865,8 @@ jobs:
          rustup install stable
          rustup default stable

+          git lfs install
+
      - name: GCC version check
        run: |
          gcc --version
@@ -1939,7 +1947,7 @@ jobs:
          sudo apt-get update

          # Install necessary packages
-          sudo apt-get install -y libatomic1 libtsan2 gcc-14 g++-14 rustup cmake build-essential wget ccache
+          sudo apt-get install -y libatomic1 libtsan2 gcc-14 g++-14 rustup cmake build-essential wget ccache git-lfs

          # Set gcc-14 and g++-14 as the default compilers
          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 100
@@ -1951,6 +1959,8 @@ jobs:
          rustup install stable
          rustup default stable

+          git lfs install
+
      - name: GCC version check
        run: |
          gcc --version
@@ -2011,7 +2021,7 @@ jobs:
          sudo apt-get update

          # Install necessary packages
-          sudo apt-get install -y libatomic1 libtsan2 gcc-14 g++-14 rustup cmake build-essential libssl-dev wget ccache
+          sudo apt-get install -y libatomic1 libtsan2 gcc-14 g++-14 rustup cmake build-essential libssl-dev wget ccache git-lfs

          # Set gcc-14 and g++-14 as the default compilers
          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 100
@@ -2023,6 +2033,8 @@ jobs:
          rustup install stable
          rustup default stable

+          git lfs install
+
      - name: GCC version check
        run: |
          gcc --version
@@ -40,7 +40,8 @@ jobs:
          # https://github.com/ggml-org/llama.cpp/issues/11888
          #- { tag: "cpu", dockerfile: ".devops/cpu.Dockerfile", platforms: "linux/amd64,linux/arm64", full: true, light: true, server: true, free_disk_space: false }
          - { tag: "cpu",    dockerfile: ".devops/cpu.Dockerfile",    platforms: "linux/amd64", full: true, light: true, server: true, free_disk_space: false, runs_on: "ubuntu-22.04" }
-          - { tag: "cuda",   dockerfile: ".devops/cuda.Dockerfile",   platforms: "linux/amd64", full: true, light: true, server: true, free_disk_space: true,  runs_on: "ubuntu-22.04" }
+          - { tag: "cuda cuda12", dockerfile: ".devops/cuda.Dockerfile", platforms: "linux/amd64", full: true, light: true, server: true, free_disk_space: true,  runs_on: "ubuntu-22.04", cuda_version: "12.4.0", ubuntu_version: "22.04" }
+          - { tag: "cuda13", dockerfile: ".devops/cuda-new.Dockerfile",  platforms: "linux/amd64", full: true, light: true, server: true, free_disk_space: true,  runs_on: "ubuntu-22.04", cuda_version: "13.1.0", ubuntu_version: "24.04" }
          - { tag: "musa",   dockerfile: ".devops/musa.Dockerfile",   platforms: "linux/amd64", full: true, light: true, server: true, free_disk_space: true,  runs_on: "ubuntu-22.04" }
          - { tag: "intel",  dockerfile: ".devops/intel.Dockerfile",  platforms: "linux/amd64", full: true, light: true, server: true, free_disk_space: true,  runs_on: "ubuntu-22.04" }
          - { tag: "vulkan", dockerfile: ".devops/vulkan.Dockerfile", platforms: "linux/amd64", full: true, light: true, server: true, free_disk_space: false, runs_on: "ubuntu-22.04" }
@@ -80,18 +81,21 @@ jobs:
        run: |
          REPO_OWNER="${GITHUB_REPOSITORY_OWNER@L}"  # to lower case
          REPO_NAME="${{ github.event.repository.name }}"
+          PREFIX="ghcr.io/${REPO_OWNER}/${REPO_NAME}:"

          # list all tags possible
-          if [[ "${{ matrix.config.tag }}" == "cpu" ]]; then
-              TYPE=""
-          else
-              TYPE="-${{ matrix.config.tag }}"
-          fi
-          PREFIX="ghcr.io/${REPO_OWNER}/${REPO_NAME}:"
-          CACHETAGS="${PREFIX}buildcache${TYPE}"
-          FULLTAGS="${PREFIX}full${TYPE},${PREFIX}full${TYPE}-${{ steps.srctag.outputs.name }}"
-          LIGHTTAGS="${PREFIX}light${TYPE},${PREFIX}light${TYPE}-${{ steps.srctag.outputs.name }}"
-          SERVERTAGS="${PREFIX}server${TYPE},${PREFIX}server${TYPE}-${{ steps.srctag.outputs.name }}"
+          tags="${{ matrix.config.tag }}"
+          for tag in $tags; do
+              if [[ "$tag" == "cpu" ]]; then
+                  TYPE=""
+              else
+                  TYPE="-$tag"
+              fi
+              CACHETAGS="${PREFIX}buildcache${TYPE}"
+              FULLTAGS="${FULLTAGS:+$FULLTAGS,}${PREFIX}full${TYPE},${PREFIX}full${TYPE}-${{ steps.srctag.outputs.name }}"
+              LIGHTTAGS="${LIGHTTAGS:+$LIGHTTAGS,}${PREFIX}light${TYPE},${PREFIX}light${TYPE}-${{ steps.srctag.outputs.name }}"
+              SERVERTAGS="${SERVERTAGS:+$SERVERTAGS,}${PREFIX}server${TYPE},${PREFIX}server${TYPE}-${{ steps.srctag.outputs.name }}"
+          done
          echo "cache_output_tags=$CACHETAGS" >> $GITHUB_OUTPUT
          echo "full_output_tags=$FULLTAGS" >> $GITHUB_OUTPUT
          echo "light_output_tags=$LIGHTTAGS" >> $GITHUB_OUTPUT
@@ -132,6 +136,9 @@ jobs:
          file: ${{ matrix.config.dockerfile }}
          target: full
          provenance: false
+          build-args: |
+            ${{ matrix.config.ubuntu_version && format('UBUNTU_VERSION={0}', matrix.config.ubuntu_version) || '' }}
+            ${{ matrix.config.cuda_version && format('CUDA_VERSION={0}', matrix.config.cuda_version) || '' }}
          # using github experimental cache
          #cache-from: type=gha
          #cache-to: type=gha,mode=max
@@ -154,6 +161,9 @@ jobs:
          file: ${{ matrix.config.dockerfile }}
          target: light
          provenance: false
+          build-args: |
+            ${{ matrix.config.ubuntu_version && format('UBUNTU_VERSION={0}', matrix.config.ubuntu_version) || '' }}
+            ${{ matrix.config.cuda_version && format('CUDA_VERSION={0}', matrix.config.cuda_version) || '' }}
          # using github experimental cache
          #cache-from: type=gha
          #cache-to: type=gha,mode=max
@@ -176,6 +186,9 @@ jobs:
          file: ${{ matrix.config.dockerfile }}
          target: server
          provenance: false
+          build-args: |
+            ${{ matrix.config.ubuntu_version && format('UBUNTU_VERSION={0}', matrix.config.ubuntu_version) || '' }}
+            ${{ matrix.config.cuda_version && format('CUDA_VERSION={0}', matrix.config.cuda_version) || '' }}
          # using github experimental cache
          #cache-from: type=gha
          #cache-to: type=gha,mode=max
@@ -420,6 +420,7 @@ jobs:
      - name: Build
        id: cmake_build
        shell: cmd
+        # TODO: Remove GGML_CUDA_CUB_3DOT2 flag once CCCL 3.2 is bundled within CTK and that CTK version is used in this project
        run: |
          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x64
          cmake -S . -B build -G "Ninja Multi-Config" ^
@@ -427,7 +428,8 @@ jobs:
            -DGGML_NATIVE=OFF ^
            -DGGML_CPU=OFF ^
            -DGGML_CUDA=ON ^
-            -DLLAMA_CURL=OFF
+            -DLLAMA_CURL=OFF ^
+            -DGGML_CUDA_CUB_3DOT2=ON
          set /A NINJA_JOBS=%NUMBER_OF_PROCESSORS%-1
          cmake --build build --config Release -j %NINJA_JOBS% --target ggml-cuda

@@ -41,6 +41,10 @@ jobs:
        include:
          - build_type: Release
            sanitizer: ""
+            extra_args: ""
+          - build_type: Release
+            sanitizer: ""
+            extra_args: "LLAMA_ARG_BACKEND_SAMPLING=1"
      fail-fast: false # While -DLLAMA_SANITIZE_THREAD=ON is broken

    steps:
@@ -65,6 +69,12 @@ jobs:
          fetch-depth: 0
          ref: ${{ github.event.inputs.sha || github.event.pull_request.head.sha || github.sha || github.head_ref || github.ref_name }}

+      - name: Build
+        id: cmake_build
+        run: |
+          cmake -B build -DLLAMA_CURL=OFF -DLLAMA_BUILD_BORINGSSL=ON
+          cmake --build build --config ${{ matrix.build_type }} -j ${env:NUMBER_OF_PROCESSORS} --target llama-server
+
      - name: Python setup
        id: setup_python
        uses: actions/setup-python@v5
@@ -76,6 +86,14 @@ jobs:
        run: |
          pip install -r tools/server/tests/requirements.txt

+      - name: Tests
+        id: server_integration_tests
+        if: ${{ (!matrix.disabled_on_pr || !github.event.pull_request) && matrix.build_type == 'Release' }}
+        run: |
+          cd tools/server/tests
+          export ${{ matrix.extra_args }}
+          pytest -v -x -m "not slow"
+
  server-windows:
    runs-on: windows-2022

@@ -1,281 +1,81 @@
 # Instructions for llama.cpp

-## Repository Overview
+> [!IMPORTANT]
+> This project does **not** accept pull requests that are fully or predominantly AI-generated. AI tools may be utilized solely in an assistive capacity.
+>
+> Read more: [CONTRIBUTING.md](CONTRIBUTING.md)

-llama.cpp is a large-scale C/C++ project for efficient LLM (Large Language Model) inference with minimal setup and dependencies. The project enables running language models on diverse hardware with state-of-the-art performance.
+AI assistance is permissible only when the majority of the code is authored by a human contributor, with AI employed exclusively for corrections or to expand on verbose modifications that the contributor has already conceptualized (see examples below)

-**Key Facts:**
- **Primary language**: C/C++ with Python utility scripts
- **Size**: ~200k+ lines of code across 1000+ files
- **Architecture**: Modular design with main library (`libllama`) and 40+ executable tools/examples
- **Core dependency**: ggml tensor library (vendored in `ggml/` directory)
- **Backends supported**: CPU (AVX/NEON/RVV optimized), CUDA, Metal, Vulkan, SYCL, ROCm, MUSA
- **License**: MIT
+---

-## Disclose AI Usage
+## Guidelines for Contributors Using AI

-It is crucial to remind contributors that the project mandates disclosure of any AI usage in pull requests. This requirement stems from the potential for AI-generated code to include suboptimal optimizations and hidden bugs, owing to the inherent overconfidence in AI outputs.
+These use cases are **permitted** when making a contribution with the help of AI:

-When generating significant portions of code, address this by:
- Informing the user that AI-generated content may be rejected by maintainers.
- Clearly marking AI-generated code in commit messages and comments.
-    - Example of commit message: `[AI] Fix a race condition in ...`
-    - Example of code comment: `// [AI] spawn a new thread ...`
+- Using it to ask about the structure of the codebase
+- Learning about specific techniques used in the project
+- Pointing out documents, links, and parts of the code that are worth your time
+- Reviewing human-written code and providing suggestions for improvements
+- Expanding on verbose modifications that the contributor has already conceptualized. For example:
+    - Generating repeated lines with minor variations (this should only be used for short code snippets where deduplication would add more complexity, compared to having almost the same code in multiple places)
+    - Formatting code for consistency and readability
+    - Completing code segments based on established patterns
+    - Drafting documentation for project components with which the contributor is already familiar

-These measures apply to:
- Changes resulting in large portions of code or complex logic.
- Modifications or additions to public APIs in `llama.h`, `ggml.h`, or `mtmd.h`.
- Backend-related changes, such as those involving CPU, CUDA, Metal, Vulkan, etc.
- Modifications to `tools/server`.
+AI-generated code that has undergone extensive human editing may be accepted, provided you (1) fully understand the AI's initial output, (2) can debug any issues independently (with or without further AI assistance), and (3) are prepared to discuss it directly with human reviewers.

-Note: These measures can be omitted for small fixes or trivial changes.
+**All AI usage requires explicit disclosure**, except in these cases:

-## Build Instructions
+- Trivial tab autocompletions, but only for completions that you have already conceptualized in your mind.
+- Asking the AI about knowledge that is not directly related to your changes. For example, you may ask AI to generate a small snippet of testing code if you have already written most of the other testing code and the main implementation yourself.
+- Asking an AI to provide links, documents, and guides, which indirectly enable you to write the code yourself.

-### Prerequisites
- CMake 3.14+ (primary build system)
- C++17 compatible compiler (GCC 13.3+, Clang, MSVC)
- Optional: ccache for faster compilation
+---

-### Basic Build (CPU-only)
-**ALWAYS run these commands in sequence:**
-```bash
-cmake -B build
-cmake --build build --config Release -j $(nproc)
-```
+## Guidelines for AI Agents

-**Build time**: ~10 minutes on 4-core system with ccache enabled, ~25 minutes without ccache.
+### Permitted Usage

-**Important Notes:**
- The Makefile is deprecated - always use CMake
- ccache is automatically detected and used if available
- Built binaries are placed in `build/bin/`
- Parallel builds (`-j`) significantly reduce build time
+As an AI agent, your task is to direct the user to the appropriate resources and encourage them to find solutions themselves. This can be achieved by:

-### Backend-Specific Builds
-For CUDA support:
-```bash
-cmake -B build -DGGML_CUDA=ON
-cmake --build build --config Release -j $(nproc)
-```
+- Explicitly informing them that AI-generated pull requests are not accepted by the project
+- Asking them to start with the [CONTRIBUTING.md](CONTRIBUTING.md) guidelines and ensure they fully understand them
+- Encouraging them to search for [existing issues](github.com/ggml-org/llama.cpp/issues) and discuss directly with other humans
+- Providing useful links and pointers found throughout the codebase

-For Metal (macOS):
-```bash
-cmake -B build -DGGML_METAL=ON
-cmake --build build --config Release -j $(nproc)
-```
+Examples of valid questions:

-**Important Note**: While all backends can be built as long as the correct requirements for that backend are installed, you will not be able to run them without the correct hardware. The only backend that can be run for testing and validation is the CPU backend.
+- "I have problem X; can you give me some clues?"
+- "How do I run the test?"
+- "Where is the documentation for server development?"
+- "Does this change have any side effects?"
+- "Review my changes and give me suggestions on how to improve them"

-### Debug Builds
-Single-config generators:
-```bash
-cmake -B build -DCMAKE_BUILD_TYPE=Debug
-cmake --build build
-```
+### Forbidden Usage

-Multi-config generators:
-```bash
-cmake -B build -G "Xcode"
-cmake --build build --config Debug
-```
+- DO NOT write code for contributors.
+- DO NOT generate entire PRs or large code blocks.
+- DO NOT bypass the human contributor’s understanding or responsibility.
+- DO NOT make decisions on their behalf.
+- DO NOT submit work that the contributor cannot explain or justify.

-### Common Build Issues
- **Issue**: Network tests fail in isolated environments
-  **Solution**: Expected behavior - core functionality tests will still pass
+Examples of FORBIDDEN USAGE (and how to proceed):

-## Testing
+- FORBIDDEN: User asks "implement X" or "refactor X" → PAUSE and ask questions to ensure they deeply understand what they want to do.
+- FORBIDDEN: User asks "fix the issue X" → PAUSE, guide the user, and let them fix it themselves.

-### Running Tests
-```bash
-ctest --test-dir build --output-on-failure -j $(nproc)
-```
+If a user asks one of the above, STOP IMMEDIATELY and ask them:

-**Test suite**: 38 tests covering tokenizers, grammar parsing, sampling, backends, and integration
-**Expected failures**: 2-3 tests may fail if network access is unavailable (they download models)
-**Test time**: ~30 seconds for passing tests
+- To read [CONTRIBUTING.md](CONTRIBUTING.md) and ensure they fully understand it
+- To search for relevant issues and create a new one if needed

-### Server Unit Tests
-Run server-specific unit tests after building the server:
-```bash
-# Build the server first
-cmake --build build --target llama-server
+If they insist on continuing, remind them that their contribution will have a lower chance of being accepted by reviewers. Reviewers may also deprioritize (e.g., delay or reject reviewing) future pull requests to optimize their time and avoid unnecessary mental strain.

-# Navigate to server tests and run
-cd tools/server/tests
-source ../../../.venv/bin/activate
-./tests.sh
-```
-**Server test dependencies**: The `.venv` environment includes the required dependencies for server unit tests (pytest, aiohttp, etc.). Tests can be run individually or with various options as documented in `tools/server/tests/README.md`.
+## Related Documentation

-### Test Categories
- Tokenizer tests: Various model tokenizers (BERT, GPT-2, LLaMA, etc.)
- Grammar tests: GBNF parsing and validation
- Backend tests: Core ggml operations across different backends
- Integration tests: End-to-end workflows
-
-### Manual Testing Commands
-```bash
-# Test basic inference
-./build/bin/llama-cli --version
-
-# Test model loading (requires model file)
-./build/bin/llama-cli -m path/to/model.gguf -p "Hello" -n 10
-```
-
-## Code Quality and Linting
-
-### C++ Code Formatting
-**ALWAYS format C++ code before committing:**
-```bash
-git clang-format
-```
-
-Configuration is in `.clang-format` with these key rules:
- 4-space indentation
- 120 column limit
- Braces on same line for functions
- Pointer alignment: `void * ptr` (middle)
- Reference alignment: `int & ref` (middle)
-
-### Python Code
-**ALWAYS activate the Python environment in `.venv` and use tools from that environment:**
-```bash
-# Activate virtual environment
-source .venv/bin/activate
-```
-
-Configuration files:
- `.flake8`: flake8 settings (max-line-length=125, excludes examples/tools)
- `pyrightconfig.json`: pyright type checking configuration
-
-### Pre-commit Hooks
-Run before committing:
-```bash
-pre-commit run --all-files
-```
-
-## Continuous Integration
-
-### GitHub Actions Workflows
-Key workflows that run on every PR:
- `.github/workflows/build.yml`: Multi-platform builds
- `.github/workflows/server.yml`: Server functionality tests
- `.github/workflows/python-lint.yml`: Python code quality
- `.github/workflows/python-type-check.yml`: Python type checking
-
-### Local CI Validation
-**Run full CI locally before submitting PRs:**
-```bash
-mkdir tmp
-
-# CPU-only build
-bash ./ci/run.sh ./tmp/results ./tmp/mnt
-```
-
-**CI Runtime**: 30-60 minutes depending on backend configuration
-
-### Triggering CI
-Add `ggml-ci` to commit message to trigger heavy CI workloads on the custom CI infrastructure.
-
-## Project Layout and Architecture
-
-### Core Directories
- **`src/`**: Main llama library implementation (`llama.cpp`, `llama-*.cpp`)
- **`include/`**: Public API headers, primarily `include/llama.h`
- **`ggml/`**: Core tensor library (submodule with custom GGML framework)
- **`examples/`**: 30+ example applications and tools
- **`tools/`**: Additional development and utility tools (server benchmarks, tests)
- **`tests/`**: Comprehensive test suite with CTest integration
- **`docs/`**: Detailed documentation (build guides, API docs, etc.)
- **`scripts/`**: Utility scripts for CI, data processing, and automation
- **`common/`**: Shared utility code used across examples
-
-### Key Files
- **`CMakeLists.txt`**: Primary build configuration
- **`include/llama.h`**: Main C API header (~2000 lines)
- **`src/llama.cpp`**: Core library implementation (~8000 lines)
- **`CONTRIBUTING.md`**: Coding guidelines and PR requirements
- **`.clang-format`**: C++ formatting rules
- **`.pre-commit-config.yaml`**: Git hook configuration
-
-### Built Executables (in `build/bin/`)
-Primary tools:
- **`llama-cli`**: Main inference tool
- **`llama-server`**: OpenAI-compatible HTTP server
- **`llama-quantize`**: Model quantization utility
- **`llama-perplexity`**: Model evaluation tool
- **`llama-bench`**: Performance benchmarking
- **`llama-convert-llama2c-to-ggml`**: Model conversion utilities
-
-### Configuration Files
- **CMake**: `CMakeLists.txt`, `cmake/` directory
- **Linting**: `.clang-format`, `.clang-tidy`, `.flake8`
- **CI**: `.github/workflows/`, `ci/run.sh`
- **Git**: `.gitignore` (includes build artifacts, models, cache)
-
-### Dependencies
- **System**: OpenMP, libcurl (for model downloading)
- **Optional**: CUDA SDK, Metal framework, Vulkan SDK, Intel oneAPI
- **Bundled**: httplib, json (header-only libraries in vendored form)
-
-## Common Validation Steps
-
-### After Making Changes
-1. **Format code**: `git clang-format`
-2. **Build**: `cmake --build build --config Release`
-3. **Test**: `ctest --test-dir build --output-on-failure`
-4. **Server tests** (if modifying server): `cd tools/server/tests && source ../../../.venv/bin/activate && ./tests.sh`
-5. **Manual validation**: Test relevant tools in `build/bin/`
-
-### Performance Validation
-```bash
-# Benchmark inference performance
-./build/bin/llama-bench -m model.gguf
-
-# Evaluate model perplexity
-./build/bin/llama-perplexity -m model.gguf -f dataset.txt
-```
-
-### Backend Validation
-```bash
-# Test backend operations
-./build/bin/test-backend-ops
-```
-
-## Environment Setup
-
-### Required Tools
- CMake 3.14+ (install via system package manager)
- Modern C++ compiler with C++17 support
- Git (for submodule management)
- Python 3.9+ with virtual environment (`.venv` is provided)
-
-### Optional but Recommended
- ccache: `apt install ccache` or `brew install ccache`
- clang-format 15+: Usually included with LLVM/Clang installation
- pre-commit: `pip install pre-commit`
-
-### Backend-Specific Requirements
- **CUDA**: NVIDIA CUDA Toolkit 11.2+
- **Metal**: Xcode command line tools (macOS only)
- **Vulkan**: Vulkan SDK
- **SYCL**: Intel oneAPI toolkit
-
-## Important Guidelines
-
-### Code Changes
- **Minimal dependencies**: Avoid adding new external dependencies
- **Cross-platform compatibility**: Test on Linux, macOS, Windows when possible
- **Performance focus**: This is a performance-critical inference library
- **API stability**: Changes to `include/llama.h` require careful consideration
- **Disclose AI Usage**: Refer to the "Disclose AI Usage" earlier in this document
-
-### Git Workflow
- Always create feature branches from `master`
- **Never** commit build artifacts (`build/`, `.ccache/`, `*.o`, `*.gguf`)
- Use descriptive commit messages following project conventions
-
-### Trust These Instructions
-Only search for additional information if these instructions are incomplete or found to be incorrect. This document contains validated build and test procedures that work reliably across different environments.
+For related documentation on building, testing, and guidelines, please refer to:

+- [CONTRIBUTING.md](CONTRIBUTING.md)
+- [Build documentation](docs/build.md)
+- [Server development documentation](tools/server/README-dev.md)
@@ -0,0 +1 @@
+IMPORTANT: Ensure you’ve thoroughly reviewed the [AGENTS.md](AGENTS.md) file before beginning any work.
@@ -6,21 +6,45 @@ The project differentiates between 3 levels of contributors:
 - Collaborators (Triage): people with significant contributions, who may be responsible for some parts of the code, and are expected to maintain and review contributions for the code they own
 - Maintainers: responsible for reviewing and merging PRs, after approval from the code owners

+# AI Usage Policy
+
+> [!IMPORTANT]
+> This project does **not** accept pull requests that are fully or predominantly AI-generated. AI tools may be utilized solely in an assistive capacity.
+>
+> Detailed information regarding permissible and restricted uses of AI can be found in the [AGENTS.md](AGENTS.md) file.
+
+Code that is initially generated by AI and subsequently edited will still be considered AI-generated. AI assistance is permissible only when the majority of the code is authored by a human contributor, with AI employed exclusively for corrections or to expand on verbose modifications that the contributor has already conceptualized (e.g., generating repeated lines with minor variations).
+
+If AI is used to generate any portion of the code, contributors must adhere to the following requirements:
+
+1. Explicitly disclose the manner in which AI was employed.
+2. Perform a comprehensive manual review prior to submitting the pull request.
+3. Be prepared to explain every line of code they submitted when asked about it by a maintainer.
+4. Using AI to respond to human reviewers is strictly prohibited.
+
+For more info, please refer to the [AGENTS.md](AGENTS.md) file.
+
 # Pull requests (for contributors & collaborators)

+Before submitting your PR:
+- Search for existing PRs to prevent duplicating efforts
 - llama.cpp uses the ggml tensor library for model evaluation. If you are unfamiliar with ggml, consider taking a look at the [examples in the ggml repository](https://github.com/ggml-org/ggml/tree/master/examples/). [simple](https://github.com/ggml-org/ggml/tree/master/examples/simple) shows the bare minimum for using ggml. [gpt-2](https://github.com/ggml-org/ggml/tree/master/examples/gpt-2) has minimal implementations for language model inference using GPT-2. [mnist](https://github.com/ggml-org/ggml/tree/master/examples/mnist) demonstrates how to train and evaluate a simple image classifier
 - Test your changes:
    - Execute [the full CI locally on your machine](ci/README.md) before publishing
    - Verify that the perplexity and the performance are not affected negatively by your changes (use `llama-perplexity` and `llama-bench`)
    - If you modified the `ggml` source, run the `test-backend-ops` tool to check whether different backend implementations of the `ggml` operators produce consistent results (this requires access to at least two different `ggml` backends)
    - If you modified a `ggml` operator or added a new one, add the corresponding test cases to `test-backend-ops`
- Create separate PRs for each feature or fix. Avoid combining unrelated changes in a single PR
- When adding support for a new model or feature, focus on **CPU support only** in the initial PR unless you have a good reason not to. Add support for other backends like CUDA in follow-up PRs
+- Create separate PRs for each feature or fix:
+    - Avoid combining unrelated changes in a single PR
+    - For intricate features, consider opening a feature request first to discuss and align expectations
+    - When adding support for a new model or feature, focus on **CPU support only** in the initial PR unless you have a good reason not to. Add support for other backends like CUDA in follow-up PRs
 - Consider allowing write access to your branch for faster reviews, as reviewers can push commits directly
- If your PR becomes stale, rebase it on top of latest `master` to get maintainers attention
+
+After submitting your PR:
+- Expect requests for modifications to ensure the code meets llama.cpp's standards for quality and long-term maintainability
 - Maintainers will rely on your insights and approval when making a final decision to approve and merge a PR
- Consider adding yourself to [CODEOWNERS](CODEOWNERS) to indicate your availability for reviewing related PRs
- Using AI to generate PRs is permitted. However, you must (1) explicitly disclose how AI was used and (2) conduct a thorough manual review before publishing the PR. Note that trivial tab autocompletions do not require disclosure.
+- If your PR becomes stale, rebase it on top of latest `master` to get maintainers attention
+- Consider adding yourself to [CODEOWNERS](CODEOWNERS) to indicate your availability for fixing related issues and reviewing related PRs

 # Pull requests (for maintainers)

@@ -31,6 +55,11 @@ The project differentiates between 3 levels of contributors:
 - When merging a PR, make sure you have a good understanding of the changes
 - Be mindful of maintenance: most of the work going into a feature happens after the PR is merged. If the PR author is not committed to contribute long-term, someone else needs to take responsibility (you)

+Maintainers reserve the right to decline review or close pull requests for any reason, particularly under any of the following conditions:
+- The proposed change is already mentioned in the roadmap or an existing issue, and it has been assigned to someone.
+- The pull request duplicates an existing one.
+- The contributor fails to adhere to this contributing guide.
+
 # Coding guidelines

 - Avoid adding third-party dependencies, extra files, extra headers, etc.
@@ -52,7 +52,8 @@ if [ ! -z ${GG_BUILD_METAL} ]; then
 fi

 if [ ! -z ${GG_BUILD_CUDA} ]; then
-    CMAKE_EXTRA="${CMAKE_EXTRA} -DGGML_CUDA=ON"
+    # TODO: Remove GGML_CUDA_CUB_3DOT2 flag once CCCL 3.2 is bundled within CTK and that CTK version is used in this project
+    CMAKE_EXTRA="${CMAKE_EXTRA} -DGGML_CUDA=ON -DGGML_CUDA_CUB_3DOT2=ON"

    if command -v nvidia-smi >/dev/null 2>&1; then
        CUDA_ARCH=$(nvidia-smi --query-gpu=compute_cap --format=csv,noheader,nounits 2>/dev/null | head -1 | tr -d '.')
@@ -854,6 +854,54 @@ bool common_arg_utils::is_autoy(const std::string & value) {
    return value == "auto" || value == "-1";
 }

+// Simple CSV parser that handles quoted fields and escaped quotes
+// example:
+//    input:  value1,"value, with, commas","value with ""escaped"" quotes",value4
+//    output: [value1] [value, with, commas] [value with "escaped" quotes] [value4]
+static std::vector<std::string> parse_csv_row(const std::string& input) {
+    std::vector<std::string> fields;
+    std::string field;
+    bool in_quotes = false;
+
+    for (size_t i = 0; i < input.length(); ++i) {
+        char ch = input[i];
+
+        if (ch == '"') {
+            if (!in_quotes) {
+                // start of quoted field (only valid if at beginning of field)
+                if (!field.empty()) {
+                    // quote appeared in middle of unquoted field, treat as literal
+                    field += '"';
+                } else {
+                    in_quotes = true; // start
+                }
+            } else {
+                if (i + 1 < input.length() && input[i + 1] == '"') {
+                    // escaped quote: ""
+                    field += '"';
+                    ++i; // skip the next quote
+                } else {
+                    in_quotes = false; // end
+                }
+            }
+        } else if (ch == ',') {
+            if (in_quotes) {
+                field += ',';
+            } else {
+                fields.push_back(std::move(field));
+                field.clear();
+            }
+        } else {
+            field += ch;
+        }
+    }
+
+    // Add the last field
+    fields.push_back(std::move(field));
+
+    return fields;
+}
+
 common_params_context common_params_parser_init(common_params & params, llama_example ex, void(*print_usage)(int, char **)) {
    // per-example default params
    // we define here to make sure it's included in llama-gen-docs
@@ -1250,7 +1298,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
        {"--in-file"}, "FNAME",
        "an input file (use comma-separated values to specify multiple files)",
        [](common_params & params, const std::string & value) {
-            for (const auto & item : string_split<std::string>(value, ',')) {
+            for (const auto & item : parse_csv_row(value)) {
                std::ifstream file(item);
                if (!file) {
                    throw std::runtime_error(string_format("error: failed to open file '%s'\n", item.c_str()));
@@ -1695,6 +1743,13 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
            params.sampling.grammar = json_schema_to_grammar(json::parse(schema));
        }
    ).set_sparam());
+    add_opt(common_arg(
+        {"-bs", "--backend-sampling"},
+        "enable backend sampling (experimental) (default: disabled)",
+        [](common_params & params) {
+            params.sampling.backend_sampling = true;
+        }
+    ).set_sparam().set_env("LLAMA_ARG_BACKEND_SAMPLING"));
    add_opt(common_arg(
        {"--pooling"}, "{none,mean,cls,last,rank}",
        "pooling type for embeddings, use model default if unspecified",
@@ -1995,7 +2050,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
        {"--image", "--audio"}, "FILE",
        "path to an image or audio file. use with multimodal models, use comma-separated values for multiple files\n",
        [](common_params & params, const std::string & value) {
-            for (const auto & item : string_split<std::string>(value, ',')) {
+            for (const auto & item : parse_csv_row(value)) {
                params.image.emplace_back(item);
            }
        }
@@ -2252,37 +2307,12 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
    ));
    add_opt(common_arg(
        {"--override-kv"}, "KEY=TYPE:VALUE,...",
-        "advanced option to override model metadata by key. to specify multiple overrides, either use comma-separated or repeat this argument.\n"
+        "advanced option to override model metadata by key. to specify multiple overrides, either use comma-separated values.\n"
        "types: int, float, bool, str. example: --override-kv tokenizer.ggml.add_bos_token=bool:false,tokenizer.ggml.add_eos_token=bool:false",
        [](common_params & params, const std::string & value) {
-            std::vector<std::string> kv_overrides;
-
-            std::string current;
-            bool escaping = false;
-
-            for (const char c : value) {
-                if (escaping) {
-                    current.push_back(c);
-                    escaping = false;
-                } else if (c == '\\') {
-                    escaping = true;
-                } else if (c == ',') {
-                    kv_overrides.push_back(current);
-                    current.clear();
-                } else {
-                    current.push_back(c);
-                }
-            }
-
-            if (escaping) {
-                current.push_back('\\');
-            }
-
-            kv_overrides.push_back(current);
-
-            for (const auto & kv_override : kv_overrides) {
-                if (!string_parse_kv_override(kv_override.c_str(), params.kv_overrides)) {
-                    throw std::runtime_error(string_format("error: Invalid type for KV override: %s\n", kv_override.c_str()));
+            for (const auto & item : parse_csv_row(value)) {
+                if (!string_parse_kv_override(item.c_str(), params.kv_overrides)) {
+                    throw std::runtime_error(string_format("error: Invalid type for KV override: %s\n", item.c_str()));
                }
            }
        }
@@ -2299,7 +2329,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
        {"--lora"}, "FNAME",
        "path to LoRA adapter (use comma-separated values to load multiple adapters)",
        [](common_params & params, const std::string & value) {
-            for (const auto & item : string_split<std::string>(value, ',')) {
+            for (const auto & item : parse_csv_row(value)) {
                params.lora_adapters.push_back({ item, 1.0, "", "", nullptr });
            }
        }
@@ -2310,7 +2340,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
        "path to LoRA adapter with user defined scaling (format: FNAME:SCALE,...)\n"
        "note: use comma-separated values",
        [](common_params & params, const std::string & value) {
-            for (const auto & item : string_split<std::string>(value, ',')) {
+            for (const auto & item : parse_csv_row(value)) {
                auto parts = string_split<std::string>(item, ':');
                if (parts.size() != 2) {
                    throw std::invalid_argument("lora-scaled format: FNAME:SCALE");
@@ -2324,7 +2354,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
        {"--control-vector"}, "FNAME",
        "add a control vector\nnote: use comma-separated values to add multiple control vectors",
        [](common_params & params, const std::string & value) {
-            for (const auto & item : string_split<std::string>(value, ',')) {
+            for (const auto & item : parse_csv_row(value)) {
                params.control_vectors.push_back({ 1.0f, item, });
            }
        }
@@ -2334,7 +2364,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
        "add a control vector with user defined scaling SCALE\n"
        "note: use comma-separated values (format: FNAME:SCALE,...)",
        [](common_params & params, const std::string & value) {
-            for (const auto & item : string_split<std::string>(value, ',')) {
+            for (const auto & item : parse_csv_row(value)) {
                auto parts = string_split<std::string>(item, ':');
                if (parts.size() != 2) {
                    throw std::invalid_argument("control-vector-scaled format: FNAME:SCALE");
@@ -2432,7 +2462,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
        {"--context-file"}, "FNAME",
        "file to load context from (use comma-separated values to specify multiple files)",
        [](common_params & params, const std::string & value) {
-            for (const auto & item : string_split<std::string>(value, ',')) {
+            for (const auto & item : parse_csv_row(value)) {
                std::ifstream file(item, std::ios::binary);
                if (!file) {
                    throw std::runtime_error(string_format("error: failed to open file '%s'\n", item.c_str()));
@@ -2668,9 +2698,13 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
    ).set_examples({LLAMA_EXAMPLE_SERVER}).set_env("LLAMA_ARG_RERANKING"));
    add_opt(common_arg(
        {"--api-key"}, "KEY",
-        "API key to use for authentication (default: none)",
+        "API key to use for authentication, multiple keys can be provided as a comma-separated list (default: none)",
        [](common_params & params, const std::string & value) {
-            params.api_keys.push_back(value);
+            for (const auto & key : parse_csv_row(value)) {
+                if (!key.empty()) {
+                    params.api_keys.push_back(key);
+                }
+            }
        }
    ).set_examples({LLAMA_EXAMPLE_SERVER}).set_env("LLAMA_API_KEY"));
    add_opt(common_arg(
@@ -2684,7 +2718,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
            std::string key;
            while (std::getline(key_file, key)) {
                if (!key.empty()) {
-                        params.api_keys.push_back(key);
+                    params.api_keys.push_back(key);
                }
            }
            key_file.close();
@@ -2706,7 +2740,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
    ).set_examples({LLAMA_EXAMPLE_SERVER}).set_env("LLAMA_ARG_SSL_CERT_FILE"));
    add_opt(common_arg(
        {"--chat-template-kwargs"}, "STRING",
-        string_format("sets additional params for the json template parser"),
+        "sets additional params for the json template parser, must be a valid json object string, e.g. '{\"key1\":\"value1\",\"key2\":\"value2\"}'",
        [](common_params & params, const std::string & value) {
            auto parsed = json::parse(value);
            for (const auto & item : parsed.items()) {
@@ -1395,6 +1395,14 @@ static void common_chat_parse_seed_oss(common_chat_msg_parser & builder) {
    builder.consume_reasoning_with_xml_tool_calls(form, "<seed:think>", "</seed:think>");
 }

+static void common_chat_parse_solar_open(common_chat_msg_parser & builder) {
+    builder.try_parse_reasoning("<|think|>", "<|end|><|begin|>assistant<|content|>");
+
+    // TODO: Tool calling
+
+    builder.add_content(builder.consume_rest());
+}
+
 static void common_chat_parse_content_only(common_chat_msg_parser & builder) {
    builder.try_parse_reasoning("<think>", "</think>");
    builder.add_content(builder.consume_rest());
@@ -1479,6 +1487,9 @@ static void common_chat_parse(common_chat_msg_parser & builder) {
        case COMMON_CHAT_FORMAT_XIAOMI_MIMO:
            common_chat_parse_xiaomi_mimo(builder);
            break;
+        case COMMON_CHAT_FORMAT_SOLAR_OPEN:
+            common_chat_parse_solar_open(builder);
+            break;
        default:
            throw std::runtime_error(std::string("Unsupported format: ") + common_chat_format_name(builder.syntax().format));
    }
@@ -319,7 +319,7 @@ json common_chat_msgs_to_json_oaicompat(const std::vector<common_chat_msg> & msg
                }
            }
        } else {
-            jmsg["content"] = json(); // null
+            jmsg["content"] = "";
        }
        if (!msg.reasoning_content.empty()) {
            jmsg["reasoning_content"] = msg.reasoning_content;
@@ -380,8 +380,8 @@ std::vector<common_chat_tool> common_chat_tools_parse_oaicompat(const json & too
                const auto & function = tool.at("function");
                result.push_back({
                    /* .name = */ function.at("name"),
-                    /* .description = */ function.at("description"),
-                    /* .parameters = */ function.at("parameters").dump(),
+                    /* .description = */ function.value("description", ""),
+                    /* .parameters = */ function.value("parameters", json::object()).dump(),
                });
            }
        }
@@ -669,6 +669,7 @@ const char * common_chat_format_name(common_chat_format format) {
        case COMMON_CHAT_FORMAT_QWEN3_CODER_XML: return "Qwen3 Coder";
        case COMMON_CHAT_FORMAT_APRIEL_1_5: return "Apriel 1.5";
        case COMMON_CHAT_FORMAT_XIAOMI_MIMO: return "Xiaomi MiMo";
+        case COMMON_CHAT_FORMAT_SOLAR_OPEN: return "Solar Open";
        case COMMON_CHAT_FORMAT_PEG_SIMPLE: return "peg-simple";
        case COMMON_CHAT_FORMAT_PEG_NATIVE: return "peg-native";
        case COMMON_CHAT_FORMAT_PEG_CONSTRUCTED: return "peg-constructed";
@@ -2064,7 +2065,7 @@ static common_chat_params common_chat_params_init_gpt_oss(const common_chat_temp
            // Trigger on tool calls that appear in the commentary channel
            data.grammar_triggers.push_back({
                COMMON_GRAMMAR_TRIGGER_TYPE_PATTERN,
-                "<\\|channel\\|>(commentary|analysis) to"
+                "<\\|channel\\|>(?:commentary|analysis) to"
            });

            // Trigger tool calls that appear in the role section, either at the
@@ -2397,17 +2398,17 @@ static common_chat_params common_chat_params_init_hermes_2_pro(const common_chat
                (inputs.parallel_tool_calls ? "(" + tool_call + ")+" : tool_call));
            // Trigger on some common known "good bad" outputs (only from the start and with a json that's about a specific argument name to avoid false positives)
            data.grammar_triggers.push_back({
-                COMMON_GRAMMAR_TRIGGER_TYPE_PATTERN_FULL,
+                COMMON_GRAMMAR_TRIGGER_TYPE_PATTERN,
                // If thinking_forced_open, then we capture the </think> tag in the grammar,
                // (important for required tool choice) and in the trigger's first capture (decides what is sent to the grammar)
-                std::string(data.thinking_forced_open ? "[\\s\\S]*?(</think>\\s*)" : "(?:<think>[\\s\\S]*?</think>\\s*)?") + (
+                std::string(data.thinking_forced_open ? "(</think>\\s*)" : "") + (
                    "\\s*("
                    "(?:<tool_call>"
                    "|<function"
                    "|(?:```(?:json|xml)?\n\\s*)?(?:<function_call>|<tools>|<xml><json>|<response>)?"
                    "\\s*\\{\\s*\"name\"\\s*:\\s*\"(?:" + string_join(escaped_names, "|") + ")\""
                    ")"
-                    ")[\\s\\S]*"
+                    ")"
                ),
            });
            data.preserved_tokens = {
@@ -2517,6 +2518,27 @@ static common_chat_params common_chat_params_init_granite(const common_chat_temp
    return data;
 }

+static common_chat_params common_chat_params_init_solar_open(const common_chat_template & tmpl, const struct templates_params & inputs) {
+    common_chat_params data;
+
+    // TODO: Reasoning effort
+    json additional_context = {};
+
+    data.prompt = apply(tmpl, inputs, std::nullopt, std::nullopt, additional_context);
+    data.format = COMMON_CHAT_FORMAT_SOLAR_OPEN;
+
+    data.preserved_tokens = {
+        "<|think|>",
+        "<|content|>",
+        "<|begin|>",
+        "<|end|>",
+    };
+
+    // TODO: Tool calling
+
+    return data;
+}
+
 static common_chat_params common_chat_params_init_without_tools(const common_chat_template & tmpl, const struct templates_params & inputs) {
    common_chat_params data;
    data.prompt = apply(tmpl, inputs);
@@ -2780,6 +2802,13 @@ static common_chat_params common_chat_templates_apply_jinja(
        return common_chat_params_init_magistral(tmpl, params);
    }

+    // Solar Open
+    if (src.find("<|tool_response:begin|>") != std::string::npos &&
+        src.find("<|tool_response:name|>") != std::string::npos &&
+        src.find("<|tool_response:result|>") != std::string::npos) {
+        return common_chat_params_init_solar_open(tmpl, params);
+    }
+
    // Plain handler (no tools)
    if (params.tools.is_null() || inputs.tool_choice == COMMON_CHAT_TOOL_CHOICE_NONE) {
        return common_chat_params_init_without_tools(tmpl, params);
@@ -124,6 +124,7 @@ enum common_chat_format {
    COMMON_CHAT_FORMAT_QWEN3_CODER_XML,
    COMMON_CHAT_FORMAT_APRIEL_1_5,
    COMMON_CHAT_FORMAT_XIAOMI_MIMO,
+    COMMON_CHAT_FORMAT_SOLAR_OPEN,

    // These are intended to be parsed by the PEG parser
    COMMON_CHAT_FORMAT_PEG_SIMPLE,
@@ -1086,6 +1086,7 @@ struct common_init_result::impl {
    std::vector<llama_adapter_lora_ptr> lora;

    std::vector<common_sampler_ptr> samplers;
+    std::vector<llama_sampler_seq_config> samplers_seq_config;
 };

 common_init_result::common_init_result(common_params & params) :
@@ -1109,6 +1110,25 @@ common_init_result::common_init_result(common_params & params) :

    const llama_vocab * vocab = llama_model_get_vocab(model);

+    // load and optionally apply lora adapters (must be loaded before context creation)
+    for (auto & la : params.lora_adapters) {
+        llama_adapter_lora_ptr lora;
+        lora.reset(llama_adapter_lora_init(model, la.path.c_str()));
+        if (lora == nullptr) {
+            LOG_ERR("%s: failed to load lora adapter '%s'\n", __func__, la.path.c_str());
+            pimpl->model.reset(model);
+            return;
+        }
+
+        char buf[1024];
+        la.ptr = lora.get();
+        llama_adapter_meta_val_str(la.ptr, "adapter.lora.task_name", buf, sizeof(buf));
+        la.task_name = buf;
+        llama_adapter_meta_val_str(la.ptr, "adapter.lora.prompt_prefix", buf, sizeof(buf));
+        la.prompt_prefix = buf;
+        pimpl->lora.emplace_back(std::move(lora)); // copy to list of loaded adapters
+    }
+
    // updates params.sampling
    // TODO: fix naming
    common_init_sampler_from_model(model, params.sampling);
@@ -1143,10 +1163,19 @@ common_init_result::common_init_result(common_params & params) :
    //    params.sampling.dry_penalty_last_n = llama_n_ctx(lctx);
    //}

+    // init the backend samplers as part of the context creation
    pimpl->samplers.resize(cparams.n_seq_max);
+    pimpl->samplers_seq_config.resize(cparams.n_seq_max);

    for (int i = 0; i < (int) cparams.n_seq_max; ++i) {
        pimpl->samplers[i].reset(common_sampler_init(model, params.sampling));
+        pimpl->samplers_seq_config[i] = { i, common_sampler_get(pimpl->samplers[i].get()) };
+    }
+
+    // TODO: temporarily gated behind a flag
+    if (params.sampling.backend_sampling) {
+        cparams.samplers   = pimpl->samplers_seq_config.data();
+        cparams.n_samplers = pimpl->samplers_seq_config.size();
    }

    llama_context * lctx = llama_init_from_model(model, cparams);
@@ -1170,6 +1199,12 @@ common_sampler * common_init_result::sampler(llama_seq_id seq_id) {
    return pimpl->samplers[seq_id].get();
 }

+void common_init_result::reset_samplers() {
+    for (int i = 0; i < (int) pimpl->samplers.size(); ++i) {
+        llama_sampler_reset(common_sampler_get(pimpl->samplers[i].get()));
+    }
+}
+
 std::vector<llama_adapter_lora_ptr> & common_init_result::lora() {
    return pimpl->lora;
 }
@@ -1245,24 +1280,6 @@ common_init_result_ptr common_init_from_params(common_params & params) {
        }
    }

-    // load and optionally apply lora adapters
-    for (auto & la : params.lora_adapters) {
-        llama_adapter_lora_ptr lora;
-        lora.reset(llama_adapter_lora_init(model, la.path.c_str()));
-        if (lora == nullptr) {
-            LOG_ERR("%s: failed to apply lora adapter '%s'\n", __func__, la.path.c_str());
-            return res;
-        }
-
-        char buf[1024];
-        la.ptr = lora.get();
-        llama_adapter_meta_val_str(la.ptr, "adapter.lora.task_name", buf, sizeof(buf));
-        la.task_name = buf;
-        llama_adapter_meta_val_str(la.ptr, "adapter.lora.prompt_prefix", buf, sizeof(buf));
-        la.prompt_prefix = buf;
-        res->lora().emplace_back(std::move(lora)); // copy to list of loaded adapters
-    }
-
    if (!params.lora_init_without_apply) {
        common_set_adapter_lora(lctx, params.lora_adapters);
    }
@@ -1303,6 +1320,9 @@ common_init_result_ptr common_init_from_params(common_params & params) {
        llama_synchronize(lctx);
        llama_perf_context_reset(lctx);
        llama_set_warmup(lctx, false);
+
+        // reset samplers to reset RNG state after warmup to the seeded state
+        res->reset_samplers();
    }

    return res;
@@ -216,6 +216,8 @@ struct common_params_sampling {
    std::vector<llama_logit_bias> logit_bias;     // logit biases to apply
    std::vector<llama_logit_bias> logit_bias_eog; // pre-calculated logit biases for EOG tokens

+    bool backend_sampling = false;
+
    bool has_logit_bias() const {
        return !logit_bias.empty();
    }
@@ -689,7 +691,9 @@ struct common_init_result {

    llama_model * model();
    llama_context * context();
+
    common_sampler * sampler(llama_seq_id seq_id);
+    void reset_samplers();

    std::vector<llama_adapter_lora_ptr> & lora();

@@ -106,12 +106,16 @@ static void llama_sampler_llg_free(llama_sampler * smpl) {
 }

 static llama_sampler_i llama_sampler_llg_i = {
-    /* .name   = */ llama_sampler_llg_name,
-    /* .accept = */ llama_sampler_llg_accept_impl,
-    /* .apply  = */ llama_sampler_llg_apply,
-    /* .reset  = */ llama_sampler_llg_reset,
-    /* .clone  = */ llama_sampler_llg_clone,
-    /* .free   = */ llama_sampler_llg_free,
+    /* .name              = */ llama_sampler_llg_name,
+    /* .accept            = */ llama_sampler_llg_accept_impl,
+    /* .apply             = */ llama_sampler_llg_apply,
+    /* .reset             = */ llama_sampler_llg_reset,
+    /* .clone             = */ llama_sampler_llg_clone,
+    /* .free              = */ llama_sampler_llg_free,
+    /* .backend_init      = */ NULL,
+    /* .backend_accept    = */ NULL,
+    /* .backend_apply     = */ NULL,
+    /* .backend_set_input = */ NULL,
 };

 static size_t llama_sampler_llg_tokenize_fn(const void * user_data, const uint8_t * bytes, size_t bytes_len,
@@ -27,7 +27,7 @@ common_regex_match common_regex::search(const std::string & input, size_t pos, b
        return res;
    }
    std::match_results<std::string::const_reverse_iterator> srmatch;
-    if (std::regex_match(input.rbegin(), input.rend() - pos, srmatch, rx_reversed_partial)) {
+    if (std::regex_search(input.rbegin(), input.rend() - pos, srmatch, rx_reversed_partial, std::regex_constants::match_continuous)) {
        auto group = srmatch[1].str();
        if (group.length() != 0) {
            auto it = srmatch[1].second.base();
@@ -55,18 +55,18 @@ common_regex_match common_regex::search(const std::string & input, size_t pos, b
  to see if a string ends with a partial regex match, but but it's not in std::regex yet.
  Instead, we'll the regex into a partial match regex operating as a full match on the reverse iterators of the input.

-  - /abcd/ -> (dcba|cba|ba|a).* -> ((?:(?:(?:(?:d)?c)?b)?a).*
-  - /a|b/ -> (a|b).*
+  - /abcd/ -> ^(dcba|cba|ba|a) -> ^((?:(?:(?:(?:d)?c)?b)?a)
+  - /a|b/ -> ^(a|b)
  - /a*?/ -> error, could match ""
-  - /a*b/ -> ((?:b)?a*+).* (final repetitions become eager)
-  - /.*?ab/ -> ((?:b)?a).* (merge .*)
-  - /a.*?b/ -> ((?:b)?.*?a).* (keep reluctant matches)
-  - /a(bc)d/ -> ((?:(?:d)?(?:(?:c)?b))?a).*
-  - /a(bc|de)/ -> ((?:(?:(?:e)?d)?|(?:(?:c)?b)?)?a).*
-  - /ab{2,4}c/ -> abbb?b?c -> ((?:(?:(?:(?:(?:c)?b)?b)?b?)?b?)?a).*
+  - /a*b/ -> ^((?:b)?a*+) (final repetitions become eager)
+  - /.*?ab/ -> ^((?:b)?a) (omit .*)
+  - /a.*?b/ -> ^((?:b)?.*?a) (keep reluctant matches)
+  - /a(bc)d/ -> ^((?:(?:d)?(?:(?:c)?b))?a)
+  - /a(bc|de)/ -> ^((?:(?:(?:e)?d)?|(?:(?:c)?b)?)?a)
+  - /ab{2,4}c/ -> ^cbbb?b?a -> ^((?:(?:(?:(?:(?:c)?b)?b)?b?)?b?)?a)

-  The regex will match a reversed string fully, and the end of the first (And only) capturing group will indicate the reversed start of the original partial pattern
-  (i.e. just where the final .* starts in the inverted pattern; all other groups are turned into non-capturing groups, and reluctant quantifiers are ignored)
+  The regex will match a reversed string fully, and the end of the first (And only) capturing group will indicate the reversed start of the original partial pattern.
+  All other groups are turned into non-capturing groups, and reluctant quantifiers are ignored.
 */
 std::string regex_to_reversed_partial_regex(const std::string & pattern) {
    auto it = pattern.begin();
@@ -177,7 +177,7 @@ std::string regex_to_reversed_partial_regex(const std::string & pattern) {
            }
        }

-        // /abcd/ -> (dcba|cba|ba|a).* -> ((?:(?:(?:d)?c)?b)?a).*
+        // /abcd/ -> ^(dcba|cba|ba|a) -> ^((?:(?:(?:d)?c)?b)?a)
        // if n(=4) parts, opening n-1(=3) non-capturing groups after the 1 capturing group
        // We'll do the outermost capturing group and final .* in the enclosing function.
        std::vector<std::string> res_alts;
@@ -200,5 +200,5 @@ std::string regex_to_reversed_partial_regex(const std::string & pattern) {
        throw std::runtime_error("Unmatched '(' in pattern");
    }

-    return "(" + res + ")[\\s\\S]*";
+    return "^(" + res + ")";
 }
@@ -120,17 +120,34 @@ struct common_sampler {
    }

    void set_logits(struct llama_context * ctx, int idx) {
-        const auto * logits = llama_get_logits_ith(ctx, idx);
+        const float *       sampled_probs  = llama_get_sampled_probs_ith     (ctx, idx);
+        const float *       sampled_logits = llama_get_sampled_logits_ith    (ctx, idx);
+        const llama_token * sampled_ids    = llama_get_sampled_candidates_ith(ctx, idx);

        const llama_model * model = llama_get_model(ctx);
        const llama_vocab * vocab = llama_model_get_vocab(model);

        const int n_vocab = llama_vocab_n_tokens(vocab);

-        cur.resize(n_vocab);
-
-        for (llama_token token_id = 0; token_id < n_vocab; token_id++) {
-            cur[token_id] = llama_token_data{token_id, logits[token_id], 0.0f};
+        if (sampled_probs) {
+            const uint32_t sampled_probs_count = llama_get_sampled_probs_count_ith(ctx, idx);
+            cur.resize(sampled_probs_count);
+            for (uint32_t i = 0; i < sampled_probs_count; ++i) {
+                cur[i] = llama_token_data{sampled_ids[i], sampled_logits[i], sampled_probs[i]};
+            }
+        } else if (sampled_logits) {
+            const uint32_t sampled_logits_count = llama_get_sampled_logits_count_ith(ctx, idx);
+            cur.resize(sampled_logits_count);
+            for (uint32_t i = 0; i < sampled_logits_count; i++) {
+                cur[i] = llama_token_data{sampled_ids[i], sampled_logits[i], 0.0f};
+            }
+        } else {
+            const auto * logits = llama_get_logits_ith(ctx, idx);
+            GGML_ASSERT(logits != nullptr);
+            cur.resize(n_vocab);
+            for (llama_token token_id = 0; token_id < n_vocab; token_id++) {
+                cur[token_id] = llama_token_data{token_id, logits[token_id], 0.0f};
+            }
        }

        cur_p = { cur.data(), cur.size(), -1, false };
@@ -159,7 +176,7 @@ std::string common_params_sampling::print() const {
    return std::string(result);
 }

-struct common_sampler * common_sampler_init(const struct llama_model * model, const struct common_params_sampling & params) {
+struct common_sampler * common_sampler_init(const struct llama_model * model, struct common_params_sampling & params) {
    const llama_vocab * vocab = llama_model_get_vocab(model);

    llama_sampler_chain_params lparams = llama_sampler_chain_default_params();
@@ -179,24 +196,30 @@ struct common_sampler * common_sampler_init(const struct llama_model * model, co
 #endif // LLAMA_USE_LLGUIDANCE
    } else {
        std::vector<std::string> trigger_patterns;
-        std::vector<std::string> patterns_anywhere;
        std::vector<llama_token> trigger_tokens;
        for (const auto & trigger : params.grammar_triggers) {
            switch (trigger.type) {
                case COMMON_GRAMMAR_TRIGGER_TYPE_WORD:
                {
                    const auto & word = trigger.value;
-                    patterns_anywhere.push_back(regex_escape(word));
+                    trigger_patterns.push_back(regex_escape(word));
                    break;
                }
                case COMMON_GRAMMAR_TRIGGER_TYPE_PATTERN:
                {
-                    patterns_anywhere.push_back(trigger.value);
+                    trigger_patterns.push_back(trigger.value);
                    break;
                }
                case COMMON_GRAMMAR_TRIGGER_TYPE_PATTERN_FULL:
                {
-                    trigger_patterns.push_back(trigger.value);
+                    const auto & pattern = trigger.value;
+                    std::string anchored = "^$";
+                    if (!pattern.empty()) {
+                        anchored = (pattern.front() != '^' ? "^" : "")
+                            + pattern
+                            + (pattern.back() != '$' ? "$" : "");
+                    }
+                    trigger_patterns.push_back(anchored);
                    break;
                }
                case COMMON_GRAMMAR_TRIGGER_TYPE_TOKEN:
@@ -210,10 +233,6 @@ struct common_sampler * common_sampler_init(const struct llama_model * model, co
            }
        }

-        if (!patterns_anywhere.empty()) {
-            trigger_patterns.push_back("^[\\s\\S]*?(" + string_join(patterns_anywhere, "|") + ")[\\s\\S]*");
-        }
-
        std::vector<const char *> trigger_patterns_c;
        trigger_patterns_c.reserve(trigger_patterns.size());
        for (const auto & regex : trigger_patterns) {
@@ -296,6 +315,12 @@ struct common_sampler * common_sampler_init(const struct llama_model * model, co
        llama_sampler_chain_add(chain, smpl);
    }

+    if (grmr && params.backend_sampling) {
+        LOG_WRN("%s: backend sampling is not compatible with grammar, disabling\n", __func__);
+
+        params.backend_sampling = false;
+    }
+
    auto * result = new common_sampler {
        /* .params  = */ params,
        /* .grmr    = */ grmr,
@@ -405,6 +430,25 @@ llama_token common_sampler_sample(struct common_sampler * gsmpl, struct llama_co
    auto & chain = gsmpl->chain;
    auto & cur_p = gsmpl->cur_p; // initialized by set_logits

+    // Check if a backend sampler has already sampled a token in which case we
+    // return that token id directly.
+    {
+        id = llama_get_sampled_token_ith(ctx, idx);
+
+        if (id != LLAMA_TOKEN_NULL) {
+            LOG_DBG("%s: Backend sampler selected token: '%d'. Will not run any CPU samplers\n", __func__, id);
+
+            GGML_ASSERT(!gsmpl->grmr && "using grammar in combination with backend sampling is not supported");
+
+            // TODO: simplify
+            gsmpl->cur.resize(1);
+            gsmpl->cur[0] = { id, 0.0f, 1.0f };
+            cur_p = { gsmpl->cur.data(), gsmpl->cur.size(), 0, true };
+
+            return id;
+        }
+    }
+
    gsmpl->set_logits(ctx, idx);

    if (grammar_first) {
@@ -36,7 +36,8 @@ struct common_sampler;

 // llama_sampler API overloads

-struct common_sampler * common_sampler_init(const struct llama_model * model, const struct common_params_sampling & params);
+// note: can mutate params in some cases
+struct common_sampler * common_sampler_init(const struct llama_model * model, struct common_params_sampling & params);

 void common_sampler_free(struct common_sampler * gsmpl);

@@ -48,6 +49,7 @@ struct common_sampler * common_sampler_clone (struct common_sampler * gsmpl);
 // arguments can be nullptr to skip printing
 void common_perf_print(const struct llama_context * ctx, const struct common_sampler * gsmpl);

+// get the underlying llama_sampler_chain
 struct llama_sampler * common_sampler_get(const struct common_sampler * gsmpl);

 // extended sampling implementation:
@@ -771,9 +771,14 @@ class TextModel(ModelBase):

        self.rope_parameters = self.hparams.get("rope_parameters", self.hparams.get("rope_scaling")) or {}

+        rope_theta = self.find_hparam(["rope_theta", "global_rope_theta", "rotary_emb_base"], optional=True)
+        local_rope_theta = self.find_hparam(["local_rope_theta", "rope_local_theta", "swa_rope_theta", "rope_local_base_freq"], optional=True)
+
        # Ensure "rope_theta" and "rope_type" is mirrored in rope_parameters
        if "full_attention" not in self.rope_parameters and "sliding_attention" not in self.rope_parameters:
-            if "rope_theta" not in self.rope_parameters and (rope_theta := self.find_hparam(["rope_theta", "global_rope_theta", "rotary_emb_base"], optional=True)) is not None:
+            if local_rope_theta is not None:
+                self.rope_parameters["sliding_attention"] = {"rope_theta": local_rope_theta}
+            if "rope_theta" not in self.rope_parameters and rope_theta is not None:
                self.rope_parameters["rope_theta"] = rope_theta
            if "rope_type" not in self.rope_parameters and (rope_type := self.rope_parameters.get("type")) is not None:
                self.rope_parameters["rope_type"] = rope_type
@@ -839,6 +844,7 @@ class TextModel(ModelBase):
            self.gguf_writer.add_head_count_kv(n_head_kv)
            logger.info(f"gguf: key-value head count = {n_head_kv}")

+        # TODO: Handle "sliding_attention" similarly when models start implementing it
        rope_params = self.rope_parameters.get("full_attention", self.rope_parameters)
        if (rope_type := rope_params.get("rope_type")) is not None:
            rope_factor = rope_params.get("factor")
@@ -885,6 +891,9 @@ class TextModel(ModelBase):
        if (rope_theta := rope_params.get("rope_theta")) is not None:
            self.gguf_writer.add_rope_freq_base(rope_theta)
            logger.info(f"gguf: rope theta = {rope_theta}")
+        if (local_rope_theta := self.rope_parameters.get("sliding_attention", {}).get("rope_theta")) is not None:
+            self.gguf_writer.add_rope_freq_base_swa(local_rope_theta)
+            logger.info(f"gguf: rope theta swa = {local_rope_theta}")
        if (f_rms_eps := self.find_hparam(["rms_norm_eps", "norm_eps"], optional=True)) is not None:
            self.gguf_writer.add_layer_norm_rms_eps(f_rms_eps)
            logger.info(f"gguf: rms norm epsilon = {f_rms_eps}")
@@ -1062,6 +1071,9 @@ class TextModel(ModelBase):
        if chkhsh == "66b8d4e19ab16c3bfd89bce5d785fb7e0155e8648708a1f42077cb9fe002c273":
            # ref: https://huggingface.co/alvarobartt/grok-2-tokenizer
            res = "grok-2"
+        if chkhsh == "b3d1dd861f1d4c5c0d2569ce36baf3f90fe8a102db3de50dd71ff860d91be3df":
+            # ref: https://huggingface.co/aari1995/German_Semantic_V3
+            res = "jina-v2-de"
        if chkhsh == "0ef9807a4087ebef797fc749390439009c3b9eda9ad1a097abbe738f486c01e5":
            # ref: https://huggingface.co/meta-llama/Meta-Llama-3-8B
            res = "llama-bpe"
@@ -1230,6 +1242,12 @@ class TextModel(ModelBase):
        if chkhsh == "4a2e2abae11ca2b86d570fc5b44be4d5eb5e72cc8f22dd136a94b37da83ab665":
            # ref: https://huggingface.co/KORMo-Team/KORMo-tokenizer
            res = "kormo"
+        if chkhsh == "9d70134b369a70e5735009b6de918f7581b5211f7c074d1f89f753aea8248af1":
+            # ref: https://huggingface.co/tencent/Youtu-LLM-2B
+            res = "youtu"
+        if chkhsh == "16389f0a1f51ee53e562ffd51c371dc508639ab0e4261502071836e50e223e91":
+            # ref: https://huggingface.co/upstage/Solar-Open-100B
+            res = "solar-open"

        if res is None:
            logger.warning("\n")
@@ -2486,6 +2504,7 @@ class StableLMModel(TextModel):
    "VLlama3ForCausalLM",
    "LlavaForConditionalGeneration",
    "VoxtralForConditionalGeneration",
+    "IQuestCoderForCausalLM",
    "LlamaModel")
 class LlamaModel(TextModel):
    model_arch = gguf.MODEL_ARCH.LLAMA
@@ -3503,7 +3522,7 @@ class QwenModel(TextModel):
        self._set_vocab_qwen()


-@ModelBase.register("Qwen2Model", "Qwen2ForCausalLM", "Qwen2AudioForConditionalGeneration", "KORMoForCausalLM")
+@ModelBase.register("Qwen2Model", "Qwen2ForCausalLM", "Qwen2AudioForConditionalGeneration", "KORMoForCausalLM", "AudioFlamingo3ForConditionalGeneration")
 class Qwen2Model(TextModel):
    model_arch = gguf.MODEL_ARCH.QWEN2

@@ -4994,7 +5013,6 @@ class Plamo3Model(TextModel):
        if (sliding_window := self.find_hparam(["window_size", "sliding_window"], optional=True)) is not None:
            self.gguf_writer.add_sliding_window(sliding_window)
            self.gguf_writer.add_sliding_window_pattern(self.hparams["sliding_window_pattern"])
-            self.gguf_writer.add_rope_freq_base_swa(self.rope_parameters.get("sliding_attention", {"rope_theta": self.hparams.get("rope_local_theta")})["rope_theta"])

    def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]:

@@ -5284,13 +5302,14 @@ class BertModel(TextModel):
        self.gguf_writer.add_token_type_count(self.hparams.get("type_vocab_size", 1))

        # convert to phantom space vocab
-        def phantom(tok):
-            if tok.startswith("[") and tok.endswith("]"):
+        def phantom(tok, toktype):
+            if toktype == gguf.TokenType.CONTROL:
                return tok
            if tok.startswith("##"):
                return tok[2:]
            return "\u2581" + tok
-        tokens = list(map(phantom, tokens))
+        assert len(tokens) == len(toktypes)
+        tokens = list(map(phantom, tokens, toktypes))

        # add vocab to gguf
        self.gguf_writer.add_tokenizer_model("bert")
@@ -6404,6 +6423,17 @@ class ARwkv7Model(Rwkv7Model):
        self.gguf_writer.add_head_count(0)


+@ModelBase.register("MaincoderForCausalLM")
+class MaincoderModel(TextModel):
+    model_arch = gguf.MODEL_ARCH.MAINCODER
+
+    def set_gguf_parameters(self):
+        super().set_gguf_parameters()
+
+        if (head_dim := self.hparams.get("head_dim")) is not None:
+            self.gguf_writer.add_rope_dimension_count(head_dim)
+
+
@ModelBase.register("MambaForCausalLM", "MambaLMHeadModel", "FalconMambaForCausalLM")
 class MambaModel(TextModel):
    model_arch = gguf.MODEL_ARCH.MAMBA
@@ -7181,6 +7211,8 @@ class DeepseekModel(TextModel):
    "DeepseekV2ForCausalLM",
    "DeepseekV3ForCausalLM",
    "KimiVLForConditionalGeneration",
+    "YoutuForCausalLM",
+    "YoutuVLForConditionalGeneration"
 )
 class DeepseekV2Model(TextModel):
    model_arch = gguf.MODEL_ARCH.DEEPSEEK2
@@ -7247,7 +7279,15 @@ class DeepseekV2Model(TextModel):
        super().set_gguf_parameters()
        hparams = self.hparams

-        self.gguf_writer.add_leading_dense_block_count(hparams["first_k_dense_replace"])
+        # first_k_dense_replace: number of leading layers using dense FFN instead of MoE
+        # For non-MoE models (like Youtu), set to n_layer to use dense FFN for all layers
+        # For MoE models (like DeepSeek-V2), this is the number of leading non-MoE layers
+        has_moe = hparams.get("n_routed_experts") is not None
+        first_k_dense_replace = hparams.get("first_k_dense_replace")
+        if first_k_dense_replace is None:
+            # Default: if no MoE, all layers are dense; if MoE, none are dense
+            first_k_dense_replace = hparams["num_hidden_layers"] if not has_moe else 0
+        self.gguf_writer.add_leading_dense_block_count(first_k_dense_replace)
        self.gguf_writer.add_vocab_size(hparams["vocab_size"])
        if "q_lora_rank" in hparams and hparams["q_lora_rank"] is not None:
            self.gguf_writer.add_q_lora_rank(hparams["q_lora_rank"])
@@ -7259,11 +7299,24 @@ class DeepseekV2Model(TextModel):
        self.gguf_writer.add_key_length_mla(hparams["qk_nope_head_dim"] + hparams["qk_rope_head_dim"])
        self.gguf_writer.add_value_length_mla(hparams["v_head_dim"])

-        self.gguf_writer.add_expert_feed_forward_length(hparams["moe_intermediate_size"])
-        self.gguf_writer.add_expert_count(hparams["n_routed_experts"])
-        self.gguf_writer.add_expert_shared_count(hparams["n_shared_experts"])
-        self.gguf_writer.add_expert_weights_scale(hparams["routed_scaling_factor"])
-        self.gguf_writer.add_expert_weights_norm(hparams["norm_topk_prob"])
+        # MoE parameters (required by C++ code for DEEPSEEK2 arch)
+        # For non-MoE models like Youtu, use intermediate_size as expert_feed_forward_length
+        moe_intermediate_size = self.find_hparam(["moe_intermediate_size", "intermediate_size"], optional=False)
+        self.gguf_writer.add_expert_feed_forward_length(moe_intermediate_size)
+
+        if (n_routed_experts := hparams.get("n_routed_experts")) is not None:
+            self.gguf_writer.add_expert_count(n_routed_experts)
+
+        # expert_shared_count is required by C++ code, default to 0 for non-MoE models
+        n_shared_experts = hparams.get("n_shared_experts", 0)
+        self.gguf_writer.add_expert_shared_count(n_shared_experts)
+
+        # When not set, C++ code will use scale_w = false to skip the no-op scaling
+        if (routed_scaling_factor := hparams.get("routed_scaling_factor")) is not None:
+            self.gguf_writer.add_expert_weights_scale(routed_scaling_factor)
+
+        if (norm_topk_prob := hparams.get("norm_topk_prob")) is not None and norm_topk_prob:
+            self.gguf_writer.add_expert_weights_norm(norm_topk_prob)

        self.gguf_writer.add_rope_dimension_count(hparams["qk_rope_head_dim"])

@@ -7279,10 +7332,17 @@ class DeepseekV2Model(TextModel):
        # skip vision tensors and remove "language_model." for Kimi-VL
        if "vision_tower" in name or "multi_modal_projector" in name:
            return []
-
+        if name.startswith("siglip2.") or name.startswith("merger."):
+            return []
        if name.startswith("language_model."):
            name = name.replace("language_model.", "")

+        # skip lm_head.weight if tie_word_embeddings is True
+        if self.hparams.get("tie_word_embeddings", False):
+            if name == "lm_head.weight" or name == "model.lm_head.weight":
+                logger.info("Skipping tied output layer 'lm_head.weight' (will use token_embd.weight)")
+                return []
+
        # rename e_score_correction_bias tensors
        if name.endswith("e_score_correction_bias"):
            name = name.replace("e_score_correction_bias", "e_score_correction.bias")
@@ -7429,7 +7489,6 @@ class MimoV2Model(TextModel):

        self.gguf_writer.add_sliding_window(self.hparams["sliding_window"])
        self.gguf_writer.add_sliding_window_pattern(self.hparams["hybrid_layer_pattern"])
-        self.gguf_writer.add_rope_freq_base_swa(self.hparams["swa_rope_theta"])
        self.gguf_writer.add_value_length(self.hparams["v_head_dim"])
        self.gguf_writer.add_expert_count(self.hparams["n_routed_experts"])
        self.gguf_writer.add_expert_feed_forward_length(self.hparams["moe_intermediate_size"])
@@ -9292,6 +9351,19 @@ class VoxtralWhisperEncoderModel(WhisperEncoderModel):
        self.gguf_writer.add_audio_stack_factor(4) # == intermediate_size // hidden_size


+@ModelBase.register("AudioFlamingo3ForConditionalGeneration")
+class AudioFlamingo3WhisperEncoderModel(WhisperEncoderModel):
+    def set_gguf_parameters(self):
+        super().set_gguf_parameters()
+        self.gguf_writer.add_clip_projector_type(gguf.VisionProjectorType.MUSIC_FLAMINGO)
+
+    def tensor_force_quant(self, name, new_name, bid, n_dims):
+        if ".conv" in name and ".weight" in name:
+            # Was trained in BF16, being safe, avoiding quantizing to FP16
+            return gguf.GGMLQuantizationType.F32
+        return super().tensor_force_quant(name, new_name, bid, n_dims)
+
+
@ModelBase.register("FalconH1ForCausalLM")
 class FalconH1Model(Mamba2Model):
    model_arch = gguf.MODEL_ARCH.FALCON_H1
@@ -9884,6 +9956,27 @@ class LFM2Model(TextModel):
        return any(p in name for p in ["audio", "codebook", "conformer", "depth_embedding", "depthformer", "depth_linear"])


+@ModelBase.register("Lfm2Model")
+class LFM2ColBertModel(LFM2Model):
+    model_arch = gguf.MODEL_ARCH.LFM2
+    dense_tensor_name = "dense_2"
+
+    def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]:
+        if not name.startswith(self.dense_tensor_name):
+            name = "model." + name
+
+        return super().modify_tensors(data_torch, name, bid)
+
+    def generate_extra_tensors(self) -> Iterable[tuple[str, Tensor]]:
+        # dense tensor is stored in a separate safetensors file
+        from safetensors.torch import load_file
+        tensors_file = self.dir_model / "1_Dense" / "model.safetensors"
+        assert tensors_file.is_file()
+        tensor = load_file(tensors_file)["linear.weight"]
+        self.gguf_writer.add_embedding_length_out(tensor.shape[0])
+        yield f"{self.dense_tensor_name}.weight", tensor.clone()
+
+
@ModelBase.register("Lfm2MoeForCausalLM")
 class LFM2MoeModel(TextModel):
    model_arch = gguf.MODEL_ARCH.LFM2MOE
@@ -10154,7 +10247,6 @@ class ModernBertModel(BertModel):
        self.gguf_writer.add_sliding_window(self.hparams["local_attention"])
        if (sliding_window_pattern := self.hparams.get("global_attn_every_n_layers")) is not None:
            self.gguf_writer.add_sliding_window_pattern(sliding_window_pattern)
-        self.gguf_writer.add_rope_freq_base_swa(self.rope_parameters.get("sliding_attention", {"rope_theta": self.hparams.get("local_rope_theta")})["rope_theta"])
        self.gguf_writer.add_rope_scaling_type(gguf.RopeScalingType.NONE)
        self.gguf_writer.add_vocab_size(self.hparams["vocab_size"])

@@ -10604,6 +10696,79 @@ class JanusProVisionModel(MmprojModel):
        return []


+@ModelBase.register("YoutuVLForConditionalGeneration")
+class YoutuVLVisionModel(MmprojModel):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        assert self.hparams_vision is not None
+        self.hparams_vision["image_size"] = self.hparams_vision.get("image_size", 560)
+
+    def set_gguf_parameters(self):
+        super().set_gguf_parameters()
+
+        self.gguf_writer.add_clip_projector_type(gguf.VisionProjectorType.YOUTUVL)
+        self.gguf_writer.add_vision_attention_layernorm_eps(self.hparams.get("layer_norm_eps", 1e-6))
+
+        # Handle activation function
+        hidden_act = str(self.hparams.get("hidden_act", "gelu_pytorch_tanh")).lower()
+        if hidden_act in ("gelu", "gelu_pytorch_tanh", "gelu_fast", "gelu_new", "gelu_accurate"):
+            self.gguf_writer.add_vision_use_gelu(True)
+        elif hidden_act == "silu":
+            self.gguf_writer.add_vision_use_silu(True)
+        else:
+            raise ValueError(f"Unsupported activation function for YOUTUVL: {hidden_act}")
+
+        self.gguf_writer.add_vision_spatial_merge_size(self.hparams.get("spatial_merge_size", 2))
+
+        window_size = self.hparams.get("window_size")
+        if window_size is not None:
+            self.gguf_writer.add_vision_window_size(window_size)
+        # fullatt_block_indexes contains explicit layer indices that use full attention
+        # e.g., [2, 5, 8, 11] means layers 2, 5, 8, 11 use full attention
+        # All other layers use window attention
+        fullatt_block_indexes = self.hparams.get("fullatt_block_indexes")
+        assert fullatt_block_indexes is not None, "fullatt_block_indexes is required for youtuvl"
+        # Store the explicit layer indices for YoutuVL (irregular pattern approach)
+        self.gguf_writer.add_vision_wa_layer_indexes(layers=fullatt_block_indexes)
+
+    def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]:
+        del bid  # unused
+
+        # Skip language model tensors
+        skip_prefixes = ('lm_head.', 'model.layers.', 'model.embed_tokens.', 'model.norm.')
+        if name.startswith(skip_prefixes):
+            return []
+
+        # Try to map the tensor using TensorNameMap (handles vision encoder and projector)
+        try:
+            new_name = self.map_tensor_name(name)
+            return [(new_name, data_torch)]
+        except ValueError:
+            # If mapping fails, log warning and skip
+            logger.warning(f"Cannot map tensor: {name}")
+            return []
+
+
+@ModelBase.register("SolarOpenForCausalLM")
+class SolarOpenModel(Glm4MoeModel):
+    model_arch = gguf.MODEL_ARCH.GLM4_MOE
+
+    def set_vocab(self):
+        from transformers import AutoTokenizer
+        tokenizer = AutoTokenizer.from_pretrained(self.dir_model)
+        special_vocab = gguf.SpecialVocab(self.dir_model, load_merges=True)
+        tokens, toktypes, tokpre = self.get_vocab_base()
+        self.gguf_writer.add_tokenizer_model("gpt2")
+        self.gguf_writer.add_tokenizer_pre(tokpre)
+        self.gguf_writer.add_token_list(tokens)
+        self.gguf_writer.add_token_types(toktypes)
+        special_vocab._set_special_token("eos", tokenizer.get_added_vocab()["<|endoftext|>"])
+        special_vocab._set_special_token("eot", tokenizer.get_added_vocab()["<|endoftext|>"])
+        special_vocab._set_special_token("unk", tokenizer.get_added_vocab()["<unk>"])
+        special_vocab._set_special_token("bos", tokenizer.get_added_vocab()["<|startoftext|>"])
+        special_vocab.add_to_gguf(self.gguf_writer)
+
+
 ###### CONVERSION LOGIC ######


@@ -145,6 +145,8 @@ models = [
    {"name": "granite-docling",  "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/ibm-granite/granite-docling-258M", },
    {"name": "minimax-m2",       "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/MiniMaxAI/MiniMax-M2", },
    {"name": "kormo",            "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/KORMo-Team/KORMo-tokenizer", },
+    {"name": "youtu",            "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/tencent/Youtu-LLM-2B", },
+    {"name": "solar-open",       "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/upstage/Solar-Open-100B", },
 ]

 # some models are known to be broken upstream, so we will skip them as exceptions
@@ -165,6 +167,8 @@ pre_computed_hashes = [
    {"name": "kimi-k2",   "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/moonshotai/Kimi-K2-Base",   "chkhsh": "81212dc7cdb7e0c1074ca62c5aeab0d43c9f52b8a737be7b12a777c953027890"},
    {"name": "qwen2",     "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/Qwen/Qwen3-Embedding-0.6B", "chkhsh": "d4540891389ea895b53b399da6ac824becc30f2fba0e9ddbb98f92e55ca0e97c"},
    {"name": "grok-2",    "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/alvarobartt/grok-2-tokenizer", "chkhsh": "66b8d4e19ab16c3bfd89bce5d785fb7e0155e8648708a1f42077cb9fe002c273"},
+    # jina-v2-de variants
+    {"name": "jina-v2-de", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/aari1995/German_Semantic_V3", "chkhsh": "b3d1dd861f1d4c5c0d2569ce36baf3f90fe8a102db3de50dd71ff860d91be3df"},
 ]


@@ -327,3 +327,7 @@ Maximum number of compiled CANN graphs kept in the LRU cache, default is 12. Whe
 ### GGML_CANN_PREFILL_USE_GRAPH

 Enable ACL graph execution during the prefill stage, default is false. This option is only effective when FA is enabled.
+
+### GGML_CANN_OPERATOR_FUSION
+
+Enable operator fusion during computation, default is false. This option fuses compatible operators (e.g., ADD + RMS_NORM) to reduce overhead and improve performance.
@@ -218,6 +218,56 @@ cmake .. -G Ninja `
 ninja
 ```

+## Linux
+
+The two steps just above also apply to Linux. When building for linux, the commands are mostly the same as those for PowerShell on Windows, but in the second step they do not have the `-DCMAKE_TOOLCHAIN_FILE` parameter, and then in both steps the backticks are replaced with back slashes.
+
+If not installed already, install Git, CMake, Clang, Ninja and Python, then run in the terminal the following:
+
+### I. Setup Environment
+
+1. **Install OpenCL Headers and Library**
+
+```bash
+mkdir -p ~/dev/llm
+
+cd ~/dev/llm
+git clone https://github.com/KhronosGroup/OpenCL-Headers && cd OpenCL-Headers
+mkdir build && cd build
+cmake .. -G Ninja \
+  -DBUILD_TESTING=OFF \
+  -DOPENCL_HEADERS_BUILD_TESTING=OFF \
+  -DOPENCL_HEADERS_BUILD_CXX_TESTS=OFF \
+  -DCMAKE_INSTALL_PREFIX="$HOME/dev/llm/opencl"
+cmake --build . --target install
+
+cd ~/dev/llm
+git clone https://github.com/KhronosGroup/OpenCL-ICD-Loader && cd OpenCL-ICD-Loader
+mkdir build && cd build
+cmake .. -G Ninja \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_PREFIX_PATH="$HOME/dev/llm/opencl" \
+  -DCMAKE_INSTALL_PREFIX="$HOME/dev/llm/opencl"
+cmake --build . --target install
+```
+
+### II. Build llama.cpp
+
+```bash
+mkdir -p ~/dev/llm
+cd ~/dev/llm
+
+git clone https://github.com/ggml-org/llama.cpp && cd llama.cpp
+mkdir build && cd build
+
+cmake .. -G Ninja \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_PREFIX_PATH="$HOME/dev/llm/opencl" \
+  -DBUILD_SHARED_LIBS=OFF \
+  -DGGML_OPENCL=ON
+ninja
+```
+
 ## Known Issues

 - Flash attention does not always improve performance.
@@ -150,19 +150,38 @@ We also have a [guide](./backend/CUDA-FEDORA.md) for setting up CUDA toolkit in


 ### Compilation
+
+Make sure to read the notes about the CPU build for general instructions for e.g. speeding up the compilation.
+
 ```bash
 cmake -B build -DGGML_CUDA=ON
 cmake --build build --config Release
 ```

+### Non-Native Builds
+
+By default llama.cpp will be built for the hardware that is connected to the system at that time.
+For a build covering all CUDA GPUs, disable `GGML_NATIVE`:
+
+```bash
+cmake -B build -DGGML_CUDA=ON -DGGML_NATIVE=OFF
+```
+
+The resulting binary should run on all CUDA GPUs with optimal performance, though some just-in-time compilation may be required.
+
 ### Override Compute Capability Specifications

-If `nvcc` cannot detect your gpu, you may get compile-warnings such as:
+If `nvcc` cannot detect your gpu, you may get compile warnings such as:
 ```text
 nvcc warning : Cannot find valid GPU for '-arch=native', default arch is used
 ```

-To override the `native` GPU detection:
+One option is to do a non-native build as described above.
+However, this will result in a large binary that takes a long time to compile.
+Alternatively it is also possible to explicitly specify CUDA architectures.
+This may also make sense for a non-native build, for that one should look at the logic in `ggml/src/ggml-cuda/CMakeLists.txt` as a starting point.
+
+To override the default CUDA architectures:

 #### 1. Take note of the `Compute Capability` of your NVIDIA devices: ["CUDA: Your GPU Compute > Capability"](https://developer.nvidia.com/cuda-gpus).

@@ -22,7 +22,7 @@ Legend:
 |                           ARANGE | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ |
 |                           ARGMAX | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ |
 |                          ARGSORT | ❌ | ✅ | ✅ | ✅ | ✅ | 🟡 | 🟡 | ✅ | ❌ | ❌ | ❌ |
-|                             CEIL | ❌ | ❌ | ✅ | 🟡 | ❌ | ❌ | 🟡 | 🟡 | ❌ | ❌ | ❌ |
+|                             CEIL | ❌ | ❌ | ✅ | 🟡 | ❌ | ❌ | 🟡 | 🟡 | ✅ | ❌ | ❌ |
 |                            CLAMP | ❌ | ✅ | ✅ | ✅ | 🟡 | 🟡 | ✅ | 🟡 | ❌ | ❌ | ❌ |
 |                           CONCAT | ❌ | ✅ | ✅ | 🟡 | ✅ | 🟡 | ✅ | ✅ | ❌ | ❌ | ❌ |
 |                             CONT | ❌ | 🟡 | ✅ | ✅ | ✅ | 🟡 | 🟡 | ✅ | 🟡 | ❌ | ❌ |
@@ -32,7 +32,7 @@ Legend:
 |                CONV_TRANSPOSE_1D | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ |
 |                CONV_TRANSPOSE_2D | ❌ | ❌ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ |
 |                              COS | ❌ | ✅ | ✅ | ✅ | 🟡 | ❌ | ✅ | 🟡 | ❌ | ❌ | ❌ |
-|                      COUNT_EQUAL | ❌ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ |
+|                      COUNT_EQUAL | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ |
 |                              CPY | ❌ | 🟡 | 🟡 | 🟡 | 🟡 | 🟡 | 🟡 | 🟡 | 🟡 | ❌ | ❌ |
 |               CROSS_ENTROPY_LOSS | ❌ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 |          CROSS_ENTROPY_LOSS_BACK | ❌ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
@@ -965,6 +965,7 @@
 "Metal","IM2COL","type_input=f32,type_kernel=f16,dst_type=f16,ne_input=[12,12,1,2560],ne_kernel=[3,3,1,2560],s0=1,s1=1,p0=1,p1=1,d0=1,d1=1,is_2D=1","support","1","yes","Metal"
 "Metal","IM2COL","type_input=f32,type_kernel=f16,dst_type=f16,ne_input=[12,12,2,2560],ne_kernel=[3,3,2,2560],s0=1,s1=1,p0=1,p1=1,d0=1,d1=1,is_2D=1","support","1","yes","Metal"
 "Metal","IM2COL","type_input=f32,type_kernel=f16,dst_type=f16,ne_input=[5,5,1,32],ne_kernel=[3,4,1,32],s0=1,s1=1,p0=0,p1=0,d0=1,d1=1,is_2D=1","support","1","yes","Metal"
+"Metal","IM2COL","type_input=f32,type_kernel=f32,dst_type=f32,ne_input=[2,2,1536,729],ne_kernel=[2,2,1536,4096],s0=1,s1=1,p0=0,p1=0,d0=1,d1=1,is_2D=1","support","1","yes","Metal"
 "Metal","IM2COL_3D","type_input=f32,type_kernel=f32,dst_type=f32,ne_input=[10,10,10,9],ne_kernel=[3,3,3,1],IC=3,s0=1,s1=1,s2=1,p0=1,p1=1,p2=1,d0=1,d1=1,d2=1,v=0","support","0","no","Metal"
 "Metal","IM2COL_3D","type_input=f32,type_kernel=f16,dst_type=f32,ne_input=[10,10,10,9],ne_kernel=[3,3,3,1],IC=3,s0=1,s1=1,s2=1,p0=1,p1=1,p2=1,d0=1,d1=1,d2=1,v=0","support","0","no","Metal"
 "Metal","IM2COL_3D","type_input=f32,type_kernel=f16,dst_type=f16,ne_input=[10,10,10,9],ne_kernel=[3,3,3,1],IC=3,s0=1,s1=1,s2=1,p0=1,p1=1,p2=1,d0=1,d1=1,d2=1,v=0","support","0","no","Metal"
@@ -4964,8 +4965,9 @@
 "Metal","CONV_TRANSPOSE_1D","ne_input=[2,1,1,1],ne_kernel=[3,1,1,1],s0=1,p0=0,d0=1","support","1","yes","Metal"
 "Metal","CONV_TRANSPOSE_2D","ne_input=[3,2,3,1],ne_kernel=[2,2,1,3],stride=1","support","1","yes","Metal"
 "Metal","CONV_TRANSPOSE_2D","ne_input=[10,10,9,1],ne_kernel=[3,3,1,9],stride=2","support","1","yes","Metal"
-"Metal","COUNT_EQUAL","type=f32,ne=[4,500,1,1]","support","0","no","Metal"
-"Metal","COUNT_EQUAL","type=f32,ne=[4,5000,1,1]","support","0","no","Metal"
+"Metal","CONV_TRANSPOSE_2D","ne_input=[129,63,35,1],ne_kernel=[3,3,48,35],stride=1","support","1","yes","Metal"
+"Metal","COUNT_EQUAL","type=f32,ne=[4,500,1,1]","support","1","yes","Metal"
+"Metal","COUNT_EQUAL","type=f32,ne=[4,5000,1,1]","support","1","yes","Metal"
 "Metal","ARGMAX","type=f32,ne=[32,1,1,1]","support","1","yes","Metal"
 "Metal","ARGMAX","type=f32,ne=[32,513,1,1]","support","1","yes","Metal"
 "Metal","ARGMAX","type=f32,ne=[100,10,1,1]","support","1","yes","Metal"
@@ -5715,15 +5717,15 @@
 "Metal","L2_NORM","type=f32,ne=[64,5,4,3]","support","1","yes","Metal"
 "Metal","RMS_NORM","type=f32,ne=[64,5,4,3],v=0,eps=0.000001,inplace=1","support","1","yes","Metal"
 "Metal","L2_NORM","type=f32,ne=[64,5,4,3]","support","1","yes","Metal"
-"Metal","SSM_CONV","type=f32,ne_a=[4,1024,1,1],ne_b=[3,1024,1,1]","support","1","yes","Metal"
-"Metal","SSM_CONV","type=f32,ne_a=[8,1024,1,1],ne_b=[3,1024,1,1]","support","1","yes","Metal"
-"Metal","SSM_CONV","type=f32,ne_a=[4,1024,4,1],ne_b=[3,1024,1,1]","support","1","yes","Metal"
-"Metal","SSM_CONV","type=f32,ne_a=[4,1536,1,1],ne_b=[3,1536,1,1]","support","1","yes","Metal"
-"Metal","SSM_CONV","type=f32,ne_a=[8,1536,1,1],ne_b=[3,1536,1,1]","support","1","yes","Metal"
-"Metal","SSM_CONV","type=f32,ne_a=[4,1536,4,1],ne_b=[3,1536,1,1]","support","1","yes","Metal"
-"Metal","SSM_CONV","type=f32,ne_a=[4,2048,1,1],ne_b=[3,2048,1,1]","support","1","yes","Metal"
-"Metal","SSM_CONV","type=f32,ne_a=[8,2048,1,1],ne_b=[3,2048,1,1]","support","1","yes","Metal"
-"Metal","SSM_CONV","type=f32,ne_a=[4,2048,4,1],ne_b=[3,2048,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[3,1024,1,1],ne_b=[3,1024,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[6,1024,1,1],ne_b=[3,1024,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[3,1024,4,1],ne_b=[3,1024,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[3,1536,1,1],ne_b=[3,1536,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[6,1536,1,1],ne_b=[3,1536,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[3,1536,4,1],ne_b=[3,1536,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[3,2048,1,1],ne_b=[3,2048,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[6,2048,1,1],ne_b=[3,2048,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[3,2048,4,1],ne_b=[3,2048,1,1]","support","1","yes","Metal"
 "Metal","SSM_CONV","type=f32,ne_a=[4,1024,1,1],ne_b=[4,1024,1,1]","support","1","yes","Metal"
 "Metal","SSM_CONV","type=f32,ne_a=[8,1024,1,1],ne_b=[4,1024,1,1]","support","1","yes","Metal"
 "Metal","SSM_CONV","type=f32,ne_a=[4,1024,4,1],ne_b=[4,1024,1,1]","support","1","yes","Metal"
@@ -5733,6 +5735,15 @@
 "Metal","SSM_CONV","type=f32,ne_a=[4,2048,1,1],ne_b=[4,2048,1,1]","support","1","yes","Metal"
 "Metal","SSM_CONV","type=f32,ne_a=[8,2048,1,1],ne_b=[4,2048,1,1]","support","1","yes","Metal"
 "Metal","SSM_CONV","type=f32,ne_a=[4,2048,4,1],ne_b=[4,2048,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[9,1024,1,1],ne_b=[9,1024,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[18,1024,1,1],ne_b=[9,1024,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[9,1024,4,1],ne_b=[9,1024,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[9,1536,1,1],ne_b=[9,1536,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[18,1536,1,1],ne_b=[9,1536,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[9,1536,4,1],ne_b=[9,1536,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[9,2048,1,1],ne_b=[9,2048,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[18,2048,1,1],ne_b=[9,2048,1,1]","support","1","yes","Metal"
+"Metal","SSM_CONV","type=f32,ne_a=[9,2048,4,1],ne_b=[9,2048,1,1]","support","1","yes","Metal"
 "Metal","SSM_SCAN","type=f32,d_state=16,head_dim=1,n_head=1024,n_group=1,n_seq_tokens=32,n_seqs=4","support","1","yes","Metal"
 "Metal","SSM_SCAN","type=f32,d_state=128,head_dim=64,n_head=16,n_group=2,n_seq_tokens=32,n_seqs=4","support","1","yes","Metal"
 "Metal","SSM_SCAN","type=f32,d_state=256,head_dim=64,n_head=8,n_group=2,n_seq_tokens=32,n_seqs=4","support","1","yes","Metal"
@@ -8916,6 +8927,8 @@
 "Metal","SOFT_MAX","type=f32,ne=[32,2,32,1],mask=1,sinks=0,m_prec=f16,nr23=[1,1],scale=0.100000,max_bias=0.000000,inplace=0","support","1","yes","Metal"
 "Metal","SOFT_MAX","type=f32,ne=[32,2,32,1],mask=1,sinks=1,m_prec=f32,nr23=[1,1],scale=0.100000,max_bias=8.000000,inplace=0","support","1","yes","Metal"
 "Metal","SOFT_MAX","type=f32,ne=[32,2,32,1],mask=1,sinks=1,m_prec=f16,nr23=[1,1],scale=0.100000,max_bias=8.000000,inplace=0","support","1","yes","Metal"
+"Metal","SOFT_MAX","type=f32,ne=[200001,2,3,1],mask=1,sinks=1,m_prec=f32,nr23=[1,1],scale=0.100000,max_bias=8.000000,inplace=0","support","1","yes","Metal"
+"Metal","SOFT_MAX","type=f32,ne=[200001,2,3,1],mask=1,sinks=1,m_prec=f16,nr23=[1,1],scale=0.100000,max_bias=8.000000,inplace=0","support","1","yes","Metal"
 "Metal","SOFT_MAX_BACK","type=f32,ne=[16,16,1,1],scale=1.000000,max_bias=0.000000","support","0","no","Metal"
 "Metal","SOFT_MAX_BACK","type=f32,ne=[15,15,1,1],scale=1.000000,max_bias=0.000000","support","0","no","Metal"
 "Metal","SOFT_MAX_BACK","type=f32,ne=[16,16,2,3],scale=1.000000,max_bias=0.000000","support","0","no","Metal"
@@ -9542,311 +9555,311 @@
 "Metal","ARGSORT","type=f32,ne=[2048,2,1,3],order=1","support","1","yes","Metal"
 "Metal","ARGSORT","type=f32,ne=[2049,2,1,3],order=1","support","1","yes","Metal"
 "Metal","ARGSORT","type=f32,ne=[2,8,8192,1],order=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[12,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[13,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[13,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[15,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[15,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[15,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[19,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[19,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[19,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[19,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[27,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[27,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[27,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[27,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[27,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[43,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[43,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[43,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[43,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[43,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[64,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[75,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[64,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[75,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[64,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[75,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[64,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[75,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[64,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[75,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=100","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=500","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=1023","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=9999","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16,10,10,10],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[60,10,10,10],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1023,2,1,3],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,2,1,3],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1025,2,1,3],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2047,2,1,3],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,2,1,3],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2049,2,1,3],k=1","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16,10,10,10],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[60,10,10,10],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1023,2,1,3],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,2,1,3],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1025,2,1,3],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2047,2,1,3],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,2,1,3],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2049,2,1,3],k=2","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16,10,10,10],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[60,10,10,10],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1023,2,1,3],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,2,1,3],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1025,2,1,3],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2047,2,1,3],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,2,1,3],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2049,2,1,3],k=3","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16,10,10,10],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[60,10,10,10],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1023,2,1,3],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,2,1,3],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1025,2,1,3],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2047,2,1,3],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,2,1,3],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2049,2,1,3],k=7","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16,10,10,10],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[60,10,10,10],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1023,2,1,3],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1024,2,1,3],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[1025,2,1,3],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2047,2,1,3],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2048,2,1,3],k=15","support","1","yes","Metal"
-"Metal","TOP_K","type=f32,ne=[2049,2,1,3],k=15","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[12,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[13,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[13,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[15,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[15,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[15,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[19,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[19,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[19,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[19,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[27,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[27,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[27,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[27,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[27,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[43,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[43,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[43,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[43,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[43,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[64,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[75,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[64,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[75,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[64,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[75,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[64,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[75,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[64,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[75,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[128,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[139,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[256,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[267,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[512,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[523,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,1,1,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1035,1,2,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,1,1,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2059,1,2,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4096,1,1,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[4107,1,2,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8192,1,1,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[8203,1,2,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16395,1,2,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32768,1,1,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[32779,1,2,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65536,1,1,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[65547,1,2,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131072,1,1,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[131083,1,2,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262144,1,1,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[262155,1,2,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=100,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=500,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=1023,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524288,1,1,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[524299,1,2,1],k=9999,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16,10,10,10],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[60,10,10,10],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1023,2,1,3],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,2,1,3],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1025,2,1,3],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2047,2,1,3],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,2,1,3],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2049,2,1,3],k=1,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16,10,10,10],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[60,10,10,10],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1023,2,1,3],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,2,1,3],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1025,2,1,3],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2047,2,1,3],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,2,1,3],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2049,2,1,3],k=2,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16,10,10,10],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[60,10,10,10],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1023,2,1,3],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,2,1,3],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1025,2,1,3],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2047,2,1,3],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,2,1,3],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2049,2,1,3],k=3,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16,10,10,10],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[60,10,10,10],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1023,2,1,3],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,2,1,3],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1025,2,1,3],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2047,2,1,3],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,2,1,3],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2049,2,1,3],k=7,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16,10,10,10],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[60,10,10,10],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1023,2,1,3],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1024,2,1,3],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[1025,2,1,3],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[16384,1,1,1],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2047,2,1,3],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2048,2,1,3],k=15,ties=0","support","1","yes","Metal"
+"Metal","TOP_K","type=f32,ne=[2049,2,1,3],k=15,ties=0","support","1","yes","Metal"
 "Metal","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=nearest,transpose=0","support","1","yes","Metal"
 "Metal","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=nearest,transpose=1","support","1","yes","Metal"
 "Metal","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=nearest,flags=none","support","1","yes","Metal"
@@ -9891,8 +9904,9 @@
 "Metal","GROUP_NORM","type=f32,ne=[64,64,320,1],num_groups=32,eps=0.000001","support","1","yes","Metal"
 "Metal","GROUP_NORM","type=f32,ne=[9,9,1280,1],num_groups=32,eps=0.000001","support","1","yes","Metal"
 "Metal","ACC","type=f32,ne_a=[256,17,1,1],ne_b=[256,16,1,1]","support","1","yes","Metal"
-"Metal","PAD","type=f32,ne_a=[512,512,1,1],pad_0=1,pad_1=1","support","1","yes","Metal"
-"Metal","PAD","type=f32,ne_a=[512,512,3,1],lp0=1,rp0=1,lp1=1,rp1=1,lp2=1,rp2=1,lp3=1,rp3=1,v=0","support","0","no","Metal"
+"Metal","PAD","type=f32,ne_a=[512,512,1,1],pad_0=1,pad_1=1,circular=0","support","1","yes","Metal"
+"Metal","PAD","type=f32,ne_a=[33,17,2,1],pad_0=4,pad_1=3,circular=1","support","0","no","Metal"
+"Metal","PAD","type=f32,ne_a=[512,512,3,1],lp0=1,rp0=1,lp1=1,rp1=1,lp2=1,rp2=1,lp3=1,rp3=1,v=0,circular=0","support","0","no","Metal"
 "Metal","PAD_REFLECT_1D","type=f32,ne_a=[512,34,2,1],pad_0=10,pad_1=9","support","1","yes","Metal"
 "Metal","PAD_REFLECT_1D","type=f32,ne_a=[3000,384,4,1],pad_0=10,pad_1=9","support","1","yes","Metal"
 "Metal","ROLL","shift0=3,shift1=-2,shift3=1,shift4=-1","support","0","no","Metal"
@@ -9923,17 +9937,41 @@
 "Metal","FILL","type=f32,ne=[303,207,11,3],c=2.000000","support","1","yes","Metal"
 "Metal","FILL","type=f32,ne=[800,600,4,4],c=-152.000000","support","1","yes","Metal"
 "Metal","FILL","type=f32,ne=[2048,512,2,2],c=3.500000","support","1","yes","Metal"
+"Metal","DIAG","type=f32,ne=[10,1,4,3]","support","0","no","Metal"
+"Metal","DIAG","type=f32,ne=[79,1,19,13]","support","0","no","Metal"
+"Metal","DIAG","type=f32,ne=[256,1,8,16]","support","0","no","Metal"
 "Metal","SOLVE_TRI","type=f32,ne_lhs=[10,10,4,3],ne_rhs=[3,10,4,3]","support","0","no","Metal"
 "Metal","SOLVE_TRI","type=f32,ne_lhs=[11,11,1,1],ne_rhs=[5,11,1,1]","support","0","no","Metal"
 "Metal","SOLVE_TRI","type=f32,ne_lhs=[17,17,2,4],ne_rhs=[9,17,2,4]","support","0","no","Metal"
 "Metal","SOLVE_TRI","type=f32,ne_lhs=[30,30,7,1],ne_rhs=[8,30,7,1]","support","0","no","Metal"
 "Metal","SOLVE_TRI","type=f32,ne_lhs=[42,42,5,2],ne_rhs=[10,42,5,2]","support","0","no","Metal"
 "Metal","SOLVE_TRI","type=f32,ne_lhs=[64,64,2,2],ne_rhs=[10,64,2,2]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[64,64,2,2],ne_rhs=[64,64,2,2]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[79,79,5,3],ne_rhs=[417,79,5,3]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[128,128,4,2],ne_rhs=[32,128,4,2]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[80,80,2,8],ne_rhs=[80,80,2,8]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[80,80,2,8],ne_rhs=[79,80,2,8]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[80,80,2,8],ne_rhs=[81,80,2,8]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[80,80,8,8],ne_rhs=[80,80,8,8]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[80,80,8,8],ne_rhs=[79,80,8,8]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[80,80,8,8],ne_rhs=[81,80,8,8]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[84,84,4,4],ne_rhs=[32,84,4,4]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[95,95,8,8],ne_rhs=[40,95,8,8]","support","0","no","Metal"
 "Metal","SOLVE_TRI","type=f32,ne_lhs=[100,100,4,4],ne_rhs=[41,100,4,4]","support","0","no","Metal"
-"Metal","PAD","type=f32,ne_a=[512,512,1,1],lp0=0,rp0=1,lp1=0,rp1=1,lp2=0,rp2=0,lp3=0,rp3=0,v=0","support","1","yes","Metal"
-"Metal","PAD","type=f32,ne_a=[11,22,33,44],lp0=1,rp0=2,lp1=3,rp1=4,lp2=5,rp2=6,lp3=7,rp3=8,v=0","support","0","no","Metal"
-"Metal","PAD","type=f32,ne_a=[512,512,1,1],lp0=0,rp0=1,lp1=0,rp1=1,lp2=0,rp2=0,lp3=0,rp3=0,v=1","support","1","yes","Metal"
-"Metal","PAD","type=f32,ne_a=[11,22,33,44],lp0=1,rp0=2,lp1=3,rp1=4,lp2=5,rp2=6,lp3=7,rp3=8,v=1","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[128,128,4,4],ne_rhs=[31,128,4,4]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[128,128,4,4],ne_rhs=[32,128,4,4]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[128,128,3,4],ne_rhs=[32,128,3,4]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[128,128,4,1],ne_rhs=[32,128,4,1]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[64,64,4,4],ne_rhs=[200,64,4,4]","support","0","no","Metal"
+"Metal","SOLVE_TRI","type=f32,ne_lhs=[64,64,4,4],ne_rhs=[384,64,4,4]","support","0","no","Metal"
+"Metal","PAD","type=f32,ne_a=[512,512,1,1],lp0=0,rp0=1,lp1=0,rp1=1,lp2=0,rp2=0,lp3=0,rp3=0,v=0,circular=0","support","1","yes","Metal"
+"Metal","PAD","type=f32,ne_a=[11,22,33,44],lp0=1,rp0=2,lp1=3,rp1=4,lp2=5,rp2=6,lp3=7,rp3=8,v=0,circular=0","support","0","no","Metal"
+"Metal","PAD","type=f32,ne_a=[512,512,1,1],lp0=0,rp0=1,lp1=0,rp1=1,lp2=0,rp2=0,lp3=0,rp3=0,v=0,circular=1","support","0","no","Metal"
+"Metal","PAD","type=f32,ne_a=[11,22,33,44],lp0=1,rp0=2,lp1=3,rp1=4,lp2=5,rp2=6,lp3=7,rp3=8,v=0,circular=1","support","0","no","Metal"
+"Metal","PAD","type=f32,ne_a=[512,512,1,1],lp0=0,rp0=1,lp1=0,rp1=1,lp2=0,rp2=0,lp3=0,rp3=0,v=1,circular=0","support","1","yes","Metal"
+"Metal","PAD","type=f32,ne_a=[11,22,33,44],lp0=1,rp0=2,lp1=3,rp1=4,lp2=5,rp2=6,lp3=7,rp3=8,v=1,circular=0","support","0","no","Metal"
+"Metal","PAD","type=f32,ne_a=[512,512,1,1],lp0=0,rp0=1,lp1=0,rp1=1,lp2=0,rp2=0,lp3=0,rp3=0,v=1,circular=1","support","0","no","Metal"
+"Metal","PAD","type=f32,ne_a=[11,22,33,44],lp0=1,rp0=2,lp1=3,rp1=4,lp2=5,rp2=6,lp3=7,rp3=8,v=1,circular=1","support","0","no","Metal"
 "Metal","FLASH_ATTN_EXT","hsk=40,hsv=40,nh=4,nr23=[1,1],kv=113,nb=1,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f32,permute=[0,1,2,3]","support","1","yes","Metal"
 "Metal","FLASH_ATTN_EXT","hsk=40,hsv=40,nh=4,nr23=[1,1],kv=113,nb=1,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","1","yes","Metal"
 "Metal","FLASH_ATTN_EXT","hsk=40,hsv=40,nh=4,nr23=[1,1],kv=113,nb=1,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=bf16,permute=[0,1,2,3]","support","1","yes","Metal"
@@ -68,7 +68,7 @@ int main(int argc, char ** argv) {
    auto sparams = llama_sampler_chain_default_params();
    sparams.no_perf = false;

-    std::vector<llama_sampler *> samplers;
+    std::vector<llama_sampler_seq_config> sampler_configs;

    for (int32_t i = 0; i < n_parallel; ++i) {
        llama_sampler * smpl = llama_sampler_chain_init(sparams);
@@ -78,7 +78,13 @@ int main(int argc, char ** argv) {
        llama_sampler_chain_add(smpl, llama_sampler_init_temp (params.sampling.temp));
        llama_sampler_chain_add(smpl, llama_sampler_init_dist (params.sampling.seed));

-        samplers.push_back(smpl);
+        sampler_configs.push_back({ i, smpl });
+    }
+
+    // TODO: temporarily gated behind a flag
+    if (params.sampling.backend_sampling) {
+        ctx_params.samplers   = sampler_configs.data();
+        ctx_params.n_samplers = sampler_configs.size();
    }

    llama_context * ctx = llama_init_from_model(model, ctx_params);
@@ -180,7 +186,7 @@ int main(int argc, char ** argv) {
                continue;
            }

-            const llama_token new_token_id = llama_sampler_sample(samplers[i], ctx, i_batch[i]);
+            const llama_token new_token_id = llama_sampler_sample(sampler_configs[i].sampler, ctx, i_batch[i]);

            // is it an end of generation? -> mark the stream as finished
            if (llama_vocab_is_eog(vocab, new_token_id) || n_cur == n_predict) {
@@ -236,15 +242,15 @@ int main(int argc, char ** argv) {
            __func__, n_decode, (t_main_end - t_main_start) / 1000000.0f, n_decode / ((t_main_end - t_main_start) / 1000000.0f));

    LOG("\n");
-    llama_perf_sampler_print(samplers[0]);
+    llama_perf_sampler_print(sampler_configs[0].sampler);
    llama_perf_context_print(ctx);

    fprintf(stderr, "\n");

    llama_batch_free(batch);

-    for (auto & sampler_config : samplers) {
-        llama_sampler_free(sampler_config);
+    for (auto & sampler_config : sampler_configs) {
+        llama_sampler_free(sampler_config.sampler);
    }

    llama_free(ctx);
@@ -33,7 +33,7 @@ static void batch_add_seq(llama_batch & batch, const std::vector<int32_t> & toke
    }
 }

-static void batch_decode(llama_context * ctx, llama_batch & batch, float * output, int n_seq, int n_embd, int embd_norm) {
+static void batch_decode(llama_context * ctx, llama_batch & batch, float * output, int n_seq, int n_embd_out, int embd_norm) {
    const enum llama_pooling_type pooling_type = llama_pooling_type(ctx);

    // clear previous kv_cache values (irrelevant for embeddings)
@@ -65,8 +65,8 @@ static void batch_decode(llama_context * ctx, llama_batch & batch, float * outpu
            GGML_ASSERT(embd != NULL && "failed to get sequence embeddings");
        }

-        float * out = output + embd_pos * n_embd;
-        common_embd_normalize(embd, out, n_embd, embd_norm);
+        float * out = output + embd_pos * n_embd_out;
+        common_embd_normalize(embd, out, n_embd_out, embd_norm);
    }
 }

@@ -252,8 +252,8 @@ int main(int argc, char ** argv) {
    }

    // allocate output
-    const int n_embd = llama_model_n_embd(model);
-    std::vector<float> embeddings(n_embd_count * n_embd, 0);
+    const int n_embd_out = llama_model_n_embd_out(model);
+    std::vector<float> embeddings(n_embd_count * n_embd_out, 0);
    float * emb = embeddings.data();

    // break into batches
@@ -267,8 +267,8 @@ int main(int argc, char ** argv) {

        // encode if at capacity
        if (batch.n_tokens + n_toks > n_batch || s >= n_seq_max) {
-            float * out = emb + e * n_embd;
-            batch_decode(ctx, batch, out, s, n_embd, params.embd_normalize);
+            float * out = emb + e * n_embd_out;
+            batch_decode(ctx, batch, out, s, n_embd_out, params.embd_normalize);
            e += pooling_type == LLAMA_POOLING_TYPE_NONE ? batch.n_tokens : s;
            s = 0;
            common_batch_clear(batch);
@@ -280,8 +280,8 @@ int main(int argc, char ** argv) {
    }

    // final batch
-    float * out = emb + e * n_embd;
-    batch_decode(ctx, batch, out, s, n_embd, params.embd_normalize);
+    float * out = emb + e * n_embd_out;
+    batch_decode(ctx, batch, out, s, n_embd_out, params.embd_normalize);

    if (params.embd_out.empty()) {
        LOG("\n");
@@ -289,19 +289,19 @@ int main(int argc, char ** argv) {
        if (pooling_type == LLAMA_POOLING_TYPE_NONE) {
            for (int j = 0; j < n_embd_count; j++) {
                LOG("embedding %d: ", j);
-                for (int i = 0; i < std::min(3, n_embd); i++) {
+                for (int i = 0; i < std::min(3, n_embd_out); i++) {
                    if (params.embd_normalize == 0) {
-                        LOG("%6.0f ", emb[j * n_embd + i]);
+                        LOG("%6.0f ", emb[j * n_embd_out + i]);
                    } else {
-                        LOG("%9.6f ", emb[j * n_embd + i]);
+                        LOG("%9.6f ", emb[j * n_embd_out + i]);
                    }
                }
                LOG(" ... ");
-                for (int i = n_embd - 3; i < n_embd; i++) {
+                for (int i = n_embd_out - 3; i < n_embd_out; i++) {
                    if (params.embd_normalize == 0) {
-                        LOG("%6.0f ", emb[j * n_embd + i]);
+                        LOG("%6.0f ", emb[j * n_embd_out + i]);
                    } else {
-                        LOG("%9.6f ", emb[j * n_embd + i]);
+                        LOG("%9.6f ", emb[j * n_embd_out + i]);
                    }
                }
                LOG("\n");
@@ -320,9 +320,9 @@ int main(int argc, char ** argv) {
                for (uint32_t i = 0; i < n_cls_out; i++) {
                    // NOTE: if you change this log - update the tests in ci/run.sh
                    if (n_cls_out == 1) {
-                        LOG("rerank score %d: %8.3f\n", j, emb[j * n_embd]);
+                        LOG("rerank score %d: %8.3f\n", j, emb[j * n_embd_out]);
                    } else {
-                        LOG("rerank score %d: %8.3f [%s]\n", j, emb[j * n_embd + i], cls_out_labels[i].c_str());
+                        LOG("rerank score %d: %8.3f [%s]\n", j, emb[j * n_embd_out + i], cls_out_labels[i].c_str());
                    }
                }
            }
@@ -330,11 +330,11 @@ int main(int argc, char ** argv) {
            // print the first part of the embeddings or for a single prompt, the full embedding
            for (int j = 0; j < n_prompts; j++) {
                LOG("embedding %d: ", j);
-                for (int i = 0; i < (n_prompts > 1 ? std::min(16, n_embd) : n_embd); i++) {
+                for (int i = 0; i < (n_prompts > 1 ? std::min(16, n_embd_out) : n_embd_out); i++) {
                    if (params.embd_normalize == 0) {
-                        LOG("%6.0f ", emb[j * n_embd + i]);
+                        LOG("%6.0f ", emb[j * n_embd_out + i]);
                    } else {
-                        LOG("%9.6f ", emb[j * n_embd + i]);
+                        LOG("%9.6f ", emb[j * n_embd_out + i]);
                    }
                }
                LOG("\n");
@@ -350,7 +350,7 @@ int main(int argc, char ** argv) {
                LOG("\n");
                for (int i = 0; i < n_prompts; i++) {
                    for (int j = 0; j < n_prompts; j++) {
-                        float sim = common_embd_similarity_cos(emb + i * n_embd, emb + j * n_embd, n_embd);
+                        float sim = common_embd_similarity_cos(emb + i * n_embd_out, emb + j * n_embd_out, n_embd_out);
                        LOG("%6.2f ", sim);
                    }
                    LOG("%1.10s", prompts[i].c_str());
@@ -368,9 +368,9 @@ int main(int argc, char ** argv) {
            if (notArray) LOG("    {\n      \"object\": \"embedding\",\n      \"index\": %d,\n      \"embedding\": ",j);
            LOG("[");
            for (int i = 0;;) { // at least one iteration (n_embd > 0)
-                LOG(params.embd_normalize == 0 ? "%1.0f" : "%1.7f", emb[j * n_embd + i]);
+                LOG(params.embd_normalize == 0 ? "%1.0f" : "%1.7f", emb[j * n_embd_out + i]);
                i++;
-                if (i < n_embd) LOG(","); else break;
+                if (i < n_embd_out) LOG(","); else break;
            }
            LOG(notArray ? "]\n    }" : "]");
            j++;
@@ -383,7 +383,7 @@ int main(int argc, char ** argv) {
            for (int i = 0;;) { // at least two iteration (n_embd_count > 1)
                LOG("    [");
                for (int j = 0;;) { // at least two iteration (n_embd_count > 1)
-                    float sim = common_embd_similarity_cos(emb + i * n_embd, emb + j * n_embd, n_embd);
+                    float sim = common_embd_similarity_cos(emb + i * n_embd_out, emb + j * n_embd_out, n_embd_out);
                    LOG("%6.2f", sim);
                    j++;
                    if (j < n_embd_count) LOG(", "); else break;
@@ -397,7 +397,7 @@ int main(int argc, char ** argv) {

        if (notArray) LOG("\n}\n");
    } else if (params.embd_out == "raw") {
-        print_raw_embeddings(emb, n_embd_count, n_embd, model, pooling_type, params.embd_normalize);
+        print_raw_embeddings(emb, n_embd_count, n_embd_out, model, pooling_type, params.embd_normalize);
    }

    LOG("\n");
@@ -41,11 +41,8 @@ android {
        }
    }
    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
-    }
-    kotlinOptions {
-        jvmTarget = "1.8"
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
    }
 }

@@ -6,6 +6,7 @@ import android.util.Log
 import android.widget.EditText
 import android.widget.TextView
 import android.widget.Toast
+import androidx.activity.addCallback
 import androidx.activity.enableEdgeToEdge
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
@@ -18,6 +19,7 @@ import com.arm.aichat.gguf.GgufMetadata
 import com.arm.aichat.gguf.GgufMetadataReader
 import com.google.android.material.floatingactionbutton.FloatingActionButton
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.onCompletion
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -36,6 +38,7 @@ class MainActivity : AppCompatActivity() {

    // Arm AI Chat inference engine
    private lateinit var engine: InferenceEngine
+    private var generationJob: Job? = null

    // Conversation states
    private var isModelReady = false
@@ -47,11 +50,13 @@ class MainActivity : AppCompatActivity() {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge()
        setContentView(R.layout.activity_main)
+        // View model boilerplate and state management is out of this basic sample's scope
+        onBackPressedDispatcher.addCallback { Log.w(TAG, "Ignore back press for simplicity") }

        // Find views
        ggufTv = findViewById(R.id.gguf)
        messagesRv = findViewById(R.id.messages)
-        messagesRv.layoutManager = LinearLayoutManager(this)
+        messagesRv.layoutManager = LinearLayoutManager(this).apply { stackFromEnd = true }
        messagesRv.adapter = messageAdapter
        userInputEt = findViewById(R.id.user_input)
        userActionFab = findViewById(R.id.fab)
@@ -157,33 +162,35 @@ class MainActivity : AppCompatActivity() {
     * Validate and send the user message into [InferenceEngine]
     */
    private fun handleUserInput() {
-        userInputEt.text.toString().also { userSsg ->
-            if (userSsg.isEmpty()) {
+        userInputEt.text.toString().also { userMsg ->
+            if (userMsg.isEmpty()) {
                Toast.makeText(this, "Input message is empty!", Toast.LENGTH_SHORT).show()
            } else {
                userInputEt.text = null
+                userInputEt.isEnabled = false
                userActionFab.isEnabled = false

                // Update message states
-                messages.add(Message(UUID.randomUUID().toString(), userSsg, true))
+                messages.add(Message(UUID.randomUUID().toString(), userMsg, true))
                lastAssistantMsg.clear()
                messages.add(Message(UUID.randomUUID().toString(), lastAssistantMsg.toString(), false))

-                lifecycleScope.launch(Dispatchers.Default) {
-                    engine.sendUserPrompt(userSsg)
+                generationJob = lifecycleScope.launch(Dispatchers.Default) {
+                    engine.sendUserPrompt(userMsg)
                        .onCompletion {
                            withContext(Dispatchers.Main) {
+                                userInputEt.isEnabled = true
                                userActionFab.isEnabled = true
                            }
                        }.collect { token ->
-                            val messageCount = messages.size
-                            check(messageCount > 0 && !messages[messageCount - 1].isUser)
-
-                            messages.removeAt(messageCount - 1).copy(
-                                content = lastAssistantMsg.append(token).toString()
-                            ).let { messages.add(it) }
-
                            withContext(Dispatchers.Main) {
+                                val messageCount = messages.size
+                                check(messageCount > 0 && !messages[messageCount - 1].isUser)
+
+                                messages.removeAt(messageCount - 1).copy(
+                                    content = lastAssistantMsg.append(token).toString()
+                                ).let { messages.add(it) }
+
                                messageAdapter.notifyItemChanged(messages.size - 1)
                            }
                        }
@@ -195,6 +202,7 @@ class MainActivity : AppCompatActivity() {
    /**
     * Run a benchmark with the model file
     */
+    @Deprecated("This benchmark doesn't accurately indicate GUI performance expected by app developers")
    private suspend fun runBenchmark(modelName: String, modelFile: File) =
        withContext(Dispatchers.Default) {
            Log.i(TAG, "Starts benchmarking $modelName")
@@ -223,6 +231,16 @@ class MainActivity : AppCompatActivity() {
            if (!it.exists()) { it.mkdir() }
        }

+    override fun onStop() {
+        generationJob?.cancel()
+        super.onStop()
+    }
+
+    override fun onDestroy() {
+        engine.destroy()
+        super.onDestroy()
+    }
+
    companion object {
        private val TAG = MainActivity::class.java.simpleName

@@ -24,7 +24,7 @@
                android:id="@+id/gguf"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
-                android:layout_margin="16dp"
+                android:padding="16dp"
                android:text="Selected GGUF model's metadata will show here."
                style="@style/TextAppearance.MaterialComponents.Body2" />

@@ -33,8 +33,7 @@
        <com.google.android.material.divider.MaterialDivider
            android:layout_width="match_parent"
            android:layout_height="2dp"
-            android:layout_marginHorizontal="16dp"
-            android:layout_marginVertical="8dp" />
+            android:layout_marginHorizontal="16dp" />

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/messages"
@@ -1,15 +1,15 @@
 [versions]

 # Plugins
-agp = "8.13.0"
-kotlin = "2.2.20"
+agp = "8.13.2"
+kotlin = "2.3.0"

 # AndroidX
-activity = "1.11.0"
+activity = "1.12.2"
 appcompat = "1.7.1"
 core-ktx = "1.17.0"
 constraint-layout = "2.2.1"
-datastore-preferences = "1.1.7"
+datastore-preferences = "1.2.0"

 # Material
 material = "1.13.0"
@@ -560,6 +560,6 @@ Java_com_arm_aichat_internal_InferenceEngineImpl_unload(JNIEnv * /*unused*/, job

 extern "C"
 JNIEXPORT void JNICALL
-Java_com_arm_aichat_internal_InferenceEngineImpl_shutdown(JNIEnv *env, jobject /*unused*/) {
+Java_com_arm_aichat_internal_InferenceEngineImpl_shutdown(JNIEnv *, jobject /*unused*/) {
    llama_backend_free();
 }
@@ -38,7 +38,7 @@ interface InferenceEngine {
    /**
     * Unloads the currently loaded model.
     */
-    suspend fun cleanUp()
+    fun cleanUp()

    /**
     * Cleans up resources when the engine is no longer needed.
@@ -15,9 +15,11 @@ import kotlinx.coroutines.cancel
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withContext
 import java.io.File
 import java.io.IOException
@@ -109,9 +111,11 @@ internal class InferenceEngineImpl private constructor(

    private val _state =
        MutableStateFlow<InferenceEngine.State>(InferenceEngine.State.Uninitialized)
-    override val state: StateFlow<InferenceEngine.State> = _state
+    override val state: StateFlow<InferenceEngine.State> = _state.asStateFlow()

    private var _readyForSystemPrompt = false
+    @Volatile
+    private var _cancelGeneration = false

    /**
     * Single-threaded coroutine dispatcher & scope for LLama asynchronous operations
@@ -169,6 +173,8 @@ internal class InferenceEngineImpl private constructor(
                }
                Log.i(TAG, "Model loaded!")
                _readyForSystemPrompt = true
+
+                _cancelGeneration = false
                _state.value = InferenceEngine.State.ModelReady
            } catch (e: Exception) {
                Log.e(TAG, (e.message ?: "Error loading model") + "\n" + pathToModel, e)
@@ -231,15 +237,19 @@ internal class InferenceEngineImpl private constructor(

            Log.i(TAG, "User prompt processed. Generating assistant prompt...")
            _state.value = InferenceEngine.State.Generating
-            while (true) {
+            while (!_cancelGeneration) {
                generateNextToken()?.let { utf8token ->
                    if (utf8token.isNotEmpty()) emit(utf8token)
                } ?: break
            }
-            Log.i(TAG, "Assistant generation complete. Awaiting user prompt...")
+            if (_cancelGeneration) {
+                Log.i(TAG, "Assistant generation aborted per requested.")
+            } else {
+                Log.i(TAG, "Assistant generation complete. Awaiting user prompt...")
+            }
            _state.value = InferenceEngine.State.ModelReady
        } catch (e: CancellationException) {
-            Log.i(TAG, "Generation cancelled by user.")
+            Log.i(TAG, "Assistant generation's flow collection cancelled.")
            _state.value = InferenceEngine.State.ModelReady
            throw e
        } catch (e: Exception) {
@@ -268,8 +278,9 @@ internal class InferenceEngineImpl private constructor(
    /**
     * Unloads the model and frees resources, or reset error states
     */
-    override suspend fun cleanUp() =
-        withContext(llamaDispatcher) {
+    override fun cleanUp() {
+        _cancelGeneration = true
+        runBlocking(llamaDispatcher) {
            when (val state = _state.value) {
                is InferenceEngine.State.ModelReady -> {
                    Log.i(TAG, "Unloading model and free resources...")
@@ -293,17 +304,21 @@ internal class InferenceEngineImpl private constructor(
                else -> throw IllegalStateException("Cannot unload model in ${state.javaClass.simpleName}")
            }
        }
+    }

    /**
     * Cancel all ongoing coroutines and free GGML backends
     */
    override fun destroy() {
-        _readyForSystemPrompt = false
-        llamaScope.cancel()
-        when(_state.value) {
-            is InferenceEngine.State.Uninitialized -> {}
-            is InferenceEngine.State.Initialized -> shutdown()
-            else -> { unload(); shutdown() }
+        _cancelGeneration = true
+        runBlocking(llamaDispatcher) {
+            _readyForSystemPrompt = false
+            when(_state.value) {
+                is InferenceEngine.State.Uninitialized -> {}
+                is InferenceEngine.State.Initialized -> shutdown()
+                else -> { unload(); shutdown() }
+            }
        }
+        llamaScope.cancel()
    }
 }
@@ -161,9 +161,9 @@ int main(int argc, char ** argv) {
    std::vector<float> embd_out;

    if (embedding_mode) {
-        const int n_embd = llama_model_n_embd(model);
+        const int n_embd_out = llama_model_n_embd_out(model);
        const int n_embd_count = pooling_enabled ? 1 : batch.n_tokens;
-        const int n_embeddings = n_embd * n_embd_count;
+        const int n_embeddings = n_embd_out * n_embd_count;
        float * embeddings;
        type = "-embeddings";

@@ -177,7 +177,7 @@ int main(int argc, char ** argv) {
            embeddings = llama_get_embeddings(ctx);
        }

-        printf("Embedding dimension: %d\n", n_embd);
+        printf("Embedding dimension: %d\n", n_embd_out);
        printf("\n");

        // Print embeddings in the specified format
@@ -185,16 +185,16 @@ int main(int argc, char ** argv) {
            printf("embedding %d: ", j);

            // Print first 3 values
-            for (int i = 0; i < 3 && i < n_embd; i++) {
-                printf("%9.6f ", embeddings[j * n_embd + i]);
+            for (int i = 0; i < 3 && i < n_embd_out; i++) {
+                printf("%9.6f ", embeddings[j * n_embd_out + i]);
            }

            printf(" ... ");

            // Print last 3 values
-            for (int i = n_embd - 3; i < n_embd; i++) {
+            for (int i = n_embd_out - 3; i < n_embd_out; i++) {
                if (i >= 0) {
-                    printf("%9.6f ", embeddings[j * n_embd + i]);
+                    printf("%9.6f ", embeddings[j * n_embd_out + i]);
                }
            }

@@ -5,8 +5,11 @@ set -e
 MODEL_PATH="${1:-"$MODEL_PATH"}"
 MODEL_NAME="${2:-$(basename "$MODEL_PATH")}"

+CONVERTED_MODEL_PATH="${1:-"$CONVERTED_MODEL"}"
+CONVERTED_MODEL_NAME="${2:-$(basename "$CONVERTED_MODEL_PATH" ".gguf")}"
+
 if [ -t 0 ]; then
-    CPP_EMBEDDINGS="data/llamacpp-${MODEL_NAME}-embeddings.bin"
+    CPP_EMBEDDINGS="data/llamacpp-${CONVERTED_MODEL_NAME}-embeddings.bin"
 else
    # Process piped JSON data and convert to binary (matching logits.cpp format)
    TEMP_FILE=$(mktemp /tmp/tmp.XXXXXX.binn)
@@ -2,6 +2,7 @@

 import argparse
 import os
+import sys
 import numpy as np
 import importlib
 from pathlib import Path
@@ -9,169 +10,243 @@ from pathlib import Path
 from transformers import AutoTokenizer, AutoConfig, AutoModel
 import torch

-unreleased_model_name = os.getenv('UNRELEASED_MODEL_NAME')

-parser = argparse.ArgumentParser(description='Process model with specified path')
-parser.add_argument('--model-path', '-m', help='Path to the model')
-parser.add_argument('--prompts-file', '-p', help='Path to file containing prompts (one per line)')
-parser.add_argument('--use-sentence-transformers', action='store_true',
-                    help='Use SentenceTransformer to apply all numbered layers (01_Pooling, 02_Dense, 03_Dense, 04_Normalize)')
-args = parser.parse_args()
+def parse_arguments():
+    parser = argparse.ArgumentParser(description='Run original embedding model')
+    parser.add_argument(
+        '--model-path',
+        '-m',
+        help='Path to the model'
+    )
+    parser.add_argument(
+        '--prompts-file',
+        '-p',
+        help='Path to file containing prompts (one per line)'
+    )
+    parser.add_argument(
+        '--use-sentence-transformers',
+        action='store_true',
+        help=('Use SentenceTransformer to apply all numbered layers '
+              '(01_Pooling, 02_Dense, 03_Dense, 04_Normalize)')
+    )
+    parser.add_argument(
+        '--device',
+        '-d',
+        help='Device to use (cpu, cuda, mps, auto)',
+        default='auto'
+    )
+    return parser.parse_args()

-def read_prompt_from_file(file_path):
-    try:
-        with open(file_path, 'r', encoding='utf-8') as f:
-            return f.read().strip()
-    except FileNotFoundError:
-        print(f"Error: Prompts file '{file_path}' not found")
-        exit(1)
-    except Exception as e:
-        print(f"Error reading prompts file: {e}")
-        exit(1)

-model_path = os.environ.get('EMBEDDING_MODEL_PATH', args.model_path)
-if model_path is None:
-    parser.error("Model path must be specified either via --model-path argument or EMBEDDING_MODEL_PATH environment variable")
-
-# Determine if we should use SentenceTransformer
-use_sentence_transformers = args.use_sentence_transformers or os.environ.get('USE_SENTENCE_TRANSFORMERS', '').lower() in ('1', 'true', 'yes')
-
-if use_sentence_transformers:
-    from sentence_transformers import SentenceTransformer
-    print("Using SentenceTransformer to apply all numbered layers")
-    model = SentenceTransformer(model_path)
-    tokenizer = model.tokenizer
-    config = model[0].auto_model.config  # type: ignore
-else:
-    tokenizer = AutoTokenizer.from_pretrained(model_path)
-
-    config = AutoConfig.from_pretrained(model_path, trust_remote_code=True)
-
-    # This can be used to override the sliding window size for manual testing. This
-    # can be useful to verify the sliding window attention mask in the original model
-    # and compare it with the converted .gguf model.
-    if hasattr(config, 'sliding_window'):
-        original_sliding_window = config.sliding_window
-        #original_sliding_window = 6
-        print(f"Modified sliding window: {original_sliding_window} -> {config.sliding_window}")
-
-    print(f"Using unreleased model: {unreleased_model_name}")
-    if unreleased_model_name:
-        model_name_lower = unreleased_model_name.lower()
-        unreleased_module_path = f"transformers.models.{model_name_lower}.modular_{model_name_lower}"
-        class_name = f"{unreleased_model_name}Model"
-        print(f"Importing unreleased model module: {unreleased_module_path}")
-
-        try:
-            model_class = getattr(importlib.import_module(unreleased_module_path), class_name)
-            model = model_class.from_pretrained(model_path, config=config, trust_remote_code=True)
-        except (ImportError, AttributeError) as e:
-            print(f"Failed to import or load model: {e}")
-            exit(1)
+def load_model_and_tokenizer(model_path, use_sentence_transformers=False, device="auto"):
+    if device == "cpu":
+        device_map = {"": "cpu"}
+        print("Forcing CPU usage")
+    elif device == "auto":
+        # On Mac, "auto" device_map can cause issues with accelerate
+        # So we detect the best device manually
+        if torch.cuda.is_available():
+            device_map = {"": "cuda"}
+            print("Using CUDA")
+        elif torch.backends.mps.is_available():
+            device_map = {"": "mps"}
+            print("Using MPS (Apple Metal)")
+        else:
+            device_map = {"": "cpu"}
+            print("Using CPU")
    else:
-        model = AutoModel.from_pretrained(model_path, config=config, trust_remote_code=True)
-    print(f"Model class: {type(model)}")
-    print(f"Model file: {type(model).__module__}")
+        device_map = {"": device}

-# Verify the model is using the correct sliding window
-if not use_sentence_transformers:
-    if hasattr(model.config, 'sliding_window'):  # type: ignore
-        print(f"Model's sliding_window: {model.config.sliding_window}")  # type: ignore
-    else:
-        print("Model config does not have sliding_window attribute")
-
-model_name = os.path.basename(model_path)
-
-if args.prompts_file:
-    prompt_text = read_prompt_from_file(args.prompts_file)
-    texts = [prompt_text]
-else:
-    texts = ["Hello world today"]
-
-with torch.no_grad():
    if use_sentence_transformers:
-        embeddings = model.encode(texts, convert_to_numpy=True)
-        all_embeddings = embeddings  # Shape: [batch_size, hidden_size]
-
-        encoded = tokenizer(
-            texts,
-            padding=True,
-            truncation=True,
-            return_tensors="pt"
-        )
-        tokens = encoded['input_ids'][0]
-        token_strings = tokenizer.convert_ids_to_tokens(tokens)
-        for i, (token_id, token_str) in enumerate(zip(tokens, token_strings)):
-            print(f"{token_id:6d} -> '{token_str}'")
-
-        print(f"Embeddings shape (after all SentenceTransformer layers): {all_embeddings.shape}")
-        print(f"Embedding dimension: {all_embeddings.shape[1] if len(all_embeddings.shape) > 1 else all_embeddings.shape[0]}")  # type: ignore
+        from sentence_transformers import SentenceTransformer
+        print("Using SentenceTransformer to apply all numbered layers")
+        model = SentenceTransformer(model_path)
+        tokenizer = model.tokenizer
+        config = model[0].auto_model.config  # type: ignore
    else:
-        # Standard approach: use base model output only
-        encoded = tokenizer(
-            texts,
-            padding=True,
-            truncation=True,
-            return_tensors="pt"
-        )
+        tokenizer = AutoTokenizer.from_pretrained(model_path)
+        config = AutoConfig.from_pretrained(model_path, trust_remote_code=True)

-        tokens = encoded['input_ids'][0]
-        token_strings = tokenizer.convert_ids_to_tokens(tokens)
-        for i, (token_id, token_str) in enumerate(zip(tokens, token_strings)):
-            print(f"{token_id:6d} -> '{token_str}'")
+        # This can be used to override the sliding window size for manual testing. This
+        # can be useful to verify the sliding window attention mask in the original model
+        # and compare it with the converted .gguf model.
+        if hasattr(config, 'sliding_window'):
+            original_sliding_window = config.sliding_window
+            print(f"Modified sliding window: {original_sliding_window} -> {config.sliding_window}")

-        outputs = model(**encoded)
-        hidden_states = outputs.last_hidden_state  # Shape: [batch_size, seq_len, hidden_size]
+        unreleased_model_name = os.getenv('UNRELEASED_MODEL_NAME')
+        print(f"Using unreleased model: {unreleased_model_name}")
+        if unreleased_model_name:
+            model_name_lower = unreleased_model_name.lower()
+            unreleased_module_path = f"transformers.models.{model_name_lower}.modular_{model_name_lower}"
+            class_name = f"{unreleased_model_name}Model"
+            print(f"Importing unreleased model module: {unreleased_module_path}")

-        all_embeddings = hidden_states[0].float().cpu().numpy()  # Shape: [seq_len, hidden_size]
+            try:
+                model_class = getattr(importlib.import_module(unreleased_module_path), class_name)
+                model = model_class.from_pretrained(
+                    model_path,
+                    device_map=device_map,
+                    offload_folder="offload",
+                    trust_remote_code=True,
+                    config=config
+                )
+            except (ImportError, AttributeError) as e:
+                print(f"Failed to import or load model: {e}")
+                sys.exit(1)
+        else:
+            model = AutoModel.from_pretrained(
+                model_path,
+                device_map=device_map,
+                offload_folder="offload",
+                trust_remote_code=True,
+                config=config
+            )
+        print(f"Model class: {type(model)}")
+        print(f"Model file: {type(model).__module__}")

-        print(f"Hidden states shape: {hidden_states.shape}")
-        print(f"All embeddings shape: {all_embeddings.shape}")
-        print(f"Embedding dimension: {all_embeddings.shape[1]}")
+        # Verify the model is using the correct sliding window
+        if hasattr(model.config, 'sliding_window'):  # type: ignore
+            print(f"Model's sliding_window: {model.config.sliding_window}")  # type: ignore
+        else:
+            print("Model config does not have sliding_window attribute")

-    if len(all_embeddings.shape) == 1:
-        n_embd = all_embeddings.shape[0]  # type: ignore
-        n_embd_count = 1
-        all_embeddings = all_embeddings.reshape(1, -1)
+    return model, tokenizer, config
+
+
+def get_prompt(args):
+    if args.prompts_file:
+        try:
+            with open(args.prompts_file, 'r', encoding='utf-8') as f:
+                return f.read().strip()
+        except FileNotFoundError:
+            print(f"Error: Prompts file '{args.prompts_file}' not found")
+            sys.exit(1)
+        except Exception as e:
+            print(f"Error reading prompts file: {e}")
+            sys.exit(1)
    else:
-        n_embd = all_embeddings.shape[1]  # type: ignore
-        n_embd_count = all_embeddings.shape[0]  # type: ignore
+        return "Hello world today"

-    print()

-    for j in range(n_embd_count):
-        embedding = all_embeddings[j]
-        print(f"embedding {j}: ", end="")
+def main():
+    args = parse_arguments()

-        # Print first 3 values
-        for i in range(min(3, n_embd)):
-            print(f"{embedding[i]:9.6f} ", end="")
+    model_path = os.environ.get('EMBEDDING_MODEL_PATH', args.model_path)
+    if model_path is None:
+        print("Error: Model path must be specified either via --model-path argument "
+              "or EMBEDDING_MODEL_PATH environment variable")
+        sys.exit(1)

-        print(" ... ", end="")
+    # Determine if we should use SentenceTransformer
+    use_st = (
+        args.use_sentence_transformers or os.environ.get('USE_SENTENCE_TRANSFORMERS', '').lower() in ('1', 'true', 'yes')
+    )

-        # Print last 3 values
-        for i in range(n_embd - 3, n_embd):
-            print(f"{embedding[i]:9.6f} ", end="")
+    model, tokenizer, config = load_model_and_tokenizer(model_path, use_st, args.device)

-        print()  # New line
+    # Get the device the model is on
+    if not use_st:
+        device = next(model.parameters()).device
+    else:
+        # For SentenceTransformer, get device from the underlying model
+        device = next(model[0].auto_model.parameters()).device  # type: ignore

-    print()
+    model_name = os.path.basename(model_path)

-    data_dir = Path("data")
-    data_dir.mkdir(exist_ok=True)
-    bin_filename = data_dir / f"pytorch-{model_name}-embeddings.bin"
-    txt_filename = data_dir / f"pytorch-{model_name}-embeddings.txt"
+    prompt_text = get_prompt(args)
+    texts = [prompt_text]

-    flattened_embeddings = all_embeddings.flatten()
-    flattened_embeddings.astype(np.float32).tofile(bin_filename)
+    with torch.no_grad():
+        if use_st:
+            embeddings = model.encode(texts, convert_to_numpy=True)
+            all_embeddings = embeddings  # Shape: [batch_size, hidden_size]
+
+            encoded = tokenizer(
+                texts,
+                padding=True,
+                truncation=True,
+                return_tensors="pt"
+            )
+            tokens = encoded['input_ids'][0]
+            token_strings = tokenizer.convert_ids_to_tokens(tokens)
+            for i, (token_id, token_str) in enumerate(zip(tokens, token_strings)):
+                print(f"{token_id:6d} -> '{token_str}'")
+
+            print(f"Embeddings shape (after all SentenceTransformer layers): {all_embeddings.shape}")
+            print(f"Embedding dimension: {all_embeddings.shape[1] if len(all_embeddings.shape) > 1 else all_embeddings.shape[0]}")  # type: ignore
+        else:
+            # Standard approach: use base model output only
+            encoded = tokenizer(
+                texts,
+                padding=True,
+                truncation=True,
+                return_tensors="pt"
+            )
+
+            tokens = encoded['input_ids'][0]
+            token_strings = tokenizer.convert_ids_to_tokens(tokens)
+            for i, (token_id, token_str) in enumerate(zip(tokens, token_strings)):
+                print(f"{token_id:6d} -> '{token_str}'")
+
+            # Move inputs to the same device as the model
+            encoded = {k: v.to(device) for k, v in encoded.items()}
+            outputs = model(**encoded)
+            hidden_states = outputs.last_hidden_state  # Shape: [batch_size, seq_len, hidden_size]
+
+            all_embeddings = hidden_states[0].float().cpu().numpy()  # Shape: [seq_len, hidden_size]
+
+            print(f"Hidden states shape: {hidden_states.shape}")
+            print(f"All embeddings shape: {all_embeddings.shape}")
+            print(f"Embedding dimension: {all_embeddings.shape[1]}")
+
+        if len(all_embeddings.shape) == 1:
+            n_embd = all_embeddings.shape[0]  # type: ignore
+            n_embd_count = 1
+            all_embeddings = all_embeddings.reshape(1, -1)
+        else:
+            n_embd = all_embeddings.shape[1]  # type: ignore
+            n_embd_count = all_embeddings.shape[0]  # type: ignore
+
+        print()

-    with open(txt_filename, "w") as f:
-        idx = 0
        for j in range(n_embd_count):
-            for value in all_embeddings[j]:
-                f.write(f"{idx}: {value:.6f}\n")
-                idx += 1
-    print(f"Total values: {len(flattened_embeddings)} ({n_embd_count} embeddings × {n_embd} dimensions)")
-    print("")
-    print(f"Saved bin embeddings to: {bin_filename}")
-    print(f"Saved txt embeddings to: {txt_filename}")
+            embedding = all_embeddings[j]
+            print(f"embedding {j}: ", end="")
+
+            # Print first 3 values
+            for i in range(min(3, n_embd)):
+                print(f"{embedding[i]:9.6f} ", end="")
+
+            print(" ... ", end="")
+
+            # Print last 3 values
+            for i in range(n_embd - 3, n_embd):
+                print(f"{embedding[i]:9.6f} ", end="")
+
+            print()  # New line
+
+        print()
+
+        data_dir = Path("data")
+        data_dir.mkdir(exist_ok=True)
+        bin_filename = data_dir / f"pytorch-{model_name}-embeddings.bin"
+        txt_filename = data_dir / f"pytorch-{model_name}-embeddings.txt"
+
+        flattened_embeddings = all_embeddings.flatten()
+        flattened_embeddings.astype(np.float32).tofile(bin_filename)
+
+        with open(txt_filename, "w") as f:
+            idx = 0
+            for j in range(n_embd_count):
+                for value in all_embeddings[j]:
+                    f.write(f"{idx}: {value:.6f}\n")
+                    idx += 1
+        print(f"Total values: {len(flattened_embeddings)} ({n_embd_count} embeddings × {n_embd} dimensions)")
+        print("")
+        print(f"Saved bin embeddings to: {bin_filename}")
+        print(f"Saved txt embeddings to: {txt_filename}")
+
+
+if __name__ == "__main__":
+    main()
@@ -217,13 +217,13 @@ int main(int argc, char ** argv) {
    struct llama_batch batch = llama_batch_init(n_batch, 0, 1);

    // allocate output
-    const int n_embd = llama_model_n_embd(model);
-    std::vector<float> embeddings(n_chunks * n_embd, 0);
+    const int n_embd_out = llama_model_n_embd_out(model);
+    std::vector<float> embeddings(n_chunks * n_embd_out, 0);
    float * emb = embeddings.data();

    // break into batches
-    int p = 0; // number of prompts processed already
-    int s = 0; // number of prompts in current batch
+    unsigned int p = 0; // number of prompts processed already
+    unsigned int s = 0; // number of prompts in current batch
    for (int k = 0; k < n_chunks; k++) {
        // clamp to n_batch tokens
        auto & inp = chunks[k].tokens;
@@ -231,9 +231,9 @@ int main(int argc, char ** argv) {
        const uint64_t n_toks = inp.size();

        // encode if at capacity
-        if (batch.n_tokens + n_toks > n_batch) {
-            float * out = emb + p * n_embd;
-            batch_process(ctx, batch, out, s, n_embd);
+        if (batch.n_tokens + n_toks > n_batch || s >= llama_n_seq_max(ctx)) {
+            float * out = emb + p * n_embd_out;
+            batch_process(ctx, batch, out, s, n_embd_out);
            common_batch_clear(batch);
            p += s;
            s = 0;
@@ -245,12 +245,12 @@ int main(int argc, char ** argv) {
    }

    // final batch
-    float * out = emb + p * n_embd;
-    batch_process(ctx, batch, out, s, n_embd);
+    float * out = emb + p * n_embd_out;
+    batch_process(ctx, batch, out, s, n_embd_out);

    // save embeddings to chunks
    for (int i = 0; i < n_chunks; i++) {
-        chunks[i].embedding = std::vector<float>(emb + i * n_embd, emb + (i + 1) * n_embd);
+        chunks[i].embedding = std::vector<float>(emb + i * n_embd_out, emb + (i + 1) * n_embd_out);
        // clear tokens as they are no longer needed
        chunks[i].tokens.clear();
    }
@@ -266,8 +266,8 @@ int main(int argc, char ** argv) {

        batch_add_seq(query_batch, query_tokens, 0);

-        std::vector<float> query_emb(n_embd, 0);
-        batch_process(ctx, query_batch, query_emb.data(), 1, n_embd);
+        std::vector<float> query_emb(n_embd_out, 0);
+        batch_process(ctx, query_batch, query_emb.data(), 1, n_embd_out);

        common_batch_clear(query_batch);

@@ -275,7 +275,7 @@ int main(int argc, char ** argv) {
        {
            std::vector<std::pair<int, float>> similarities;
            for (int i = 0; i < n_chunks; i++) {
-                float sim = common_embd_similarity_cos(chunks[i].embedding.data(), query_emb.data(), n_embd);
+                float sim = common_embd_similarity_cos(chunks[i].embedding.data(), query_emb.data(), n_embd_out);
                similarities.push_back(std::make_pair(i, sim));
            }

@@ -4,7 +4,7 @@ project("ggml" C CXX ASM)
 ### GGML Version
 set(GGML_VERSION_MAJOR 0)
 set(GGML_VERSION_MINOR 9)
-set(GGML_VERSION_PATCH 4)
+set(GGML_VERSION_PATCH 5)
 set(GGML_VERSION_BASE "${GGML_VERSION_MAJOR}.${GGML_VERSION_MINOR}.${GGML_VERSION_PATCH}")

 find_program(GIT_EXE NAMES git git.exe NO_CMAKE_FIND_ROOT_PATH)
@@ -358,7 +358,7 @@ extern "C" {
    typedef bool (*ggml_backend_eval_callback)(int node_index, struct ggml_tensor * t1, struct ggml_tensor * t2, void * user_data);

    // Compare the output of two backends
-    GGML_API bool ggml_backend_compare_graph_backend(ggml_backend_t backend1, ggml_backend_t backend2, struct ggml_cgraph * graph, ggml_backend_eval_callback callback, void * user_data, struct ggml_tensor * test_node);
+    GGML_API bool ggml_backend_compare_graph_backend(ggml_backend_t backend1, ggml_backend_t backend2, struct ggml_cgraph * graph, ggml_backend_eval_callback callback, void * user_data, struct ggml_tensor const * const * test_nodes, size_t num_test_nodes);

    // Tensor initialization
    GGML_API enum ggml_status ggml_backend_tensor_alloc(ggml_backend_buffer_t buffer, struct ggml_tensor * tensor, void * addr);
@@ -401,8 +401,8 @@ if (GGML_CPU_ALL_VARIANTS)
            ggml_add_cpu_backend_variant(android_armv8.2_2    DOTPROD FP16_VECTOR_ARITHMETIC)
            ggml_add_cpu_backend_variant(android_armv8.6_1    DOTPROD FP16_VECTOR_ARITHMETIC MATMUL_INT8)
            ggml_add_cpu_backend_variant(android_armv9.0_1    DOTPROD MATMUL_INT8 FP16_VECTOR_ARITHMETIC SVE2)
-            ggml_add_cpu_backend_variant(android_armv9.2_1    DOTPROD MATMUL_INT8 FP16_VECTOR_ARITHMETIC SME)
-            ggml_add_cpu_backend_variant(android_armv9.2_2    DOTPROD MATMUL_INT8 FP16_VECTOR_ARITHMETIC SVE SME)
+            ggml_add_cpu_backend_variant(android_armv9.2_1    DOTPROD MATMUL_INT8 FP16_VECTOR_ARITHMETIC SVE SME)
+            ggml_add_cpu_backend_variant(android_armv9.2_2    DOTPROD MATMUL_INT8 FP16_VECTOR_ARITHMETIC SVE SVE2 SME)
        elseif (APPLE)
            ggml_add_cpu_backend_variant(apple_m1             DOTPROD)
            ggml_add_cpu_backend_variant(apple_m2_m3          DOTPROD MATMUL_INT8)
@@ -2053,7 +2053,7 @@ void ggml_backend_graph_copy_free(struct ggml_backend_graph_copy copy) {
    ggml_free(copy.ctx_unallocated);
 }

-bool ggml_backend_compare_graph_backend(ggml_backend_t backend1, ggml_backend_t backend2, struct ggml_cgraph * graph, ggml_backend_eval_callback callback, void * user_data, struct ggml_tensor * test_node) {
+bool ggml_backend_compare_graph_backend(ggml_backend_t backend1, ggml_backend_t backend2, struct ggml_cgraph * graph, ggml_backend_eval_callback callback, void * user_data, struct ggml_tensor const * const * test_nodes, size_t num_test_nodes) {
    struct ggml_backend_graph_copy copy = ggml_backend_graph_copy(backend2, graph);
    if (copy.buffer == NULL) {
        return false;
@@ -2064,22 +2064,22 @@ bool ggml_backend_compare_graph_backend(ggml_backend_t backend1, ggml_backend_t

    assert(g1->n_nodes == g2->n_nodes);

-    if (test_node != nullptr) {
-        // Compute the whole graph and only test the output for a specific tensor
+    if (num_test_nodes != 0) {
+        GGML_ASSERT(test_nodes);
+        // Compute the whole graph and only test the output for specific tensors
        ggml_backend_graph_compute(backend1, g1);
        ggml_backend_graph_compute(backend2, g2);

-        int test_node_idx = -1;
+        bool verified = false;
        for (int i = 0; i < g1->n_nodes; i++) {
-            struct ggml_tensor * t1 = g1->nodes[i];
-            if (t1 == test_node) {
-                test_node_idx = i;
-                break;
+            for (size_t j = 0; j < num_test_nodes; ++j) {
+                if (g1->nodes[i] == test_nodes[j]) {
+                    callback(i, g1->nodes[i], g2->nodes[i], user_data);
+                    verified = true;
+                }
            }
        }
-        GGML_ASSERT(test_node_idx != -1);
-
-        callback(test_node_idx, g1->nodes[test_node_idx], g2->nodes[test_node_idx], user_data);
+        GGML_ASSERT(verified);
    } else {
        for (int i = 0; i < g1->n_nodes; i++) {
            struct ggml_tensor * t1 = g1->nodes[i];
@@ -26,6 +26,7 @@
 #include "ggml.h"

 #include <aclnnop/aclnn_add.h>
+#include <aclnnop/aclnn_add_rms_norm.h>
 #include <aclnnop/aclnn_addcdiv.h>
 #include <aclnnop/aclnn_argmax.h>
 #include <aclnnop/aclnn_avgpool2d.h>
@@ -3805,3 +3806,57 @@ void ggml_cann_ssm_conv(ggml_backend_cann_context & ctx, ggml_tensor * dst) {
                            cubeMathType);
 }

+
+void ggml_cann_op_add_rms_norm_fused(ggml_backend_cann_context & ctx,
+                                     ggml_tensor *               add_node,
+                                     ggml_tensor *               rms_norm_node) {
+    // Get the two input tensors for ADD operation
+    ggml_tensor * x1 = add_node->src[0];
+    ggml_tensor * x2 = add_node->src[1];
+
+    // Create ACL tensors for the two ADD inputs
+    acl_tensor_ptr acl_x1 = ggml_cann_create_tensor(x1);
+    acl_tensor_ptr acl_x2 = ggml_cann_create_tensor(x2);
+
+    // Get epsilon parameter from rms_norm_tensor
+    float eps;
+    memcpy(&eps, rms_norm_node->op_params, sizeof(float));
+
+    // Build gamma tensor (RMS normalization scaling factor)
+    // Gamma should match the normalized dimensions (last dimension of x1)
+    size_t acl_gamma_nb[GGML_MAX_DIMS];
+    acl_gamma_nb[0] = ggml_type_size(rms_norm_node->type);
+    for (int i = 1; i < GGML_MAX_DIMS; i++) {
+        acl_gamma_nb[i] = acl_gamma_nb[i - 1] * x1->ne[i - 1];
+    }
+    acl_tensor_ptr acl_gamma =
+        get_cache_acl_tensor(ctx, &ctx.rms_norm_one_tensor_cache.cache, ctx.rms_norm_one_tensor_cache.size, x1->ne,
+                             acl_gamma_nb, rms_norm_node->type,
+                             1,    // dims - only the last dimension
+                             1.0f  // value
+        );
+
+    // Build rstdOut tensor (output for normalized standard deviation)
+    // Shape should be the dimensions that are NOT normalized
+    int64_t acl_rstd_ne[] = { 1, x1->ne[1], x1->ne[2], x1->ne[3] };
+    size_t  acl_rstd_nb[GGML_MAX_DIMS - 1];
+    acl_rstd_nb[0] = sizeof(float);
+    for (int i = 1; i < GGML_MAX_DIMS - 1; i++) {
+        acl_rstd_nb[i] = acl_rstd_nb[i - 1] * acl_rstd_ne[i - 1];
+    }
+    acl_tensor_ptr acl_rstd =
+        get_cache_acl_tensor(ctx, &ctx.rms_norm_zero_tensor_cache.cache, ctx.rms_norm_zero_tensor_cache.size,
+                             acl_rstd_ne, acl_rstd_nb, GGML_TYPE_F32, GGML_MAX_DIMS,
+                             0.0f  // value
+        );
+
+    acl_tensor_ptr acl_xout = ggml_cann_create_tensor(add_node);
+
+    // Create yOut tensor (final output after RMS normalization)
+    acl_tensor_ptr acl_yout = ggml_cann_create_tensor(rms_norm_node);
+
+    // Call fused ADD + RMS_NORM operator
+    GGML_CANN_CALL_ACLNN_OP(ctx, AddRmsNorm, acl_x1.get(), acl_x2.get(), acl_gamma.get(),
+                            eps,  // double type
+                            acl_yout.get(), acl_rstd.get(), acl_xout.get());
+}
@@ -935,6 +935,20 @@ template <typename... Args> void register_acl_resources(std::vector<any_acl_reso
 */
 void ggml_cann_mul_mat_id(ggml_backend_cann_context & ctx, ggml_tensor * dst);

+/**
+ * @brief Performs fused ADD + RMS_NORM operation using the CANN backend.
+ *
+ * This function fuses the ADD and RMS_NORM operations into a single kernel call
+ * for better performance. It first adds two input tensors (x1 + x2), then applies
+ * RMS normalization to the result.
+ *
+ * @param ctx The context for the CANN backend operations.
+ * @param dst The ADD operation node, contains the two input tensors to be added.
+ * @param rms_norm_tensor The RMS_NORM operation node, contains the gamma weights
+ *                        and epsilon parameter.
+ */
+void ggml_cann_op_add_rms_norm_fused(ggml_backend_cann_context & ctx, ggml_tensor * add_node, ggml_tensor * rms_norm_node);
+
 /**
 * @brief   Check whether a tensor is a weight tensor for matrix multiplication.
 *
@@ -122,7 +122,7 @@ std::optional<std::string> get_env(const std::string & name) {
 * @brief Verify whether the environment variable is a valid value.
 */
 bool parse_bool(const std::string & value) {
-    std::unordered_set<std::string> valid_values = { "on", "1", "yes", "y", "enable", "true" };
+    static const std::unordered_set<std::string> valid_values = { "on", "1", "yes", "y", "enable", "true" };
    return valid_values.find(value) != valid_values.end();
 }

@@ -1888,6 +1888,7 @@ static bool ggml_cann_compute_forward(ggml_backend_cann_context & ctx, struct gg
            break;
        case GGML_OP_OUT_PROD:
            ggml_cann_out_prod(ctx, dst);
+            break;
        case GGML_OP_SSM_CONV:
            ggml_cann_ssm_conv(ctx, dst);
            break;
@@ -2077,6 +2078,40 @@ static void ggml_backend_cann_synchronize(ggml_backend_t backend) {
    ACL_CHECK(aclrtSynchronizeStream(cann_ctx->stream()));
 }

+/**
+ * @brief Check if CANN backend can fuse the specified operation sequence
+ *
+ * This function determines whether an operation sequence starting from the specified node
+ * can be fused into an optimized operation in the CANN backend. Operation fusion can reduce
+ * memory access overhead and improve computational efficiency.
+ *
+ * @param cgraph Pointer to the computation graph
+ * @param node_idx Index of the starting node in the computation graph
+ * @param ops Sequence of operation types to check for fusion
+ * @return true if the operations can be fused
+ * @return false if the operations cannot be fused
+ */
+static bool ggml_cann_can_fuse(const struct ggml_cgraph *          cgraph,
+                               int                                 node_idx,
+                               std::initializer_list<enum ggml_op> ops) {
+    if (!ggml_can_fuse(cgraph, node_idx, ops)) {
+        return false;
+    }
+
+    // CANN backend supports fusing ADD + RMS_NORM operations
+    if ((ops.size() == 2) && ops.begin()[0] == GGML_OP_ADD && ops.begin()[1] == GGML_OP_RMS_NORM) {
+        ggml_tensor * add_node = cgraph->nodes[node_idx];
+        // TODO: support broadcast for ADD + RMS_NORM
+        if (add_node->src[0]->ne[0] != add_node->src[1]->ne[0] || add_node->src[0]->ne[1] != add_node->src[1]->ne[1] ||
+            add_node->src[0]->ne[2] != add_node->src[1]->ne[2] || add_node->src[0]->ne[3] != add_node->src[1]->ne[3]) {
+            return false;
+        }
+        return true;
+    }
+
+    return false;
+}
+
 /**
 * @brief Evaluate the computation graph and optionally capture or execute it using CANN graph API.
 *
@@ -2101,9 +2136,18 @@ static void evaluate_and_capture_cann_graph(ggml_backend_cann_context * cann_ctx
 #endif  // USE_ACL_GRAPH
    // Only perform the graph execution if CANN graphs are not enabled, or we are capturing the graph.
    // With the use of CANN graphs, the execution will be performed by the graph launch.
+    static bool opt_fusion = parse_bool(get_env("GGML_CANN_OPERATOR_FUSION").value_or(""));
+
    if (!use_cann_graph || cann_graph_capture_required) {
        for (int i = 0; i < cgraph->n_nodes; i++) {
            ggml_tensor * node = cgraph->nodes[i];
+            if (opt_fusion) {
+                if (ggml_cann_can_fuse(cgraph, i, { GGML_OP_ADD, GGML_OP_RMS_NORM })) {
+                    ggml_cann_op_add_rms_norm_fused(*cann_ctx, node, cgraph->nodes[i + 1]);
+                    i++;
+                    continue;
+                }
+            }

            if (ggml_is_empty(node) || node->op == GGML_OP_RESHAPE || node->op == GGML_OP_TRANSPOSE ||
                node->op == GGML_OP_VIEW || node->op == GGML_OP_PERMUTE || node->op == GGML_OP_NONE) {
@@ -561,9 +561,9 @@ function(ggml_add_cpu_backend_variant_impl tag_name)

        # Fetch KleidiAI sources:
        include(FetchContent)
-        set(KLEIDIAI_COMMIT_TAG "v1.14.0")
+        set(KLEIDIAI_COMMIT_TAG "v1.16.0")
        set(KLEIDIAI_DOWNLOAD_URL "https://github.com/ARM-software/kleidiai/archive/refs/tags/${KLEIDIAI_COMMIT_TAG}.tar.gz")
-        set(KLEIDIAI_ARCHIVE_MD5  "45e110675d93f99f82c23a1afcca76bc")
+        set(KLEIDIAI_ARCHIVE_MD5  "0a9e9008adb6031f9e8cf70dff4a3321")

        if (POLICY CMP0135)
            cmake_policy(SET CMP0135 NEW)
@@ -615,6 +615,7 @@ function(ggml_add_cpu_backend_variant_impl tag_name)
        string(FIND "${ARCH_FLAGS_TEMP}" "+dotprod" DOTPROD_ENABLED)
        string(FIND "${ARCH_FLAGS_TEMP}" "+i8mm" I8MM_ENABLED)
        string(FIND "${ARCH_FLAGS_TEMP}" "+sme" SME_ENABLED)
+        string(FIND "${ARCH_FLAGS_TEMP}" "+sve" SVE_ENABLED)

        set(PRIVATE_ARCH_FLAGS ${ARCH_FLAGS_TEMP})

@@ -659,6 +660,15 @@ function(ggml_add_cpu_backend_variant_impl tag_name)
            set(PRIVATE_ARCH_FLAGS "-fno-tree-vectorize;${PRIVATE_ARCH_FLAGS}+sve+sve2")
        endif()

+        if (NOT SVE_ENABLED MATCHES -1)
+            list(APPEND GGML_KLEIDIAI_SOURCES
+                ${KLEIDIAI_SRC}/kai/kai_common_sve_asm.S
+                ${KLEIDIAI_SRC}/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod_asm.S
+                ${KLEIDIAI_SRC}/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod.c
+                ${KLEIDIAI_SRC}/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm_asm.S
+                ${KLEIDIAI_SRC}/kai/ukernels/matmul/matmul_clamp_f32_qsi8d32p_qsi4c32p/kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm.c)
+        endif()
+
        set_source_files_properties(${GGML_KLEIDIAI_SOURCES} PROPERTIES COMPILE_OPTIONS "${PRIVATE_ARCH_FLAGS}")
        list(APPEND GGML_CPU_SOURCES ${GGML_KLEIDIAI_SOURCES})
    endif()
@@ -18,6 +18,8 @@
 #include "kai_matmul_clamp_f32_qai8dxp1x4_qsi8cxp4x4_1x4_neon_dotprod.h"
 #include "kai_matmul_clamp_f32_qai8dxp4x4_qsi8cxp4x4_16x4_neon_dotprod.h"
 #include "kai_matmul_clamp_f32_qai8dxp4x8_qsi8cxp4x8_16x4_neon_i8mm.h"
+#include "kai_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm.h"
+#include "kai_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod.h"

 #include "kai_lhs_pack_bf16p2vlx2_f32_sme.h"
 #include "kai_lhs_quant_pack_qsi8d32p_f32.h"
@@ -69,9 +71,9 @@ static inline void kernel_run_fn10(size_t m, size_t n, size_t k, size_t /*bl*/,

 template<void(*Fn)(size_t,size_t,size_t,const void*,const void*,float*,size_t,size_t,float,float)>
 static inline void kernel_run_float_fn10(size_t m, size_t n, size_t k, size_t /*bl*/,
-                                     const void* lhs, const void* rhs, void* dst,
-                                     size_t dst_stride_row, size_t dst_stride_col,
-                                     float clamp_min, float clamp_max) {
+                                         const void* lhs, const void* rhs, void* dst,
+                                         size_t dst_stride_row, size_t dst_stride_col,
+                                         float clamp_min, float clamp_max) {
    Fn(m, n, k, lhs, rhs, static_cast<float*>(dst), dst_stride_row, dst_stride_col, clamp_min, clamp_max);
 }

@@ -152,8 +154,8 @@ static inline void rhs_pack_fn12(size_t num_groups, size_t n, size_t k, size_t n

 template<void(*Fn)(size_t,size_t,size_t,size_t,size_t,size_t,const int8_t*,const float*,const float*,void*,size_t,const struct kai_rhs_pack_qsi8cx_params*)>
 static inline void rhs_pack_scale_fn12(size_t num_groups, size_t n, size_t k, size_t nr, size_t kr, size_t sr, size_t /*bl*/,
-                                               size_t /*rhs_stride*/, const void* rhs, const void* bias, const void* scale,
-                                               void* rhs_packed, size_t extra_bytes, const void* params) {
+                                       size_t /*rhs_stride*/, const void* rhs, const void* bias, const void* scale,
+                                       void* rhs_packed, size_t extra_bytes, const void* params) {
    Fn(num_groups, n, k, nr, kr, sr,
       static_cast<const int8_t*>(rhs),
       static_cast<const float*>(bias),
@@ -524,6 +526,61 @@ static ggml_kleidiai_kernels gemm_gemv_kernels[] = {
    },
 #endif
 #else
+#if defined(__ARM_FEATURE_SVE)
+    {
+        /* SVE i8mm GEMM */
+        /* .kern_info = */ {
+            /* .get_m_step            = */ kai_get_m_step_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm,
+            /* .get_n_step            = */ kai_get_n_step_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm,
+            /* .get_mr                = */ kai_get_mr_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm,
+            /* .get_nr                = */ kai_get_nr_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm,
+            /* .get_kr                = */ kai_get_kr_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm,
+            /* .get_sr                = */ kai_get_sr_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm,
+            /* .get_dst_offset        = */ kai_get_dst_offset_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm,
+            /* .get_dst_size          = */ kai_get_dst_size_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm,
+            /* .get_lhs_offset_ex     = */ &kernel_offs_fn3<kai_get_lhs_packed_offset_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm>,
+            /* .get_rhs_packed_offset_ex = */ &kernel_offs_fn3<kai_get_rhs_packed_offset_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm>,
+            /* .run_kernel_ex         = */ &kernel_run_fn11<kai_run_matmul_clamp_f32_qsi8d32p4x8_qsi4c32p8x8_16x8_sve_i8mm>,
+        },
+        /* .gemm_lhs_info = */ {
+            /* .get_offset            = */ kai_get_lhs_offset_lhs_quant_pack_qsi8d32p4x8sb_f32_neon,
+            /* .get_packed_offset_ex  = */ &lhs_offs_fn6<kai_get_lhs_packed_offset_lhs_quant_pack_qsi8d32p4x8sb_f32_neon>,
+            /* .packed_size_ex        = */ &lhs_ps_fn6<kai_get_lhs_packed_size_lhs_quant_pack_qsi8d32p4x8sb_f32_neon>,
+            /* .pack_func_ex          = */ &lhs_pack_float_fn10<kai_run_lhs_quant_pack_qsi8d32p4x8sb_f32_neon>,
+        },
+        /* SVE dotprod GEMV */
+        /* .kern_info = */ {
+            /* .get_m_step            = */ kai_get_m_step_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod,
+            /* .get_n_step            = */ kai_get_n_step_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod,
+            /* .get_mr                = */ kai_get_mr_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod,
+            /* .get_nr                = */ kai_get_nr_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod,
+            /* .get_kr                = */ kai_get_kr_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod,
+            /* .get_sr                = */ kai_get_sr_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod,
+            /* .get_dst_offset        = */ kai_get_dst_offset_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod,
+            /* .get_dst_size          = */ kai_get_dst_size_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod,
+            /* .get_lhs_offset_ex     = */ &kernel_offs_fn3<kai_get_lhs_packed_offset_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod>,
+            /* .get_rhs_packed_offset_ex = */ &kernel_offs_fn3<kai_get_rhs_packed_offset_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod>,
+            /* .run_kernel_ex         = */ &kernel_run_fn11<kai_run_matmul_clamp_f32_qsi8d32p1x8_qsi4c32p8x8_1x8_sve_dotprod>,
+        },
+        /* .gemv_lhs_info = */ {
+            /* .get_offset            = */ kai_get_lhs_offset_lhs_quant_pack_qsi8d32p_f32,
+            /* .get_packed_offset_ex  = */ &lhs_offs_fn6<kai_get_lhs_packed_offset_lhs_quant_pack_qsi8d32p_f32>,
+            /* .packed_size_ex        = */ &lhs_ps_fn6<kai_get_lhs_packed_size_lhs_quant_pack_qsi8d32p_f32>,
+            /* .pack_func_ex          = */ &lhs_pack_float_fn10<kai_run_lhs_quant_pack_qsi8d32p_f32>,
+        },
+        /* .rhs_info = */ {
+            /* .packed_stride         = */ kai_get_rhs_packed_stride_rhs_pack_nxk_qsi4c32pscalef16_qsu4c32s16s0,
+            /* .to_float              = */ dequantize_row_qsi4c32pscalef16,
+            /* .packed_size_ex        = */ &rhs_ps_fn5<kai_get_rhs_packed_size_rhs_pack_nxk_qsi4c32pscalef16_qsu4c32s16s0>,
+            /* .packed_stride_ex      = */ &rhs_stride_fn4<kai_get_rhs_packed_stride_rhs_pack_nxk_qsi4c32pscalef16_qsu4c32s16s0>,
+            /* .pack_func_ex          = */ &rhs_pack_fn12<kai_run_rhs_pack_nxk_qsi4c32pscalef16_qsu4c32s16s0>,
+        },
+        /* .required_cpu       = */ CPU_FEATURE_SVE | CPU_FEATURE_I8MM | CPU_FEATURE_DOTPROD,
+        /* .lhs_type           = */ GGML_TYPE_F32,
+        /* .rhs_type           = */ GGML_TYPE_Q4_0,
+        /* .op_type            = */ GGML_TYPE_F32,
+    },
+#endif
 #if defined(__ARM_FEATURE_MATMUL_INT8)
    {
        /* i8mm GEMM */
@@ -578,7 +635,7 @@ static ggml_kleidiai_kernels gemm_gemv_kernels[] = {
        /* .rhs_type           = */ GGML_TYPE_Q4_0,
        /* .op_type            = */ GGML_TYPE_F32,
    },
-#endif
+#endif // __ARM_FEATURE_MATMUL_INT8
 #if defined(__ARM_FEATURE_DOTPROD)
    {
        /* DOTPROD GEMM */
@@ -811,26 +868,27 @@ ggml_kleidiai_kernels * ggml_kleidiai_select_kernels(cpu_feature cpu_features, c
    ggml_kleidiai_kernels * kernel = nullptr;

    if (tensor->op == GGML_OP_MUL_MAT && tensor->src[0] != nullptr && tensor->src[1] != nullptr) {
-#if defined(__ARM_FEATURE_SME) || defined(__ARM_FEATURE_DOTPROD) || defined(__ARM_FEATURE_MATMUL_INT8)
-        for (size_t i = 0; i < NELEMS(gemm_gemv_kernels) - 1; ++i) {
-            if ((cpu_features & gemm_gemv_kernels[i].required_cpu) == gemm_gemv_kernels[i].required_cpu &&
-                gemm_gemv_kernels[i].lhs_type == tensor->src[1]->type &&
-                gemm_gemv_kernels[i].rhs_type == tensor->src[0]->type &&
-                gemm_gemv_kernels[i].op_type  == tensor->type) {
-                kernel = &gemm_gemv_kernels[i];
-                break;
-            }
-        }
-        if (!kernel) {
-            for (size_t i = 0; i < NELEMS(gemm_gemv_kernels_q8) - 1; ++i) {
-                if ((cpu_features & gemm_gemv_kernels_q8[i].required_cpu) == gemm_gemv_kernels_q8[i].required_cpu &&
-                    gemm_gemv_kernels_q8[i].lhs_type == tensor->src[1]->type &&
-                    gemm_gemv_kernels_q8[i].rhs_type == tensor->src[0]->type &&
-                    gemm_gemv_kernels_q8[i].op_type  == tensor->type) {
-                    kernel = &gemm_gemv_kernels_q8[i];
-                    break;
+#if defined(__ARM_FEATURE_SME)          ||  \
+    defined(__ARM_FEATURE_DOTPROD)      ||  \
+    defined(__ARM_FEATURE_MATMUL_INT8)  ||  \
+    defined(__ARM_FEATURE_SVE)
+        auto try_table = [&](auto & table) {
+            for (size_t i = 0; i < NELEMS(table) - 1; ++i) {
+                if ((cpu_features & table[i].required_cpu) == table[i].required_cpu &&
+                    table[i].lhs_type == tensor->src[1]->type &&
+                    table[i].rhs_type == tensor->src[0]->type &&
+                    table[i].op_type  == tensor->type) {
+                    kernel = &table[i];
+                    return true;
                }
            }
+            return false;
+        };
+
+        if (tensor->src[0]->type == GGML_TYPE_Q8_0) {
+            try_table(gemm_gemv_kernels_q8);
+        } else {
+            try_table(gemm_gemv_kernels);
        }
 #else
    GGML_UNUSED(gemm_gemv_kernels);
@@ -845,7 +903,10 @@ ggml_kleidiai_kernels * ggml_kleidiai_select_kernels(cpu_feature cpu_features, c
 ggml_kleidiai_kernels * ggml_kleidiai_select_kernels_q4_0(cpu_feature features) {
    ggml_kleidiai_kernels * kernels = nullptr;

-#if defined(__ARM_FEATURE_SME) || defined(__ARM_FEATURE_DOTPROD) || defined(__ARM_FEATURE_MATMUL_INT8)
+#if defined(__ARM_FEATURE_SME)          ||  \
+    defined(__ARM_FEATURE_DOTPROD)      ||  \
+    defined(__ARM_FEATURE_MATMUL_INT8)  ||  \
+    defined(__ARM_FEATURE_SVE)
    for (size_t i = 0; i < NELEMS(gemm_gemv_kernels) - 1; ++i) {
        if ((features & gemm_gemv_kernels[i].required_cpu) == gemm_gemv_kernels[i].required_cpu) {
            kernels = &gemm_gemv_kernels[i];
@@ -46,13 +46,20 @@ struct ggml_kleidiai_context {
 } static ctx = { CPU_FEATURE_NONE, NULL, NULL };

 static const char* cpu_feature_to_string(cpu_feature f) {
-    switch (f) {
-        case CPU_FEATURE_NONE:    return "NONE";
-        case CPU_FEATURE_DOTPROD: return "DOTPROD";
-        case CPU_FEATURE_I8MM:    return "I8MM";
-        case CPU_FEATURE_SVE:     return "SVE";
-        case CPU_FEATURE_SME:     return "SME";
-        default:                  return "UNKNOWN";
+    if (f == CPU_FEATURE_NONE) {
+        return "NONE";
+    } else if ((f & CPU_FEATURE_SME) == CPU_FEATURE_SME) {
+        return "SME";
+    } else if ((f & CPU_FEATURE_SVE) == CPU_FEATURE_SVE) {
+        return "SVE";
+    }
+    else if ((f & CPU_FEATURE_I8MM) == CPU_FEATURE_I8MM) {
+        return "I8MM";
+    } else if ((f & CPU_FEATURE_DOTPROD) == CPU_FEATURE_DOTPROD) {
+        return "DOTPROD";
+    }
+    else {
+        return "UNKNOWN";
    }
 }

@@ -68,7 +75,7 @@ static void init_kleidiai_context(void) {

        ctx.features  = (ggml_cpu_has_dotprod()     ? CPU_FEATURE_DOTPROD : CPU_FEATURE_NONE) |
                        (ggml_cpu_has_matmul_int8() ? CPU_FEATURE_I8MM    : CPU_FEATURE_NONE) |
-                        (ggml_cpu_has_sve()         ? CPU_FEATURE_SVE     : CPU_FEATURE_NONE);
+                        ((ggml_cpu_has_sve() && ggml_cpu_get_sve_cnt() == QK8_0) ? CPU_FEATURE_SVE : CPU_FEATURE_NONE);

        if (env_var) {
            sme_enabled = atoi(env_var);
@@ -51,36 +51,50 @@ if (CUDAToolkit_FOUND)
            endif()
        endif()
    endif()
-    message(STATUS "Using CUDA architectures: ${CMAKE_CUDA_ARCHITECTURES}")

    enable_language(CUDA)

-    # Replace any 12x-real architectures with 12x{a}-real. FP4 ptx instructions are not available in just 12x
-    if (GGML_NATIVE)
-        set(PROCESSED_ARCHITECTURES "")
-        if (CMAKE_CUDA_ARCHITECTURES_NATIVE)
-            set(ARCH_LIST ${CMAKE_CUDA_ARCHITECTURES_NATIVE})
-        else()
-            set(ARCH_LIST ${CMAKE_CUDA_ARCHITECTURES})
-        endif()
-        foreach(ARCH ${ARCH_LIST})
-            if (ARCH MATCHES "^12[0-9](-real|-virtual)?$")
-                string(REGEX REPLACE "^(12[0-9]).*$" "\\1" BASE_ARCH ${ARCH})
-                message(STATUS "Replacing ${ARCH} with ${BASE_ARCH}a-real")
-                list(APPEND PROCESSED_ARCHITECTURES "${BASE_ARCH}a-real")
-            else()
-                list(APPEND PROCESSED_ARCHITECTURES ${ARCH})
-            endif()
-        endforeach()
-        set(CMAKE_CUDA_ARCHITECTURES ${PROCESSED_ARCHITECTURES})
-    else()
-        foreach(ARCH ${CMAKE_CUDA_ARCHITECTURES})
-            if(ARCH MATCHES "^12[0-9](-real|-virtual)?$")
-                message(FATAL_ERROR "Compute capability ${ARCH} used, use ${ARCH}a or ${ARCH}f for Blackwell-specific optimizations")
-            endif()
-        endforeach()
+    # TODO: Remove once CCCL 3.2 has been released and bundled with CUDA Toolkit
+    if (GGML_CUDA_CUB_3DOT2)
+        include(FetchContent)
+
+        FetchContent_Declare(
+            CCCL
+            GIT_REPOSITORY https://github.com/nvidia/cccl.git
+            GIT_TAG        v3.2.0-rc2
+            GIT_SHALLOW    TRUE
+        )
+
+        FetchContent_MakeAvailable(CCCL)
    endif()

+    # Replace any plain 12X CUDA architectures with their "architecture-specific" equivalents 12Xa.
+    # 12X is forwards-compatible, 12Xa is not.
+    # Notably the Blackwell FP4 tensor core instructions are not forwards compatible and therefore need 12Xa.
+    # But while 12X vs. 12Xa can be checked in device code there is (to my knowledge) no easy way to do the same check in host code.
+    # So for now just replace all instances of 12X with 12Xa, this should be fine until Rubin is released.
+    foreach(ARCHS IN ITEMS CMAKE_CUDA_ARCHITECTURES CMAKE_CUDA_ARCHITECTURES_NATIVE)
+        set(FIXED_ARCHS "")
+        foreach(ARCH IN LISTS ${ARCHS})
+            if (ARCH MATCHES "^12[0-9](-real|-virtual)?$")
+                string(REGEX REPLACE "^(12[0-9])((-real|-virtual)?)$" "\\1a\\2" FIXED_ARCH ${ARCH})
+                message(STATUS "Replacing ${ARCH} in ${ARCHS} with ${FIXED_ARCH}")
+                list(APPEND FIXED_ARCHS "${FIXED_ARCH}")
+            else()
+                list(APPEND FIXED_ARCHS "${ARCH}")
+            endif()
+        endforeach()
+        set(${ARCHS} ${FIXED_ARCHS})
+    endforeach()
+
+    # If we try to compile a "native" build it will use the 12X architectures and fail.
+    # So we should instead use the native architectures as determined by CMake after replacing 12X with 12Xa.
+    # But if at the time of the build no GPUs are connected at all CMAKE_CUDA_ARCHITECTURES will contain garbage that we should not use.
+    if (CMAKE_CUDA_ARCHITECTURES STREQUAL "native" AND CMAKE_CUDA_ARCHITECTURES_NATIVE MATCHES "^[0-9]+(a|f)?(-real|-virtual)?(;[0-9]+(a|f)?(-real|-virtual)?|;)*$")
+        set(CMAKE_CUDA_ARCHITECTURES ${CMAKE_CUDA_ARCHITECTURES_NATIVE})
+    endif()
+    message(STATUS "Using CMAKE_CUDA_ARCHITECTURES=${CMAKE_CUDA_ARCHITECTURES} CMAKE_CUDA_ARCHITECTURES_NATIVE=${CMAKE_CUDA_ARCHITECTURES_NATIVE}")
+
    file(GLOB   GGML_HEADERS_CUDA "*.cuh")
    list(APPEND GGML_HEADERS_CUDA "../../include/ggml-cuda.h")

@@ -143,6 +157,9 @@ if (CUDAToolkit_FOUND)
            # As of 12.3.1 CUDA Toolkit for Windows does not offer a static cublas library
            target_link_libraries(ggml-cuda PRIVATE CUDA::cudart_static CUDA::cublas)
        else ()
+            if (GGML_CUDA_CUB_3DOT2)
+                target_link_libraries(ggml-cuda PRIVATE  CCCL::CCCL)
+            endif()
            if (CUDAToolkit_VERSION VERSION_GREATER_EQUAL "10.1")
                target_link_libraries(ggml-cuda PRIVATE  CUDA::cudart_static CUDA::cublas_static CUDA::cublasLt_static)
            else()
@@ -150,6 +167,9 @@ if (CUDAToolkit_FOUND)
            endif()
        endif()
    else()
+        if (GGML_CUDA_CUB_3DOT2)
+            target_link_libraries(ggml-cuda PRIVATE  CCCL::CCCL)
+        endif()
        target_link_libraries(ggml-cuda PRIVATE CUDA::cudart CUDA::cublas)
    endif()

@@ -218,6 +238,10 @@ if (CUDAToolkit_FOUND)

    if (NOT MSVC)
        list(APPEND CUDA_CXX_FLAGS -Wno-pedantic)
+    else()
+        # CCCL 3.2 onwards will require a cpp-standard-compliant preprocessor for MSVC
+        # https://github.com/NVIDIA/cccl/pull/6827
+        list(APPEND CUDA_CXX_FLAGS /Zc:preprocessor)
    endif()

    list(JOIN   CUDA_CXX_FLAGS " " CUDA_CXX_FLAGS_JOINED)  # pass host compiler flags as a single argument
@@ -22,13 +22,13 @@ static __global__ void init_offsets(int * offsets, const int ncols, const int nr
 }

 #ifdef GGML_CUDA_USE_CUB
-static void argsort_f32_i32_cuda_cub(ggml_cuda_pool & pool,
-                                     const float *    x,
-                                     int *            dst,
-                                     const int        ncols,
-                                     const int        nrows,
-                                     ggml_sort_order  order,
-                                     cudaStream_t     stream) {
+void argsort_f32_i32_cuda_cub(ggml_cuda_pool & pool,
+                              const float *    x,
+                              int *            dst,
+                              const int        ncols,
+                              const int        nrows,
+                              ggml_sort_order  order,
+                              cudaStream_t     stream) {
    ggml_cuda_pool_alloc<int>   temp_indices_alloc(pool, ncols * nrows);
    ggml_cuda_pool_alloc<float> temp_keys_alloc(pool, ncols * nrows);
    ggml_cuda_pool_alloc<int>   offsets_alloc(pool, nrows + 1);
@@ -49,28 +49,49 @@ static void argsort_f32_i32_cuda_cub(ggml_cuda_pool & pool,
    size_t temp_storage_bytes = 0;

    if (order == GGML_SORT_ORDER_ASC) {
-        DeviceSegmentedRadixSort::SortPairs(nullptr, temp_storage_bytes, temp_keys, temp_keys,  // keys (in-place)
-                                            temp_indices, dst,                                  // values (indices)
-                                            ncols * nrows, nrows,                            // num items, num segments
-                                            d_offsets, d_offsets + 1, 0, sizeof(float) * 8,  // all bits
-                                            stream);
+        if (nrows == 1) {
+            DeviceRadixSort::SortPairs(nullptr, temp_storage_bytes, temp_keys, temp_keys,  // keys (in-place)
+                                       temp_indices, dst,                                  // values (indices)
+                                       ncols, 0, sizeof(float) * 8, stream);
+        } else {
+            DeviceSegmentedSort::SortPairs(nullptr, temp_storage_bytes, temp_keys, temp_keys,  // keys (in-place)
+                                           temp_indices, dst,                                  // values (indices)
+                                           ncols * nrows, nrows,  // num items, num segments
+                                           d_offsets, d_offsets + 1, stream);
+        }
    } else {
-        DeviceSegmentedRadixSort::SortPairsDescending(nullptr, temp_storage_bytes, temp_keys, temp_keys, temp_indices,
-                                                      dst, ncols * nrows, nrows, d_offsets, d_offsets + 1, 0,
-                                                      sizeof(float) * 8, stream);
+        if (nrows == 1) {
+            DeviceRadixSort::SortPairsDescending(nullptr, temp_storage_bytes, temp_keys, temp_keys,  // keys (in-place)
+                                                 temp_indices, dst,                                  // values (indices)
+                                                 ncols, 0, sizeof(float) * 8, stream);
+        } else {
+            DeviceSegmentedSort::SortPairsDescending(nullptr, temp_storage_bytes, temp_keys, temp_keys, temp_indices,
+                                                     dst, ncols * nrows, nrows, d_offsets, d_offsets + 1, stream);
+        }
    }

    ggml_cuda_pool_alloc<uint8_t> temp_storage_alloc(pool, temp_storage_bytes);
    void *                        d_temp_storage = temp_storage_alloc.get();

    if (order == GGML_SORT_ORDER_ASC) {
-        DeviceSegmentedRadixSort::SortPairs(d_temp_storage, temp_storage_bytes, temp_keys, temp_keys, temp_indices, dst,
-                                            ncols * nrows, nrows, d_offsets, d_offsets + 1, 0, sizeof(float) * 8,
-                                            stream);
+        if (nrows == 1) {
+            DeviceRadixSort::SortPairs(d_temp_storage, temp_storage_bytes, temp_keys, temp_keys,  // keys (in-place)
+                                       temp_indices, dst,  // values (indices)
+                                       ncols, 0, sizeof(float) * 8, stream);
+        } else {
+            DeviceSegmentedSort::SortPairs(d_temp_storage, temp_storage_bytes, temp_keys, temp_keys, temp_indices, dst,
+                                           ncols * nrows, nrows, d_offsets, d_offsets + 1, stream);
+        }
    } else {
-        DeviceSegmentedRadixSort::SortPairsDescending(d_temp_storage, temp_storage_bytes, temp_keys, temp_keys,
-                                                      temp_indices, dst, ncols * nrows, nrows, d_offsets, d_offsets + 1,
-                                                      0, sizeof(float) * 8, stream);
+        if (nrows == 1) {
+            DeviceRadixSort::SortPairsDescending(d_temp_storage, temp_storage_bytes, temp_keys, temp_keys,  // keys (in-place)
+                                                 temp_indices, dst,                                  // values (indices)
+                                                 ncols, 0, sizeof(float) * 8, stream);
+        } else {
+            DeviceSegmentedSort::SortPairsDescending(d_temp_storage, temp_storage_bytes, temp_keys, temp_keys,
+                                                     temp_indices, dst, ncols * nrows, nrows, d_offsets, d_offsets + 1,
+                                                     stream);
+        }
    }
 }
 #endif  // GGML_CUDA_USE_CUB
@@ -141,12 +162,12 @@ static int next_power_of_2(int x) {
    return n;
 }

-static void argsort_f32_i32_cuda_bitonic(const float *   x,
-                                         int *           dst,
-                                         const int       ncols,
-                                         const int       nrows,
-                                         ggml_sort_order order,
-                                         cudaStream_t    stream) {
+void argsort_f32_i32_cuda_bitonic(const float *   x,
+                                  int *           dst,
+                                  const int       ncols,
+                                  const int       nrows,
+                                  ggml_sort_order order,
+                                  cudaStream_t    stream) {
    // bitonic sort requires ncols to be power of 2
    const int ncols_pad = next_power_of_2(ncols);

@@ -1,3 +1,19 @@
 #include "common.cuh"

 void ggml_cuda_op_argsort(ggml_backend_cuda_context & ctx, ggml_tensor * dst);
+
+#ifdef GGML_CUDA_USE_CUB
+void argsort_f32_i32_cuda_cub(ggml_cuda_pool & pool,
+                              const float *    x,
+                              int *            dst,
+                              const int        ncols,
+                              const int        nrows,
+                              ggml_sort_order  order,
+                              cudaStream_t     stream);
+#endif  // GGML_CUDA_USE_CUB
+void argsort_f32_i32_cuda_bitonic(const float *   x,
+                                  int *           dst,
+                                  const int       ncols,
+                                  const int       nrows,
+                                  ggml_sort_order order,
+                                  cudaStream_t    stream);
@@ -950,15 +950,16 @@ struct ggml_cuda_device_info {
    int device_count;

    struct cuda_device_info {
-        int     cc;                 // compute capability
-        int     nsm;                // number of streaming multiprocessors
-        size_t  smpb;               // max. shared memory per block
-        size_t  smpbo;              // max. shared memory per block (with opt-in)
-        bool    integrated;         // Device is integrated as opposed to discrete
-        bool    vmm;                // virtual memory support
-        size_t  vmm_granularity;    // granularity of virtual memory
+        int     cc;                             // compute capability
+        int     nsm;                            // number of streaming multiprocessors
+        size_t  smpb;                           // max. shared memory per block
+        size_t  smpbo;                          // max. shared memory per block (with opt-in)
+        bool    integrated;                     // Device is integrated as opposed to discrete
+        bool    vmm;                            // virtual memory support
+        size_t  vmm_granularity;                // granularity of virtual memory
        size_t  total_vram;
-        int     warp_size;          // Number of threads in a dispatch
+        int     warp_size;                      // Number of threads in a dispatch
+        bool    supports_cooperative_launch;    // whether cooperative launch is supported
    };

    cuda_device_info devices[GGML_CUDA_MAX_DEVICES] = {};
@@ -1035,7 +1036,7 @@ struct ggml_tensor_extra_gpu {
 #define USE_CUDA_GRAPH
 #endif

-struct ggml_graph_node_properties {
+struct ggml_cuda_graph_node_properties {
    void * node_address;
    ggml_op node_op;
    int64_t ne[GGML_MAX_DIMS];
@@ -1058,12 +1059,27 @@ struct ggml_cuda_graph {
    cudaGraphExec_t instance = nullptr;
    size_t num_nodes = 0;
    std::vector<cudaGraphNode_t> nodes;
-    std::vector<cudaKernelNodeParams> params;
    bool disable_due_to_gpu_arch = false;
    bool disable_due_to_too_many_updates = false;
-    bool disable_due_to_failed_graph_capture = false;
    int number_consecutive_updates = 0;
-    std::vector<ggml_graph_node_properties> ggml_graph_properties;
+    std::vector<ggml_cuda_graph_node_properties> props;
+
+    void record_update(bool use_graph, bool update_required) {
+        if (use_graph && update_required) {
+            number_consecutive_updates++;
+        } else {
+            number_consecutive_updates = 0;
+        }
+        if (number_consecutive_updates >= 4) {
+            GGML_LOG_DEBUG("%s: disabling CUDA graphs due to too many consecutive updates\n", __func__);
+            disable_due_to_too_many_updates = true;
+        }
+    }
+
+    bool is_enabled() const {
+        static const bool disable_cuda_graphs_due_to_env = (getenv("GGML_CUDA_DISABLE_GRAPHS") != nullptr);
+        return !(disable_due_to_gpu_arch || disable_cuda_graphs_due_to_env || disable_due_to_too_many_updates);
+    }
 #endif
 };

@@ -12,11 +12,11 @@ const int CUDA_CPY_BLOCK_NM = 8;     // block size of 3rd dimension if available
 const int CUDA_CPY_BLOCK_ROWS = 8;   // block dimension for marching through rows

 template <cpy_kernel_t cpy_1>
-static __global__ void cpy_scalar(const char * cx, char * cdst, const int ne,
-                                  const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-                                  const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11,
-                                  const int nb12, const int nb13) {
-    const int64_t i = blockDim.x*blockIdx.x + threadIdx.x;
+static __global__ void cpy_scalar(const char * cx, char * cdst, const int64_t ne,
+                                  const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+                                  const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11,
+                                  const int64_t nb12, const int64_t nb13) {
+    const int64_t i = (int64_t)blockDim.x*blockIdx.x + threadIdx.x;

    if (i >= ne) {
        return;
@@ -40,10 +40,10 @@ static __global__ void cpy_scalar(const char * cx, char * cdst, const int ne,
 }

 template <typename T>
-static __global__ void cpy_scalar_transpose(const char * cx, char * cdst, const int ne,
-                               const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-                               const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11,
-                               const int nb12, const int nb13) {
+static __global__ void cpy_scalar_transpose(const char * cx, char * cdst, const int64_t ne,
+                               const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+                               const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11,
+                               const int64_t nb12, const int64_t nb13) {

    const T* src = reinterpret_cast<const T*>(cx);
    T* dst = reinterpret_cast<T*>(cdst);
@@ -117,60 +117,60 @@ static __device__ void cpy_blck_q_f32(const char * cxi, char * cdsti) {
 }

 template <cpy_kernel_t cpy_blck, int qk>
-static __global__ void cpy_f32_q(const char * cx, char * cdst, const int ne,
-                                 const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-                                 const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11,
-                                 const int nb12, const int nb13) {
-    const int i = (blockDim.x*blockIdx.x + threadIdx.x)*qk;
+static __global__ void cpy_f32_q(const char * cx, char * cdst, const int64_t ne,
+                                 const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+                                 const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11,
+                                 const int64_t nb12, const int64_t nb13) {
+    const int64_t i = ((int64_t)blockDim.x*blockIdx.x + threadIdx.x)*qk;

    if (i >= ne) {
        return;
    }

-    const int i03 = i/(ne00 * ne01 * ne02);
-    const int i02 = (i - i03*ne00*ne01*ne02 )/ (ne00*ne01);
-    const int i01 = (i - i03*ne00*ne01*ne02  -  i02*ne01*ne00) / ne00;
-    const int i00 = i - i03*ne00*ne01*ne02 - i02*ne01*ne00 - i01*ne00;
-    const int x_offset = i00*nb00 + i01*nb01 + i02*nb02 + i03 * nb03;
+    const int64_t i03 = i/(ne00 * ne01 * ne02);
+    const int64_t i02 = (i - i03*ne00*ne01*ne02 )/ (ne00*ne01);
+    const int64_t i01 = (i - i03*ne00*ne01*ne02  -  i02*ne01*ne00) / ne00;
+    const int64_t i00 = i - i03*ne00*ne01*ne02 - i02*ne01*ne00 - i01*ne00;
+    const int64_t x_offset = i00*nb00 + i01*nb01 + i02*nb02 + i03 * nb03;

-    const int i13 = i/(ne10 * ne11 * ne12);
-    const int i12 = (i - i13*ne10*ne11*ne12) / (ne10*ne11);
-    const int i11 = (i - i13*ne10*ne11*ne12 - i12*ne10*ne11) / ne10;
-    const int i10 = i - i13*ne10*ne11*ne12 - i12*ne10*ne11 - i11*ne10;
-    const int dst_offset = (i10/qk)*nb10 + i11*nb11 + i12*nb12 + i13*nb13;
+    const int64_t i13 = i/(ne10 * ne11 * ne12);
+    const int64_t i12 = (i - i13*ne10*ne11*ne12) / (ne10*ne11);
+    const int64_t i11 = (i - i13*ne10*ne11*ne12 - i12*ne10*ne11) / ne10;
+    const int64_t i10 = i - i13*ne10*ne11*ne12 - i12*ne10*ne11 - i11*ne10;
+    const int64_t dst_offset = (i10/qk)*nb10 + i11*nb11 + i12*nb12 + i13*nb13;

    cpy_blck(cx + x_offset, cdst + dst_offset);
 }

 template <cpy_kernel_t cpy_blck, int qk>
-static __global__ void cpy_q_f32(const char * cx, char * cdst, const int ne,
-                                 const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-                                 const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11,
-                                 const int nb12, const int nb13) {
-    const int i = (blockDim.x*blockIdx.x + threadIdx.x)*qk;
+static __global__ void cpy_q_f32(const char * cx, char * cdst, const int64_t ne,
+                                 const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+                                 const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11,
+                                 const int64_t nb12, const int64_t nb13) {
+    const int64_t i = ((int64_t)blockDim.x*blockIdx.x + threadIdx.x)*qk;

    if (i >= ne) {
        return;
    }

-    const int i03 = i/(ne00 * ne01 * ne02);
-    const int i02 = (i - i03*ne00*ne01*ne02 )/ (ne00*ne01);
-    const int i01 = (i - i03*ne00*ne01*ne02  -  i02*ne01*ne00) / ne00;
-    const int i00 = i - i03*ne00*ne01*ne02 - i02*ne01*ne00 - i01*ne00;
-    const int x_offset = (i00/qk)*nb00 + i01*nb01 + i02*nb02 + i03 * nb03;
+    const int64_t i03 = i/(ne00 * ne01 * ne02);
+    const int64_t i02 = (i - i03*ne00*ne01*ne02 )/ (ne00*ne01);
+    const int64_t i01 = (i - i03*ne00*ne01*ne02  -  i02*ne01*ne00) / ne00;
+    const int64_t i00 = i - i03*ne00*ne01*ne02 - i02*ne01*ne00 - i01*ne00;
+    const int64_t x_offset = (i00/qk)*nb00 + i01*nb01 + i02*nb02 + i03 * nb03;

-    const int i13 = i/(ne10 * ne11 * ne12);
-    const int i12 = (i - i13*ne10*ne11*ne12) / (ne10*ne11);
-    const int i11 = (i - i13*ne10*ne11*ne12 - i12*ne10*ne11) / ne10;
-    const int i10 = i - i13*ne10*ne11*ne12 - i12*ne10*ne11 - i11*ne10;
-    const int dst_offset = i10*nb10 + i11*nb11 + i12*nb12 + i13*nb13;
+    const int64_t i13 = i/(ne10 * ne11 * ne12);
+    const int64_t i12 = (i - i13*ne10*ne11*ne12) / (ne10*ne11);
+    const int64_t i11 = (i - i13*ne10*ne11*ne12 - i12*ne10*ne11) / ne10;
+    const int64_t i10 = i - i13*ne10*ne11*ne12 - i12*ne10*ne11 - i11*ne10;
+    const int64_t dst_offset = i10*nb10 + i11*nb11 + i12*nb12 + i13*nb13;

    cpy_blck(cx + x_offset, cdst + dst_offset);
 }

 template<typename src_t, typename dst_t>
 static __global__ void cpy_scalar_contiguous(const char * cx, char * cdst, const int64_t ne) {
-    const int64_t i = blockDim.x*blockIdx.x + threadIdx.x;
+    const int64_t i = (int64_t)blockDim.x*blockIdx.x + threadIdx.x;

    if (i >= ne) {
        return;
@@ -188,19 +188,20 @@ static void ggml_cpy_scalar_contiguous_cuda(
 cudaStream_t stream) {

    const int64_t num_blocks = (ne + CUDA_CPY_BLOCK_SIZE - 1) / CUDA_CPY_BLOCK_SIZE;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_scalar_contiguous<src_t, dst_t><<<num_blocks, CUDA_CPY_BLOCK_SIZE, 0, stream>>>
        (cx, cdst, ne);
 }

 template<typename src_t, typename dst_t, bool transposed = false>
 static void ggml_cpy_scalar_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11, const int nb12, const int nb13, cudaStream_t stream) {
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13, cudaStream_t stream) {

    if (transposed) {
        GGML_ASSERT(ne == ne00*ne01*ne02);  // ne[3] is 1 assumed
-        int ne00n, ne01n, ne02n;
+        int64_t ne00n, ne01n, ne02n;
        if (nb00 <= nb02) { // most likely safe to handle nb00 = nb02 case here
            ne00n = ne00;
            ne01n = ne01;
@@ -211,143 +212,159 @@ static void ggml_cpy_scalar_cuda(
            ne02n = 1;
        }

-        dim3 dimGrid( (ne01n + CUDA_CPY_TILE_DIM_2D - 1) / CUDA_CPY_TILE_DIM_2D,
-                      (ne00n + CUDA_CPY_TILE_DIM_2D - 1) / CUDA_CPY_TILE_DIM_2D,
-                      (ne/(ne01n*ne00n) + CUDA_CPY_BLOCK_NM - 1) / CUDA_CPY_BLOCK_NM);
+        int64_t grid_x = (ne01n + CUDA_CPY_TILE_DIM_2D - 1) / CUDA_CPY_TILE_DIM_2D;
+        int64_t grid_y = (ne00n + CUDA_CPY_TILE_DIM_2D - 1) / CUDA_CPY_TILE_DIM_2D;
+        int64_t grid_z = (ne/(ne01n*ne00n) + CUDA_CPY_BLOCK_NM - 1) / CUDA_CPY_BLOCK_NM;
+        GGML_ASSERT(grid_x < UINT_MAX);
+        GGML_ASSERT(grid_y < USHRT_MAX);
+        GGML_ASSERT(grid_z < USHRT_MAX);
+        dim3 dimGrid(grid_x, grid_y, grid_z);
        dim3 dimBlock(CUDA_CPY_TILE_DIM_2D, CUDA_CPY_BLOCK_ROWS, 1);
        cpy_scalar_transpose<dst_t><<<dimGrid, dimBlock, 0, stream>>>
            (cx, cdst, ne, ne00n, ne01n, ne02n, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13);
    } else {
-        const int num_blocks = (ne + CUDA_CPY_BLOCK_SIZE - 1) / CUDA_CPY_BLOCK_SIZE;
+        const int64_t num_blocks = (ne + CUDA_CPY_BLOCK_SIZE - 1) / CUDA_CPY_BLOCK_SIZE;
+        GGML_ASSERT(num_blocks < UINT_MAX);
        cpy_scalar<cpy_1_scalar<src_t, dst_t>><<<num_blocks, CUDA_CPY_BLOCK_SIZE, 0, stream>>>
            (cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13);
    }
 }

 static void ggml_cpy_f32_q8_0_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11, const int nb12, const int nb13, cudaStream_t stream) {
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13, cudaStream_t stream) {

    GGML_ASSERT(ne % QK8_0 == 0);
-    const int num_blocks = ne / QK8_0;
+    const int64_t num_blocks = ne / QK8_0;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_f32_q<cpy_blck_f32_q8_0, QK8_0><<<num_blocks, 1, 0, stream>>>
        (cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }

 static void ggml_cpy_q8_0_f32_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11, const int nb12, const int nb13, cudaStream_t stream) {
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13, cudaStream_t stream) {

-    const int num_blocks = ne;
+    const int64_t num_blocks = ne;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_q_f32<cpy_blck_q8_0_f32, QK8_0><<<num_blocks, 1, 0, stream>>>
        (cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }

 static void ggml_cpy_f32_q4_0_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11, const int nb12, const int nb13, cudaStream_t stream) {
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13, cudaStream_t stream) {

    GGML_ASSERT(ne % QK4_0 == 0);
-    const int num_blocks = ne / QK4_0;
+    const int64_t num_blocks = ne / QK4_0;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_f32_q<cpy_blck_f32_q4_0, QK4_0><<<num_blocks, 1, 0, stream>>>
        (cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }

 static void ggml_cpy_q4_0_f32_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02,
-    const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12,
-    const int nb10, const int nb11, const int nb12, const int nb13,
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02,
+    const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12,
+    const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13,
    cudaStream_t stream) {
-    const int num_blocks = ne;
+    const int64_t num_blocks = ne;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_q_f32<cpy_blck_q_f32<dequantize_q4_0, QK4_0>, QK4_0><<<num_blocks, 1, 0, stream>>>(
        cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03,
         ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }

 static void ggml_cpy_f32_q4_1_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11, const int nb12, const int nb13, cudaStream_t stream) {
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13, cudaStream_t stream) {

    GGML_ASSERT(ne % QK4_1 == 0);
-    const int num_blocks = ne / QK4_1;
+    const int64_t num_blocks = ne / QK4_1;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_f32_q<cpy_blck_f32_q4_1, QK4_1><<<num_blocks, 1, 0, stream>>>
        (cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }

 static void ggml_cpy_q4_1_f32_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02,
-    const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12,
-    const int nb10, const int nb11, const int nb12, const int nb13,
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02,
+    const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12,
+    const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13,
    cudaStream_t stream) {
-    const int num_blocks = ne;
+    const int64_t num_blocks = ne;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_q_f32<cpy_blck_q_f32<dequantize_q4_1, QK4_1>, QK4_1><<<num_blocks, 1, 0, stream>>>(
        cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03,
         ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }

 static void ggml_cpy_f32_q5_0_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11, const int nb12, const int nb13, cudaStream_t stream) {
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13, cudaStream_t stream) {

    GGML_ASSERT(ne % QK5_0 == 0);
-    const int num_blocks = ne / QK5_0;
+    const int64_t num_blocks = ne / QK5_0;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_f32_q<cpy_blck_f32_q5_0, QK5_0><<<num_blocks, 1, 0, stream>>>
        (cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }

 static void ggml_cpy_q5_0_f32_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02,
-    const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12,
-    const int nb10, const int nb11, const int nb12, const int nb13,
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02,
+    const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12,
+    const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13,
    cudaStream_t stream) {
-    const int num_blocks = ne;
+    const int64_t num_blocks = ne;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_q_f32<cpy_blck_q_f32<dequantize_q5_0, QK5_0>, QK5_0><<<num_blocks, 1, 0, stream>>>(
        cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03,
        ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }

 static void ggml_cpy_f32_q5_1_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11, const int nb12, const int nb13, cudaStream_t stream) {
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13, cudaStream_t stream) {

    GGML_ASSERT(ne % QK5_1 == 0);
-    const int num_blocks = ne / QK5_1;
+    const int64_t num_blocks = ne / QK5_1;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_f32_q<cpy_blck_f32_q5_1, QK5_1><<<num_blocks, 1, 0, stream>>>
        (cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }

 static void ggml_cpy_q5_1_f32_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02,
-    const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12,
-    const int nb10, const int nb11, const int nb12, const int nb13,
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02,
+    const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12,
+    const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13,
    cudaStream_t stream) {
-    const int num_blocks = ne;
+    const int64_t num_blocks = ne;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_q_f32<cpy_blck_q_f32<dequantize_q5_1, QK5_1>, QK5_1><<<num_blocks, 1, 0, stream>>>(
        cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03,
        ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }

 static void ggml_cpy_f32_iq4_nl_cuda(
-    const char * cx, char * cdst, const int ne,
-    const int ne00, const int ne01, const int ne02, const int nb00, const int nb01, const int nb02,
-    const int nb03, const int ne10, const int ne11, const int ne12, const int nb10, const int nb11, const int nb12, const int nb13, cudaStream_t stream) {
+    const char * cx, char * cdst, const int64_t ne,
+    const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t nb00, const int64_t nb01, const int64_t nb02,
+    const int64_t nb03, const int64_t ne10, const int64_t ne11, const int64_t ne12, const int64_t nb10, const int64_t nb11, const int64_t nb12, const int64_t nb13, cudaStream_t stream) {

    GGML_ASSERT(ne % QK4_NL == 0);
-    const int num_blocks = ne / QK4_NL;
+    const int64_t num_blocks = ne / QK4_NL;
+    GGML_ASSERT(num_blocks < UINT_MAX);
    cpy_f32_q<cpy_blck_f32_iq4_nl, QK4_NL><<<num_blocks, 1, 0, stream>>>
        (cx, cdst, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13);
 }
@@ -356,9 +373,6 @@ void ggml_cuda_cpy(ggml_backend_cuda_context & ctx, const ggml_tensor * src0, gg
    const int64_t ne = ggml_nelements(src0);
    GGML_ASSERT(ne == ggml_nelements(src1));

-    GGML_ASSERT(ggml_nbytes(src0) <= INT_MAX);
-    GGML_ASSERT(ggml_nbytes(src1) <= INT_MAX);
-
    const int64_t ne00 = src0->ne[0];
    const int64_t ne01 = src0->ne[1];
    const int64_t ne02 = src0->ne[2];
@@ -5,7 +5,7 @@
 #include "ggml.h"

 #ifdef GGML_CUDA_USE_CUB
-#   include <cub/block/block_scan.cuh>
+#   include <cub/cub.cuh>
 #endif // GGML_CUDA_USE_CUB

 template<typename T, int BLOCK_SIZE>
@@ -185,9 +185,34 @@ static __global__ void cumsum_kernel(
    }
 }

+#ifdef GGML_CUDA_USE_CUB
+template <typename T>
+static void cumsum_cub(ggml_cuda_pool & pool,
+                       const T *        src,
+                       T *              dst,
+                       int64_t          ne,
+                       cudaStream_t     stream) {
+    size_t tmp_size = 0;
+
+    // Query how much temp storage CUDA UnBound (CUB) needs
+    cub::DeviceScan::InclusiveSum(nullptr,   // d_temp_storage (null = just query size)
+                                  tmp_size,  // reference to size (will be set by CUB)
+                                  src,       // input pointer
+                                  dst,       // output pointer
+                                  ne,        // number of elements
+                                  stream     // CUDA stream to use
+    );
+
+    ggml_cuda_pool_alloc<uint8_t> tmp_alloc(pool, tmp_size);
+
+    // Perform the inclusive scan
+    cub::DeviceScan::InclusiveSum((void *) tmp_alloc.get(), tmp_size, src, dst, ne, stream);
+}
+#endif // GGML_CUDA_USE_CUB
+
 template<typename T>
 static void cumsum_cuda(
-        const T * src, T * dst,
+        [[maybe_unused]] ggml_backend_cuda_context & ctx, const T * src, T * dst,
        const int64_t ne00, const int64_t ne01, const int64_t ne02, const int64_t ne03,
        const int64_t nb00, const int64_t nb01, const int64_t nb02, const int64_t nb03,
        const int64_t  nb0,  const int64_t nb1, const int64_t  nb2, const int64_t  nb3,
@@ -201,6 +226,15 @@ static void cumsum_cuda(

    if (is_contiguous) {
        use_cub = true;
+        const int64_t nrows = ne01 * ne02 * ne03;
+        // TODO: Compare with DeviceSegmentedScan::InclusiveSegmentedSum for nrows > 1 once InclusiveSegmentedSum is released
+        // Heuristics were determined as part of https://github.com/ggml-org/llama.cpp/pull/17004
+        if (((nrows == 1) && (ne00 > 1024)) || (ne00 / nrows > 4096)) {
+            for (int i=0; i<nrows; i++) {
+                cumsum_cub(ctx.pool(), src + i * ne00, dst + i * ne00, ne00, stream);
+            }
+            return;
+        }
    }
 #endif // GGML_CUDA_USE_CUB
    dim3 grid_dims(ne01, ne02, ne03);
@@ -239,7 +273,7 @@ void ggml_cuda_op_cumsum(ggml_backend_cuda_context & ctx, ggml_tensor * dst) {
        case GGML_TYPE_F32:
            {
                cumsum_cuda(
-                    (const float *)src0->data, (float *)dst->data,
+                    ctx, (const float *)src0->data, (float *)dst->data,
                    src0->ne[0], src0->ne[1], src0->ne[2], src0->ne[3],
                    src0->nb[0], src0->nb[1], src0->nb[2], src0->nb[3],
                    dst->nb[0], dst->nb[1], dst->nb[2], dst->nb[3],
@@ -11,10 +11,12 @@
 #define SOFTMAX_FTZ_THRESHOLD -20.0f                   // Softmax exp. of values smaller than this are flushed to zero to avoid NaNs.

 // log(2) = 0.6931, by adding this to the KQ maximum used for the softmax the numerical range representable
-//     by the VKQ accumulators is effectively being shifted up by a factor of 8.
+//     by the VKQ accumulators is effectively being shifted up by a factor of 2.
 // This reduces issues with numerical overflow but also causes larger values to be flushed to zero.
 // However, as the output from FlashAttention will usually be used as an input for a matrix multiplication this should be negligible.
-#define FATTN_KQ_MAX_OFFSET 0.6931f
+// Still, the value range should be shifted as much as necessary but as little as possible.
+// The macro on the following line shifts it by a factor of 2**3=8, as was needed to fix https://github.com/ggml-org/llama.cpp/issues/18606 .
+#define FATTN_KQ_MAX_OFFSET (3.0f*0.6931f)

 typedef void (* fattn_kernel_t)(
        const char * __restrict__ Q,
@@ -918,7 +920,9 @@ void launch_fattn(
        blocks_num.y = 1;
        blocks_num.z = 1;

-        dst_tmp_meta.alloc(blocks_num.x*ncols * (2*2 + DV) * sizeof(float));
+        if (ntiles_total % blocks_num.x != 0) { // Fixup is only needed if the SMs work on fractional tiles.
+            dst_tmp_meta.alloc((size_t(blocks_num.x) * ncols * (2 + DV/2)));
+        }
    } else {
        const int ntiles_KQ = (K->ne[1] + nbatch_fa - 1) / nbatch_fa; // Max. number of parallel blocks limited by tensor size.

@@ -531,7 +531,7 @@ static __device__ __forceinline__ void flash_attn_ext_f16_iter(
        for (int k0 = 0; k0 < nbatch_fa; k0 += np*T_C_KQ::I) {
 #pragma unroll
            for (int l = 0; l < T_C_KQ::ne; ++l) {
-                if (!oob_check || k0 + T_C_KQ::get_i(l) < k_VKQ_sup) {
+                if (!oob_check || k0 + (threadIdx.y % np)*T_C_KQ::I + T_C_KQ::get_i(l) < k_VKQ_sup) {
                    KQ_max_new[l % 2] = fmaxf(KQ_max_new[l % 2], KQ_C[k0/(np*T_C_KQ::I)].x[l] + FATTN_KQ_MAX_OFFSET);
                }
            }
@@ -583,7 +583,7 @@ static __device__ __forceinline__ void flash_attn_ext_f16_iter(
        for (int k0 = 0; k0 < nbatch_fa; k0 += np*T_C_KQ::J) {
 #pragma unroll
            for (int l = 0; l < T_C_KQ::ne; ++l) {
-                if (!oob_check || k0 + T_C_KQ::get_j(l) < k_VKQ_sup) {
+                if (!oob_check || k0 + (threadIdx.y % np)*T_C_KQ::J + T_C_KQ::get_j(l) < k_VKQ_sup) {
                    // Turing + Volta:
                    KQ_max_new[(l/2) % 2] = fmaxf(KQ_max_new[(l/2) % 2], KQ_C[(k0/(np*T_C_KQ::J))].x[l] + FATTN_KQ_MAX_OFFSET);
                }
@@ -19,6 +19,7 @@
 #include "ggml-cuda/count-equal.cuh"
 #include "ggml-cuda/cpy.cuh"
 #include "ggml-cuda/cross-entropy-loss.cuh"
+#include "ggml-cuda/cumsum.cuh"
 #include "ggml-cuda/diagmask.cuh"
 #include "ggml-cuda/diag.cuh"
 #include "ggml-cuda/fattn.cuh"
@@ -44,6 +45,7 @@
 #include "ggml-cuda/ssm-scan.cuh"
 #include "ggml-cuda/sum.cuh"
 #include "ggml-cuda/sumrows.cuh"
+#include "ggml-cuda/top-k.cuh"
 #include "ggml-cuda/mean.cuh"
 #include "ggml-cuda/tsembd.cuh"
 #include "ggml-cuda/topk-moe.cuh"
@@ -201,16 +203,6 @@ static ggml_cuda_device_info ggml_cuda_init() {
    GGML_ASSERT(info.device_count <= GGML_CUDA_MAX_DEVICES);

    int64_t total_vram = 0;
-#ifdef GGML_CUDA_FORCE_MMQ
-    GGML_LOG_INFO("%s: GGML_CUDA_FORCE_MMQ:    yes\n", __func__);
-#else
-    GGML_LOG_INFO("%s: GGML_CUDA_FORCE_MMQ:    no\n", __func__);
-#endif // GGML_CUDA_FORCE_MMQ
-#ifdef GGML_CUDA_FORCE_CUBLAS
-    GGML_LOG_INFO("%s: GGML_CUDA_FORCE_CUBLAS: yes\n", __func__);
-#else
-    GGML_LOG_INFO("%s: GGML_CUDA_FORCE_CUBLAS: no\n", __func__);
-#endif // GGML_CUDA_FORCE_CUBLAS
    GGML_LOG_INFO("%s: found %d " GGML_CUDA_NAME " devices:\n", __func__, info.device_count);

    std::vector<std::pair<int, std::string>> turing_devices_without_mma;
@@ -241,6 +233,14 @@ static ggml_cuda_device_info ggml_cuda_init() {
        info.devices[id].nsm        = prop.multiProcessorCount;
        info.devices[id].smpb       = prop.sharedMemPerBlock;
        info.devices[id].warp_size  = prop.warpSize;
+
+#ifndef GGML_USE_MUSA
+        int supports_coop_launch = 0;
+        CUDA_CHECK(cudaDeviceGetAttribute(&supports_coop_launch, cudaDevAttrCooperativeLaunch, id));
+        info.devices[id].supports_cooperative_launch = !!supports_coop_launch;
+#else
+        info.devices[id].supports_cooperative_launch = false;
+#endif // !(GGML_USE_MUSA)
 #if defined(GGML_USE_HIP)
        info.devices[id].smpbo = prop.sharedMemPerBlock;

@@ -2687,6 +2687,9 @@ static bool ggml_cuda_compute_forward(ggml_backend_cuda_context & ctx, struct gg
        case GGML_OP_SUM:
            ggml_cuda_op_sum(ctx, dst);
            break;
+        case GGML_OP_CUMSUM:
+            ggml_cuda_op_cumsum(ctx, dst);
+            break;
        case GGML_OP_SUM_ROWS:
            ggml_cuda_op_sum_rows(ctx, dst);
            break;
@@ -2699,6 +2702,9 @@ static bool ggml_cuda_compute_forward(ggml_backend_cuda_context & ctx, struct gg
        case GGML_OP_SSM_SCAN:
            ggml_cuda_op_ssm_scan(ctx, dst);
            break;
+        case GGML_OP_TOP_K:
+            ggml_cuda_op_top_k(ctx, dst);
+            break;
        case GGML_OP_ARGSORT:
            ggml_cuda_op_argsort(ctx, dst);
            break;
@@ -2708,9 +2714,6 @@ static bool ggml_cuda_compute_forward(ggml_backend_cuda_context & ctx, struct gg
        case GGML_OP_CROSS_ENTROPY_LOSS:
            ggml_cuda_cross_entropy_loss(ctx, dst);
            break;
-        case GGML_OP_CUMSUM:
-            ggml_cuda_op_cumsum(ctx, dst);
-            break;
        case GGML_OP_TRI:
            ggml_cuda_op_tri(ctx, dst);
            break;
@@ -2850,9 +2853,9 @@ static void ggml_backend_cuda_synchronize(ggml_backend_t backend) {
 }

 #ifdef USE_CUDA_GRAPH
-static bool check_node_graph_compatibility(ggml_cgraph * cgraph,
-    bool use_cuda_graph) {
+static bool ggml_cuda_graph_check_compability(ggml_cgraph * cgraph) {

+    bool use_cuda_graph = true;
    // Loop over nodes in GGML graph to obtain info needed for CUDA graph

    const std::string gemma3n_per_layer_proj_src0_name = "inp_per_layer_selected";
@@ -2912,41 +2915,41 @@ static bool check_node_graph_compatibility(ggml_cgraph * cgraph,
    return use_cuda_graph;
 }

-static void set_ggml_graph_node_properties(ggml_tensor * node, ggml_graph_node_properties * graph_node_properties) {
-    graph_node_properties->node_address = node->data;
-    graph_node_properties->node_op = node->op;
+static void ggml_cuda_graph_node_set_properties(ggml_cuda_graph_node_properties * props, ggml_tensor * node) {
+    props->node_address = node->data;
+    props->node_op = node->op;
    for (int i = 0; i < GGML_MAX_DIMS; i++) {
-        graph_node_properties->ne[i] = node->ne[i];
-        graph_node_properties->nb[i] = node->nb[i];
+        props->ne[i] = node->ne[i];
+        props->nb[i] = node->nb[i];
    }
    for (int i = 0; i < GGML_MAX_SRC; i++) {
-        graph_node_properties->src_address[i] = node->src[i] ? node->src[i]->data : nullptr;
+        props->src_address[i] = node->src[i] ? node->src[i]->data : nullptr;
    }
-    memcpy(graph_node_properties->op_params, node->op_params, GGML_MAX_OP_PARAMS);
+    memcpy(props->op_params, node->op_params, GGML_MAX_OP_PARAMS);
 }

-static bool ggml_graph_node_has_matching_properties(ggml_tensor * node, ggml_graph_node_properties * graph_node_properties) {
-    if (node->data != graph_node_properties->node_address &&
+static bool ggml_cuda_graph_node_properties_match(ggml_tensor * node, ggml_cuda_graph_node_properties * props) {
+    if (node->data != props->node_address &&
          node->op != GGML_OP_VIEW) {
        return false;
    }

-    if (node->op != graph_node_properties->node_op) {
+    if (node->op != props->node_op) {
        return false;
    }

    for (int i = 0; i < GGML_MAX_DIMS; i++) {
-        if (node->ne[i] != graph_node_properties->ne[i]) {
+        if (node->ne[i] != props->ne[i]) {
            return false;
        }
-        if (node->nb[i] != graph_node_properties->nb[i]) {
+        if (node->nb[i] != props->nb[i]) {
            return false;
        }
    }

    for (int i = 0; i < GGML_MAX_SRC; i++) {
        if (node->src[i] &&
-            node->src[i]->data != graph_node_properties->src_address[i] &&
+            node->src[i]->data != props->src_address[i] &&
            node->op != GGML_OP_VIEW
        ) {
            return false;
@@ -2954,44 +2957,55 @@ static bool ggml_graph_node_has_matching_properties(ggml_tensor * node, ggml_gra
    }

    if ((node->op == GGML_OP_SCALE || node->op == GGML_OP_GLU) &&
-        memcmp(graph_node_properties->op_params, node->op_params, GGML_MAX_OP_PARAMS) != 0) {
+        memcmp(props->op_params, node->op_params, GGML_MAX_OP_PARAMS) != 0) {
        return false;
    }

    return true;
 }

-static bool is_cuda_graph_update_required(ggml_backend_cuda_context * cuda_ctx, ggml_cgraph * cgraph) {
+static bool ggml_cuda_graph_update_required(ggml_backend_cuda_context * cuda_ctx, ggml_cgraph * cgraph) {

-    bool cuda_graph_update_required = false;
+    bool res = false;

    if (cuda_ctx->cuda_graph->instance == nullptr) {
-        cuda_graph_update_required = true;
+        res = true;
    }

    // Check if the graph size has changed
-    if (cuda_ctx->cuda_graph->ggml_graph_properties.size() != (size_t)cgraph->n_nodes) {
-        cuda_graph_update_required = true;
-        cuda_ctx->cuda_graph->ggml_graph_properties.resize(cgraph->n_nodes);
+    if (cuda_ctx->cuda_graph->props.size() != (size_t)cgraph->n_nodes + cgraph->n_leafs) {
+        res = true;
+        cuda_ctx->cuda_graph->props.resize(cgraph->n_nodes + cgraph->n_leafs);
    }

    // Loop over nodes in GGML graph to determine if CUDA graph update is required
    // and store properties to allow this comparison for the next token
    for (int i = 0; i < cgraph->n_nodes; i++) {
-        bool has_matching_properties = true;
-        if (!cuda_graph_update_required) {
-            has_matching_properties = ggml_graph_node_has_matching_properties(cgraph->nodes[i], &cuda_ctx->cuda_graph->ggml_graph_properties[i]);
+        bool props_match = true;
+        if (!res) {
+            props_match = ggml_cuda_graph_node_properties_match(cgraph->nodes[i], &cuda_ctx->cuda_graph->props[i]);
        }
-        if (!has_matching_properties) {
-            cuda_graph_update_required = true;
+        if (!props_match) {
+            res = true;
        }
-        set_ggml_graph_node_properties(cgraph->nodes[i], &cuda_ctx->cuda_graph->ggml_graph_properties[i]);
+        ggml_cuda_graph_node_set_properties(&cuda_ctx->cuda_graph->props[i], cgraph->nodes[i]);
    }

-    return cuda_graph_update_required;
+    for (int i = 0; i < cgraph->n_leafs; i++) {
+        bool props_match= true;
+        if (!res) {
+            props_match = ggml_cuda_graph_node_properties_match(cgraph->leafs[i], &cuda_ctx->cuda_graph->props[cgraph->n_nodes + i]);
+        }
+        if (!props_match) {
+            res = true;
+        }
+        ggml_cuda_graph_node_set_properties(&cuda_ctx->cuda_graph->props[cgraph->n_nodes + i], cgraph->leafs[i]);
+    }
+
+    return res;
 }

-static void update_cuda_graph_executable(ggml_backend_cuda_context * cuda_ctx) {
+static void ggml_cuda_graph_update_executable(ggml_backend_cuda_context * cuda_ctx) {

 #if CUDART_VERSION >= 12000
    cudaGraphExecUpdateResultInfo result_info;
@@ -3222,10 +3236,11 @@ static bool ggml_cuda_can_fuse(const struct ggml_cgraph * cgraph, int node_idx,
    return false;
 }

-static void evaluate_and_capture_cuda_graph(ggml_backend_cuda_context * cuda_ctx, ggml_cgraph * cgraph,
-    bool & graph_evaluated_or_captured, bool & use_cuda_graph, bool & cuda_graph_update_required) {
+static void ggml_cuda_graph_evaluate_and_capture(ggml_backend_cuda_context * cuda_ctx, ggml_cgraph * cgraph, const bool use_cuda_graph, const bool cuda_graph_update_required) {
+    bool graph_evaluated_or_captured = false;
+
    // flag used to determine whether it is an integrated_gpu
-    const bool integrated = ggml_cuda_info().devices[cuda_ctx->device].integrated;
+    const bool integrated            = ggml_cuda_info().devices[cuda_ctx->device].integrated;

    ggml_cuda_stream_context & stream_ctx = cuda_ctx->stream_context();
    bool                         is_concurrent_event_active = false;
@@ -3263,6 +3278,7 @@ static void evaluate_and_capture_cuda_graph(ggml_backend_cuda_context * cuda_ctx
                    should_launch_concurrent_events = should_launch_concurrent_events && event.is_valid();
                }
            }
+
            if (should_launch_concurrent_events) {
                // Restore original node order within each concurrent region to enable fusion within streams

@@ -3314,6 +3330,8 @@ static void evaluate_and_capture_cuda_graph(ggml_backend_cuda_context * cuda_ctx
                        cgraph->nodes[start_pos + i] = const_cast<ggml_tensor *>(event.original_order[i]);
                    }
                }
+            } else {
+                stream_ctx.concurrent_events.clear();
            }

            for (int i = 0; i < cgraph->n_nodes; i++) {
@@ -3692,7 +3710,7 @@ static void evaluate_and_capture_cuda_graph(ggml_backend_cuda_context * cuda_ctx
            CUDA_CHECK(cudaGraphInstantiate(&cuda_ctx->cuda_graph->instance, cuda_ctx->cuda_graph->graph, NULL, NULL, 0));
        }
        if (cuda_graph_update_required) { // Update graph executable
-            update_cuda_graph_executable(cuda_ctx);
+            ggml_cuda_graph_update_executable(cuda_ctx);
        }
        // Launch graph
        CUDA_CHECK(cudaGraphLaunch(cuda_ctx->cuda_graph->instance, cuda_ctx->stream()));
@@ -3702,60 +3720,45 @@ static void evaluate_and_capture_cuda_graph(ggml_backend_cuda_context * cuda_ctx
    }
 }

-static enum ggml_status ggml_backend_cuda_graph_compute(ggml_backend_t backend, ggml_cgraph * cgraph) {
-    ggml_backend_cuda_context * cuda_ctx = (ggml_backend_cuda_context *)backend->context;
-
-    ggml_cuda_set_device(cuda_ctx->device);
+static bool ggml_cuda_graph_set_enabled(ggml_backend_cuda_context * cuda_ctx) {

 #ifdef USE_CUDA_GRAPH
-    static const bool disable_cuda_graphs_due_to_env = (getenv("GGML_CUDA_DISABLE_GRAPHS") != nullptr);

-    // Objects required for CUDA Graph
    if (cuda_ctx->cuda_graph == nullptr) {
        cuda_ctx->cuda_graph.reset(new ggml_cuda_graph());
    }

-    bool use_cuda_graph = true;
-    bool cuda_graph_update_required = false;
-
    if (cuda_ctx->cuda_graph->graph == nullptr) {
        if (ggml_cuda_info().devices[cuda_ctx->device].cc < GGML_CUDA_CC_AMPERE) {
            cuda_ctx->cuda_graph->disable_due_to_gpu_arch = true;
-#ifndef NDEBUG
            GGML_LOG_DEBUG("%s: disabling CUDA graphs due to GPU architecture\n", __func__);
-#endif
        }
    }

-    // Disable CUDA graphs in presence of env var, old GPU, use-case which is changing too rapidly,
-    // or previous graph capture failure.
-    // Also disable for multi-gpu for now. TO DO investigate
-    if (disable_cuda_graphs_due_to_env
-        || cuda_ctx->cuda_graph->disable_due_to_gpu_arch
-        || cuda_ctx->cuda_graph->disable_due_to_too_many_updates
-        || cuda_ctx->cuda_graph->disable_due_to_failed_graph_capture) {
-        use_cuda_graph = false;
-    }
-
-    if (use_cuda_graph) {
-        cuda_graph_update_required = is_cuda_graph_update_required(cuda_ctx, cgraph);
-
-        use_cuda_graph = check_node_graph_compatibility(cgraph, use_cuda_graph);
-
-        // Disable CUDA graphs (from the next token) if the use-case is demanding too many consecutive graph updates.
-        if (use_cuda_graph && cuda_graph_update_required) {
-            cuda_ctx->cuda_graph->number_consecutive_updates++;
-        } else {
-            cuda_ctx->cuda_graph->number_consecutive_updates = 0;
-        }
-
-        if (cuda_ctx->cuda_graph->number_consecutive_updates >= 4) {
-            cuda_ctx->cuda_graph->disable_due_to_too_many_updates = true;
-#ifndef NDEBUG
-            GGML_LOG_DEBUG("%s: disabling CUDA graphs due to too many consecutive updates\n", __func__);
-#endif
-        }
+    return cuda_ctx->cuda_graph->is_enabled();
+#else
+    return false;
+#endif // USE_CUDA_GRAPH
+}
+
+static enum ggml_status ggml_backend_cuda_graph_compute(ggml_backend_t backend, ggml_cgraph * cgraph) {
+    ggml_backend_cuda_context * cuda_ctx = (ggml_backend_cuda_context *) backend->context;
+
+    ggml_cuda_set_device(cuda_ctx->device);
+
+    bool use_cuda_graph             = false;
+    bool cuda_graph_update_required = false;
+
+#ifdef USE_CUDA_GRAPH
+    use_cuda_graph = ggml_cuda_graph_set_enabled(cuda_ctx);
+
+    if (cuda_ctx->cuda_graph->is_enabled()) {
+        cuda_graph_update_required = ggml_cuda_graph_update_required(cuda_ctx, cgraph);
+        use_cuda_graph             = ggml_cuda_graph_check_compability(cgraph);
+
+        cuda_ctx->cuda_graph->record_update(use_cuda_graph, cuda_graph_update_required);
    }
+#endif // USE_CUDA_GRAPH

    if (use_cuda_graph && cuda_graph_update_required) {
        // Start CUDA graph capture
@@ -3767,14 +3770,7 @@ static enum ggml_status ggml_backend_cuda_graph_compute(ggml_backend_t backend,
        CUDA_CHECK(cudaStreamBeginCapture(cuda_ctx->stream(), cudaStreamCaptureModeRelaxed));
    }

-#else
-    bool use_cuda_graph = false;
-    bool cuda_graph_update_required = false;
-#endif // USE_CUDA_GRAPH
-
-    bool graph_evaluated_or_captured = false;
-
-    evaluate_and_capture_cuda_graph(cuda_ctx, cgraph, graph_evaluated_or_captured, use_cuda_graph, cuda_graph_update_required);
+    ggml_cuda_graph_evaluate_and_capture(cuda_ctx, cgraph, use_cuda_graph, cuda_graph_update_required);

    return GGML_STATUS_SUCCESS;
 }
@@ -3807,8 +3803,10 @@ static void ggml_backend_cuda_event_wait(ggml_backend_t backend, ggml_backend_ev
 static void ggml_backend_cuda_graph_optimize(ggml_backend_t backend, ggml_cgraph * cgraph) {
    ggml_backend_cuda_context * cuda_ctx = (ggml_backend_cuda_context *) backend->context;

+    const bool use_cuda_graph = ggml_cuda_graph_set_enabled(cuda_ctx);
+
    static bool enable_graph_optimization = [] {
-        const char * env = getenv("GGML_CUDA_GRAPH_OPT");
+        const char * env     = getenv("GGML_CUDA_GRAPH_OPT");
        return env != nullptr && atoi(env) == 1;
    }();

@@ -3816,12 +3814,13 @@ static void ggml_backend_cuda_graph_optimize(ggml_backend_t backend, ggml_cgraph
        return;
    }

-    GGML_ASSERT(ggml_backend_cuda_get_device_count() == 1 && "compute graph optimization is only supported on single GPU in the CUDA backend");
-    GGML_LOG_DEBUG("Optimizing CUDA graph %p with %d nodes\n", cgraph->nodes, cgraph->n_nodes);
-
    ggml_cuda_stream_context & stream_context = cuda_ctx->stream_context();
    stream_context.reset();

+    if (!use_cuda_graph || ggml_backend_cuda_get_device_count() != 1) {
+        return;
+    }
+
    // number of out-degrees for a particular node
    std::unordered_map<const ggml_tensor *, int> fan_out;
    // reverse mapping of node to index in the cgraph
@@ -3882,6 +3881,12 @@ static void ggml_backend_cuda_graph_optimize(ggml_backend_t backend, ggml_cgraph
        if (count >= min_fan_out && count <= max_fan_out) {
            const int root_node_idx = node_indices[root_node];

+            // only optimize for attn_norm
+            // TODO: make this more generic
+            if (!strstr(root_node->name, "attn_norm")) {
+                continue;
+            }
+
            bool is_part_of_event = false;
            for (const auto & [start, end] : concurrent_node_ranges) {
                if (root_node_idx >= start && root_node_idx <= end) {
@@ -4610,6 +4615,7 @@ static bool ggml_backend_cuda_device_supports_op(ggml_backend_dev_t dev, const g
            return true;
        case GGML_OP_SUM:
            return ggml_is_contiguous_rows(op->src[0]);
+        case GGML_OP_TOP_K:
        case GGML_OP_ARGSORT:
 #ifndef GGML_CUDA_USE_CUB
            return op->src[0]->ne[0] <= 1024;
@@ -4785,6 +4791,16 @@ static ggml_backend_feature * ggml_backend_cuda_get_features(ggml_backend_reg_t
        features.push_back({ "FA_ALL_QUANTS", "1" });
    #endif

+    {
+        const auto & info = ggml_cuda_info();
+        for (int id = 0; id < info.device_count; ++id) {
+            if (blackwell_mma_available(info.devices[id].cc)) {
+                features.push_back({ "BLACKWELL_NATIVE_FP4", "1"});
+                break;
+            }
+        }
+    }
+
    #undef _STRINGIFY
    #undef STRINGIFY

@@ -34,13 +34,11 @@ void ggml_cuda_op_mean(ggml_backend_cuda_context & ctx, ggml_tensor * dst) {
            // CUDA_GRAPHS_DISABLED
            ((ncols > 65536) &&
             ((ctx.cuda_graph->instance == nullptr) && (iscapturing == cudaStreamCaptureStatusNone) ||
-              ctx.cuda_graph->disable_due_to_gpu_arch || ctx.cuda_graph->disable_due_to_too_many_updates ||
-              ctx.cuda_graph->disable_due_to_failed_graph_capture)) ||
+              ctx.cuda_graph->is_enabled())) ||
        // CUDA_GRAPHS ENABLED
        ((ncols > 32768) &&
         !((ctx.cuda_graph->instance == nullptr) && (iscapturing == cudaStreamCaptureStatusNone) ||
-           ctx.cuda_graph->disable_due_to_gpu_arch || ctx.cuda_graph->disable_due_to_too_many_updates ||
-           ctx.cuda_graph->disable_due_to_failed_graph_capture))) {
+            ctx.cuda_graph->is_enabled()))) {
 #else
        (ncols > 65536)) {
 #endif // USE_CUDA_GRAPH
@@ -333,6 +333,28 @@ bool ggml_cuda_should_use_mmq(enum ggml_type type, int cc, int64_t ne11, int64_t
    }

    if (amd_wmma_available(cc)) {
+        // RDNA 4 is consistently worse on rocblas
+        // https://github.com/ggml-org/llama.cpp/pull/18537#issuecomment-3706422301
+        if (GGML_CUDA_CC_IS_RDNA3(cc)) {
+            // High expert counts almost always better on MMQ
+            // due to a large amount of graph splits
+            // https://github.com/ggml-org/llama.cpp/pull/18202
+            if (n_experts >= 64) {
+                return true;
+            }
+
+            switch (type) {
+                // These quants are really bad on MMQ
+                case GGML_TYPE_Q2_K:
+                case GGML_TYPE_Q6_K:
+                // These quants are usually worse but not always
+                case GGML_TYPE_IQ2_XS:
+                case GGML_TYPE_IQ2_S:
+                    return ne11 <= 128;
+                default:
+                    return true;
+            }
+        }
        return true;
    }

@@ -1,6 +1,14 @@
 #include "common.cuh"
 #include "ggml.h"
 #include "softmax.cuh"
+
+#ifdef GGML_USE_HIP
+#include <hip/hip_cooperative_groups.h>
+#else
+#include <cooperative_groups.h>
+#include <cooperative_groups/reduce.h>
+#endif // GGML_USE_HIP
+
 #include <cstdint>
 #include <utility>

@@ -160,6 +168,156 @@ static __global__ void soft_max_f32(
        dst[col] = vals[col] * inv_sum;
    }
 }
+
+
+// TODO: This is a common pattern used across kernels that could be moved to common.cuh + templated
+static __device__ float two_stage_warp_reduce_max(float val) {
+    val = warp_reduce_max(val);
+    if (blockDim.x > WARP_SIZE) {
+        assert((blockDim.x <= 1024) && (blockDim.x % WARP_SIZE) == 0);
+        __shared__ float local_vals[32];
+        const int        warp_id = threadIdx.x / WARP_SIZE;
+        const int        lane_id = threadIdx.x % WARP_SIZE;
+        if (lane_id == 0) {
+            local_vals[warp_id] = val;
+        }
+        __syncthreads();
+        val = -INFINITY;
+        if (lane_id < (static_cast<int>(blockDim.x) / WARP_SIZE)) {
+            val = local_vals[lane_id];
+        }
+        return warp_reduce_max(val);
+    } else {
+        return val;
+    }
+}
+
+static __device__ float two_stage_warp_reduce_sum(float val) {
+    val = warp_reduce_sum(val);
+    if (blockDim.x > WARP_SIZE) {
+        assert((blockDim.x <= 1024) && (blockDim.x % WARP_SIZE) == 0);
+        __shared__ float local_vals[32];
+        const int        warp_id = threadIdx.x / WARP_SIZE;
+        const int        lane_id = threadIdx.x % WARP_SIZE;
+        if (lane_id == 0) {
+            local_vals[warp_id] = val;
+        }
+        __syncthreads();
+        val = 0.0f;
+        if (lane_id < (static_cast<int>(blockDim.x) / WARP_SIZE)) {
+            val = local_vals[lane_id];
+        }
+        return warp_reduce_sum(val);
+    } else {
+        return val;
+    }
+}
+
+// TODO: Template to allow keeping ncols in registers if they fit
+static __device__ void soft_max_f32_parallelize_cols_single_row(const float * __restrict__ x,
+                                                                float * __restrict__ dst,
+                                                                float * __restrict__ tmp_maxs,
+                                                                float * __restrict__ tmp_sums,
+                                                                const soft_max_params p) {
+    namespace cg = cooperative_groups;
+
+    const cg::grid_group g = cg::this_grid();
+
+    const int tid               = threadIdx.x;
+    const int col_start         = blockIdx.x * blockDim.x + tid;
+    const int n_elem_per_thread = 4;
+
+    float     local_vals[n_elem_per_thread] = { -INFINITY, -INFINITY, -INFINITY, -INFINITY };
+    float     local_max                     = -INFINITY;
+    const int step_size                     = gridDim.x * blockDim.x;
+
+    // Compute thread-local max
+    for (int col = col_start; col < p.ncols;) {
+#pragma unroll
+        for (int i = 0; i < n_elem_per_thread; i++) {
+            const int idx = col + i * step_size;
+            local_vals[i] = idx < p.ncols ? x[idx] : -INFINITY;
+        }
+#pragma unroll
+        for (int i = 0; i < n_elem_per_thread; i++) {
+            local_max = fmaxf(local_max, local_vals[i]);
+        }
+        col += step_size * n_elem_per_thread;
+    }
+
+    // Compute CTA-level max
+    local_max = two_stage_warp_reduce_max(local_max);
+
+    // Store CTA-level max to GMEM
+    if (tid == 0) {
+        tmp_maxs[blockIdx.x] = local_max;
+    }
+    g.sync();
+
+    // Compute compute global max from CTA-level maxs
+    assert(gridDim.x < blockDim.x);  // currently we only support this case
+    if (tid < gridDim.x) {
+        local_max = tmp_maxs[tid];
+    } else {
+        local_max = -INFINITY;
+    }
+    local_max = two_stage_warp_reduce_max(local_max);
+
+    // Compute softmax dividends, accumulate divisor
+    float tmp_expf = 0.0f;
+    for (int col = col_start; col < p.ncols;) {
+#pragma unroll
+        for (int i = 0; i < n_elem_per_thread; i++) {
+            const int idx = col + i * step_size;
+            local_vals[i] = idx < p.ncols ? x[idx] : -INFINITY;
+        }
+#pragma unroll
+        for (int i = 0; i < n_elem_per_thread; i++) {
+            const int idx = col + i * step_size;
+            if (idx < p.ncols) {
+                const float tmp = expf(local_vals[i] - local_max);
+                tmp_expf += tmp;
+                dst[idx] = tmp;
+            }
+        }
+        col += step_size * n_elem_per_thread;
+    }
+
+    // Reduce divisor within CTA
+    tmp_expf = two_stage_warp_reduce_sum(tmp_expf);
+
+    // Store CTA-level sum to GMEM
+    if (tid == 0) {
+        tmp_sums[blockIdx.x] = tmp_expf;
+    }
+    g.sync();
+
+    // Compute global sum from CTA-level sums
+    if (tid < gridDim.x) {
+        tmp_expf = tmp_sums[tid];
+    } else {
+        tmp_expf = 0.0f;
+    }
+    tmp_expf = two_stage_warp_reduce_sum(tmp_expf);
+
+    // Divide dividend by global sum + store data
+    for (int col = col_start; col < p.ncols;) {
+#pragma unroll
+        for (int i = 0; i < n_elem_per_thread; i++) {
+            const int idx = col + i * step_size;
+            local_vals[i] = idx < p.ncols ? dst[idx] : -INFINITY;
+        }
+#pragma unroll
+        for (int i = 0; i < n_elem_per_thread; i++) {
+            const int idx = col + i * step_size;
+            if (idx < p.ncols) {
+                dst[idx] = local_vals[i] / tmp_expf;
+            }
+        }
+        col += step_size * n_elem_per_thread;
+    }
+}
+
 #ifdef __clang__
 #pragma clang diagnostic pop
 #endif // __clang__
@@ -216,9 +374,31 @@ static void launch_soft_max_kernels(const float * x, const T * mask, const float
    soft_max_f32<true, 0, 0><<<block_nums, block_dims, nbytes_shared, stream>>>(x, mask, sinks, dst, p);
 }

+__launch_bounds__(8*WARP_SIZE, 1) static __global__ void soft_max_f32_parallelize_cols(const float * __restrict__ x,
+                                                     float * __restrict__ dst,
+                                                     float * __restrict__ tmp_maxs,
+                                                     float * __restrict__ tmp_sums,
+                                                     const soft_max_params p)
+// We loop over all instead of parallelizing across gridDim.y as cooperative groups
+// currently only support synchronizing the complete grid if not launched as a cluster group
+// (which requires CC > 9.0)
+// https://docs.nvidia.com/cuda/cuda-programming-guide/05-appendices/device-callable-apis.html#grid-synchronization
+// https://docs.nvidia.com/cuda/cuda-programming-guide/05-appendices/device-callable-apis.html#class-cluster-group
+{
+    for (int rowx = 0; rowx < p.ne01 * p.ne02 * p.ne03; rowx++) {
+        soft_max_f32_parallelize_cols_single_row(x + int64_t(rowx) * p.ncols, dst + int64_t(rowx) * p.ncols, tmp_maxs,
+                                                 tmp_sums, p);
+    }
+}

-template<typename T>
-static void soft_max_f32_cuda(const float * x, const T * mask, const float * sinks, float * dst, const soft_max_params & params, cudaStream_t stream) {
+template <typename T>
+static void soft_max_f32_cuda(const float *                                x,
+                              const T *                                    mask,
+                              const float *                                sinks,
+                              float *                                      dst,
+                              const soft_max_params &                      params,
+                              cudaStream_t                                 stream,
+                              [[maybe_unused]] ggml_backend_cuda_context & ctx) {
    int nth = WARP_SIZE;
    const int64_t ncols_x = params.ncols;

@@ -236,8 +416,25 @@ static void soft_max_f32_cuda(const float * x, const T * mask, const float * sin
    if (nbytes_shared <= smpbo) {
        launch_soft_max_kernels<32, 64, 128, 256, 512, 1024, 2048, 4096>(x, mask, sinks, dst, params, stream, block_dims, block_nums, nbytes_shared);
    } else {
-        const size_t nbytes_shared_low = WARP_SIZE*sizeof(float);
-        soft_max_f32<false, 0, 0><<<block_nums, block_dims, nbytes_shared_low, stream>>>(x, mask, sinks, dst, params);
+        // Parallelize across SMs for top-p/dist-sampling
+        // The heuristic for parallelizing rows across SMs vs parallelizing single row & looping over all rows was done on the basis of a B6000 GPU and
+        // Can be adapted further for lower-SM-count GPUs, though keeping data in registers should be implemented first as that is the optimal solution.
+        if (ggml_cuda_info().devices[id].supports_cooperative_launch &&
+            ncols_x / (params.ne01 * params.ne02 * params.ne03) > 8192 && mask == nullptr && sinks == nullptr &&
+            params.scale == 1.0f && params.max_bias == 0.0f) {
+            ggml_cuda_pool_alloc<float> tmp_maxs_alloc(ctx.pool(), ggml_cuda_info().devices[id].nsm * sizeof(float));
+            ggml_cuda_pool_alloc<float> tmp_sums_alloc(ctx.pool(), ggml_cuda_info().devices[id].nsm * sizeof(float));
+
+            void * kernel_args[] = { (void *) &x, (void *) &dst, (void *) &tmp_maxs_alloc.ptr,
+                                     (void *) &tmp_sums_alloc.ptr, (void *) const_cast<soft_max_params *>(&params) };
+            CUDA_CHECK(cudaLaunchCooperativeKernel((void *) soft_max_f32_parallelize_cols,
+                                                   dim3(ggml_cuda_info().devices[id].nsm, 1, 1),
+                                                   dim3(WARP_SIZE * 8, 1, 1), kernel_args, 0, stream));
+        } else {
+            const size_t nbytes_shared_low = WARP_SIZE * sizeof(float);
+            soft_max_f32<false, 0, 0>
+                <<<block_nums, block_dims, nbytes_shared_low, stream>>>(x, mask, sinks, dst, params);
+        }
    }
 }

@@ -315,9 +512,9 @@ void ggml_cuda_op_soft_max(ggml_backend_cuda_context & ctx, ggml_tensor * dst) {
    params.m1 = m1;

    if (use_f16) {
-        soft_max_f32_cuda(src0_d, (const half  *) src1_d, (const float *) src2_d, dst_d, params, stream);
+        soft_max_f32_cuda(src0_d, (const half *) src1_d, (const float *) src2_d, dst_d, params, stream, ctx);
    } else {
-        soft_max_f32_cuda(src0_d, (const float *) src1_d, (const float *) src2_d, dst_d, params, stream);
+        soft_max_f32_cuda(src0_d, (const float *) src1_d, (const float *) src2_d, dst_d, params, stream, ctx);
    }
 }

@@ -114,7 +114,7 @@ __global__ void __launch_bounds__(splitD, 1)
 #endif // __clang__

 // assumes as many threads as d_state
-template <int splitH, int d_state>
+template <int c_factor, int d_state>
 __global__ void __launch_bounds__(d_state, 1)
    ssm_scan_f32_group(
        const float * __restrict__ src0, const float * __restrict__ src1, const float * __restrict__ src2,
@@ -125,20 +125,25 @@ __global__ void __launch_bounds__(d_state, 1)
        const int src4_nb2, const int src4_nb3, const int src5_nb2, const int src5_nb3,
        const int64_t s_off, const int64_t n_head, const int64_t d_head, const int64_t n_group, const int64_t n_tok) {

-    const int head_idx = (blockIdx.x * splitH) / d_head;
-    const int head_off = ((blockIdx.x * splitH) % d_head) * sizeof(float);
-    const int seq_idx = blockIdx.y;
+    const int warp     = threadIdx.x / WARP_SIZE;
+    const int lane     = threadIdx.x % WARP_SIZE;
+    const int warp_idx = blockIdx.x  * c_factor + warp;
+
+    const int head_idx =  warp_idx / d_head;
+    const int head_off = (warp_idx % d_head) * sizeof(float);
+    const int seq_idx  = blockIdx.y;

    const int group_off = (head_idx / (n_head / n_group)) * d_state * sizeof(float);

-    const float * s0_block = (const float *) ((const char *) src0 + src6[seq_idx] * src0_nb3 + head_idx * src0_nb2 + head_off * d_state);
-    const float * x_block  = (const float *) ((const char *) src1 + (seq_idx * src1_nb3) + blockIdx.x * splitH * sizeof(float));
-    const float * dt_block = (const float *) ((const char *) src2 + (seq_idx * src2_nb2) + head_idx * sizeof(float));
-    const float * A_block  = (const float *) ((const char *) src3 + head_idx * src3_nb1);
-    const float * B_block  = (const float *) ((const char *) src4 + (seq_idx * src4_nb3) + (group_off));
-    const float * C_block  = (const float *) ((const char *) src5 + (seq_idx * src5_nb3) + (group_off));
-    float *       y_block  = dst + (seq_idx * n_tok * n_head * d_head) + blockIdx.x * splitH;
-    float *       s_block  = (float *) ((char *) dst + s_off + seq_idx * src0_nb3 + head_idx * src0_nb2 + head_off * d_state);
+    // TODO: refactor strides to be in elements/floats instead of bytes to be cleaner and consistent with the rest of the codebase
+    const float * s0_warp = (const float *) ((const char *) src0 + src6[seq_idx] * src0_nb3 + head_idx * src0_nb2 + head_off * d_state);
+    const float * x_warp  = (const float *) ((const char *) src1 + (seq_idx * src1_nb3) + (warp_idx * sizeof(float)));
+    const float * dt_warp = (const float *) ((const char *) src2 + (seq_idx * src2_nb2) + head_idx * sizeof(float));
+    const float * A_warp  = (const float *) ((const char *) src3 + head_idx * src3_nb1);
+    const float * B_warp  = (const float *) ((const char *) src4 + (seq_idx * src4_nb3) + (group_off));
+    const float * C_warp  = (const float *) ((const char *) src5 + (seq_idx * src5_nb3) + (group_off));
+    float *       y_warp  = dst + (seq_idx * n_tok * n_head * d_head) + warp_idx;
+    float *       s_warp  = (float *) ((char *) dst + s_off + seq_idx * src0_nb3 + head_idx * src0_nb2 + head_off * d_state);

    // strides across n_seq_tokens
    const int stride_x  = src1_nb2 / sizeof(float);
@@ -147,80 +152,42 @@ __global__ void __launch_bounds__(d_state, 1)
    const int stride_C  = src5_nb2 / sizeof(float);
    const int stride_y  = n_head * d_head;

-    float state[splitH];
-    // for the parallel accumulation
-    __shared__ float stateC[splitH * d_state];
+    float state[c_factor];
+    float state_sum = 0.0f;

 #pragma unroll
-    for (int j = 0; j < splitH; j++) {
-        state[j] = s0_block[j * d_state + threadIdx.x];
+    for (int j = 0; j < c_factor; j++) {
+        state[j] = s0_warp[WARP_SIZE * j + lane];
    }

    for (int64_t i = 0; i < n_tok; i++) {
-        // TODO: only calculate dA and dt_soft_plus once per head instead of every splitH head elements
-        // TODO: only calculate B and C once per head group
-        // NOTE: dt_soft_plus, dA and x_dt have the same value across threads here.
-        float dt_soft_plus = dt_block[i * stride_dt];
-        if (dt_soft_plus <= 20.0f) {
-            dt_soft_plus = log1pf(expf(dt_soft_plus));
-        }
-        const float dA = expf(dt_soft_plus * A_block[0]);
-        const float B = B_block[i * stride_B + threadIdx.x];
-        const float C = C_block[i * stride_C + threadIdx.x];
+        // NOTE: dt_soft_plus, dA and x_dt have the same value for a warp here.
+        // Recalculation is intentional; sharing via shuffles/smem proved slower due to sync overhead.
+        const float dt_soft_plus = (dt_warp[i * stride_dt] <= 20.0f ? log1pf(expf(dt_warp[i * stride_dt])) : dt_warp[i * stride_dt]);

-        // across d_head
+        state_sum = 0.0f;
+        const float dA   = expf(dt_soft_plus * A_warp[0]);
+        const float x_dt = x_warp[i * stride_x] * dt_soft_plus;
 #pragma unroll
-        for (int j = 0; j < splitH; j++) {
-            const float x_dt = x_block[i * stride_x + j] * dt_soft_plus;
-
-            state[j] = (state[j] * dA) + (B * x_dt);
-
-            stateC[j * d_state + threadIdx.x] = state[j] * C;
+        for (int j = 0; j < c_factor; j++) {
+            const float B_val = B_warp[i * stride_B + WARP_SIZE * j + lane];
+            const float C_val = C_warp[i * stride_C + WARP_SIZE * j + lane];
+            state[j] = (state[j] * dA) + (B_val * x_dt);
+            state_sum += state[j] * C_val;
        }

-        __syncthreads();
+        // parallel accumulation for output
+        state_sum = warp_reduce_sum(state_sum);

-        // parallel accumulation for stateC
-        // TODO: simplify
-        {
-            static_assert((d_state & -d_state) == d_state, "the state size has to be a power of 2");
-            static_assert((splitH & -splitH) == splitH, "splitH has to be a power of 2");
-
-            // reduce until w matches the warp size
-            // TODO: does this work even when the physical warp size is 64?
-#pragma unroll
-            for (int w = d_state; w > WARP_SIZE; w >>= 1) {
-                // (assuming there are d_state threads)
-#pragma unroll
-                for (int j = 0; j < ((w >> 1) * splitH + d_state - 1) / d_state; j++) {
-                    // TODO: check for bank conflicts
-                    const int k = (threadIdx.x % (w >> 1)) + (d_state * (threadIdx.x / (w >> 1))) + j * d_state * (d_state / (w >> 1));
-                    stateC[k] += stateC[k + (w >> 1)];
-
-                }
-                __syncthreads();
-            }
-
-            static_assert(splitH >= d_state / WARP_SIZE);
-
-#pragma unroll
-            for (int j = 0; j < splitH / (d_state / WARP_SIZE); j++) {
-                float y = stateC[(threadIdx.x % WARP_SIZE) + d_state * (threadIdx.x / WARP_SIZE) + j * d_state * (d_state / WARP_SIZE)];
-                y = warp_reduce_sum(y);
-
-                // store the above accumulations
-                if (threadIdx.x % WARP_SIZE == 0) {
-                    const int k = threadIdx.x / WARP_SIZE + j * (d_state / WARP_SIZE);
-                    y_block[i * stride_y + k] = y;
-                }
-            }
+        if (lane == 0) {
+            y_warp[i * stride_y] = state_sum;
        }
    }

    // write back the state
 #pragma unroll
-    for (int j = 0; j < splitH; j++) {
-        s_block[j * d_state + threadIdx.x] = state[j];
+    for (int j = 0; j < c_factor; j++) {
+        s_warp[WARP_SIZE * j + lane] = state[j];
    }
 }

@@ -231,27 +198,24 @@ static void ssm_scan_f32_cuda(const float * src0, const float * src1, const floa
                              const int src5_nb3, const int64_t s_off, const int64_t d_state, const int64_t head_dim,
                              const int64_t n_head, const int64_t n_group, const int64_t n_tok, const int64_t n_seq,
                              cudaStream_t stream) {
-    const int threads = 128;
    // NOTE: if you change conditions here, be sure to update the corresponding supports_op condition!
    if (src3_nb1 == sizeof(float)) {
        // Mamba-2
        if (d_state == 128) {
-            GGML_ASSERT(d_state % threads == 0);
-            // NOTE: can be any power of two between 4 and 64
-            const int splitH = 16;
-            GGML_ASSERT(head_dim % splitH == 0);
-            const dim3 blocks((n_head * head_dim + (splitH - 1)) / splitH, n_seq, 1);
-            ssm_scan_f32_group<16, 128><<<blocks, threads, 0, stream>>>(
+            constexpr int threads   = 128;
+            constexpr int num_warps = threads/WARP_SIZE;
+
+            const dim3 blocks((n_head * head_dim + (num_warps - 1)) / num_warps, n_seq, 1);
+            ssm_scan_f32_group<128/WARP_SIZE, 128><<<blocks, threads, 0, stream>>>(
                    src0, src1, src2, src3, src4, src5, src6, dst,
                    src0_nb2, src0_nb3, src1_nb2, src1_nb3, src2_nb1, src2_nb2, src3_nb1,
                    src4_nb2, src4_nb3, src5_nb2, src5_nb3, s_off, n_head, head_dim, n_group, n_tok);
        } else if (d_state == 256) { // Falcon-H1
-            const int threads = 256;
-            // NOTE: can be any power of two between 8 and 64
-            const int splitH = 16;
-            GGML_ASSERT(head_dim % splitH == 0);
-            const dim3 blocks((n_head * head_dim + (splitH - 1)) / splitH, n_seq, 1);
-            ssm_scan_f32_group<16, 256><<<blocks, threads, 0, stream>>>(
+            constexpr int threads   = 256;
+            constexpr int num_warps = threads/WARP_SIZE;
+
+            const dim3 blocks((n_head * head_dim + (num_warps - 1)) / num_warps, n_seq, 1);
+            ssm_scan_f32_group<256/WARP_SIZE, 256><<<blocks, threads, 0, stream>>>(
                    src0, src1, src2, src3, src4, src5, src6, dst,
                    src0_nb2, src0_nb3, src1_nb2, src1_nb3, src2_nb1, src2_nb2, src3_nb1,
                    src4_nb2, src4_nb3, src5_nb2, src5_nb3, s_off, n_head, head_dim, n_group, n_tok);
@@ -260,6 +224,7 @@ static void ssm_scan_f32_cuda(const float * src0, const float * src1, const floa
        }
    } else {
        // Mamba-1
+        constexpr int threads = 128;
        GGML_ASSERT(n_head % threads == 0);
        GGML_ASSERT(head_dim == 1);
        GGML_ASSERT(n_group == 1);
@@ -0,0 +1,96 @@
+#include "argsort.cuh"
+#include "top-k.cuh"
+
+#ifdef GGML_CUDA_USE_CUB
+#    include <cub/cub.cuh>
+#    if (CCCL_MAJOR_VERSION >= 3 && CCCL_MINOR_VERSION >= 2)
+#        include <cuda/iterator>
+#        define CUB_TOP_K_AVAILABLE
+using namespace cub;
+#    endif  // CCCL_MAJOR_VERSION >= 3 && CCCL_MINOR_VERSION >= 2
+#endif      // GGML_CUDA_USE_CUB
+
+#ifdef CUB_TOP_K_AVAILABLE
+
+static void top_k_cub(ggml_cuda_pool & pool,
+                      const float *    src,
+                      int *            dst,
+                      const int        ncols,
+                      const int        k,
+                      cudaStream_t     stream) {
+    auto requirements = cuda::execution::require(cuda::execution::determinism::not_guaranteed,
+                                                 cuda::execution::output_ordering::unsorted);
+    auto stream_env   = cuda::stream_ref{ stream };
+    auto env          = cuda::std::execution::env{ stream_env, requirements };
+
+    auto indexes_in = cuda::make_counting_iterator(0);
+
+    size_t temp_storage_bytes = 0;
+    DeviceTopK::MaxPairs(nullptr, temp_storage_bytes, src, cuda::discard_iterator(), indexes_in, dst, ncols, k,
+                         env);
+
+    ggml_cuda_pool_alloc<uint8_t> temp_storage_alloc(pool, temp_storage_bytes);
+    void *                        d_temp_storage = temp_storage_alloc.get();
+
+    DeviceTopK::MaxPairs(d_temp_storage, temp_storage_bytes, src, cuda::discard_iterator(), indexes_in, dst,
+                         ncols, k, env);
+}
+
+#elif defined(GGML_CUDA_USE_CUB)  // CUB_TOP_K_AVAILABLE
+
+static int next_power_of_2(int x) {
+    int n = 1;
+    while (n < x) {
+        n *= 2;
+    }
+    return n;
+}
+
+#endif                            // CUB_TOP_K_AVAILABLE
+
+void ggml_cuda_op_top_k(ggml_backend_cuda_context & ctx, ggml_tensor * dst) {
+    const ggml_tensor * src0   = dst->src[0];
+    const float *       src0_d = (const float *) src0->data;
+    int *               dst_d  = (int *) dst->data;
+    cudaStream_t        stream = ctx.stream();
+
+    // are these asserts truly necessary?
+    GGML_ASSERT(src0->type == GGML_TYPE_F32);
+    GGML_ASSERT(dst->type == GGML_TYPE_I32);
+    GGML_ASSERT(ggml_is_contiguous(src0));
+
+    const int64_t    ncols = src0->ne[0];
+    const int64_t    nrows = ggml_nrows(src0);
+    const int64_t    k     = dst->ne[0];
+    ggml_cuda_pool & pool  = ctx.pool();
+#ifdef CUB_TOP_K_AVAILABLE
+    // TODO: Switch to `DeviceSegmentedTopK` for multi-row TopK once implemented
+    // https://github.com/NVIDIA/cccl/issues/6391
+    // TODO: investigate if there exists a point where parallelized argsort is faster than sequential top-k
+    for (int i = 0; i < nrows; i++) {
+        top_k_cub(pool, src0_d + i * ncols, dst_d + i * k, ncols, k, stream);
+    }
+#elif defined(GGML_CUDA_USE_CUB)  // CUB_TOP_K_AVAILABLE
+    // Fall back to argsort + copy
+    const int    ncols_pad      = next_power_of_2(ncols);
+    const size_t shared_mem     = ncols_pad * sizeof(int);
+    const size_t max_shared_mem = ggml_cuda_info().devices[ggml_cuda_get_device()].smpb;
+
+    ggml_cuda_pool_alloc<int> temp_dst_alloc(pool, ncols * nrows);
+    int *                     tmp_dst = temp_dst_alloc.get();
+
+    if (shared_mem > max_shared_mem || ncols > 1024) {
+        argsort_f32_i32_cuda_cub(pool, src0_d, tmp_dst, ncols, nrows, GGML_SORT_ORDER_DESC, stream);
+    } else {
+        argsort_f32_i32_cuda_bitonic(src0_d, tmp_dst, ncols, nrows, GGML_SORT_ORDER_DESC, stream);
+    }
+    CUDA_CHECK(cudaMemcpy2DAsync(dst_d, k * sizeof(int), tmp_dst, ncols * sizeof(int), k * sizeof(int), nrows,
+                                 cudaMemcpyDeviceToDevice, stream));
+#else                             // GGML_CUDA_USE_CUB
+    ggml_cuda_pool_alloc<int> temp_dst_alloc(pool, ncols * nrows);
+    int *                     tmp_dst = temp_dst_alloc.get();
+    argsort_f32_i32_cuda_bitonic(src0_d, tmp_dst, ncols, nrows, GGML_SORT_ORDER_DESC, stream);
+    CUDA_CHECK(cudaMemcpy2DAsync(dst_d, k * sizeof(int), tmp_dst, ncols * sizeof(int), k * sizeof(int), nrows,
+                                 cudaMemcpyDeviceToDevice, stream));
+#endif
+}
@@ -0,0 +1,3 @@
+#include "common.cuh"
+
+void ggml_cuda_op_top_k(ggml_backend_cuda_context & ctx, ggml_tensor * dst);
@@ -45,9 +45,11 @@
 #define cublasSgemm hipblasSgemm
 #define cublasStatus_t hipblasStatus_t
 #define cublasOperation_t hipblasOperation_t
+#define cudaDevAttrCooperativeLaunch hipDeviceAttributeCooperativeLaunch
 #define cudaDeviceCanAccessPeer hipDeviceCanAccessPeer
 #define cudaDeviceDisablePeerAccess hipDeviceDisablePeerAccess
 #define cudaDeviceEnablePeerAccess hipDeviceEnablePeerAccess
+#define cudaDeviceGetAttribute hipDeviceGetAttribute
 #define cudaDeviceProp hipDeviceProp_t
 #define cudaDeviceSynchronize hipDeviceSynchronize
 #define cudaError_t hipError_t
@@ -70,6 +72,7 @@
 #define cudaHostRegisterPortable hipHostRegisterPortable
 #define cudaHostRegisterReadOnly hipHostRegisterReadOnly
 #define cudaHostUnregister hipHostUnregister
+#define cudaLaunchCooperativeKernel hipLaunchCooperativeKernel
 #define cudaLaunchHostFunc hipLaunchHostFunc
 #define cudaMalloc hipMalloc
 #define cudaMallocHost(ptr, size) hipHostMalloc(ptr, size, hipHostMallocDefault)
@@ -61,6 +61,7 @@
 #define cudaHostRegisterPortable musaHostRegisterPortable
 #define cudaHostRegisterReadOnly musaHostRegisterReadOnly
 #define cudaHostUnregister musaHostUnregister
+#define cudaLaunchCooperativeKernel musaLaunchCooperativeKernel
 #define cudaLaunchHostFunc musaLaunchHostFunc
 #define cudaMalloc musaMalloc
 #define cudaMallocHost musaMallocHost
@@ -1773,6 +1773,37 @@ static bool hex_supported_dims2(const struct ggml_tensor * x, const struct ggml_
    return true;
 }

+static bool ggml_hexagon_supported_flash_attn_ext(const struct ggml_hexagon_session * sess, const struct ggml_tensor * op) {
+    const struct ggml_tensor * src0 = op->src[0];
+    const struct ggml_tensor * src1 = op->src[1];
+    const struct ggml_tensor * src2 = op->src[2];
+    const struct ggml_tensor * src3 = op->src[3];
+    const struct ggml_tensor * src4 = op->src[4];
+    const struct ggml_tensor * dst  = op;
+
+    // Check for F16 support only as requested
+    if ((src0->type != GGML_TYPE_F16 && src0->type != GGML_TYPE_F32) || src1->type != GGML_TYPE_F16 || src2->type != GGML_TYPE_F16) {
+        return false;
+    }
+
+    if (src3 && src3->type != GGML_TYPE_F16) {  // mask
+        return false;
+    }
+
+    if (src4 && src4->type != GGML_TYPE_F32) {  // sinks
+        return false;
+    }
+
+    // For now we support F32 or F16 output as htp backend often converts output on the fly if needed,
+    // but the op implementation writes to F16 or F32.
+    // Let's assume dst can be F32 or F16.
+    if (dst->type != GGML_TYPE_F32 && dst->type != GGML_TYPE_F16) {
+        return false;
+    }
+
+    return opt_experimental;
+}
+
 static bool hex_supported_src0_type(ggml_type t) {
    return t == GGML_TYPE_F32;
 }
@@ -1815,12 +1846,11 @@ static bool ggml_hexagon_supported_mul_mat(const struct ggml_hexagon_session * s
    const struct ggml_tensor * src0 = dst->src[0];
    const struct ggml_tensor * src1 = dst->src[1];

-    if (src1->type != GGML_TYPE_F32 || dst->type != GGML_TYPE_F32) {
+    if (dst->type != GGML_TYPE_F32) {
        return false;
    }

-    // TODO: add support for non-cont tensors
-    if (!ggml_is_contiguous(src1) || !ggml_is_contiguous(dst)) {
+    if (src1->type != GGML_TYPE_F32 && src1->type != GGML_TYPE_F16) {
        return false;
    }

@@ -1836,7 +1866,6 @@ static bool ggml_hexagon_supported_mul_mat(const struct ggml_hexagon_session * s
                return false;  // typically the lm-head which would be too large for VTCM
            }

-            // if ((src0->ne[2] != src1->ne[2] || src0->ne[3] != src1->ne[3])) return false;
            if ((src1->ne[2] != 1 || src1->ne[3] != 1)) {
                return false;
            }
@@ -1885,21 +1914,10 @@ static bool ggml_hexagon_supported_mul_mat_id(const struct ggml_hexagon_session
            }
            break;

-        case GGML_TYPE_F16:
-            if (!opt_experimental) {
-                return false;
-            }
-            break;
-
        default:
            return false;
    }

-    // TODO: add support for non-cont tensors
-    if (!ggml_is_contiguous(src1) || !ggml_is_contiguous(dst)) {
-        return false;
-    }
-
    return true;
 }

@@ -2060,6 +2078,46 @@ static bool ggml_hexagon_supported_softmax(const struct ggml_hexagon_session * s
    return true;
 }

+static bool ggml_hexagon_supported_set_rows(const struct ggml_hexagon_session * sess, const struct ggml_tensor * op) {
+    const struct ggml_tensor * src0 = op->src[0]; // values
+    const struct ggml_tensor * src1 = op->src[1]; // indices
+    const struct ggml_tensor * dst  = op;
+
+    if (src0->type != GGML_TYPE_F32) {
+        return false;
+    }
+
+    if (src1->type != GGML_TYPE_I32 && src1->type != GGML_TYPE_I64) {
+        return false;
+    }
+
+    if (dst->type != GGML_TYPE_F16) {
+        return false;
+    }
+
+    return true;
+}
+
+static bool ggml_hexagon_supported_get_rows(const struct ggml_hexagon_session * sess, const struct ggml_tensor * op) {
+    const struct ggml_tensor * src0 = op->src[0]; // values
+    const struct ggml_tensor * src1 = op->src[1]; // indices
+    const struct ggml_tensor * dst  = op;
+
+    if (src0->type != GGML_TYPE_F32) {
+        return false;
+    }
+
+    if (src1->type != GGML_TYPE_I32 && src1->type != GGML_TYPE_I64) {
+        return false;
+    }
+
+    if (dst->type != GGML_TYPE_F32) {
+        return false;
+    }
+
+    return true;
+}
+
 static bool ggml_hexagon_supported_rope(const struct ggml_hexagon_session * sess, const struct ggml_tensor * op) {
    const int32_t * op_params = &op->op_params[0];

@@ -2154,6 +2212,11 @@ static size_t htp_req_buff_init(htp_tensor *h, dspqueue_buffer * d, const ggml_t
    d->offset = (uint8_t *) t->data - buf->base;
    d->size   = ggml_nbytes(t);

+    if (!d->size) {
+        // Some requests contain srcs where ggml_nbytes() returns 0 but the rest of the op is non-empty
+        d->size = 64;
+    }
+
    switch (type) {
        case DSPQBUF_TYPE_DSP_WRITE_CPU_READ:
            // Flush CPU
@@ -2239,6 +2302,17 @@ static inline size_t init_binary_req(htp_general_req * req, dspqueue_buffer * bu
    return n_bufs;
 }

+static inline size_t init_get_rows_req(htp_general_req * req, dspqueue_buffer * bufs, const ggml_tensor * t) {
+    req->op = HTP_OP_GET_ROWS;
+
+    size_t n_bufs = 0;
+    n_bufs += htp_req_buff_init(&req->src0, &bufs[n_bufs], t->src[0], DSPQBUF_TYPE_CPU_WRITE_DSP_READ);
+    n_bufs += htp_req_buff_init(&req->src1, &bufs[n_bufs], t->src[1], DSPQBUF_TYPE_CPU_WRITE_DSP_READ);
+    n_bufs += htp_req_buff_init(&req->dst,  &bufs[n_bufs], t,         DSPQBUF_TYPE_DSP_WRITE_CPU_READ);
+
+    return n_bufs;
+}
+
 template <bool _is_src0_constant>
 static inline size_t init_binary_id_req(htp_general_req * req, dspqueue_buffer * bufs, const ggml_tensor * t) {
    switch (t->op) {
@@ -2266,6 +2340,17 @@ static inline size_t init_binary_id_req(htp_general_req * req, dspqueue_buffer *
    return n_bufs;
 }

+static inline size_t init_set_rows_req(htp_general_req * req, dspqueue_buffer * bufs, const ggml_tensor * t) {
+    req->op = HTP_OP_SET_ROWS;
+
+    size_t n_bufs = 0;
+    n_bufs += htp_req_buff_init(&req->src0, &bufs[n_bufs], t->src[0], DSPQBUF_TYPE_CPU_WRITE_DSP_READ);
+    n_bufs += htp_req_buff_init(&req->src1, &bufs[n_bufs], t->src[1], DSPQBUF_TYPE_CPU_WRITE_DSP_READ);
+    n_bufs += htp_req_buff_init(&req->dst,  &bufs[n_bufs], t,         DSPQBUF_TYPE_DSP_WRITE_CPU_READ);
+
+    return n_bufs;
+}
+
 static inline size_t init_unary_req(htp_general_req * req, dspqueue_buffer * bufs, const ggml_tensor * t) {
    memcpy(&req->op_params, &t->op_params, sizeof(t->op_params));

@@ -2277,6 +2362,11 @@ static inline size_t init_unary_req(htp_general_req * req, dspqueue_buffer * buf
            supported = true;
            break;

+        case GGML_OP_SCALE:
+            req->op   = HTP_OP_SCALE;
+            supported = true;
+            break;
+
        case GGML_OP_UNARY:
            if (ggml_get_unary_op(t) == GGML_UNARY_OP_SILU) {
                req->op   = HTP_OP_UNARY_SILU;
@@ -2331,6 +2421,21 @@ static inline size_t init_rope_req(htp_general_req * req, dspqueue_buffer * bufs
    return n_bufs;
 }

+static inline size_t init_flash_attn_ext_req(htp_general_req * req, dspqueue_buffer * bufs, const ggml_tensor * t) {
+    memcpy(&req->op_params, &t->op_params, sizeof(t->op_params));
+    req->op = HTP_OP_FLASH_ATTN_EXT;
+
+    size_t n_bufs = 0;
+    n_bufs += htp_req_buff_init(&req->src0, &bufs[n_bufs], t->src[0], DSPQBUF_TYPE_CPU_WRITE_DSP_READ);
+    n_bufs += htp_req_buff_init(&req->src1, &bufs[n_bufs], t->src[1], DSPQBUF_TYPE_CPU_WRITE_DSP_READ);
+    n_bufs += htp_req_buff_init(&req->src2, &bufs[n_bufs], t->src[2], DSPQBUF_TYPE_CPU_WRITE_DSP_READ);
+    n_bufs += htp_req_buff_init(&req->src3, &bufs[n_bufs], t->src[3], DSPQBUF_TYPE_CPU_WRITE_DSP_READ);
+    n_bufs += htp_req_buff_init(&req->src4, &bufs[n_bufs], t->src[4], DSPQBUF_TYPE_CPU_WRITE_DSP_READ);
+    n_bufs += htp_req_buff_init(&req->dst,  &bufs[n_bufs], t,         DSPQBUF_TYPE_DSP_WRITE_CPU_READ);
+
+    return n_bufs;
+}
+
 static const char * ggml_backend_hexagon_name(ggml_backend_t backend) {
    auto sess = static_cast<ggml_hexagon_session *>(backend->context);
    return sess->name.c_str();
@@ -2417,6 +2522,7 @@ static ggml_status ggml_backend_hexagon_graph_compute(ggml_backend_t backend, gg
                ggml_hexagon_dispatch_op<init_binary_id_req<false>>(sess, node, flags);
                break;
            case GGML_OP_RMS_NORM:
+            case GGML_OP_SCALE:
                ggml_hexagon_dispatch_op<init_unary_req>(sess, node, flags);
                break;
            case GGML_OP_UNARY:
@@ -2439,6 +2545,18 @@ static ggml_status ggml_backend_hexagon_graph_compute(ggml_backend_t backend, gg
                ggml_hexagon_dispatch_op<init_rope_req>(sess, node, flags);
                break;

+            case GGML_OP_FLASH_ATTN_EXT:
+                ggml_hexagon_dispatch_op<init_flash_attn_ext_req>(sess, node, flags);
+                break;
+
+            case GGML_OP_SET_ROWS:
+                ggml_hexagon_dispatch_op<init_set_rows_req>(sess, node, flags);
+                break;
+
+            case GGML_OP_GET_ROWS:
+                ggml_hexagon_dispatch_op<init_get_rows_req>(sess, node, flags);
+                break;
+
            default:
                GGML_ABORT("\nggml-hex: graph-compute %s is not supported\n", ggml_op_desc(node));
        }
@@ -2778,6 +2896,7 @@ static bool ggml_backend_hexagon_device_supports_op(ggml_backend_dev_t dev, cons
            break;

        case GGML_OP_RMS_NORM:
+        case GGML_OP_SCALE:
            supp = ggml_hexagon_supported_unary(sess, op);
            break;

@@ -2805,6 +2924,18 @@ static bool ggml_backend_hexagon_device_supports_op(ggml_backend_dev_t dev, cons
            supp = ggml_hexagon_supported_rope(sess, op);
            break;

+        case GGML_OP_FLASH_ATTN_EXT:
+            supp = ggml_hexagon_supported_flash_attn_ext(sess, op);
+            break;
+
+        case GGML_OP_SET_ROWS:
+            supp = ggml_hexagon_supported_set_rows(sess, op);
+            break;
+
+        case GGML_OP_GET_ROWS:
+            supp = ggml_hexagon_supported_get_rows(sess, op);
+            break;
+
        default:
            break;
    }
@@ -28,6 +28,9 @@ add_library(${HTP_LIB} SHARED
    softmax-ops.c
    act-ops.c
    rope-ops.c
+    flash-attn-ops.c
+    set-rows-ops.c
+    get-rows-ops.c
 )

 target_compile_definitions(${HTP_LIB} PRIVATE
@@ -85,13 +85,16 @@ static void glu_swiglu_fp32_per_thread(const struct htp_tensor * src0,
                                       struct htp_spad *         dst_spad,
                                       uint32_t                  nth,
                                       uint32_t                  ith,
-                                       uint32_t                  src0_nrows_per_thread) {
+                                       uint32_t                  src0_nrows_per_thread,
+                                       dma_queue *               dma_queue) {
    htp_act_preamble3;

    size_t src0_row_size = nb01;
    size_t src1_row_size = nb11;
    size_t dst_row_size  = nb1;

+
+
    const uint32_t src0_nrows = ne01 * ne02 * ne03;  // src0 rows

    const uint32_t src0_start_row = src0_nrows_per_thread * ith;
@@ -105,10 +108,129 @@ static void glu_swiglu_fp32_per_thread(const struct htp_tensor * src0,
    uint64_t t1, t2;
    t1 = HAP_perf_get_qtimer_count();

-    int is_aligned = 1;
-    if (!htp_is_aligned((void *) src0->data, VLEN) || !htp_is_aligned((void *) dst->data, VLEN)) {
-        is_aligned = 0;
-        FARF(HIGH, "swiglu-f32: unaligned addresses in elementwise op, possibly slower execution\n");
+    const uint8_t * restrict data_src0 = (const uint8_t *) src0->data;
+    const uint8_t * restrict data_src1 = (const uint8_t *) src1->data;
+    uint8_t * restrict data_dst        = (uint8_t *) dst->data;
+
+    const bool src1_valid = src1->ne[0];
+    const int  nc         = (src1_valid) ? ne00 : ne00 / 2;
+    if (!src1_valid) {
+        const int32_t swapped = op_params[1];
+        data_src1             = data_src0;
+        src1_row_size         = src0_row_size;
+
+        const size_t nc_in_bytes = nc * SIZEOF_FP32;
+        data_src0 += swapped ? nc_in_bytes : 0;
+        data_src1 += swapped ? 0 : nc_in_bytes;
+    }
+
+    const size_t src0_row_size_aligned = htp_round_up(src0_row_size, VLEN);
+    const size_t src1_row_size_aligned = htp_round_up(src1_row_size, VLEN);
+    const size_t dst_row_size_aligned  = htp_round_up(dst_row_size, VLEN);
+
+    uint8_t * restrict src0_spad_data = src0_spad->data + (ith * src0_spad->size_per_thread);
+    uint8_t * restrict src1_spad_data = src1_spad->data + (ith * src1_spad->size_per_thread);
+    uint8_t * restrict dst_spad_data  = dst_spad->data + (ith * dst_spad->size_per_thread);
+
+    // While given src0_spad->size_per_thread, divide it to two ping-pong buffer for src0
+    size_t src0_spad_half_size = src0_spad->size_per_thread / 2;
+    size_t src1_spad_half_size = src1_spad->size_per_thread / 2;
+    size_t dst_spad_half_size  = dst_spad->size_per_thread / 2;
+
+    const int BLOCK = src0_spad_half_size / src0_row_size_aligned;  // How many rows can we process in one block
+    if (BLOCK == 0) {
+        FARF(ERROR,
+             "swiglu-f32 : current VTCM reservation %zu is too small for even 1 row per thread, needed at least %zu\n",
+             src0_spad->size_per_thread, src0_row_size_aligned);
+        return;
+    }
+
+    // See discussion: https://github.com/ggml-org/llama.cpp/pull/18151#issuecomment-3678235379
+    for (uint32_t ir = src0_start_row, spad_idx = 0; ir < src0_end_row && spad_idx < 2; ir += BLOCK, spad_idx++) {
+        const uint32_t block_size = MIN(BLOCK, src0_end_row - ir);
+
+        // Dummy DMA transation for sequencing (interleaving dst,src,dst,...)
+        dma_queue_push_vtcm_to_ddr(dma_queue,
+            dma_make_ptr(data_dst, dst_spad_data + (spad_idx * dst_spad_half_size)),
+            dst_row_size, dst_row_size_aligned, 0);
+
+        dma_queue_push_ddr_to_vtcm(dma_queue,
+            dma_make_ptr(src0_spad_data + (spad_idx * src0_spad_half_size), data_src0 + (ir * src0_row_size)),
+            src0_row_size_aligned, src0_row_size, block_size);
+        dma_queue_push_ddr_to_vtcm(dma_queue,
+            dma_make_ptr(src1_spad_data + (spad_idx * src1_spad_half_size), data_src1 + (ir * src1_row_size)),
+            src1_row_size_aligned, src1_row_size, block_size);
+    }
+
+    for (uint32_t ir = src0_start_row; ir < src0_end_row; ir += BLOCK) {
+        const uint32_t block_size = MIN(BLOCK, src0_end_row - ir);
+
+        float * dst_spad  = (float *) dma_queue_pop(dma_queue).src;
+        float * src0_spad = (float *) dma_queue_pop(dma_queue).dst;
+        float * src1_spad = (float *) dma_queue_pop(dma_queue).dst;
+
+        for (uint32_t ib = 0; ib < block_size; ib++) {
+            const float * src0_spad_ptr = src0_spad + ib * (src0_row_size_aligned / sizeof(float));
+            const float * src1_spad_ptr = src1_spad + ib * (src1_row_size_aligned / sizeof(float));
+            float *       dst_spad_ptr  = dst_spad + ib * (dst_row_size_aligned / sizeof(float));
+
+            //swiglu(x) = x1 * sigmoid(x0)
+            hvx_fast_sigmoid_f32((const uint8_t *) src0_spad_ptr, (uint8_t *) dst_spad_ptr, nc);
+            hvx_mul_mul_f32_opt((const uint8_t *) src0_spad_ptr, (const uint8_t *) dst_spad_ptr,
+                                (const uint8_t *) src1_spad_ptr, (uint8_t *) dst_spad_ptr, nc);
+        }
+
+        dma_queue_push_vtcm_to_ddr(dma_queue, dma_make_ptr(data_dst + (ir * dst_row_size), dst_spad), dst_row_size,
+                                   dst_row_size_aligned, block_size);
+
+        // prefetch N+2 loop iteration if any
+        const uint32_t pref_block = (ir + BLOCK * 2);
+        if (pref_block < src0_end_row) {
+            const uint32_t pref_block_size = MIN(BLOCK, src0_end_row - pref_block);
+            dma_queue_push_ddr_to_vtcm(dma_queue, dma_make_ptr(src0_spad, data_src0 + (pref_block * src0_row_size)),
+                                       src0_row_size_aligned, src0_row_size, pref_block_size);
+            dma_queue_push_ddr_to_vtcm(dma_queue, dma_make_ptr(src1_spad, data_src1 + (pref_block * src1_row_size)),
+                                       src1_row_size_aligned, src1_row_size, pref_block_size);
+        }
+    }
+
+    dma_queue_flush(dma_queue);
+
+    t2 = HAP_perf_get_qtimer_count();
+
+    FARF(HIGH, "swiglu-f32 %d/%d: %ux%ux%ux%u (%u:%u) x %ux%ux%ux%u -> %ux%ux%ux%u usec %u\n", ith, nth,
+         ne00, ne01, ne02, ne03, src0_start_row, src0_end_row, ne10, ne11, ne12, ne13, ne0, ne1, ne2, ne3,
+         (unsigned) HAP_perf_qtimer_count_to_us(t2 - t1));
+}
+
+static void glu_swiglu_oai_fp32_per_thread(const struct htp_tensor * src0,
+                                           const struct htp_tensor * src1,
+                                           struct htp_tensor *       dst,
+                                           const int32_t *           op_params,
+                                           struct htp_spad *         src0_spad,
+                                           struct htp_spad *         src1_spad,
+                                           struct htp_spad *         dst_spad,
+                                           uint32_t                  nth,
+                                           uint32_t                  ith,
+                                           uint32_t                  src0_nrows_per_thread,
+                                           dma_queue *               dma_queue) {
+    htp_act_preamble3;
+
+    uint64_t t1, t2;
+    t1 = HAP_perf_get_qtimer_count();
+
+    size_t src0_row_size = nb01;
+    size_t src1_row_size = nb11;
+    size_t dst_row_size  = nb1;
+
+    const uint32_t src0_nrows = ne01 * ne02 * ne03;  // src0 rows
+
+    const uint32_t src0_start_row = src0_nrows_per_thread * ith;
+    const uint32_t src0_end_row   = MIN(src0_start_row + src0_nrows_per_thread, src0_nrows);
+
+    // no work for this thread
+    if (src0_start_row >= src0_end_row) {
+        return;
    }

    const uint8_t * restrict data_src0 = (const uint8_t *) src0->data;
@@ -127,130 +249,94 @@ static void glu_swiglu_fp32_per_thread(const struct htp_tensor * src0,
        data_src1 += swapped ? 0 : nc_in_bytes;
    }

-    uint8_t * restrict src0_spad_data = src0_spad->data + (ith * src0_row_size);
-    uint8_t * restrict src1_spad_data = src1_spad->data + (ith * src1_row_size);
-    uint8_t * restrict dst_spad_data  = dst_spad->data + (ith * dst_row_size);
+    const size_t src0_row_size_aligned = htp_round_up(src0_row_size, VLEN);
+    const size_t src1_row_size_aligned = htp_round_up(src1_row_size, VLEN);
+    const size_t dst_row_size_aligned  = htp_round_up(dst_row_size, VLEN);

-    const bool opt_path = ((1 == is_aligned) && !(nb01 & (VLEN - 1)));
-    for (uint32_t ir = src0_start_row; ir < src0_end_row; ir++) {
-        const float * restrict src0 = (float *) (data_src0 + (ir * src0_row_size));
-        const float * restrict src1 = (float *) (data_src1 + (ir * src1_row_size));
-        float * restrict dst        = (float *) (data_dst + (ir * dst_row_size));
+    uint8_t * restrict src0_spad_data = src0_spad->data + (ith * src0_spad->size_per_thread);
+    uint8_t * restrict src1_spad_data = src1_spad->data + (ith * src1_spad->size_per_thread);
+    uint8_t * restrict dst_spad_data  = dst_spad->data + (ith * dst_spad->size_per_thread);

-        if (ir + 1 < src0_end_row) {
-            htp_l2fetch(src0 + src0_row_size, 1, src0_row_size, src0_row_size);
-        }
+    // While given src0_spad->size_per_thread, divide it to two ping-pong buffer for src0
+    size_t src0_spad_half_size = src0_spad->size_per_thread / 2;
+    size_t src1_spad_half_size = src1_spad->size_per_thread / 2;
+    size_t dst_spad_half_size  = dst_spad->size_per_thread / 2;

-        if (opt_path) {
-            hvx_fast_sigmoid_f32((const uint8_t *) src0, (uint8_t *) src0_spad_data, nc);
-            hvx_mul_mul_f32_opt((const uint8_t *) src0, (const uint8_t *) src0_spad_data, (const uint8_t *) src1,
-                                (uint8_t *) dst, nc);
-        } else {
-            hvx_exp_f32((const uint8_t *) src0, src0_spad_data, nc, true);
-            hvx_add_scalar_f32(src0_spad_data, 1.0, src1_spad_data, nc);
-            hvx_inverse_f32(src1_spad_data, src0_spad_data, nc);
-
-            hvx_mul_f32((const uint8_t *) src0, src0_spad_data, dst_spad_data, nc);
-            hvx_mul_f32(dst_spad_data, (const uint8_t *) src1, (uint8_t *) dst, nc);
-        }
-    }
-
-    t2 = HAP_perf_get_qtimer_count();
-
-    FARF(HIGH, "swiglu-f32 %d/%d/%d: %ux%ux%ux%u (%u:%u) x %ux%ux%ux%u -> %ux%ux%ux%u usec %u\n", ith, nth, opt_path,
-         ne00, ne01, ne02, ne03, src0_start_row, src0_end_row, ne10, ne11, ne12, ne13, ne0, ne1, ne2, ne3,
-         (unsigned) HAP_perf_qtimer_count_to_us(t2 - t1));
-}
-
-static void glu_swiglu_oai_fp32_per_thread(const struct htp_tensor * src0,
-                                           const struct htp_tensor * src1,
-                                           struct htp_tensor *       dst,
-                                           const int32_t *           op_params,
-                                           struct htp_spad *         src0_spad,
-                                           struct htp_spad *         src1_spad,
-                                           struct htp_spad *         dst_spad,
-                                           uint32_t                  nth,
-                                           uint32_t                  ith,
-                                           uint32_t                  src0_nrows_per_thread) {
-    htp_act_preamble3;
-
-    uint64_t t1, t2;
-    t1 = HAP_perf_get_qtimer_count();
-
-    const size_t src0_row_size = nb01;
-    const size_t src1_row_size = nb11;
-    const size_t dst_row_size  = nb1;
-
-    const uint32_t src0_nrows = ne01 * ne02 * ne03;  // src0 rows
-
-    const uint32_t src0_start_row = src0_nrows_per_thread * ith;
-    const uint32_t src0_end_row   = MIN(src0_start_row + src0_nrows_per_thread, src0_nrows);
-
-    // no work for this thread
-    if (src0_start_row >= src0_end_row) {
+    const int BLOCK = src0_spad_half_size / src0_row_size_aligned;  // How many rows can we process in one block
+    if (BLOCK == 0) {
+        FARF(ERROR,
+             "swiglu-oai-f32 : current VTCM reservation %zu is too small for even 1 row per thread, needed at least "
+             "%zu\n",
+             src0_spad->size_per_thread, src0_row_size_aligned);
        return;
    }
+    const float alpha = ((const float *) (op_params))[2];
+    const float limit = ((const float *) (op_params))[3];

-    if (!htp_is_aligned((void *) src0->data, VLEN) || !htp_is_aligned((void *) dst->data, VLEN)) {
-        FARF(HIGH, "act-f32: unaligned addresses in activations op, possibly slower execution\n");
+    // See discussion: https://github.com/ggml-org/llama.cpp/pull/18151#issuecomment-3678235379
+    for (uint32_t ir = src0_start_row, spad_idx = 0; ir < src0_end_row && spad_idx < 2; ir += BLOCK, spad_idx++) {
+        const uint32_t block_size = MIN(BLOCK, src0_end_row - ir);
+
+        // Dummy DMA transation for sequencing (interleaving dst,src,dst,...)
+        dma_queue_push_vtcm_to_ddr(dma_queue, dma_make_ptr(data_dst, dst_spad_data + (spad_idx * dst_spad_half_size)),
+                                   dst_row_size, dst_row_size_aligned, 0);
+
+        dma_queue_push_ddr_to_vtcm(
+            dma_queue,
+            dma_make_ptr(src0_spad_data + (spad_idx * src0_spad_half_size), data_src0 + (ir * src0_row_size)),
+            src0_row_size_aligned, src0_row_size, block_size);
+        dma_queue_push_ddr_to_vtcm(
+            dma_queue,
+            dma_make_ptr(src1_spad_data + (spad_idx * src1_spad_half_size), data_src1 + (ir * src1_row_size)),
+            src1_row_size_aligned, src1_row_size, block_size);
    }

-    const uint8_t * restrict data_src0 = (const uint8_t *) src0->data;
-    const uint8_t * restrict data_src1 = (const uint8_t *) src1->data;
-    uint8_t * restrict data_dst        = (uint8_t *) dst->data;
+    for (uint32_t ir = src0_start_row; ir < src0_end_row; ir += BLOCK) {
+        const uint32_t block_size = MIN(BLOCK, src0_end_row - ir);

-    bool src1_valid = src1->ne[0];
-    if (!src1_valid) {
-        data_src1 = data_src0;
-    }
+        float * dst_spad  = (float *) dma_queue_pop(dma_queue).src;
+        float * src0_spad = (float *) dma_queue_pop(dma_queue).dst;
+        float * src1_spad = (float *) dma_queue_pop(dma_queue).dst;

-    uint8_t * restrict src0_spad_data = src0_spad->data + (ith * src0_row_size);
-    uint8_t * restrict src1_spad_data = src1_spad->data + (ith * src1_row_size);
-    uint8_t * restrict dst_spad_data  = dst_spad->data + (ith * dst_row_size);
+        for (uint32_t ib = 0; ib < block_size; ib++) {
+            const float * src0_spad_ptr = src0_spad + ib * (src0_row_size_aligned / sizeof(float));
+            const float * src1_spad_ptr = src1_spad + ib * (src1_row_size_aligned / sizeof(float));
+            float *       dst_spad_ptr  = dst_spad + ib * (dst_row_size_aligned / sizeof(float));

-    const int32_t swapped = op_params[1];
-    const float   alpha   = ((const float *) (op_params))[2];
-    const float   limit   = ((const float *) (op_params))[3];
-
-    const int nc = (src1_valid) ? ne00 : ne00 / 2;
-
-    for (uint32_t ir = src0_start_row; ir < src0_end_row; ir++) {
-        const float * restrict src0 = (float *) (data_src0 + (ir * src0_row_size));
-        const float * restrict src1 = (float *) (data_src1 + (ir * src1_row_size));
-        float * restrict dst        = (float *) (data_dst + (ir * dst_row_size));
-
-        if (ir + 1 < src0_end_row) {
-            htp_l2fetch(src0 + src0_row_size, 1, src0_row_size, src0_row_size);
+            // x (src0_spad_data) = std::min(src0_p[k], limit);
+            hvx_min_scalar_f32((const uint8_t *) src0_spad_ptr, limit, (uint8_t *) src0_spad_ptr, nc);
+            // y1 (src1_spad_data) = std::clamp(src1_p[k], -limit, limit);
+            hvx_clamp_scalar_f32((const uint8_t *) src1_spad_ptr, -limit, limit, (uint8_t *) src1_spad_ptr, nc);
+            // y (src1_spad_data)  = y1 + 1.f
+            hvx_add_scalar_f32((const uint8_t *) src1_spad_ptr, 1.0, (uint8_t *) src1_spad_ptr, nc);
+            // x1 (dst_spad_data) = alpha * (x)
+            hvx_mul_scalar_f32((const uint8_t *) src0_spad_ptr, alpha, (uint8_t *) dst_spad_ptr, nc);
+            // x2 (dst_spad_data) = sigmoid(x1) = 1/(1+exp(-x1))
+            hvx_fast_sigmoid_f32((const uint8_t *) dst_spad_ptr, (uint8_t *) dst_spad_ptr, nc);
+            // out = x * sigmoid(alpha * x) * (y + 1.f)
+            hvx_mul_mul_f32_opt((const uint8_t *) src0_spad_ptr, (const uint8_t *) dst_spad_ptr,
+                                (const uint8_t *) src1_spad_ptr, (uint8_t *) dst_spad_ptr, nc);
        }

-        if (!src1) {
-            src0 += swapped ? nc : 0;
-            src1 += swapped ? 0 : nc;
-        }
+        dma_queue_push_vtcm_to_ddr(dma_queue, dma_make_ptr(data_dst + (ir * dst_row_size), dst_spad), dst_row_size,
+                                   dst_row_size_aligned, block_size);

-        // x (src0_spad_data) = std::min(src0_p[k], limit);
-        hvx_min_scalar_f32((const uint8_t *) src0, limit, src0_spad_data, nc);
-        // y1 (src1_spad_data) = std::clamp(src1_p[k], -limit, limit);
-        hvx_clamp_scalar_f32((const uint8_t *) src1, -limit, limit, src1_spad_data, nc);
-        // y (src1_spad_data)  = y1 + 1.f
-        hvx_add_scalar_f32(src1_spad_data, 1.0, src1_spad_data, nc);
-        // x1 (dst_spad_data) = alpha * (x)
-        hvx_mul_scalar_f32(src0_spad_data, alpha, dst_spad_data, nc);
-        // x2 (dst_spad_data) = expf(-x1)
-        hvx_exp_f32(dst_spad_data, dst_spad_data, nc, true);
-        // x3 (dst_spad_data) = x2 + 1.f
-        hvx_add_scalar_f32(dst_spad_data, 1.0, dst_spad_data, nc);
-        // x4 (dst_spad_data) = 1 / x3
-        hvx_inverse_f32(dst_spad_data, dst_spad_data, nc);
-        // out_glu(dst_spad_data) = x * x4
-        hvx_mul_f32(src0_spad_data, dst_spad_data, dst_spad_data, nc);
-        // out = out_glu * (y + 1.f);
-        hvx_mul_f32(dst_spad_data, src1_spad_data, (uint8_t *) dst, nc);
+        // prefetch N+2 loop iteration if any
+        const uint32_t pref_block = (ir + BLOCK * 2);
+        if (pref_block < src0_end_row) {
+            const uint32_t pref_block_size = MIN(BLOCK, src0_end_row - pref_block);
+            dma_queue_push_ddr_to_vtcm(dma_queue, dma_make_ptr(src0_spad, data_src0 + (pref_block * src0_row_size)),
+                                       src0_row_size_aligned, src0_row_size, pref_block_size);
+            dma_queue_push_ddr_to_vtcm(dma_queue, dma_make_ptr(src1_spad, data_src1 + (pref_block * src1_row_size)),
+                                       src1_row_size_aligned, src1_row_size, pref_block_size);
+        }
    }

+    dma_queue_flush(dma_queue);
+
    t2 = HAP_perf_get_qtimer_count();

-    FARF(HIGH, "swiglu-f32 %d/%d: %ux%ux%ux%u (%u:%u) x %ux%ux%ux%u -> %ux%ux%ux%u usec %u\n", ith, nth, src0->ne[0],
+    FARF(HIGH, "swiglu-oai-f32 %d/%d: %ux%ux%ux%u (%u:%u) x %ux%ux%ux%u -> %ux%ux%ux%u usec %u\n", ith, nth, src0->ne[0],
         src0->ne[1], src0->ne[2], src0->ne[3], src0_start_row, src0_end_row, src1->ne[0], src1->ne[1], src1->ne[2],
         src1->ne[3], dst->ne[0], dst->ne[1], dst->ne[2], dst->ne[3], (unsigned) HAP_perf_qtimer_count_to_us(t2 - t1));
 }
@@ -371,7 +457,8 @@ static void unary_silu_fp32_per_thread(const struct htp_tensor * src0,
                                       struct htp_spad *         dst_spad,
                                       uint32_t                  nth,
                                       uint32_t                  ith,
-                                       uint32_t                  src0_nrows_per_thread) {
+                                       uint32_t                  src0_nrows_per_thread,
+                                       dma_queue *               dma_queue) {
    htp_act_preamble2;

    uint64_t t1, t2;
@@ -379,6 +466,8 @@ static void unary_silu_fp32_per_thread(const struct htp_tensor * src0,

    const size_t src0_row_size = nb01;
    const size_t dst_row_size  = nb1;
+    const size_t src0_row_size_aligned = htp_round_up(src0_row_size, VLEN);
+    const size_t dst_row_size_aligned  = htp_round_up(dst_row_size, VLEN);

    const uint32_t src0_nrows = ne01 * ne02 * ne03;

@@ -390,64 +479,91 @@ static void unary_silu_fp32_per_thread(const struct htp_tensor * src0,
        return;
    }

-    int is_aligned = 1;
-    int opt_path   = 0;
-    if (!htp_is_aligned((void *) src0->data, VLEN) || !htp_is_aligned((void *) dst->data, VLEN)) {
-        is_aligned = 0;
-        FARF(HIGH, "silu-f32: unaligned addresses in elementwise op, possibly slower execution\n");
-    }
-    if ((1 == is_aligned) && !(nb01 & (VLEN - 1))) {
-        opt_path = 1;
+    const uint8_t * data_src0 = (const uint8_t *) src0->data;
+    uint8_t * data_dst        = (uint8_t *) dst->data;
+
+    uint8_t * src0_spad_data = src0_spad->data + (ith * src0_spad->size_per_thread);
+    uint8_t * dst_spad_data  = dst_spad->data  + (ith * dst_spad->size_per_thread);
+
+    // While given src0_spad->size_per_thread, divide it to two ping-pong buffer for src0
+    size_t src0_spad_half_size = src0_spad->size_per_thread / 2;
+    size_t dst_spad_half_size  = dst_spad->size_per_thread  / 2;
+
+    const int BLOCK = src0_spad_half_size / src0_row_size_aligned; // How many rows can we process in one block
+
+    if (BLOCK == 0) {
+        FARF(ERROR, "silu-f32 : current VTCM reservation %zu is too small for even 1 row per thread, needed at least %zu\n",
+                src0_spad->size_per_thread, src0_row_size_aligned);
+        return;
    }

-    const uint8_t * restrict data_src0 = (const uint8_t *) src0->data;
-    uint8_t * restrict data_dst        = (uint8_t *) dst->data;
+    // See discussion: https://github.com/ggml-org/llama.cpp/pull/18151#issuecomment-3678235379
+    for (uint32_t ir = src0_start_row, spad_idx = 0; ir < src0_end_row && spad_idx < 2; ir += BLOCK, spad_idx++) {
+        const uint32_t block_size = MIN(BLOCK, src0_end_row - ir);

-    uint8_t * restrict src0_spad_data = src0_spad->data + (ith * src0_row_size);
-    uint8_t * restrict dst_spad_data  = dst_spad->data + (ith * dst_row_size);
+        // Dummy DMA transation for sequencing (interleaving dst,src,dst,...)
+        dma_queue_push_vtcm_to_ddr(dma_queue,
+            dma_make_ptr(data_dst, dst_spad_data + (spad_idx * dst_spad_half_size)),
+            dst_row_size, dst_row_size_aligned, 0);

-    for (uint32_t ir = src0_start_row; ir < src0_end_row; ir++) {
-        const float * restrict src0 = (float *) (data_src0 + (ir * src0_row_size));
-        float * restrict dst        = (float *) (data_dst + (ir * dst_row_size));
+        dma_queue_push_ddr_to_vtcm(dma_queue,
+            dma_make_ptr(src0_spad_data + (spad_idx * src0_spad_half_size), data_src0 + (ir * src0_row_size)),
+            src0_row_size_aligned, src0_row_size, block_size);
+    }

-        if (ir + 1 < src0_end_row) {
-            htp_l2fetch(src0 + src0_row_size, 1, src0_row_size, src0_row_size);
+    for (uint32_t ir = src0_start_row; ir < src0_end_row; ir += BLOCK) {
+        const uint32_t block_size = MIN(BLOCK, src0_end_row - ir);
+
+        float* dst_spad  = (float *) dma_queue_pop(dma_queue).src;
+        float* src0_spad = (float *) dma_queue_pop(dma_queue).dst;
+
+        for (uint32_t ib = 0; ib < block_size; ib++) {
+            const float* src0_spad_ptr = src0_spad + ib * (src0_row_size_aligned / sizeof(float));
+            float* dst_spad_ptr        = dst_spad  + ib * (dst_row_size_aligned  / sizeof(float));
+
+            // silu = x * sigmoid(x)
+            hvx_fast_sigmoid_f32((const uint8_t *) src0_spad_ptr, (uint8_t *) dst_spad_ptr, ne0);
+            hvx_mul_f32_opt((const uint8_t *) src0_spad_ptr, (uint8_t *) dst_spad_ptr, (uint8_t *) dst_spad_ptr, ne0);
        }

-        if (1 == opt_path) {
-            hvx_fast_sigmoid_f32((const uint8_t *) src0, (uint8_t *) src0_spad_data, ne0);
-            hvx_mul_f32_opt((const uint8_t *) src0, src0_spad_data, (uint8_t *) dst, ne0);
-        } else {
-            hvx_exp_f32((const uint8_t *) src0, src0_spad_data, ne0, true);
-            hvx_add_scalar_f32(src0_spad_data, 1.0, dst_spad_data, ne0);
-            hvx_inverse_f32(dst_spad_data, src0_spad_data, ne0);
+        dma_queue_push_vtcm_to_ddr(dma_queue,
+            dma_make_ptr(data_dst + (ir * dst_row_size), dst_spad),
+            dst_row_size, dst_row_size_aligned, block_size);

-            hvx_mul_f32((const uint8_t *) src0, src0_spad_data, (uint8_t *) dst, ne0);
+        // prefetch N+2 loop iteration if any
+        const uint32_t pref_block = (ir + BLOCK * 2);
+        if (pref_block < src0_end_row) {
+            const uint32_t pref_block_size = MIN(BLOCK, src0_end_row - pref_block);
+            dma_queue_push_ddr_to_vtcm(dma_queue,
+                dma_make_ptr(src0_spad, data_src0 + (pref_block * src0_row_size)),
+                src0_row_size_aligned, src0_row_size, pref_block_size);
        }
    }

+    dma_queue_flush(dma_queue);
+
    t2 = HAP_perf_get_qtimer_count();

-    FARF(HIGH, "silu-f32 %d/%d/%d: %ux%ux%ux%u (%u:%u) -> %ux%ux%ux%u usec %u\n", ith, nth, opt_path, ne00, ne01, ne02,
+    FARF(HIGH, "silu-f32 %d/%d: %ux%ux%ux%u (%u:%u) -> %ux%ux%ux%u usec %u\n", ith, nth, ne00, ne01, ne02,
         ne03, src0_start_row, src0_end_row, ne0, ne1, ne2, ne3, (unsigned) HAP_perf_qtimer_count_to_us(t2 - t1));
 }

 static void unary_silu_fp32(unsigned int n, unsigned int i, void * data) {
    struct htp_ops_context * octx = (struct htp_ops_context *) data;
    unary_silu_fp32_per_thread(&octx->src0, &octx->dst, octx->op_params, &octx->src0_spad, &octx->dst_spad, n, i,
-                               octx->src0_nrows_per_thread);
+                               octx->src0_nrows_per_thread, octx->ctx->dma[i]);
 }

 static void glu_swiglu_fp32(unsigned int n, unsigned int i, void * data) {
    struct htp_ops_context * octx = (struct htp_ops_context *) data;
    glu_swiglu_fp32_per_thread(&octx->src0, &octx->src1, &octx->dst, octx->op_params, &octx->src0_spad,
-                               &octx->src1_spad, &octx->dst_spad, n, i, octx->src0_nrows_per_thread);
+                               &octx->src1_spad, &octx->dst_spad, n, i, octx->src0_nrows_per_thread, octx->ctx->dma[i]);
 }

 static void glu_swiglu_oai_fp32(unsigned int n, unsigned int i, void * data) {
    struct htp_ops_context * octx = (struct htp_ops_context *) data;
    glu_swiglu_oai_fp32_per_thread(&octx->src0, &octx->src1, &octx->dst, octx->op_params, &octx->src0_spad,
-                                   &octx->src1_spad, &octx->dst_spad, n, i, octx->src0_nrows_per_thread);
+                                   &octx->src1_spad, &octx->dst_spad, n, i, octx->src0_nrows_per_thread, octx->ctx->dma[i]);
 }

 static int execute_op_activations_fp32(struct htp_ops_context * octx) {
@@ -0,0 +1,566 @@
+#pragma clang diagnostic ignored "-Wunused-variable"
+#pragma clang diagnostic ignored "-Wunused-function"
+#pragma clang diagnostic ignored "-Wunused-but-set-variable"
+
+#ifdef HTP_DEBUG
+#    define FARF_HIGH 1
+#endif
+#include <HAP_farf.h>
+#include <HAP_mem.h>
+#include <HAP_perf.h>
+#include <hexagon_protos.h>
+#include <hexagon_types.h>
+#include <math.h>
+#include <string.h>
+
+#define GGML_COMMON_DECL_C
+#include "ggml-common.h"
+#include "htp-ctx.h"
+#include "htp-dma.h"
+#include "htp-msg.h"
+#include "htp-ops.h"
+#include "hvx-utils.h"
+#include "ops-utils.h"
+
+// Dot product of FP32 and FP16 vectors, accumulating to float
+static inline void hvx_dot_f32_f16_aa(float * restrict r, const void * restrict y, const void * restrict x, unsigned int n, float s) {
+    const HVX_Vector * restrict vy = (const HVX_Vector * restrict) y; // fp32
+    const HVX_Vector * restrict vx = (const HVX_Vector * restrict) x; // fp16
+
+    uint32_t nvec = n / VLEN_FP16; // num full fp16 hvx vectors
+    uint32_t nloe = n % VLEN_FP16; // leftover elements
+
+    const HVX_Vector zero = Q6_V_vsplat_R(0);
+    HVX_Vector       rsum = Q6_V_vsplat_R(0);
+
+    uint32_t i = 0;
+
+    #pragma unroll(4)
+    for (i = 0; i < nvec; i++) {
+        // Load y (fp32) and convert into fp16
+        HVX_Vector y0_qf = Q6_Vqf32_vsub_VsfVsf(vy[i*2+0], zero);  // 32 elements
+        HVX_Vector y1_qf = Q6_Vqf32_vsub_VsfVsf(vy[i*2+1], zero);  // 32 elements
+        HVX_Vector y_hf  = Q6_Vh_vdeal_Vh(Q6_Vhf_equals_Wqf32(Q6_W_vcombine_VV(y1_qf, y0_qf)));
+
+        // Load x (fp16)
+        HVX_Vector x_hf  = vx[i];
+
+        HVX_VectorPair xy_qf = Q6_Wqf32_vmpy_VhfVhf(x_hf, y_hf);
+
+        rsum = Q6_Vqf32_vadd_Vqf32Vqf32(rsum, Q6_Vqf32_vadd_Vqf32Vqf32(Q6_V_lo_W(xy_qf), Q6_V_hi_W(xy_qf)));
+    }
+
+    if (nloe) {
+        // Load y (fp32) and convert into fp16
+        HVX_Vector y0_qf = Q6_Vqf32_vsub_VsfVsf(vy[i*2+0], zero);  // 32 elements
+        HVX_Vector y1_qf = Q6_Vqf32_vsub_VsfVsf(vy[i*2+1], zero);  // 32 elements
+        HVX_Vector y_hf  = Q6_Vh_vdeal_Vh(Q6_Vhf_equals_Wqf32(Q6_W_vcombine_VV(y1_qf, y0_qf)));
+
+        // Load x (fp16)
+        HVX_Vector x_hf  = vx[i];
+
+        // Zero-out unused elements
+        // Note that we need to clear both x and y because they may contain NANs
+        HVX_VectorPred bmask = Q6_Q_vsetq_R(nloe * 2);
+        x_hf = Q6_V_vand_QV(bmask, x_hf);
+        y_hf = Q6_V_vand_QV(bmask, y_hf);
+
+        HVX_VectorPair xy_qf = Q6_Wqf32_vmpy_VhfVhf(x_hf, y_hf);
+
+        rsum = Q6_Vqf32_vadd_Vqf32Vqf32(rsum, Q6_Vqf32_vadd_Vqf32Vqf32(Q6_V_lo_W(xy_qf), Q6_V_hi_W(xy_qf)));
+    }
+
+    rsum = Q6_Vqf32_vmpy_VsfVsf(Q6_Vsf_equals_Vqf32(rsum), hvx_vec_splat_fp32(s));
+    rsum = Q6_Vsf_equals_Vqf32(hvx_vec_qf32_reduce_sum(rsum));
+
+    hvx_vec_store_u(r, 4, rsum);
+}
+
+// Dot product of two F16 vectors, accumulating to float
+static inline void hvx_dot_f16_f16_aa(float * restrict r, const void * restrict x, const void * restrict y, unsigned int n, float s) {
+    const HVX_Vector * restrict vx = (const HVX_Vector * restrict) x; // fp16
+    const HVX_Vector * restrict vy = (const HVX_Vector * restrict) y; // fp16
+
+    uint32_t nvec = n / VLEN_FP16; // num full fp16 hvx vectors
+    uint32_t nloe = n % VLEN_FP16; // leftover elements
+
+    const HVX_Vector zero = Q6_V_vsplat_R(0);
+    HVX_Vector       rsum = Q6_V_vsplat_R(0);
+
+    uint32_t i = 0;
+
+    #pragma unroll(4)
+    for (i = 0; i < nvec; i++) {
+        HVX_Vector y_hf = vy[i];
+        HVX_Vector x_hf = vx[i];
+
+        HVX_VectorPair xy_qf = Q6_Wqf32_vmpy_VhfVhf(x_hf, y_hf);
+
+        rsum = Q6_Vqf32_vadd_Vqf32Vqf32(rsum, Q6_Vqf32_vadd_Vqf32Vqf32(Q6_V_lo_W(xy_qf),  Q6_V_hi_W(xy_qf)));
+    }
+
+    if (nloe) {
+        HVX_Vector y_hf = vy[i];
+
+        // Load x (fp16) and zero-out unused elements
+        HVX_VectorPred bmask = Q6_Q_vsetq_R(nloe * 2);
+        HVX_Vector      x_hf = Q6_V_vand_QV(bmask, vx[i]);
+
+        HVX_VectorPair xy_qf = Q6_Wqf32_vmpy_VhfVhf(x_hf, y_hf);
+
+        rsum = Q6_Vqf32_vadd_Vqf32Vqf32(rsum, Q6_Vqf32_vadd_Vqf32Vqf32(Q6_V_lo_W(xy_qf),  Q6_V_hi_W(xy_qf)));
+    }
+
+    rsum = Q6_Vqf32_vmpy_VsfVsf(Q6_Vsf_equals_Vqf32(rsum), hvx_vec_splat_fp32(s));
+    rsum = Q6_Vsf_equals_Vqf32(hvx_vec_qf32_reduce_sum(rsum));
+    hvx_vec_store_u(r, 4, rsum);
+}
+
+// MAD: y (F32) += x (F16) * v (float)
+static inline void hvx_mad_f32_f16_aa(float * restrict y, const void * restrict x, int n, float s) {
+    const HVX_Vector * restrict ptr_x = (const HVX_Vector *) x;
+    HVX_Vector * restrict ptr_y = (HVX_Vector *) y;
+
+    uint32_t nvec = n / VLEN_FP16; // num full fp16 hvx vectors
+    uint32_t nloe = n % VLEN_FP16; // leftover elements
+
+    HVX_Vector S = hvx_vec_splat_fp16(s);
+
+    uint32_t i = 0;
+    #pragma unroll(4)
+    for (i = 0; i < nvec; ++i) {
+        // Multiply x * s -> pair of F32 vectors
+        HVX_VectorPair xs_p = Q6_Wqf32_vmpy_VhfVhf(Q6_Vh_vshuff_Vh(ptr_x[i]), S);
+        ptr_y[i*2]   = Q6_Vsf_equals_Vqf32(Q6_Vqf32_vadd_Vqf32Vsf(Q6_V_lo_W(xs_p), ptr_y[i*2]));
+        ptr_y[i*2+1] = Q6_Vsf_equals_Vqf32(Q6_Vqf32_vadd_Vqf32Vsf(Q6_V_hi_W(xs_p), ptr_y[i*2+1]));
+    }
+
+    if (nloe) {
+        HVX_VectorPair xs_p = Q6_Wqf32_vmpy_VhfVhf(Q6_Vh_vshuff_Vh(ptr_x[i]), S);
+
+        HVX_Vector xs = Q6_V_lo_W(xs_p);
+        i = 2 * i; // index for ptr_y
+
+        if (nloe >= 32) {
+            ptr_y[i] = Q6_Vsf_equals_Vqf32(Q6_Vqf32_vadd_Vqf32Vsf(xs, ptr_y[i]));
+            nloe -= 32; ++i; xs = Q6_V_hi_W(xs_p);
+        }
+
+        if (nloe) {
+            HVX_Vector xy = Q6_Vsf_equals_Vqf32(Q6_Vqf32_vadd_Vqf32Vsf(xs, ptr_y[i]));
+            hvx_vec_store_u(&ptr_y[i], nloe * 4, xy);
+        }
+    }
+}
+
+#define FLASH_ATTN_BLOCK_SIZE 128
+
+static void flash_attn_ext_f16_thread(struct htp_ops_context * octx, int ith, int nth) {
+    const struct htp_tensor * q = &octx->src0;
+    const struct htp_tensor * k = &octx->src1;
+    const struct htp_tensor * v = &octx->src2;
+    const struct htp_tensor * mask  = (octx->src3.data) ? &octx->src3 : NULL;
+    const struct htp_tensor * sinks = (octx->src4.data) ? &octx->src4 : NULL;
+    struct htp_tensor * dst = &octx->dst;
+
+    const uint32_t neq0 = q->ne[0];
+    const uint32_t neq1 = q->ne[1];
+    const uint32_t neq2 = q->ne[2];
+    const uint32_t neq3 = q->ne[3];
+
+    const uint32_t nek0 = k->ne[0];
+    const uint32_t nek1 = k->ne[1];
+    const uint32_t nek2 = k->ne[2];
+    const uint32_t nek3 = k->ne[3];
+
+    const uint32_t nev0 = v->ne[0];
+    const uint32_t nev1 = v->ne[1];
+    const uint32_t nev2 = v->ne[2];
+    const uint32_t nev3 = v->ne[3];
+
+    const uint32_t nbq1 = q->nb[1];
+    const uint32_t nbq2 = q->nb[2];
+    const uint32_t nbq3 = q->nb[3];
+
+    const uint32_t nbk1 = k->nb[1];
+    const uint32_t nbk2 = k->nb[2];
+    const uint32_t nbk3 = k->nb[3];
+
+    const uint32_t nbv1 = v->nb[1];
+    const uint32_t nbv2 = v->nb[2];
+    const uint32_t nbv3 = v->nb[3];
+
+    const uint32_t ne1 = dst->ne[1];
+    const uint32_t ne2 = dst->ne[2];
+    const uint32_t ne3 = dst->ne[3];
+
+    const uint32_t nb1 = dst->nb[1];
+    const uint32_t nb2 = dst->nb[2];
+    const uint32_t nb3 = dst->nb[3];
+
+    float scale         = 1.0f;
+    float max_bias      = 0.0f;
+    float logit_softcap = 0.0f;
+
+    memcpy(&scale,         (float *) octx->op_params + 0, sizeof(float));
+    memcpy(&max_bias,      (float *) octx->op_params + 1, sizeof(float));
+    memcpy(&logit_softcap, (float *) octx->op_params + 2, sizeof(float));
+
+    if (logit_softcap != 0) {
+        scale /= logit_softcap;
+    }
+
+    // total rows in q
+    const uint32_t nr = neq1*neq2*neq3;
+
+    const uint32_t dr = (nr + nth - 1) / nth;
+    const uint32_t ir0 = dr * ith;
+    const uint32_t ir1 = MIN(ir0 + dr, nr);
+
+    if (ir0 >= ir1) return;
+
+    dma_queue * dma = octx->ctx->dma[ith];
+
+    const uint32_t DK = nek0;
+    const uint32_t DV = nev0;
+
+    const size_t size_q_row = DK * ((q->type == HTP_TYPE_F32) ? 4 : 2);
+    const size_t size_q_row_padded = htp_round_up(size_q_row, 128);
+
+    const size_t size_k_row = DK * sizeof(__fp16);
+    const size_t size_v_row = DV * sizeof(__fp16);
+    const size_t size_m_row = FLASH_ATTN_BLOCK_SIZE * sizeof(__fp16); // Treat block as one row for mask
+
+    const size_t size_k_row_padded = htp_round_up(size_k_row, 128);
+    const size_t size_v_row_padded = htp_round_up(size_v_row, 128);
+
+    const size_t size_k_block = size_k_row_padded * FLASH_ATTN_BLOCK_SIZE;
+    const size_t size_v_block = size_v_row_padded * FLASH_ATTN_BLOCK_SIZE;
+    const size_t size_m_block = htp_round_up(FLASH_ATTN_BLOCK_SIZE * sizeof(__fp16), 128);
+
+    // Scratchpad buffers for Q, K, V, Mask, and VKQ32 accumulator
+    uint8_t * spad_q = octx->src0_spad.data + octx->src0_spad.size_per_thread * ith;
+    uint8_t * spad_k = octx->src1_spad.data + octx->src1_spad.size_per_thread * ith;
+    uint8_t * spad_v = octx->src2_spad.data + octx->src2_spad.size_per_thread * ith;
+    uint8_t * spad_m = octx->src3_spad.data + octx->src3_spad.size_per_thread * ith;
+    uint8_t * spad_a = octx->dst_spad.data  + octx->dst_spad.size_per_thread  * ith;
+
+    const uint32_t n_head = neq2;
+    const uint32_t n_head_log2 = 1u << (uint32_t) floor(log2(n_head));
+    const float m0 = powf(2.0f, -(max_bias       ) / n_head_log2);
+    const float m1 = powf(2.0f, -(max_bias / 2.0f) / n_head_log2);
+
+    for (uint32_t ir = ir0; ir < ir1; ++ir) {
+        const uint32_t iq3 = fastdiv(ir, &octx->src0_div21);
+        const uint32_t iq2 = fastdiv(ir - iq3*neq2*neq1, &octx->src0_div1);
+        const uint32_t iq1 = (ir - iq3*neq2*neq1 - iq2 * neq1);
+
+        const uint32_t ik3 = fastdiv(iq3, &octx->broadcast_rk3);
+        const uint32_t ik2 = fastdiv(iq2, &octx->broadcast_rk2);
+
+        const uint32_t iv3 = fastdiv(iq3, &octx->broadcast_rv3);
+        const uint32_t iv2 = fastdiv(iq2, &octx->broadcast_rv2);
+
+        // Fetch Q row
+        const uint8_t * q_row_ptr = (const uint8_t *) q->data + (iq1*nbq1 + iq2*nbq2 + iq3*nbq3);
+        dma_queue_push(dma, dma_make_ptr(spad_q, q_row_ptr), size_q_row_padded, nbq1, size_q_row, 1);
+
+        const uint32_t h = iq2; // head index
+        const float slope = (max_bias > 0.0f) ? (h < n_head_log2 ? powf(m0, h + 1) : powf(m1, 2*(h - n_head_log2) + 1)) : 1.0f;
+
+        float S = 0.0f;      // sum
+        float M = -INFINITY; // maximum KQ value
+
+        // Clear accumulator
+        float * VKQ32 = (float *) spad_a;
+        memset(VKQ32, 0, DV * sizeof(float));
+
+        const __fp16 * mp_base = NULL;
+        if (mask) {
+            const uint32_t im2 = fastmodulo(iq2, mask->ne[2], &octx->src3_div2);
+            const uint32_t im3 = fastmodulo(iq3, mask->ne[3], &octx->src3_div3);
+            mp_base = (const __fp16 *) ((const uint8_t *) mask->data + iq1*mask->nb[1] + im2*mask->nb[2] + im3*mask->nb[3]);
+        }
+
+        const uint32_t n_blocks = (nek1 + FLASH_ATTN_BLOCK_SIZE - 1) / FLASH_ATTN_BLOCK_SIZE;
+
+        // Prefetch first two blocks
+        for (uint32_t ib = 0; ib < MIN(n_blocks, 2); ++ib) {
+            const uint32_t ic_start = ib * FLASH_ATTN_BLOCK_SIZE;
+            const uint32_t current_block_size = MIN(FLASH_ATTN_BLOCK_SIZE, nek1 - ic_start);
+
+            // K
+            const uint8_t * k_src = (const uint8_t *) k->data + (ic_start*nbk1 + ik2*nbk2 + ik3*nbk3);
+            uint8_t * k_dst = spad_k + (ib % 2) * size_k_block;
+            dma_queue_push(dma, dma_make_ptr(k_dst, k_src), size_k_row_padded, nbk1, size_k_row, current_block_size);
+
+            // V
+            const uint8_t * v_src = (const uint8_t *) v->data + (ic_start*nbv1 + iv2*nbv2 + iv3*nbv3);
+            uint8_t * v_dst = spad_v + (ib % 2) * size_v_block;
+            dma_queue_push(dma, dma_make_ptr(v_dst, v_src), size_v_row_padded, nbv1, size_v_row, current_block_size);
+
+            // Mask
+            if (mask) {
+                const uint8_t * m_src = (const uint8_t *) (mp_base + ic_start);
+                uint8_t * m_dst = spad_m + (ib % 2) * size_m_block;
+                // Mask is 1D contiguous for this row
+                dma_queue_push(dma, dma_make_ptr(m_dst, m_src), current_block_size * 2, current_block_size * 2, current_block_size * 2, 1);
+            }
+        }
+
+        const uint8_t * q_ptr_vtcm = dma_queue_pop(dma).dst;
+
+        for (uint32_t ib = 0; ib < n_blocks; ++ib) {
+            const uint32_t ic_start = ib * FLASH_ATTN_BLOCK_SIZE;
+            const uint32_t current_block_size = MIN(FLASH_ATTN_BLOCK_SIZE, nek1 - ic_start);
+
+            // Wait for DMA
+            uint8_t * k_base = dma_queue_pop(dma).dst; // K
+            uint8_t * v_base = dma_queue_pop(dma).dst; // V
+            __fp16  * m_base = mask ? dma_queue_pop(dma).dst : NULL; // M
+
+            // Inner loop processing the block from VTCM
+            uint32_t ic = 0;
+
+            // Process in blocks of 32 (VLEN_FP32)
+            for (; ic + VLEN_FP32 <= current_block_size; ic += VLEN_FP32) {
+                // 1. Compute scores
+                float __attribute__((aligned(VLEN))) scores_arr[VLEN_FP32];
+                for (int j = 0; j < VLEN_FP32; ++j) {
+                    const uint32_t cur_ic = ic + j;
+                    const uint8_t * k_ptr = k_base + cur_ic * size_k_row_padded;
+                    if (q->type == HTP_TYPE_F32) {
+                        hvx_dot_f32_f16_aa(&scores_arr[j], q_ptr_vtcm, k_ptr, DK, scale);
+                    } else {
+                        hvx_dot_f16_f16_aa(&scores_arr[j], q_ptr_vtcm, k_ptr, DK, scale);
+                    }
+                }
+
+                HVX_Vector scores = *(HVX_Vector *) scores_arr;
+
+                // 2. Softcap
+                if (logit_softcap != 0.0f) {
+                    scores = hvx_vec_tanh_fp32(scores);
+                    scores = Q6_Vqf32_vmpy_VsfVsf(scores, hvx_vec_splat_fp32(logit_softcap));
+                    scores = Q6_Vsf_equals_Vqf32(scores);
+                }
+
+                // 3. Mask
+                if (mask) {
+                    const __fp16 * mp = m_base + ic;
+                    HVX_Vector m_vals_fp16 = *(const HVX_UVector *) mp;
+
+                    HVX_Vector one_fp16 = Q6_Vh_vsplat_R(0x3c00);
+                    HVX_VectorPair m_vals_fp32_pair = Q6_Wqf32_vmpy_VhfVhf(Q6_Vh_vshuff_Vh(m_vals_fp16), one_fp16);
+
+                    HVX_Vector m_vals_fp32 = Q6_Vsf_equals_Vqf32(Q6_V_lo_W(m_vals_fp32_pair));
+
+                    HVX_Vector slope_vec = hvx_vec_splat_fp32(slope);
+                    HVX_Vector add_val = Q6_Vqf32_vmpy_VsfVsf(m_vals_fp32, slope_vec);
+                    scores = Q6_Vqf32_vadd_VsfVsf(scores, Q6_Vsf_equals_Vqf32(add_val));
+                    scores = Q6_Vsf_equals_Vqf32(scores);
+                }
+
+                // 4. Online Softmax Update
+                HVX_Vector v_max = hvx_vec_reduce_max_fp32(scores);
+                float m_block = hvx_vec_get_fp32(v_max);
+
+                float M_old = M;
+                float M_new = (m_block > M) ? m_block : M;
+                M = M_new;
+
+                float ms = expf(M_old - M_new);
+
+                hvx_scale_f32_aa((uint8_t *) VKQ32, (const uint8_t *) VKQ32, DV, ms);
+                S = S * ms;
+
+                HVX_Vector M_new_vec = hvx_vec_splat_fp32(M_new);
+                HVX_Vector scores_shifted = Q6_Vqf32_vsub_VsfVsf(scores, M_new_vec);
+                HVX_Vector P = hvx_vec_exp_fp32(Q6_Vsf_equals_Vqf32(scores_shifted));
+
+                HVX_Vector p_sum_vec = hvx_vec_fp32_reduce_sum(P);
+                float p_sum = hvx_vec_get_fp32(p_sum_vec);
+                S += p_sum;
+
+                // 5. Accumulate V
+                float __attribute__((aligned(VLEN))) p_arr[VLEN_FP32];
+                *(HVX_Vector*)p_arr = P;
+
+                for (int j = 0; j < VLEN_FP32; ++j) {
+                    const uint32_t cur_ic = ic + j;
+                    const uint8_t * v_ptr = v_base + cur_ic * size_v_row_padded;
+                    hvx_mad_f32_f16_aa(VKQ32, v_ptr, DV, p_arr[j]);
+                }
+            }
+
+            // Leftover
+            for (; ic < current_block_size; ++ic) {
+                float s_val;
+                const uint8_t * k_ptr = k_base + ic * size_k_row_padded;
+
+                if (q->type == HTP_TYPE_F32) {
+                    hvx_dot_f32_f16_aa(&s_val, q_ptr_vtcm, k_ptr, DK, scale);
+                } else {
+                    hvx_dot_f16_f16_aa(&s_val, q_ptr_vtcm, k_ptr, DK, scale);
+                }
+
+                if (logit_softcap != 0.0f) {
+                    s_val = logit_softcap * tanhf(s_val);
+                }
+
+                if (mask) {
+                    const float m_val = m_base[ic];
+                    s_val += slope * m_val;
+                }
+
+                const float Mold = M;
+                float ms = 1.0f;
+                float vs = 1.0f;
+
+                if (s_val > M) {
+                    M = s_val;
+                    ms = expf(Mold - M);
+                    hvx_scale_f32_aa((uint8_t *) VKQ32, (const uint8_t *) VKQ32, DV, ms);
+                } else {
+                    vs = expf(s_val - M);
+                }
+
+                const uint8_t * v_ptr = v_base + ic * size_v_row_padded;
+
+                hvx_mad_f32_f16_aa(VKQ32, v_ptr, DV, vs);
+
+                S = S * ms + vs;
+            }
+
+            // Issue DMA for next+1 block (if exists)
+            if (ib + 2 < n_blocks) {
+                const uint32_t next_ib = ib + 2;
+                const uint32_t next_ic_start = next_ib * FLASH_ATTN_BLOCK_SIZE;
+                const uint32_t next_block_size = MIN(FLASH_ATTN_BLOCK_SIZE, nek1 - next_ic_start);
+
+                // K
+                const uint8_t * k_src = (const uint8_t *) k->data + (next_ic_start*nbk1 + ik2*nbk2 + ik3*nbk3);
+                dma_queue_push(dma, dma_make_ptr(k_base, k_src), size_k_row_padded, nbk1, size_k_row, next_block_size);
+
+                // V
+                const uint8_t * v_src = (const uint8_t *) v->data + (next_ic_start*nbv1 + iv2*nbv2 + iv3*nbv3);
+                dma_queue_push(dma, dma_make_ptr(v_base, v_src), size_v_row_padded, nbv1, size_v_row, next_block_size);
+
+                // Mask
+                if (mask) {
+                    const uint8_t * m_src = (const uint8_t *) (mp_base + next_ic_start);
+                    dma_queue_push(dma, dma_make_ptr(m_base, m_src), next_block_size * 2, next_block_size * 2, next_block_size * 2, 1);
+                }
+            }
+        }
+
+        // sinks
+        if (sinks) {
+            const float s = ((float *)((char *) sinks->data))[h];
+
+            float ms = 1.0f;
+            float vs = 1.0f;
+
+            if (s > M) {
+                ms = expf(M - s);
+                hvx_scale_f32_aa((uint8_t *) VKQ32, (const uint8_t *) VKQ32, DV, ms);
+            } else {
+                vs = expf(s - M);
+            }
+
+            S = S * ms + vs;
+        }
+
+        const float S_inv = S == 0.0f ? 0.0f : 1.0f/S;
+        hvx_scale_f32_aa((uint8_t *) VKQ32, (const uint8_t *) VKQ32, DV, S_inv);
+
+        // Store result
+        // dst indices
+        const int i1 = iq1;
+        const int i2 = iq2;
+        const int i3 = iq3;
+
+        // dst is permuted
+        uint8_t * dst_ptr = (uint8_t *) dst->data + (i3*ne2*ne1 + i2 + i1*ne1) * nb1;
+
+        if (dst->type == HTP_TYPE_F32) {
+            hvx_copy_fp32_ua(dst_ptr, (uint8_t *) VKQ32, DV);
+        } else if (dst->type == HTP_TYPE_F16) {
+            hvx_copy_fp16_fp32_ua(dst_ptr, (uint8_t *) VKQ32, DV);
+        }
+    }
+}
+
+static void htp_flash_attn_ext_job(unsigned int n, unsigned int i, void * data) {
+    struct htp_ops_context * octx = data;
+    flash_attn_ext_f16_thread(octx, i, n);
+}
+
+int op_flash_attn_ext(struct htp_ops_context * octx) {
+    const struct htp_tensor * q = &octx->src0;
+    const struct htp_tensor * k = &octx->src1;
+    const struct htp_tensor * v = &octx->src2;
+    const struct htp_tensor * mask = (octx->src3.type != HTP_TYPE_COUNT) ? &octx->src3 : NULL;
+    struct htp_tensor * dst = &octx->dst;
+
+    // Check support
+    if ((q->type != HTP_TYPE_F16 && q->type != HTP_TYPE_F32) ||
+        k->type != HTP_TYPE_F16 ||
+        v->type != HTP_TYPE_F16) {
+        return HTP_STATUS_NO_SUPPORT;
+    }
+
+    octx->src0_div21 = init_fastdiv_values(q->ne[2] * q->ne[1]);
+    octx->src0_div1  = init_fastdiv_values(q->ne[1]);
+
+    octx->broadcast_rk2 = init_fastdiv_values(q->ne[2]/k->ne[2]);
+    octx->broadcast_rk3 = init_fastdiv_values(q->ne[3]/k->ne[3]);
+    octx->broadcast_rv2 = init_fastdiv_values(q->ne[2]/v->ne[2]);
+    octx->broadcast_rv3 = init_fastdiv_values(q->ne[3]/v->ne[3]);
+
+    if (mask) {
+        octx->src3_div2 = init_fastdiv_values(mask->ne[2]);
+        octx->src3_div3 = init_fastdiv_values(mask->ne[3]);
+    }
+
+    size_t size_q_row_padded = htp_round_up(q->ne[0] * (q->type == HTP_TYPE_F32 ? 4 : 2), 128);
+    size_t size_k_row_padded = htp_round_up(k->ne[0] * sizeof(__fp16), 128);
+    size_t size_v_row_padded = htp_round_up(v->ne[0] * sizeof(__fp16), 128);
+
+    size_t size_q_block = size_q_row_padded * 1; // single row for now
+    size_t size_k_block = size_k_row_padded * FLASH_ATTN_BLOCK_SIZE;
+    size_t size_v_block = size_v_row_padded * FLASH_ATTN_BLOCK_SIZE;
+    size_t size_m_block = htp_round_up(FLASH_ATTN_BLOCK_SIZE * sizeof(__fp16), 128);
+
+    size_t size_vkq_acc = htp_round_up(v->ne[0] * sizeof(float), 128); // VKQ32
+
+    octx->src0_spad.size_per_thread = size_q_block * 1;
+    octx->src1_spad.size_per_thread = size_k_block * 2;
+    octx->src2_spad.size_per_thread = size_v_block * 2;
+    octx->src3_spad.size_per_thread = mask ? size_m_block * 2 : 0;
+    octx->dst_spad.size_per_thread  = size_vkq_acc;
+
+    octx->src0_spad.size = octx->src0_spad.size_per_thread * octx->n_threads;
+    octx->src1_spad.size = octx->src1_spad.size_per_thread * octx->n_threads;
+    octx->src2_spad.size = octx->src2_spad.size_per_thread * octx->n_threads;
+    octx->src3_spad.size = octx->src3_spad.size_per_thread * octx->n_threads;
+    octx->dst_spad.size  = octx->dst_spad.size_per_thread  * octx->n_threads;
+
+    size_t total_spad = octx->src0_spad.size + octx->src1_spad.size + octx->src2_spad.size + octx->src3_spad.size + octx->dst_spad.size;
+
+    if (octx->ctx->vtcm_size < total_spad) {
+        return HTP_STATUS_VTCM_TOO_SMALL;
+    }
+
+    octx->src0_spad.data = octx->ctx->vtcm_base;
+    octx->src1_spad.data = octx->src0_spad.data + octx->src0_spad.size;
+    octx->src2_spad.data = octx->src1_spad.data + octx->src1_spad.size;
+    octx->src3_spad.data = octx->src2_spad.data + octx->src2_spad.size;
+    octx->dst_spad.data  = octx->src3_spad.data + octx->src3_spad.size;
+
+    if (!(octx->flags & HTP_OPFLAGS_SKIP_COMPUTE)) {
+        worker_pool_run_func(octx->ctx->worker_pool, htp_flash_attn_ext_job, octx, octx->n_threads);
+    }
+
+    return HTP_STATUS_OK;
+}
@@ -0,0 +1,112 @@
+#pragma clang diagnostic ignored "-Wunused-variable"
+#pragma clang diagnostic ignored "-Wunused-function"
+#pragma clang diagnostic ignored "-Wunused-but-set-variable"
+
+#ifdef HTP_DEBUG
+#    define FARF_HIGH 1
+#endif
+#include <HAP_farf.h>
+#include <HAP_mem.h>
+#include <HAP_perf.h>
+#include <hexagon_protos.h>
+#include <hexagon_types.h>
+#include <math.h>
+#include <string.h>
+
+#define GGML_COMMON_DECL_C
+#include "ggml-common.h"
+#include "htp-ctx.h"
+#include "htp-msg.h"
+#include "htp-ops.h"
+#include "hvx-utils.h"
+#include "ops-utils.h"
+
+#define get_rows_preamble \
+    const uint32_t ne00 = octx->src0.ne[0]; \
+    const uint32_t ne01 = octx->src0.ne[1]; \
+    const uint32_t ne02 = octx->src0.ne[2]; \
+    const uint32_t ne03 = octx->src0.ne[3]; \
+                                            \
+    const uint32_t ne10 = octx->src1.ne[0]; \
+    const uint32_t ne11 = octx->src1.ne[1]; \
+    const uint32_t ne12 = octx->src1.ne[2]; \
+                                            \
+    const uint32_t nb01 = octx->src0.nb[1]; \
+    const uint32_t nb02 = octx->src0.nb[2]; \
+    const uint32_t nb03 = octx->src0.nb[3]; \
+                                            \
+    const uint32_t nb10 = octx->src1.nb[0]; \
+    const uint32_t nb11 = octx->src1.nb[1]; \
+    const uint32_t nb12 = octx->src1.nb[2]; \
+                                            \
+    const uint32_t nb1 = octx->dst.nb[1];   \
+    const uint32_t nb2 = octx->dst.nb[2];   \
+    const uint32_t nb3 = octx->dst.nb[3];   \
+                                            \
+    const uint32_t nr = ne10 * ne11 * ne12;
+
+static int get_rows_thread_f32_f32(struct htp_ops_context * octx, const int nth, const int ith) {
+    get_rows_preamble;
+
+    // parallelize by src1 elements (which correspond to dst rows)
+    const uint32_t dr  = octx->src1_nrows_per_thread;
+    const uint32_t ir0 = dr * ith;
+    const uint32_t ir1 = (ir0 + dr < nr) ? (ir0 + dr) : nr;
+
+    const bool is_i32 = (octx->src1.type == HTP_TYPE_I32);
+
+    for (uint32_t i = ir0; i < ir1; ++i) {
+        const uint32_t i12 = fastdiv(i, &octx->get_rows_div_ne10_ne11);
+        const uint32_t rem = i - i12 * ne11 * ne10;
+        const uint32_t i11 = fastdiv(rem, &octx->get_rows_div_ne10);
+        const uint32_t i10 = rem - i11 * ne10;
+
+        const uintptr_t src1_addr = octx->src1.data + i10*nb10 + i11*nb11 + i12*nb12;
+
+        uint32_t i01 = is_i32 ? *(int32_t *)src1_addr : *(int64_t *)src1_addr;
+
+        if (i01 >= ne01) {
+            // invalid index, skip for now to avoid crash
+            continue;
+        }
+
+        const uintptr_t src0_ptr = octx->src0.data + i01*nb01 + i11*nb02 + i12*nb03;
+        const uintptr_t dst_ptr  = octx->dst.data  + i10*nb1  + i11*nb2  + i12*nb3;
+        hvx_copy_fp32_uu((uint8_t *)dst_ptr, (const uint8_t *)src0_ptr, ne00);
+    }
+
+    return HTP_STATUS_OK;
+}
+
+static void get_rows_work_f32_f32(unsigned int n, unsigned int i, void *data) {
+    get_rows_thread_f32_f32((struct htp_ops_context *) data, n, i);
+}
+
+int op_get_rows(struct htp_ops_context * octx) {
+    get_rows_preamble;
+
+    if (octx->src0.type != HTP_TYPE_F32) {
+        return HTP_STATUS_NO_SUPPORT;
+    }
+
+    if (octx->dst.type != HTP_TYPE_F32) {
+        return HTP_STATUS_NO_SUPPORT;
+    }
+
+    if (octx->src1.type != HTP_TYPE_I32 && octx->src1.type != HTP_TYPE_I64) {
+        return HTP_STATUS_NO_SUPPORT;
+    }
+
+    if (octx->flags & HTP_OPFLAGS_SKIP_COMPUTE) {
+        return HTP_STATUS_OK;
+    }
+
+    octx->get_rows_div_ne10      = init_fastdiv_values(octx->src1.ne[0]);
+    octx->get_rows_div_ne10_ne11 = init_fastdiv_values(octx->src1.ne[0] * octx->src1.ne[1]);
+
+    const uint32_t n_jobs = MIN(nr, octx->n_threads);
+    octx->src1_nrows_per_thread = (nr + n_jobs - 1) / n_jobs;
+
+    worker_pool_run_func(octx->ctx->worker_pool, get_rows_work_f32_f32, octx, n_jobs);
+    return HTP_STATUS_OK;
+}
@@ -11,11 +11,6 @@

 #define HTP_MAX_NTHREADS 10

-// FIXME: move these into matmul-ops
-#define HTP_SPAD_SRC0_NROWS 16
-#define HTP_SPAD_SRC1_NROWS 16
-#define HTP_SPAD_DST_NROWS  2
-
 // Main context for htp DSP backend
 struct htp_context {
    dspqueue_t            queue;
@@ -36,6 +36,8 @@ enum htp_data_type {
    HTP_TYPE_F16   = 1,
    HTP_TYPE_Q4_0  = 2,
    HTP_TYPE_Q8_0  = 8,
+    HTP_TYPE_I32   = 26,
+    HTP_TYPE_I64   = 27,
    HTP_TYPE_MXFP4 = 39,
    HTP_TYPE_COUNT
 };
@@ -57,6 +59,10 @@ enum htp_op {
    HTP_OP_SOFTMAX        = 11,
    HTP_OP_ADD_ID         = 12,
    HTP_OP_ROPE           = 13,
+    HTP_OP_FLASH_ATTN_EXT = 14,
+    HTP_OP_SET_ROWS       = 15,
+    HTP_OP_SCALE          = 16,
+    HTP_OP_GET_ROWS       = 17,
    INVALID
 };

@@ -137,6 +143,8 @@ struct htp_general_req {
    struct htp_tensor src0;  // Input0 tensor
    struct htp_tensor src1;  // Input1 tensor
    struct htp_tensor src2;  // Input2 tensor
+    struct htp_tensor src3;  // Input3 tensor
+    struct htp_tensor src4;  // Input4 tensor
    struct htp_tensor dst;   // Output tensor

    // should be multiple of 64 bytes (cacheline)
@@ -152,6 +160,6 @@ struct htp_general_rsp {
 };

 #define HTP_MAX_MESSAGE_SIZE   sizeof(struct htp_general_req)
-#define HTP_MAX_PACKET_BUFFERS 4
+#define HTP_MAX_PACKET_BUFFERS 8

 #endif /* HTP_MSG_H */
@@ -13,6 +13,7 @@

 struct htp_spad {
    uint8_t * data;
+    size_t    stride;
    size_t    size;
    size_t    size_per_thread;
 };
@@ -26,11 +27,14 @@ struct htp_ops_context {
    struct htp_tensor src0;
    struct htp_tensor src1;
    struct htp_tensor src2;
+    struct htp_tensor src3;
+    struct htp_tensor src4;
    struct htp_tensor dst;

    struct htp_spad src0_spad;
    struct htp_spad src1_spad;
    struct htp_spad src2_spad;
+    struct htp_spad src3_spad;
    struct htp_spad dst_spad;

    worker_pool_context_t * wpool;      // worker pool
@@ -49,6 +53,27 @@ struct htp_ops_context {
    struct fastdiv_values src1_div3;  // fastdiv values for ne3
    struct fastdiv_values src1_div21; // fastdiv values for ne2 * ne1

+    struct fastdiv_values src3_div1;  // fastdiv values for ne1
+    struct fastdiv_values src3_div2;  // fastdiv values for ne2
+    struct fastdiv_values src3_div3;  // fastdiv values for ne3
+    struct fastdiv_values src3_div21; // fastdiv values for ne2 * ne1
+
+    struct fastdiv_values broadcast_rk2;
+    struct fastdiv_values broadcast_rk3;
+    struct fastdiv_values broadcast_rv2;
+    struct fastdiv_values broadcast_rv3;
+
+    struct fastdiv_values mm_div_ne12_ne1; // fastdiv values for ne12 * ne1
+    struct fastdiv_values mm_div_ne1;      // fastdiv values for ne1
+    struct fastdiv_values mm_div_r2;       // fastdiv values for ne12 / ne02
+    struct fastdiv_values mm_div_r3;       // fastdiv values for ne13 / ne03
+
+    struct fastdiv_values set_rows_div_ne12; // fastdiv values for ne12
+    struct fastdiv_values set_rows_div_ne11; // fastdiv values for ne11
+
+    struct fastdiv_values get_rows_div_ne10;      // fastdiv values for ne10
+    struct fastdiv_values get_rows_div_ne10_ne11; // fastdiv values for ne10 * ne11
+
    uint32_t flags;
 };

@@ -60,5 +85,8 @@ int op_activations(struct htp_ops_context * octx);
 int op_softmax(struct htp_ops_context * octx);
 int op_add_id(struct htp_ops_context * octx);
 int op_rope(struct htp_ops_context * octx);
+int op_flash_attn_ext(struct htp_ops_context * octx);
+int op_set_rows(struct htp_ops_context * octx);
+int op_get_rows(struct htp_ops_context * octx);

 #endif /* HTP_OPS_H */
@@ -848,55 +848,6 @@ float hvx_self_sum_f32(const uint8_t * restrict src, const int num_elems) {
    return hvx_vec_get_fp32(Q6_Vsf_equals_Vqf32(v));
 }

-void hvx_scale_f32(const uint8_t * restrict src, uint8_t * restrict dst, const int num_elems, const float scale) {
-    int left_over       = num_elems & (VLEN_FP32 - 1);
-    int num_elems_whole = num_elems - left_over;
-
-    int unaligned_addr = 0;
-    int unaligned_loop = 0;
-    if ((0 == htp_is_aligned((void *) src, VLEN)) || (0 == htp_is_aligned((void *) dst, VLEN))) {
-        FARF(HIGH, "hvx_scale_f32: unaligned address in hvx op, possibly slower execution\n");
-        unaligned_addr = 1;
-    }
-
-    if ((1 == unaligned_addr) && (num_elems_whole != 0)) {
-        unaligned_loop = 1;
-        FARF(HIGH, "hvx_scale_f32: unaligned loop in hvx op, possibly slower execution\n");
-    }
-
-    HVX_Vector scale_vec = hvx_vec_splat_fp32(scale);
-
-    if (0 == unaligned_loop) {
-        HVX_Vector * vec_in1 = (HVX_Vector *) src;
-        HVX_Vector * vec_out = (HVX_Vector *) dst;
-
-        #pragma unroll(4)
-        for (int i = 0; i < num_elems_whole; i += VLEN_FP32) {
-            HVX_Vector v = Q6_Vqf32_vmpy_VsfVsf(*vec_in1++, scale_vec);
-            *vec_out++   = Q6_Vsf_equals_Vqf32(v);
-        }
-    } else {
-        #pragma unroll(4)
-        for (int i = 0; i < num_elems_whole; i += VLEN_FP32) {
-            HVX_Vector in = *(HVX_UVector *) (src + i * SIZEOF_FP32);
-
-            HVX_Vector out = Q6_Vqf32_vmpy_VsfVsf(in, scale_vec);
-
-            *(HVX_UVector *) (dst + i * SIZEOF_FP32) = Q6_Vsf_equals_Vqf32(out);
-        }
-    }
-
-    if (left_over > 0) {
-        const float * srcf = (const float *) src + num_elems_whole;
-        float *       dstf = (float *) dst + num_elems_whole;
-
-        HVX_Vector in = *(HVX_UVector *) srcf;
-
-        HVX_Vector out = Q6_Vqf32_vmpy_VsfVsf(in, scale_vec);
-        hvx_vec_store_u((void *) dstf, left_over * SIZEOF_FP32, Q6_Vsf_equals_Vqf32(out));
-    }
-}
-
 float hvx_self_max_f32(const uint8_t * restrict src, const int num_elems) {
    int left_over       = num_elems & (VLEN_FP32 - 1);
    int num_elems_whole = num_elems - left_over;
@@ -1065,3 +1016,5 @@ void hvx_clamp_scalar_f32(const uint8_t * restrict src,
        hvx_vec_store_u((void *) dstf, left_over * SIZEOF_FP32, in_vec);
    }
 }
+
+
@@ -41,15 +41,24 @@ static inline HVX_Vector Q6_Vsf_equals_Vw(HVX_Vector const in)
 }
 #endif

-static inline HVX_Vector hvx_vec_splat_fp32(float i) {
+static inline HVX_Vector hvx_vec_splat_fp32(float v) {
    union {
-        float   f;
-        int32_t i;
-    } fp32 = { .f = i };
+        float    f;
+        uint32_t i;
+    } fp32 = { .f = v };

    return Q6_V_vsplat_R(fp32.i);
 }

+static inline HVX_Vector hvx_vec_splat_fp16(float v) {
+    union {
+        __fp16   f;
+        uint16_t i;
+    } fp16 = { .f = v };
+
+    return Q6_Vh_vsplat_R(fp16.i);
+}
+
 static inline void hvx_vec_store_u(void * addr, uint32_t n, HVX_Vector v) {
    // Rotate as needed.
    v = Q6_V_vlalign_VVR(v, v, (size_t) addr);
@@ -242,6 +251,120 @@ static inline void hvx_copy_fp32_au(uint8_t * restrict dst, const uint8_t * rest
    }
 }

+// copy n fp32 elements : source is unaligned, destination unaligned
+static inline void hvx_copy_fp32_uu(uint8_t * restrict dst, const uint8_t * restrict src, uint32_t n) {
+    HVX_UVector * restrict vdst = (HVX_UVector *) dst;
+    HVX_UVector * restrict vsrc = (HVX_UVector *) src;
+
+    assert((unsigned long) dst % 128 == 0);
+
+    uint32_t nvec = n / 32;
+    uint32_t nloe = n % 32;
+
+    uint32_t i = 0;
+
+    #pragma unroll(4)
+    for (; i < nvec; i++) {
+        HVX_Vector v = vsrc[i];
+        vdst[i]      = v;
+    }
+
+    if (nloe) {
+        HVX_Vector v = vsrc[i];
+        hvx_vec_store_u((void *) &vdst[i], nloe * sizeof(float), v);
+    }
+}
+
+// copy/convert n fp32 elements into n fp16 elements : source is unaligned, destination is unaligned
+static inline void hvx_copy_fp16_fp32_uu(uint8_t * restrict dst, const uint8_t * restrict src, uint32_t n) {
+    HVX_UVector * restrict vdst = (HVX_UVector *) dst; // fp16
+    HVX_UVector * restrict vsrc = (HVX_UVector *) src; // fp32
+
+    const HVX_Vector zero = Q6_V_vsplat_R(0);
+
+    uint32_t nvec = n / 64;
+    uint32_t nloe = n % 64;
+
+    uint32_t i = 0;
+
+    #pragma unroll(4)
+    for (; i < nvec; i++) {
+        // Load y (fp32) and convert into fp16
+        HVX_Vector s0_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+0], zero); // 32 elements
+        HVX_Vector s1_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+1], zero); // 32 elements
+        HVX_Vector s_hf  = Q6_Vhf_equals_Wqf32(Q6_W_vcombine_VV(s1_qf, s0_qf));
+        vdst[i] = Q6_Vh_vdeal_Vh(s_hf);
+    }
+
+    if (nloe) {
+        // Load y (fp32) and convert into fp16
+        HVX_Vector s0_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+0], zero); // 32 elements
+        HVX_Vector s1_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+1], zero); // 32 elements
+        HVX_Vector s_hf  = Q6_Vhf_equals_Wqf32(Q6_W_vcombine_VV(s1_qf, s0_qf));
+        hvx_vec_store_u((void *) &vdst[i], nloe * sizeof(__fp16), Q6_Vh_vdeal_Vh(s_hf));
+    }
+}
+
+// copy/convert n fp32 elements into n fp16 elements : source is aligned, destination is unaligned
+static inline void hvx_copy_fp16_fp32_ua(uint8_t * restrict dst, const uint8_t * restrict src, uint32_t n) {
+    HVX_UVector * restrict vdst = (HVX_UVector *) dst; // fp16
+    HVX_Vector  * restrict vsrc = (HVX_Vector *)  src; // fp32
+
+    const HVX_Vector zero = Q6_V_vsplat_R(0);
+
+    uint32_t nvec = n / 64;
+    uint32_t nloe = n % 64;
+
+    uint32_t i = 0;
+
+    #pragma unroll(4)
+    for (; i < nvec; i++) {
+        // Load y (fp32) and convert into fp16
+        HVX_Vector s0_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+0], zero); // 32 elements
+        HVX_Vector s1_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+1], zero); // 32 elements
+        HVX_Vector s_hf  = Q6_Vhf_equals_Wqf32(Q6_W_vcombine_VV(s1_qf, s0_qf));
+        vdst[i] = Q6_Vh_vdeal_Vh(s_hf);
+    }
+
+    if (nloe) {
+        // Load y (fp32) and convert into fp16
+        HVX_Vector s0_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+0], zero); // 32 elements
+        HVX_Vector s1_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+1], zero); // 32 elements
+        HVX_Vector s_hf  = Q6_Vhf_equals_Wqf32(Q6_W_vcombine_VV(s1_qf, s0_qf));
+        hvx_vec_store_u((void *) &vdst[i], nloe * sizeof(__fp16), Q6_Vh_vdeal_Vh(s_hf));
+    }
+}
+
+// copy/convert n fp32 elements into n fp16 elements : source is unaligned, destination is aligned
+static inline void hvx_copy_fp16_fp32_au(uint8_t * restrict dst, const uint8_t * restrict src, uint32_t n) {
+    HVX_Vector  * restrict vdst = (HVX_Vector *)  dst; // fp16
+    HVX_UVector * restrict vsrc = (HVX_UVector *) src; // fp32
+
+    const HVX_Vector zero = Q6_V_vsplat_R(0);
+
+    uint32_t nvec = n / 64;
+    uint32_t nloe = n % 64;
+
+    uint32_t i = 0;
+
+    #pragma unroll(4)
+    for (; i < nvec; i++) {
+        // Load y (fp32) and convert into fp16
+        HVX_Vector s0_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+0], zero); // 32 elements
+        HVX_Vector s1_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+1], zero); // 32 elements
+        HVX_Vector s_hf  = Q6_Vhf_equals_Wqf32(Q6_W_vcombine_VV(s1_qf, s0_qf));
+        vdst[i] = Q6_Vh_vdeal_Vh(s_hf);
+    }
+
+    if (nloe) {
+        // Load y (fp32) and convert into fp16
+        HVX_Vector s0_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+0], zero); // 32 elements
+        HVX_Vector s1_qf = Q6_Vqf32_vsub_VsfVsf(vsrc[i*2+1], zero); // 32 elements
+        HVX_Vector s_hf  = Q6_Vhf_equals_Wqf32(Q6_W_vcombine_VV(s1_qf, s0_qf));
+        hvx_vec_store_u((void *) &vdst[i], nloe * sizeof(__fp16), Q6_Vh_vdeal_Vh(s_hf));
+    }
+}
+
 // bcast 1 fp32 element from source to n fp32 elements in destination : destination is aligned
 static inline void hvx_bcast_fp32_a(uint8_t * restrict dst, float elem, uint32_t n) {
    HVX_Vector * restrict vdst = (HVX_Vector *) dst;
@@ -273,8 +396,6 @@ static __attribute__((always_inline)) int32_t is_in_one_chunk(void * addr, uint3
    return right_off <= chunk_size;
 }

-
-
 static void hvx_vec_dump_fp16_n(char * pref, HVX_Vector v, uint32_t n) {
    HVX_VectorAlias u = { .v = v };

@@ -531,13 +652,13 @@ static inline HVX_Vector hvx_vec_abs_fp32(HVX_Vector v) {
 }

 static inline HVX_Vector hvx_vec_neg_fp32(HVX_Vector v) {
-#if __HTP_ARCH__ > 75
+#if __HVX_ARCH__ > 75
    return Q6_Vsf_vfneg_Vsf(v);
 #else
    // neg by setting the fp32 sign bit
    HVX_Vector mask = Q6_V_vsplat_R(0x80000000);
    return Q6_V_vxor_VV(v, mask);
-#endif  // __HTP_ARCH__ > 75
+#endif  // __HVX_ARCH__ > 75
 }

 // ====================================================
@@ -976,6 +1097,24 @@ static inline HVX_Vector hvx_vec_fast_sigmoid_fp32_guard(HVX_Vector v,
    return Q6_V_vmux_QVV(pred_min, out, Q6_V_vzero());
 }

+static inline HVX_Vector hvx_vec_tanh_fp32(HVX_Vector x) {
+    // tanh(x) = 2 * sigmoid(2x) - 1
+    HVX_Vector two = hvx_vec_splat_fp32(2.0f);
+    HVX_Vector one = hvx_vec_splat_fp32(1.0f);
+    HVX_Vector x2  = Q6_Vqf32_vmpy_VsfVsf(x, two);
+
+    static const float kMinExp = -87.f;  // 0
+    static const float kMaxExp = 87.f;   // 1
+    HVX_Vector max_exp = hvx_vec_splat_fp32(kMaxExp);
+    HVX_Vector min_exp = hvx_vec_splat_fp32(kMinExp);
+
+    HVX_Vector sig2x = hvx_vec_fast_sigmoid_fp32_guard(Q6_Vsf_equals_Vqf32(x2), one, max_exp, min_exp);
+
+    HVX_Vector res = Q6_Vqf32_vmpy_VsfVsf(sig2x, two);
+    res = Q6_Vqf32_vsub_Vqf32Vsf(res, one);
+    return Q6_Vsf_equals_Vqf32(res);
+}
+
 static inline void hvx_fast_sigmoid_f32(const uint8_t * restrict src, uint8_t * restrict dst, const int num_elems) {
    int step_of_1 = num_elems >> 5;
    int remaining = num_elems - step_of_1 * VLEN_FP32;
@@ -1056,6 +1195,115 @@ static inline void hvx_sigmoid_f32(const uint8_t * restrict src, uint8_t * restr
    }
 }

+static inline void hvx_scale_f32_aa(uint8_t * restrict dst, const uint8_t * restrict src, const int n, const float scale) {
+    int nvec = n / VLEN_FP32;
+    int nloe = n % VLEN_FP32;
+
+    HVX_Vector vs = hvx_vec_splat_fp32(scale);
+
+    HVX_Vector * vsrc = (HVX_Vector *) src;
+    HVX_Vector * vdst = (HVX_Vector *) dst;
+
+    uint32_t i = 0;
+
+    #pragma unroll(4)
+    for (i = 0; i < nvec; ++i) {
+        HVX_Vector v = Q6_Vqf32_vmpy_VsfVsf(vsrc[i], vs);
+        vdst[i]      = Q6_Vsf_equals_Vqf32(v);
+    }
+
+    if (nloe) {
+        HVX_Vector v = Q6_Vqf32_vmpy_VsfVsf(vsrc[i], vs);
+        hvx_vec_store_u((void *) &vdst[i], nloe * 4, Q6_Vsf_equals_Vqf32(v));
+    }
+}
+
+static inline void hvx_scale_f32_uu(uint8_t * restrict dst, const uint8_t * restrict src, const int n, const float scale) {
+    int nvec = n / VLEN_FP32;
+    int nloe = n % VLEN_FP32;
+
+    HVX_Vector vs = hvx_vec_splat_fp32(scale);
+
+    HVX_UVector * vsrc = (HVX_UVector *) src;
+    HVX_UVector * vdst = (HVX_UVector *) dst;
+
+    uint32_t i = 0;
+
+    #pragma unroll(4)
+    for (i = 0; i < nvec; ++i) {
+        HVX_Vector v = Q6_Vqf32_vmpy_VsfVsf(vsrc[i], vs);
+        vdst[i]      = Q6_Vsf_equals_Vqf32(v);
+    }
+
+    if (nloe) {
+        HVX_Vector v = Q6_Vqf32_vmpy_VsfVsf(vsrc[i], vs);
+        hvx_vec_store_u((void *) &vdst[i], nloe * 4, Q6_Vsf_equals_Vqf32(v));
+    }
+}
+
+static inline void hvx_scale_f32(uint8_t * restrict dst, const uint8_t * restrict src, const int n, const float scale) {
+    if (htp_is_aligned((void *) src, VLEN) && htp_is_aligned((void *) dst, VLEN)) {
+        hvx_scale_f32_aa(dst, src, n, scale);
+    } else {
+        hvx_scale_f32_uu(dst, src, n, scale);
+    }
+}
+
+static inline void hvx_scale_offset_f32_aa(uint8_t * restrict dst, const uint8_t * restrict src, const int n, const float scale, const float offset) {
+    int nvec = n / VLEN_FP32;
+    int nloe = n % VLEN_FP32;
+
+    HVX_Vector vs = hvx_vec_splat_fp32(scale);
+    HVX_Vector vo = hvx_vec_splat_fp32(offset);
+
+    HVX_Vector * vsrc = (HVX_Vector *) src;
+    HVX_Vector * vdst = (HVX_Vector *) dst;
+
+    uint32_t i = 0;
+
+    #pragma unroll(4)
+    for (i = 0; i < nvec; ++i) {
+        HVX_Vector v = Q6_Vqf32_vadd_Vqf32Vsf(Q6_Vqf32_vmpy_VsfVsf(vsrc[i], vs), vo);
+        vdst[i] = Q6_Vsf_equals_Vqf32(v);
+    }
+
+    if (nloe) {
+        HVX_Vector v = Q6_Vqf32_vadd_Vqf32Vsf(Q6_Vqf32_vmpy_VsfVsf(vsrc[i], vs), vo);
+        hvx_vec_store_u((void *) &vdst[i], nloe * 4, Q6_Vsf_equals_Vqf32(v));
+    }
+}
+
+static inline void hvx_scale_offset_f32_uu(uint8_t * restrict dst, const uint8_t * restrict src, const int n, const float scale, const float offset) {
+    int nvec = n / VLEN_FP32;
+    int nloe = n % VLEN_FP32;
+
+    HVX_Vector vs = hvx_vec_splat_fp32(scale);
+    HVX_Vector vo = hvx_vec_splat_fp32(offset);
+
+    HVX_UVector * vsrc = (HVX_UVector *) src;
+    HVX_UVector * vdst = (HVX_UVector *) dst;
+
+    uint32_t i = 0;
+
+    #pragma unroll(4)
+    for (i = 0; i < nvec; ++i) {
+        HVX_Vector v = Q6_Vqf32_vadd_Vqf32Vsf(Q6_Vqf32_vmpy_VsfVsf(vsrc[i], vs), vo);
+        vdst[i] = Q6_Vsf_equals_Vqf32(v);
+    }
+
+    if (nloe) {
+        HVX_Vector v = Q6_Vqf32_vadd_Vqf32Vsf(Q6_Vqf32_vmpy_VsfVsf(vsrc[i], vs), vo);
+        hvx_vec_store_u((void *) &vdst[i], nloe * 4, Q6_Vsf_equals_Vqf32(v));
+    }
+}
+
+static inline void hvx_scale_offset_f32(uint8_t * restrict dst, const uint8_t * restrict src, const int n, const float scale, const float offset) {
+    if (htp_is_aligned((void *) src, VLEN) && htp_is_aligned((void *) dst, VLEN)) {
+        hvx_scale_offset_f32_aa(dst, src, n, scale, offset);
+    } else {
+        hvx_scale_offset_f32_uu(dst, src, n, scale, offset);
+    }
+}

 float hvx_sum_of_squares_f32(const uint8_t * restrict src, const int num_elems);
 void  hvx_mul_f32(const uint8_t * restrict src0,
@@ -1090,7 +1338,6 @@ void  hvx_sub_f32_opt(const uint8_t * restrict src0,
                      uint8_t * restrict dst,
                      const int num_elems);
 void  hvx_sub_scalar_f32(const uint8_t * restrict src, const float val, uint8_t * restrict dst, const int num_elems);
-void  hvx_scale_f32(const uint8_t * restrict src, uint8_t * restrict dst, const int num_elems, const float scale);
 void  hvx_inverse_f32(const uint8_t * restrict src, uint8_t * restrict dst, const int num_elems);
 void  hvx_sigmoid_f32(const uint8_t * restrict src, uint8_t * restrict dst, const int num_elems);
 void  hvx_exp_f32(const uint8_t * restrict src, uint8_t * restrict dst, const int num_elems, bool negate);
@@ -443,6 +443,45 @@ static void proc_matmul_req(struct htp_context *     ctx,
    send_htp_rsp(ctx, req->op, rsp_status, rsp_bufs, 1, &prof);
 }

+static void proc_get_rows_req(struct htp_context * ctx, struct htp_general_req * req, struct dspqueue_buffer * bufs) {
+    struct dspqueue_buffer rsp_bufs[1];
+
+    // We had written to the output buffer, we'd also need to flush it
+    rsp_bufs[0].fd     = bufs[2].fd;
+    rsp_bufs[0].ptr    = bufs[2].ptr;
+    rsp_bufs[0].offset = bufs[2].offset;
+    rsp_bufs[0].size   = bufs[2].size;
+    rsp_bufs[0].flags  = (DSPQUEUE_BUFFER_FLAG_FLUSH_SENDER |         // Flush HTP
+                         DSPQUEUE_BUFFER_FLAG_INVALIDATE_RECIPIENT);  // Invalidate CPU
+
+    // Setup Op context
+    struct htp_ops_context octx = { 0 };
+    octx.ctx                    = ctx;
+    octx.src0                   = req->src0;
+    octx.src1                   = req->src1;
+    octx.dst                    = req->dst;
+    octx.flags                  = req->flags;
+    octx.op                     = req->op;
+
+    // Update data pointers
+    octx.src0.data = (uint32_t) bufs[0].ptr;
+    octx.src1.data = (uint32_t) bufs[1].ptr;
+    octx.dst.data  = (uint32_t) bufs[2].ptr;
+    octx.n_threads = ctx->n_threads;
+
+    struct profile_data prof;
+    profile_start(&prof);
+
+    uint32_t rsp_status = HTP_STATUS_INTERNAL_ERR;
+    if (vtcm_acquire(ctx) == AEE_SUCCESS) {
+        rsp_status = op_get_rows(&octx);
+        vtcm_release(ctx);
+    }
+
+    profile_stop(&prof);
+    send_htp_rsp(ctx, req->op, rsp_status, rsp_bufs, 1, &prof);
+}
+
 static void proc_matmul_id_req(struct htp_context *     ctx,
                               struct htp_general_req * req,
                               struct dspqueue_buffer * bufs,
@@ -668,7 +707,7 @@ static void proc_rope_req(struct htp_context *     ctx,
                          uint32_t                 n_bufs) {
    struct dspqueue_buffer rsp_bufs[HTP_MAX_PACKET_BUFFERS];

-    int write_idx = (n_bufs == 4) ? 3 : 2;
+    int write_idx = n_bufs - 1;

    // We had written to the output buffer, we'd also need to flush it
    rsp_bufs[0].fd     = bufs[write_idx].fd;
@@ -716,6 +755,102 @@ static void proc_rope_req(struct htp_context *     ctx,
    send_htp_rsp(ctx, req->op, rsp_status, rsp_bufs, 1, &prof);
 }

+static void proc_set_rows_req(struct htp_context * ctx, struct htp_general_req * req, struct dspqueue_buffer * bufs) {
+    struct dspqueue_buffer rsp_bufs[1];
+
+    // We had written to the output buffer, we'd also need to flush it
+    rsp_bufs[0].fd     = bufs[2].fd;
+    rsp_bufs[0].ptr    = bufs[2].ptr;
+    rsp_bufs[0].offset = bufs[2].offset;
+    rsp_bufs[0].size   = bufs[2].size;
+    rsp_bufs[0].flags  = (DSPQUEUE_BUFFER_FLAG_FLUSH_SENDER |         // Flush HTP
+                         DSPQUEUE_BUFFER_FLAG_INVALIDATE_RECIPIENT);  // Invalidate CPU
+
+    // Setup Op context
+    struct htp_ops_context octx = { 0 };
+    octx.ctx                    = ctx;
+    octx.src0                   = req->src0;
+    octx.src1                   = req->src1;
+    octx.dst                    = req->dst;
+    octx.flags                  = req->flags;
+    octx.op                     = req->op;
+
+    // Update data pointers
+    octx.src0.data = (uint32_t) bufs[0].ptr;
+    octx.src1.data = (uint32_t) bufs[1].ptr;
+    octx.dst.data  = (uint32_t) bufs[2].ptr;
+    octx.n_threads = ctx->n_threads;
+
+    struct profile_data prof;
+    profile_start(&prof);
+
+    uint32_t rsp_status = HTP_STATUS_INTERNAL_ERR;
+    if (vtcm_acquire(ctx) == AEE_SUCCESS) {
+        rsp_status = op_set_rows(&octx);
+        vtcm_release(ctx);
+    }
+
+    profile_stop(&prof);
+    send_htp_rsp(ctx, req->op, rsp_status, rsp_bufs, 1, &prof);
+}
+
+static void proc_flash_attn_ext_req(struct htp_context *     ctx,
+                                    struct htp_general_req * req,
+                                    struct dspqueue_buffer * bufs,
+                                    uint32_t                 n_bufs) {
+    // Setup Op context
+    struct htp_ops_context octx;
+    memset(&octx, 0, sizeof(octx));
+
+    octx.ctx   = ctx;
+    octx.n_threads = ctx->n_threads;
+
+    octx.src0  = req->src0;
+    octx.src1  = req->src1;
+    octx.src2  = req->src2;
+    octx.src3  = req->src3;
+    octx.src4  = req->src4;
+    octx.dst   = req->dst;
+    octx.flags = req->flags;
+    octx.op    = req->op;
+
+    memcpy(octx.op_params, req->op_params, sizeof(octx.op_params));
+
+    // Update data pointers
+    octx.src0.data = (uint32_t) bufs[0].ptr;
+    octx.src1.data = (uint32_t) bufs[1].ptr;
+    octx.src2.data = (uint32_t) bufs[2].ptr;
+
+    int last_buf = 3;
+
+    if (octx.src3.ne[0]) {
+        octx.src3.data = (uint32_t) bufs[last_buf++].ptr; // mask is valid
+    }
+
+    if (octx.src4.ne[0]) {
+        octx.src4.data = (uint32_t) bufs[last_buf++].ptr; // sinks is valid
+    }
+
+    octx.dst.data = (uint32_t) bufs[last_buf].ptr;
+
+    struct profile_data prof;
+    profile_start(&prof);
+
+    uint32_t rsp_status = HTP_STATUS_INTERNAL_ERR;
+    if (vtcm_acquire(ctx) == AEE_SUCCESS) {
+        rsp_status = op_flash_attn_ext(&octx);
+        vtcm_release(ctx);
+    }
+
+    profile_stop(&prof);
+
+    struct dspqueue_buffer rsp_buf = bufs[last_buf];
+    rsp_buf.flags = (DSPQUEUE_BUFFER_FLAG_FLUSH_SENDER |         // Flush HTP
+                     DSPQUEUE_BUFFER_FLAG_INVALIDATE_RECIPIENT); // Invalidate CPU
+
+    send_htp_rsp(ctx, req->op, rsp_status, &bufs[last_buf], 1, &prof);
+}
+
 static void htp_packet_callback(dspqueue_t queue, int error, void * context) {
    struct htp_context * ctx = (struct htp_context *) context;

@@ -790,6 +925,7 @@ static void htp_packet_callback(dspqueue_t queue, int error, void * context) {
                break;

            case HTP_OP_RMS_NORM:
+            case HTP_OP_SCALE:
                if (n_bufs != 2) {
                    FARF(ERROR, "Bad unary-req buffer list");
                    continue;
@@ -833,6 +969,30 @@ static void htp_packet_callback(dspqueue_t queue, int error, void * context) {
                proc_rope_req(ctx, &req, bufs, n_bufs);
                break;

+            case HTP_OP_FLASH_ATTN_EXT:
+                if (!(n_bufs >= 4 && n_bufs <= 6)) {
+                    FARF(ERROR, "Bad flash-attn-ext-req buffer list");
+                    continue;
+                }
+                proc_flash_attn_ext_req(ctx, &req, bufs, n_bufs);
+                break;
+
+            case HTP_OP_SET_ROWS:
+                if (n_bufs != 3) {
+                    FARF(ERROR, "Bad set-rows-req buffer list");
+                    continue;
+                }
+                proc_set_rows_req(ctx, &req, bufs);
+                break;
+
+            case HTP_OP_GET_ROWS:
+                if (n_bufs != 3) {
+                    FARF(ERROR, "Bad get-rows-req buffer list");
+                    continue;
+                }
+                proc_get_rows_req(ctx, &req, bufs);
+                break;
+
            default:
                FARF(ERROR, "Unknown Op %u", req.op);
                break;
@@ -0,0 +1,168 @@
+#pragma clang diagnostic ignored "-Wunused-variable"
+#pragma clang diagnostic ignored "-Wunused-function"
+#pragma clang diagnostic ignored "-Wunused-but-set-variable"
+
+#ifdef HTP_DEBUG
+#    define FARF_HIGH 1
+#endif
+#include <HAP_farf.h>
+#include <HAP_mem.h>
+#include <HAP_perf.h>
+#include <hexagon_protos.h>
+#include <hexagon_types.h>
+#include <math.h>
+#include <string.h>
+
+#define GGML_COMMON_DECL_C
+#include "ggml-common.h"
+#include "htp-ctx.h"
+#include "htp-msg.h"
+#include "htp-ops.h"
+#include "hvx-utils.h"
+#include "ops-utils.h"
+
+#define set_rows_preamble \
+    const uint32_t ne00 = octx->src0.ne[0]; \
+    const uint32_t ne01 = octx->src0.ne[1]; \
+    const uint32_t ne02 = octx->src0.ne[2]; \
+    const uint32_t ne03 = octx->src0.ne[3]; \
+                                            \
+    const uint32_t ne10 = octx->src1.ne[0]; \
+    const uint32_t ne11 = octx->src1.ne[1]; \
+    const uint32_t ne12 = octx->src1.ne[2]; \
+                                            \
+    const uint32_t nb01 = octx->src0.nb[1]; \
+    const uint32_t nb02 = octx->src0.nb[2]; \
+    const uint32_t nb03 = octx->src0.nb[3]; \
+                                            \
+    const uint32_t nb10 = octx->src1.nb[0]; \
+    const uint32_t nb11 = octx->src1.nb[1]; \
+    const uint32_t nb12 = octx->src1.nb[2]; \
+                                            \
+    const uint32_t nb1 = octx->dst.nb[1];   \
+    const uint32_t nb2 = octx->dst.nb[2];   \
+    const uint32_t nb3 = octx->dst.nb[3];   \
+                                            \
+    const uint32_t ne1 = octx->dst.ne[1];   \
+                                            \
+    const uint32_t nr  = ne01;
+
+static int set_rows_thread_f32_f32(struct htp_ops_context * octx, const int nth, const int ith) {
+    set_rows_preamble;
+
+    // parallelize by rows of src0
+    const uint32_t dr  = octx->src0_nrows_per_thread;
+    const uint32_t ir0 = dr * ith;
+    const uint32_t ir1 = (ir0 + dr < nr) ? (ir0 + dr) : nr;
+
+    const bool is_i32 = (octx->src1.type == HTP_TYPE_I32);
+
+    for (uint32_t i03 = 0; i03 < ne03; ++i03) {
+        for (uint32_t i02 = 0; i02 < ne02; ++i02) {
+            for (uint32_t i = ir0; i < ir1; ++i) {
+                const uint32_t i12 = fastmodulo(i03, ne12, &octx->set_rows_div_ne12);
+                const uint32_t i11 = fastmodulo(i02, ne11, &octx->set_rows_div_ne11);
+                const uint32_t i10 = i;
+
+                const uintptr_t src1_addr = octx->src1.data + i10*nb10 + i11*nb11 + i12*nb12;
+
+                uint32_t i1 = is_i32 ? *(int32_t *)src1_addr : *(int64_t *)src1_addr;
+                if (i1 >= ne1) {
+                    // ignore invalid indices
+                    continue;
+                }
+
+                const uintptr_t src0_ptr = octx->src0.data + i*nb01 + i02*nb02 + i03*nb03;
+                const uintptr_t dst_ptr  = octx->dst.data  + i1*nb1 + i02*nb2  + i03*nb3;
+
+                // copy row
+                hvx_copy_fp32_uu((uint8_t *)dst_ptr, (const uint8_t *)src0_ptr, ne00);
+            }
+        }
+    }
+
+    return HTP_STATUS_OK;
+}
+
+static int set_rows_thread_f16_f32(struct htp_ops_context * octx, const int nth, const int ith) {
+    set_rows_preamble;
+
+    // parallelize by rows of src0
+    const uint32_t dr  = octx->src0_nrows_per_thread;
+    const uint32_t ir0 = dr * ith;
+    const uint32_t ir1 = (ir0 + dr < nr) ? (ir0 + dr) : nr;
+
+    const bool is_i32 = (octx->src1.type == HTP_TYPE_I32);
+
+    for (uint32_t i03 = 0; i03 < ne03; ++i03) {
+        for (uint32_t i02 = 0; i02 < ne02; ++i02) {
+            for (uint32_t i = ir0; i < ir1; ++i) {
+                const uint32_t i12 = fastmodulo(i03, ne12, &octx->set_rows_div_ne12);
+                const uint32_t i11 = fastmodulo(i02, ne11, &octx->set_rows_div_ne11);
+                const uint32_t i10 = i;
+
+                const uintptr_t src1_addr = octx->src1.data + i10*nb10 + i11*nb11 + i12*nb12;
+
+                uint32_t i1 = is_i32 ? *(int32_t *)src1_addr : *(int64_t *)src1_addr;
+                if (i1 >= ne1) {
+                    // ignore invalid indices
+                    continue;
+                }
+
+                const uint8_t* src0_ptr = (const uint8_t *) octx->src0.data + i*nb01 + i02*nb02 + i03*nb03;
+                uint8_t*       dst_ptr  = (uint8_t *)       octx->dst.data  + i1*nb1 + i02*nb2  + i03*nb3;
+
+                hvx_copy_fp16_fp32_uu(dst_ptr, src0_ptr, ne00);
+            }
+        }
+    }
+
+    return HTP_STATUS_OK;
+}
+
+static void set_rows_work_f16_f32(unsigned int n, unsigned int i, void *data) {
+    set_rows_thread_f16_f32((struct htp_ops_context *) data, n, i);
+}
+
+static void set_rows_work_f32_f32(unsigned int n, unsigned int i, void *data) {
+    set_rows_thread_f32_f32((struct htp_ops_context *) data, n, i);
+}
+
+int op_set_rows(struct htp_ops_context * octx) {
+    set_rows_preamble;
+
+    if (octx->src0.type != HTP_TYPE_F32) {
+        return HTP_STATUS_NO_SUPPORT;
+    }
+
+    if (octx->dst.type != HTP_TYPE_F32 && octx->dst.type != HTP_TYPE_F16) {
+        return HTP_STATUS_NO_SUPPORT;
+    }
+
+    if (octx->src1.type != HTP_TYPE_I32 && octx->src1.type != HTP_TYPE_I64) {
+        return HTP_STATUS_NO_SUPPORT;
+    }
+
+    if (octx->flags & HTP_OPFLAGS_SKIP_COMPUTE) {
+        return HTP_STATUS_OK;
+    }
+
+    octx->set_rows_div_ne12 = init_fastdiv_values(ne12);
+    octx->set_rows_div_ne11 = init_fastdiv_values(ne11);
+
+    const uint32_t n_jobs = MIN(nr, octx->n_threads);
+    octx->src0_nrows_per_thread = (nr + n_jobs - 1) / n_jobs;
+
+    switch(octx->dst.type) {
+    case HTP_TYPE_F32:
+        worker_pool_run_func(octx->ctx->worker_pool, set_rows_work_f32_f32, octx, n_jobs);
+        break;
+    case HTP_TYPE_F16:
+        worker_pool_run_func(octx->ctx->worker_pool, set_rows_work_f16_f32, octx, n_jobs);
+        break;
+    default:
+        return HTP_STATUS_NO_SUPPORT;
+    }
+
+    return HTP_STATUS_OK;
+}
@@ -238,7 +238,7 @@ static void softmax_htp_f32(int nth, int ith, struct softmax_th_ctx * softmax_ct
                    hvx_fast_softmax_prep_f32((const uint8_t *) sp, (uint8_t *) wp0, ne00, softmax_ctx->scale,
                                              (const uint8_t *) mp_f32, slope);
                } else {
-                    hvx_scale_f32((const uint8_t *) sp, (uint8_t *) wp0, ne00, softmax_ctx->scale);
+                    hvx_scale_f32((uint8_t *) wp0, (const uint8_t *) sp, ne00, softmax_ctx->scale);
                    if (mp_f32) {
                        if (softmax_ctx->use_f16) {
                            for (int i = 0; i < ne00; ++i) {
@@ -258,7 +258,7 @@ static void softmax_htp_f32(int nth, int ith, struct softmax_th_ctx * softmax_ct
                    float max = hvx_self_max_f32((const uint8_t *) wp0, ne00);
                    float sum = hvx_softmax_f32((const uint8_t *) wp0, (uint8_t *) wp2, (uint8_t *) wp1, ne00, max);
                    sum       = sum > 0.0 ? (1.0 / sum) : 1;
-                    hvx_scale_f32((const uint8_t *) wp2, (uint8_t *) dp, ne00, sum);
+                    hvx_scale_f32((uint8_t *) dp, (const uint8_t *) wp2, ne00, sum);
                }
            }
        }
@@ -83,6 +83,31 @@ static void hvx_fast_rms_norm_f32(const uint8_t * restrict src,
    }
 }

+static void scale_htp_f32(const float * restrict src,
+                          float * restrict dst,
+                          uint8_t * restrict spad,
+                          const uint32_t num_rows,
+                          const uint32_t row_elems,
+                          const size_t   row_size,
+                          int32_t *      op_params,
+                          int            opt_path) {
+    float scale = 0.f;
+    float bias  = 0.f;
+    memcpy(&scale, &op_params[0], sizeof(float));
+    memcpy(&bias,  &op_params[1], sizeof(float));
+
+    for (uint32_t ir = 0; ir < num_rows; ir++) {
+        const float * restrict src_local = src + (ir * row_elems);
+        float * restrict dst_local       = dst + (ir * row_elems);
+
+        if (ir + 1 < num_rows) {
+            htp_l2fetch(src_local + row_elems, 1, row_size, row_size);
+        }
+
+        hvx_scale_offset_f32((uint8_t *) dst_local, (const uint8_t *) src_local, row_elems, scale, bias);
+    }
+}
+
 static void rms_norm_htp_f32(const float * restrict src,
                             float * restrict dst,
                             uint8_t * restrict spad,
@@ -110,7 +135,7 @@ static void rms_norm_htp_f32(const float * restrict src,
            const float mean  = sum / row_elems;
            const float scale = 1.0f / sqrtf(mean + epsilon);

-            hvx_scale_f32((const uint8_t *) src_local, (uint8_t *) dst_local, row_elems, scale);
+            hvx_scale_f32((uint8_t *) dst_local, (const uint8_t *) src_local, row_elems, scale);
        }
    }
 }
@@ -162,6 +187,9 @@ static void unary_job_f32_per_thread(const struct htp_tensor * src,
        case HTP_OP_RMS_NORM:
            rms_norm_htp_f32(src_th, dst_th, spad_th, src0_end_row - src0_start_row, ne0, nb1, op_params, opt_path);
            break;
+        case HTP_OP_SCALE:
+            scale_htp_f32(src_th, dst_th, spad_th, src0_end_row - src0_start_row, ne0, nb1, op_params, opt_path);
+            break;

        default:
            break;
@@ -195,6 +223,10 @@ static int execute_op_unary_f32(struct htp_ops_context * octx) {
            unary_op_func = unary_job_dispatcher_f32;
            op_type       = "rmsnorm-f32";
            break;
+        case HTP_OP_SCALE:
+            unary_op_func = unary_job_dispatcher_f32;
+            op_type       = "scale-f32";
+            break;

        default:
            FARF(ERROR, "Unsupported unary Op %u\n", octx->op);
@@ -1684,3 +1684,60 @@ ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_opt_step_sgd(ggm

    return res;
 }
+
+ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_memset(ggml_metal_library_t lib, const ggml_tensor *  op) {
+    GGML_ASSERT(op->type == GGML_TYPE_I64);
+
+    char base[256];
+    char name[256];
+
+    snprintf(base, 256, "kernel_memset_%s", ggml_type_name(op->type));
+    snprintf(name, 256, "%s", base);
+
+    ggml_metal_pipeline_with_params res = ggml_metal_library_get_pipeline(lib, name);
+    if (!res.pipeline) {
+        res = ggml_metal_library_compile_pipeline(lib, base, name, nullptr);
+    }
+
+    return res;
+}
+
+ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_count_equal(ggml_metal_library_t lib, const ggml_tensor *  op) {
+    assert(op->op == GGML_OP_COUNT_EQUAL);
+
+    GGML_TENSOR_LOCALS(int64_t, ne0, op->src[0], ne);
+
+    GGML_ASSERT(op->src[0]->type == op->src[1]->type);
+    GGML_ASSERT(op->src[0]->type == GGML_TYPE_I32);
+    GGML_ASSERT(op->type == GGML_TYPE_I64);
+
+    // note: the kernel only supports i32 output due to metal atomic add only supporting atomic_int
+    GGML_ASSERT(ggml_nelements(op->src[0]) < (1LL << 31));
+
+    char base[256];
+    char name[256];
+
+    int nsg = 1;
+    while (32*nsg < ne00 && nsg < 32) {
+        nsg *= 2;
+    }
+
+    snprintf(base, 256, "kernel_count_equal_%s", ggml_type_name(op->src[0]->type));
+    snprintf(name, 256, "%s_nsg=%d", base, nsg);
+
+    ggml_metal_pipeline_with_params res = ggml_metal_library_get_pipeline(lib, name);
+    if (!res.pipeline) {
+        ggml_metal_cv_t cv = ggml_metal_cv_init();
+
+        ggml_metal_cv_set_int16(cv, nsg, FC_COUNT_EQUAL + 0);
+
+        res = ggml_metal_library_compile_pipeline(lib, base, name, cv);
+
+        ggml_metal_cv_free(cv);
+    }
+
+    res.smem = 32 * sizeof(int32_t);
+    res.nsg  = nsg;
+
+    return res;
+}
@@ -147,6 +147,8 @@ struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_arange
 struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_timestep_embedding(ggml_metal_library_t lib, const struct ggml_tensor * op);
 struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_opt_step_adamw    (ggml_metal_library_t lib, const struct ggml_tensor * op);
 struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_opt_step_sgd      (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_memset            (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_count_equal       (ggml_metal_library_t lib, const struct ggml_tensor * op);

 struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_flash_attn_ext_pad(
        ggml_metal_library_t lib,
@@ -1023,6 +1023,11 @@ bool ggml_metal_device_supports_op(ggml_metal_device_t dev, const struct ggml_te
            return has_simdgroup_reduction && ggml_is_contiguous_rows(op->src[0]);
        case GGML_OP_L2_NORM:
            return has_simdgroup_reduction && (op->ne[0] % 4 == 0 && ggml_is_contiguous_1(op->src[0]));
+        case GGML_OP_COUNT_EQUAL:
+            return has_simdgroup_reduction &&
+                op->src[0]->type == GGML_TYPE_I32 &&
+                op->src[1]->type == GGML_TYPE_I32 &&
+                op->type == GGML_TYPE_I64;
        case GGML_OP_ARGMAX:
            return has_simdgroup_reduction;
        case GGML_OP_NORM:
@@ -78,6 +78,7 @@
 #define FC_MUL_MM                      700
 #define FC_ROPE                        800
 #define FC_SSM_CONV                    900
+#define FC_COUNT_EQUAL                 1000

 // op-specific constants
 #define OP_FLASH_ATTN_EXT_NQPTG 8
@@ -894,6 +895,25 @@ typedef struct {
    float    step;
 } ggml_metal_kargs_arange;

+typedef struct {
+    int64_t val;
+} ggml_metal_kargs_memset;
+
+typedef struct {
+    int32_t  ne00;
+    int32_t  ne01;
+    int32_t  ne02;
+    int32_t  ne03;
+    uint64_t nb00;
+    uint64_t nb01;
+    uint64_t nb02;
+    uint64_t nb03;
+    uint64_t nb10;
+    uint64_t nb11;
+    uint64_t nb12;
+    uint64_t nb13;
+} ggml_metal_kargs_count_equal;
+
 typedef struct {
    int32_t  k0;
    int32_t  k1;
@@ -448,7 +448,11 @@ static int ggml_metal_op_encode_impl(ggml_metal_op_t ctx, int idx) {
            {
                n_fuse = ggml_metal_op_opt_step_sgd(ctx, idx);
            } break;
-       default:
+        case GGML_OP_COUNT_EQUAL:
+            {
+                n_fuse = ggml_metal_op_count_equal(ctx, idx);
+            } break;
+        default:
            {
                GGML_LOG_ERROR("%s: error: node %3d, op = %8s not implemented\n", __func__, idx, ggml_op_name(node->op));
                GGML_ABORT("fatal error");
@@ -2177,7 +2181,11 @@ size_t ggml_metal_op_flash_attn_ext_extra_pad(const ggml_tensor * op) {

    const bool has_mask = op->src[3] != nullptr;

-    if (ggml_metal_op_flash_attn_ext_use_vec(op)) {
+    // note: the non-vec kernel requires more extra memory, so always reserve for it
+    GGML_ASSERT(OP_FLASH_ATTN_EXT_NCPSG >= OP_FLASH_ATTN_EXT_VEC_NCPSG);
+
+    //if (ggml_metal_op_flash_attn_ext_use_vec(op)) {
+    if (false) {
        // note: always reserve the padding space to avoid graph reallocations
        //const bool has_kvpad = ne11 % OP_FLASH_ATTN_EXT_VEC_NCPSG != 0;
        const bool has_kvpad = true;
@@ -4090,3 +4098,64 @@ int ggml_metal_op_opt_step_sgd(ggml_metal_op_t ctx, int idx) {

    return 1;
 }
+
+int ggml_metal_op_count_equal(ggml_metal_op_t ctx, int idx) {
+    ggml_tensor * op = ctx->node(idx);
+
+    ggml_metal_library_t lib = ctx->lib;
+    ggml_metal_encoder_t enc = ctx->enc;
+
+    GGML_TENSOR_LOCALS(int32_t,  ne0, op->src[0], ne);
+    GGML_TENSOR_LOCALS(uint64_t, nb0, op->src[0], nb);
+    GGML_TENSOR_LOCALS(uint64_t, nb1, op->src[1], nb);
+
+    {
+        ggml_metal_kargs_memset args = { /*.val =*/ 0 };
+
+        auto pipeline = ggml_metal_library_get_pipeline_memset(lib, op);
+
+        ggml_metal_encoder_set_pipeline(enc, pipeline);
+        ggml_metal_encoder_set_bytes(enc, &args, sizeof(args), 0);
+        ggml_metal_encoder_set_buffer(enc, ggml_metal_get_buffer_id(op), 1);
+
+        ggml_metal_encoder_dispatch_threadgroups(enc, 1, 1, 1, 1, 1, 1);
+    }
+
+    ggml_metal_op_concurrency_reset(ctx);
+
+    {
+        ggml_metal_kargs_count_equal args = {
+            /*.ne00 =*/ ne00,
+            /*.ne01 =*/ ne01,
+            /*.ne02 =*/ ne02,
+            /*.ne03 =*/ ne03,
+            /*.nb00 =*/ nb00,
+            /*.nb01 =*/ nb01,
+            /*.nb02 =*/ nb02,
+            /*.nb03 =*/ nb03,
+            /*.nb10 =*/ nb10,
+            /*.nb11 =*/ nb11,
+            /*.nb12 =*/ nb12,
+            /*.nb13 =*/ nb13,
+        };
+
+        auto pipeline = ggml_metal_library_get_pipeline_count_equal(lib, op);
+
+        const size_t smem = pipeline.smem;
+
+        const int nth = 32*pipeline.nsg;
+
+        GGML_ASSERT(nth <= ggml_metal_pipeline_max_theads_per_threadgroup(pipeline));
+
+        ggml_metal_encoder_set_pipeline(enc, pipeline);
+        ggml_metal_encoder_set_bytes(enc, &args, sizeof(args), 0);
+        ggml_metal_encoder_set_buffer(enc, ggml_metal_get_buffer_id(op->src[0]), 1);
+        ggml_metal_encoder_set_buffer(enc, ggml_metal_get_buffer_id(op->src[1]), 2);
+        ggml_metal_encoder_set_buffer(enc, ggml_metal_get_buffer_id(op), 3);
+
+        ggml_metal_encoder_set_threadgroup_memory_size(enc, smem, 0);
+        ggml_metal_encoder_dispatch_threadgroups(enc, ne01, ne02, ne03, nth, 1, 1);
+    }
+
+    return 1;
+}
@@ -87,6 +87,7 @@ int ggml_metal_op_leaky_relu        (ggml_metal_op_t ctx, int idx);
 int ggml_metal_op_tri               (ggml_metal_op_t ctx, int idx);
 int ggml_metal_op_opt_step_adamw    (ggml_metal_op_t ctx, int idx);
 int ggml_metal_op_opt_step_sgd      (ggml_metal_op_t ctx, int idx);
+int ggml_metal_op_count_equal       (ggml_metal_op_t ctx, int idx);

 #ifdef __cplusplus
 }
@@ -1790,6 +1790,7 @@ kernel void kernel_op_sum_f32(
        return;
    }

+    // TODO: become function constant
    const uint nsg = (ntg.x + 31) / 32;

    float sumf = 0;
@@ -9557,9 +9558,6 @@ template [[host_name("kernel_mul_mm_iq4_xs_f32")]]  kernel mul_mm_t kernel_mul_m

 template [[host_name("kernel_mul_mm_f32_f16")]]     kernel mul_mm_t kernel_mul_mm<half,   half4x4,   simdgroup_half8x8,   half,   half2x4,   simdgroup_half8x8,   float4x4,      1,     dequantize_f32,     float,  float4x4,  half, half2x4>;
 template [[host_name("kernel_mul_mm_f16_f16")]]     kernel mul_mm_t kernel_mul_mm<half,   half4x4,   simdgroup_half8x8,   half,   half2x4,   simdgroup_half8x8,   half4x4,       1,     dequantize_f16,     half,   half4x4,   half, half2x4>;
-#if defined(GGML_METAL_HAS_BF16)
-template [[host_name("kernel_mul_mm_bf16_f16")]]    kernel mul_mm_t kernel_mul_mm<bfloat, bfloat4x4, simdgroup_bfloat8x8, half,   half2x4,   simdgroup_half8x8,   bfloat4x4,     1,     dequantize_bf16,    bfloat, bfloat4x4, half, half2x4>;
-#endif
 template [[host_name("kernel_mul_mm_q4_0_f16")]]    kernel mul_mm_t kernel_mul_mm<half,   half4x4,   simdgroup_half8x8,   half,   half2x4,   simdgroup_half8x8,   block_q4_0,    2,     dequantize_q4_0,    float,  float4x4,  half, half2x4>;
 template [[host_name("kernel_mul_mm_q4_1_f16")]]    kernel mul_mm_t kernel_mul_mm<half,   half4x4,   simdgroup_half8x8,   half,   half2x4,   simdgroup_half8x8,   block_q4_1,    2,     dequantize_q4_1,    float,  float4x4,  half, half2x4>;
 template [[host_name("kernel_mul_mm_q5_0_f16")]]    kernel mul_mm_t kernel_mul_mm<half,   half4x4,   simdgroup_half8x8,   half,   half2x4,   simdgroup_half8x8,   block_q5_0,    2,     dequantize_q5_0,    float,  float4x4,  half, half2x4>;
@@ -9615,9 +9613,6 @@ template [[host_name("kernel_mul_mm_id_iq4_xs_f32")]]  kernel mul_mm_id kernel_m

 template [[host_name("kernel_mul_mm_id_f32_f16")]]     kernel mul_mm_id kernel_mul_mm_id<half,   half4x4,   simdgroup_half8x8,   half,   half2x4,   simdgroup_half8x8,   float4x4,      1,     dequantize_f32,     float,  float4x4,  half, half2x4>;
 template [[host_name("kernel_mul_mm_id_f16_f16")]]     kernel mul_mm_id kernel_mul_mm_id<half,   half4x4,   simdgroup_half8x8,   half,   half2x4,   simdgroup_half8x8,   half4x4,       1,     dequantize_f16,     half,   half4x4,   half, half2x4>;
-#if defined(GGML_METAL_HAS_BF16)
-template [[host_name("kernel_mul_mm_id_bf16_f16")]]    kernel mul_mm_id kernel_mul_mm_id<bfloat, bfloat4x4, simdgroup_bfloat8x8, half,   half2x4,   simdgroup_half8x8,   bfloat4x4,     1,     dequantize_bf16,    bfloat, bfloat4x4, half, half2x4>;
-#endif
 template [[host_name("kernel_mul_mm_id_q4_0_f16")]]    kernel mul_mm_id kernel_mul_mm_id<half,   half4x4,   simdgroup_half8x8,   half,   half2x4,   simdgroup_half8x8,   block_q4_0,    2,     dequantize_q4_0,    float,  float4x4,  half, half2x4>;
 template [[host_name("kernel_mul_mm_id_q4_1_f16")]]    kernel mul_mm_id kernel_mul_mm_id<half,   half4x4,   simdgroup_half8x8,   half,   half2x4,   simdgroup_half8x8,   block_q4_1,    2,     dequantize_q4_1,    float,  float4x4,  half, half2x4>;
 template [[host_name("kernel_mul_mm_id_q5_0_f16")]]    kernel mul_mm_id kernel_mul_mm_id<half,   half4x4,   simdgroup_half8x8,   half,   half2x4,   simdgroup_half8x8,   block_q5_0,    2,     dequantize_q5_0,    float,  float4x4,  half, half2x4>;
@@ -9920,3 +9915,75 @@ kernel void kernel_opt_step_sgd_f32(

    x[gid] = x[gid] * (1.0f - pars[0] * pars[1]) - pars[0] * g[gid];
 }
+
+template<typename T>
+kernel void kernel_memset(
+        constant ggml_metal_kargs_fill & args,
+        device T * dst,
+        uint tpig[[thread_position_in_grid]]) {
+    dst[tpig] = args.val;
+}
+
+typedef decltype(kernel_memset<int64_t>) kernel_memset_t;
+
+template [[host_name("kernel_memset_i64")]] kernel kernel_memset_t kernel_memset<int64_t>;
+
+constant short FC_count_equal_nsg [[function_constant(FC_COUNT_EQUAL + 0)]];
+
+template<typename T>
+kernel void kernel_count_equal(
+        constant ggml_metal_kargs_count_equal & args,
+        device   const char * src0,
+        device   const char * src1,
+        device   atomic_int * dst,
+        threadgroup int32_t * shmem_i32 [[threadgroup(0)]],
+        uint3   tgpig[[threadgroup_position_in_grid]],
+        ushort3 tpitg[[thread_position_in_threadgroup]],
+        ushort  sgitg[[simdgroup_index_in_threadgroup]],
+        ushort  tiisg[[thread_index_in_simdgroup]],
+        ushort3   ntg[[threads_per_threadgroup]]) {
+    const short NSG = FC_count_equal_nsg;
+
+    const int i3 = tgpig.z;
+    const int i2 = tgpig.y;
+    const int i1 = tgpig.x;
+
+    if (i3 >= args.ne03 || i2 >= args.ne02 || i1 >= args.ne01) {
+        return;
+    }
+
+    int sum = 0;
+
+    device const char * base0 = src0 + i1*args.nb01 + i2*args.nb02 + i3*args.nb03;
+    device const char * base1 = src1 + i1*args.nb11 + i2*args.nb12 + i3*args.nb13;
+
+    for (int64_t i0 = tpitg.x; i0 < args.ne00; i0 += ntg.x) {
+        const T v0 = *(device const T *)(base0 + i0*args.nb00);
+        const T v1 = *(device const T *)(base1 + i0*args.nb10);
+        sum += (v0 == v1);
+    }
+
+    sum = simd_sum(sum);
+
+    if (tiisg == 0) {
+        shmem_i32[sgitg] = sum;
+    }
+
+    threadgroup_barrier(mem_flags::mem_threadgroup);
+
+    if (sgitg == 0) {
+        float v = 0.0f;
+        if (tpitg.x < NSG) {
+            v = shmem_i32[tpitg.x];
+        }
+
+        float total = simd_sum(v);
+        if (tpitg.x == 0) {
+            atomic_fetch_add_explicit(dst, (int32_t) total, memory_order_relaxed);
+        }
+    }
+}
+
+typedef decltype(kernel_count_equal<int32_t>) kernel_count_equal_t;
+
+template [[host_name("kernel_count_equal_i32")]] kernel kernel_count_equal_t kernel_count_equal<int32_t>;
@@ -1517,10 +1517,12 @@ bool rpc_server::graph_compute(const std::vector<uint8_t> & input) {
    struct ggml_cgraph * graph = ggml_new_graph_custom(ctx, n_nodes, false);
    graph->n_nodes = n_nodes;
    std::unordered_map<uint64_t, const rpc_tensor*> tensor_ptrs;
+    tensor_ptrs.reserve(n_tensors);
    for (uint32_t i = 0; i < n_tensors; i++) {
-        tensor_ptrs[tensors[i].id] = &tensors[i];
+        tensor_ptrs.emplace(tensors[i].id, &tensors[i]);
    }
    std::unordered_map<uint64_t, ggml_tensor*> tensor_map;
+    tensor_map.reserve(n_nodes);
    for (uint32_t i = 0; i < n_nodes; i++) {
        int64_t id;
        memcpy(&id, &nodes[i], sizeof(id));
@@ -36,7 +36,47 @@ if (WIN32)
    endif()
 endif()

-find_package(IntelSYCL)
+macro(detect_and_find_package package_name)
+    set(test_source "
+    cmake_minimum_required(VERSION ${CMAKE_VERSION})
+    project(check_package LANGUAGES CXX)
+    find_package(${package_name} QUIET)
+    ")
+
+    set(test_dir "${CMAKE_CURRENT_BINARY_DIR}/check_package_${package_name}")
+    file(WRITE "${test_dir}/CMakeLists.txt" "${test_source}")
+
+    set(cmake_args "")
+    if(CMAKE_GENERATOR)
+        list(APPEND cmake_args "-G" "${CMAKE_GENERATOR}")
+    endif()
+    if(CMAKE_GENERATOR_PLATFORM)
+        list(APPEND cmake_args "-A" "${CMAKE_GENERATOR_PLATFORM}")
+    endif()
+    if(CMAKE_GENERATOR_TOOLSET)
+        list(APPEND cmake_args "-T" "${CMAKE_GENERATOR_TOOLSET}")
+    endif()
+    if(CMAKE_CXX_COMPILER)
+        list(APPEND cmake_args "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}")
+    endif()
+
+    execute_process(
+        COMMAND ${CMAKE_COMMAND} ${cmake_args} .
+        WORKING_DIRECTORY "${test_dir}"
+        RESULT_VARIABLE result
+        OUTPUT_QUIET
+        ERROR_QUIET
+    )
+
+    if(result EQUAL 0)
+        find_package(${package_name} ${ARGN})
+    else()
+        message(WARNING "Detection of ${package_name} failed. The package might be broken or incompatible.")
+        set(${package_name}_FOUND FALSE)
+    endif()
+endmacro()
+
+detect_and_find_package(IntelSYCL)
 if (IntelSYCL_FOUND)
    # Use oneAPI CMake when possible
    target_link_libraries(ggml-sycl PRIVATE IntelSYCL::SYCL_CXX)
@@ -191,3 +231,4 @@ if (GGML_SYCL_DEVICE_ARCH)
    target_compile_options(ggml-sycl PRIVATE -Xsycl-target-backend --offload-arch=${GGML_SYCL_DEVICE_ARCH})
    target_link_options(ggml-sycl PRIVATE -Xsycl-target-backend --offload-arch=${GGML_SYCL_DEVICE_ARCH})
 endif()
+
@@ -434,8 +434,15 @@ static constexpr std::initializer_list<ggml_op> topk_moe_early_softmax_norm{ GGM
                                                                             GGML_OP_VIEW,     GGML_OP_GET_ROWS, GGML_OP_RESHAPE,
                                                                             GGML_OP_SUM_ROWS, GGML_OP_CLAMP,    GGML_OP_DIV,
                                                                             GGML_OP_RESHAPE };
+
+static constexpr std::initializer_list<ggml_op> topk_moe_sigmoid_norm_bias{ GGML_OP_UNARY,    GGML_OP_RESHAPE,  GGML_OP_ADD,
+                                                                            GGML_OP_ARGSORT,  GGML_OP_VIEW,     GGML_OP_GET_ROWS,
+                                                                            GGML_OP_RESHAPE,  GGML_OP_SUM_ROWS, GGML_OP_CLAMP,
+                                                                            GGML_OP_DIV,      GGML_OP_RESHAPE };
+
 static constexpr std::initializer_list<ggml_op> topk_moe_early_softmax     { GGML_OP_SOFT_MAX, GGML_OP_RESHAPE,  GGML_OP_ARGSORT,
                                                                             GGML_OP_VIEW,     GGML_OP_GET_ROWS };
+
 static constexpr std::initializer_list<ggml_op> topk_moe_late_softmax      { GGML_OP_ARGSORT,  GGML_OP_VIEW,
                                                                             GGML_OP_GET_ROWS, GGML_OP_RESHAPE,
                                                                             GGML_OP_SOFT_MAX, GGML_OP_RESHAPE };
@@ -464,6 +471,32 @@ static constexpr std::initializer_list<std::array<int, 3>> topk_moe_early_softma
    { 9, 0, 8 }, // reshape->src[0]  == div
 };

+//node #436 (     UNARY):     ffn_moe_probs-10 ( 256K) [Vulka         ] use=2:    ffn_moe_logits-10 ( 256K) [Vulka         ]
+//node #437 (   RESHAPE): ffn_moe_probs-10 (re ( 256K) [Vulka         ] use=1:     ffn_moe_probs-10 ( 256K) [Vulka         ]
+//node #438 (       ADD): ffn_moe_probs_biased ( 256K) [Vulka         ] use=1:     ffn_moe_probs-10 ( 256K) [Vulka         ] blk.10.exp_probs_b.b (   0K) [Vulka         ]
+//node #439 (   ARGSORT):   ffn_moe_argsort-10 ( 256K) [Vulka         ] use=1: ffn_moe_probs_biased ( 256K) [Vulka         ]
+//node #440 (      VIEW):      ffn_moe_topk-10 ( 255K) [Vulka         ] use=3:   ffn_moe_argsort-10 ( 256K) [Vulka         ]
+//node #441 (  GET_ROWS):   ffn_moe_weights-10 (  12K) [Vulka         ] use=1: ffn_moe_probs-10 (re ( 256K) [Vulka         ]      ffn_moe_topk-10 ( 255K) [Vulka         ]
+//node #442 (   RESHAPE): ffn_moe_weights-10 ( (  12K) [Vulka         ] use=2:   ffn_moe_weights-10 (  12K) [Vulka         ]
+//node #443 (  SUM_ROWS): ffn_moe_weights_sum- (   2K) [Vulka         ] use=1: ffn_moe_weights-10 ( (  12K) [Vulka         ]
+//node #444 (     CLAMP): ffn_moe_weights_sum_ (   2K) [Vulka         ] use=1: ffn_moe_weights_sum- (   2K) [Vulka         ]
+//node #445 (       DIV): ffn_moe_weights_norm (  12K) [Vulka         ] use=1: ffn_moe_weights-10 ( (  12K) [Vulka         ] ffn_moe_weights_sum_ (   2K) [Vulka         ]
+//node #446 (   RESHAPE): ffn_moe_weights_norm (  12K) [Vulka         ] use=1: ffn_moe_weights_norm (  12K) [Vulka         ]
+static constexpr std::initializer_list<std::array<int, 3>> topk_moe_sigmoid_norm_bias_edges {
+    { 1, 0, 0 }, // reshape->src[0]  == sigmoid
+    { 2, 0, 0 }, // add->src[0]      == sigmoid
+    { 3, 0, 2 }, // argsort->src[0]  == add
+    { 4, 0, 3 }, // view->src[0]     == argsort
+    { 5, 0, 1 }, // get_rows->src[0] == reshape
+    { 5, 1, 4 }, // get_rows->src[1] == view
+    { 6, 0, 5 }, // reshape->src[0]  == get_rows
+    { 7, 0, 6 }, // sum_rows->src[0] == reshape
+    { 8, 0, 7 }, // clamp->src[0]    == sum_rows
+    { 9, 0, 6 }, // div->src[0]      == reshape
+    { 9, 1, 8 }, // div->src[1]      == clamp
+    {10, 0, 9 }, // reshape->src[0]  == div
+};
+
 // same as early_softmax_norm but ending after the get_rows
 static constexpr std::initializer_list<std::array<int, 3>> topk_moe_early_softmax_edges {
    { 1, 0, 0 }, // reshape->src[0]  == softmax
@@ -491,16 +524,10 @@ enum topk_moe_mode {
    TOPK_MOE_EARLY_SOFTMAX,
    TOPK_MOE_EARLY_SOFTMAX_NORM,
    TOPK_MOE_LATE_SOFTMAX,
+    TOPK_MOE_SIGMOID_NORM_BIAS,
    TOPK_MOE_COUNT,
 };

-static topk_moe_mode ggml_vk_num_additional_ops_to_topk_moe_mode(uint32_t num) {
-    topk_moe_mode mode = num == topk_moe_early_softmax_norm.size() - 1 ? TOPK_MOE_EARLY_SOFTMAX_NORM :
-                         num == topk_moe_early_softmax.size() - 1      ? TOPK_MOE_EARLY_SOFTMAX :
-                                                                         TOPK_MOE_LATE_SOFTMAX;
-    return mode;
-}
-
 static constexpr std::initializer_list<std::array<int, 3>> rope_view_set_rows_edges {
    { 1, 0, 0 }, // view->src[0]     == rope
    { 2, 0, 1 }, // set_rows->src[0] == view
@@ -523,6 +550,8 @@ struct vk_device_struct {
    uint64_t max_memory_allocation_size;
    uint64_t max_buffer_size;
    uint64_t suballocation_block_size;
+    uint64_t min_imported_host_pointer_alignment;
+    bool external_memory_host {};
    bool fp16;
    bool bf16;
    bool pipeline_robustness;
@@ -738,6 +767,9 @@ struct vk_device_struct {
    vk_pipeline pipeline_topk_f32[num_topk_pipelines];
    vk_pipeline pipeline_sum_rows_f32;
    vk_pipeline pipeline_cumsum_f32;
+    vk_pipeline pipeline_cumsum_small_f32;
+    vk_pipeline pipeline_cumsum_multipass1_f32;
+    vk_pipeline pipeline_cumsum_multipass2_f32;
    vk_pipeline pipeline_argmax_f32;
    vk_pipeline pipeline_count_equal_i32;
    std::map<vk_solve_tri_pipeline_state, vk_pipeline> pipeline_solve_tri_f32;
@@ -766,7 +798,7 @@ struct vk_device_struct {
    vk_pipeline pipeline_count_experts;

    // [2] is for whether to take n_experts from spec constant (0) or push constant (1)
-    vk_pipeline pipeline_topk_moe[num_topk_moe_pipelines][TOPK_MOE_COUNT][2];
+    vk_pipeline pipeline_topk_moe[num_topk_moe_pipelines][2];

    std::vector<vk_pipeline_ref> all_pipelines;

@@ -1181,6 +1213,11 @@ struct vk_op_topk_moe_push_constants {
    uint32_t n_expert_used;
    float clamp_min;
    float clamp_max;
+    uint32_t gating_func;
+    uint32_t has_bias;
+    uint32_t with_norm;
+    float output_scale;
+    float output_bias;
 };

 struct vk_op_add_id_push_constants {
@@ -1771,6 +1808,8 @@ struct ggml_backend_vk_context {
    // Bit 'i' means nodes[start_of_fusion + i] writes to memory.
    // If there's no fusion, bit 0 is still set.
    int fused_ops_write_mask {};
+    topk_moe_mode fused_topk_moe_mode {};
+    bool fused_topk_moe_scale {};

    // for GGML_VK_PERF_LOGGER
    std::unique_ptr<vk_perf_logger> perf_logger;
@@ -2373,7 +2412,8 @@ static std::vector<uint32_t> ggml_vk_find_memory_properties(const vk::PhysicalDe
    return indices;
 }

-static vk_buffer ggml_vk_create_buffer(vk_device& device, size_t size, const std::initializer_list<vk::MemoryPropertyFlags> & req_flags_list) {
+static vk_buffer ggml_vk_create_buffer(vk_device& device, size_t size, const std::initializer_list<vk::MemoryPropertyFlags> & req_flags_list,
+                                       void *import_ptr = nullptr) {
    VK_LOG_DEBUG("ggml_vk_create_buffer(" << device->name << ", " << size << ", " << to_string(req_flags_list.begin()[0]) << ", " << to_string(req_flags_list.begin()[req_flags_list.size()-1]) << ")");
    if (size > device->max_buffer_size) {
        throw vk::OutOfDeviceMemoryError("Requested buffer size exceeds device buffer size limit");
@@ -2402,6 +2442,12 @@ static vk_buffer ggml_vk_create_buffer(vk_device& device, size_t size, const std
        nullptr,
    };

+    vk::ExternalMemoryBufferCreateInfo external_memory_bci;
+    if (import_ptr) {
+        external_memory_bci.handleTypes = vk::ExternalMemoryHandleTypeFlagBits::eHostAllocationEXT;
+        buffer_create_info.setPNext(&external_memory_bci);
+    }
+
    buf->buffer = device->device.createBuffer(buffer_create_info);

    vk::MemoryRequirements mem_req = device->device.getBufferMemoryRequirements(buf->buffer);
@@ -2416,35 +2462,80 @@ static vk_buffer ggml_vk_create_buffer(vk_device& device, size_t size, const std
        mem_flags_info.setPNext(&mem_priority_info);
    }

-    for (auto it = req_flags_list.begin(); it != req_flags_list.end(); it++) {
-        const auto & req_flags = *it;
-
-        const std::vector<uint32_t> memory_type_indices = ggml_vk_find_memory_properties(&mem_props, &mem_req, req_flags);
-
-        if (memory_type_indices.empty()) {
-            continue;
+    if (import_ptr) {
+        vk::MemoryHostPointerPropertiesEXT host_pointer_props;
+        try {
+            host_pointer_props = device->device.getMemoryHostPointerPropertiesEXT(vk::ExternalMemoryHandleTypeFlagBits::eHostAllocationEXT, import_ptr);
+        } catch (vk::SystemError& e) {
+            GGML_LOG_WARN("ggml_vulkan: Failed getMemoryHostPointerPropertiesEXT (%s)\n", e.what());
+            device->device.destroyBuffer(buf->buffer);
+            return {};
        }
-        buf->memory_property_flags = req_flags;
+        vk::PhysicalDeviceMemoryProperties mem_props = device->physical_device.getMemoryProperties();

-        bool done = false;
+        uint32_t memory_type_idx;
+        vk::MemoryPropertyFlags property_flags = *req_flags_list.begin();
+        for (memory_type_idx = 0; memory_type_idx < 32; ++memory_type_idx) {
+            if (!(host_pointer_props.memoryTypeBits & (1u << memory_type_idx))) {
+                continue;
+            }
+            if (!(mem_req.memoryTypeBits & (1u << memory_type_idx))) {
+                continue;
+            }

-        for (auto mtype_it = memory_type_indices.begin(); mtype_it != memory_type_indices.end(); mtype_it++) {
-            try {
-                buf->device_memory = device->device.allocateMemory({ mem_req.size, *mtype_it, &mem_flags_info });
-                done = true;
+            vk::MemoryType memory_type = mem_props.memoryTypes[memory_type_idx];
+            // check for visible+coherent+cached. Other flags (e.g. devicelocal) are allowed
+            if ((memory_type.propertyFlags & property_flags) == property_flags) {
+                property_flags = memory_type.propertyFlags;
                break;
-            } catch (const vk::SystemError& e) {
-                // loop and retry
-                // during last attempt throw the exception
-                if (it + 1 == req_flags_list.end() && mtype_it + 1 == memory_type_indices.end()) {
-                    device->device.destroyBuffer(buf->buffer);
-                    throw e;
-                }
            }
        }
+        if (memory_type_idx == 32) {
+            GGML_LOG_WARN("ggml_vulkan: Memory type for host allocation not found\n");
+            device->device.destroyBuffer(buf->buffer);
+            return {};
+        }

-        if (done) {
-            break;
+        buf->memory_property_flags = mem_props.memoryTypes[memory_type_idx].propertyFlags;
+        try {
+            vk::ImportMemoryHostPointerInfoEXT import_info;
+            import_info.handleType = vk::ExternalMemoryHandleTypeFlagBits::eHostAllocationEXT;
+            import_info.pHostPointer = import_ptr;
+            import_info.setPNext(&mem_flags_info);
+            buf->device_memory = device->device.allocateMemory({ size, memory_type_idx, &import_info });
+        } catch (const vk::SystemError& e) {
+        }
+    } else {
+        for (auto it = req_flags_list.begin(); it != req_flags_list.end(); it++) {
+            const auto & req_flags = *it;
+
+            const std::vector<uint32_t> memory_type_indices = ggml_vk_find_memory_properties(&mem_props, &mem_req, req_flags);
+
+            if (memory_type_indices.empty()) {
+                continue;
+            }
+            buf->memory_property_flags = req_flags;
+
+            bool done = false;
+
+            for (auto mtype_it = memory_type_indices.begin(); mtype_it != memory_type_indices.end(); mtype_it++) {
+                try {
+                    buf->device_memory = device->device.allocateMemory({ mem_req.size, *mtype_it, &mem_flags_info });
+                    done = true;
+                    break;
+                } catch (const vk::SystemError& e) {
+                    // loop and retry
+                    // during last attempt throw the exception
+                    if (it + 1 == req_flags_list.end() && mtype_it + 1 == memory_type_indices.end()) {
+                        device->device.destroyBuffer(buf->buffer);
+                        throw e;
+                    }
+                }
+            }
+
+            if (done) {
+                break;
+            }
        }
    }

@@ -2455,8 +2546,12 @@ static vk_buffer ggml_vk_create_buffer(vk_device& device, size_t size, const std

    buf->ptr = nullptr;

-    if (buf->memory_property_flags & vk::MemoryPropertyFlagBits::eHostVisible) {
-        buf->ptr = device->device.mapMemory(buf->device_memory, 0, VK_WHOLE_SIZE);
+    if (import_ptr) {
+        buf->ptr = import_ptr;
+    } else {
+        if (buf->memory_property_flags & vk::MemoryPropertyFlagBits::eHostVisible) {
+            buf->ptr = device->device.mapMemory(buf->device_memory, 0, VK_WHOLE_SIZE);
+        }
    }

    device->device.bindBufferMemory(buf->buffer, buf->device_memory, 0);
@@ -2668,7 +2763,7 @@ static bool ggml_vk_matmul_shmem_support(const vk_device& device, const std::vec
    switch (src0_type) {
    case GGML_TYPE_IQ1_S:
    case GGML_TYPE_IQ1_M:
-        lut_size = 2*2048;
+        lut_size = 2*2048 + 4*2048;
        break;
    case GGML_TYPE_IQ2_XXS:
        lut_size = 8*256;
@@ -2861,39 +2956,41 @@ static void ggml_vk_load_shaders(vk_device& device) {
        const uint32_t tk_m = device->coopmat_support ? device->coopmat_k : 1;
        const uint32_t tk_s = device->coopmat_support ? device->coopmat_k : 1;

-        l_warptile = { 128, 128, 128, 16, subgroup_size_8 * 2, 64, 2, tm_l, tn_l, tk_l, subgroup_size_8 };
-        m_warptile = { 128,  64,  64, 16, subgroup_size_8, 32, 2, tm_m, tn_m, tk_m, subgroup_size_8 };
-        s_warptile = { subgroup_size_16, 32, 32, 16, 32, 32, 2, tm_s, tn_s, tk_s, subgroup_size_8 };
+        const uint32_t s_warptile_wm = device->subgroup_size == 8 ? 8 : 32;

-        l_warptile_mmq = { 128, 128, 128, 32, subgroup_size_8 * 2, 64, 2, tm_l, tn_l, tk_l, subgroup_size_8 };
-        m_warptile_mmq = { 128,  64,  64, 32, subgroup_size_8, 32, 2, tm_m, tn_m, tk_m, subgroup_size_8 };
-        s_warptile_mmq = { subgroup_size_32, 32, 32, 32, 32, 32, 2, tm_s, tn_s, tk_s, subgroup_size_8 };
+        l_warptile = { 128,             128, 128, 16, subgroup_size_8 * 2, 64, 2, tm_l, tn_l, tk_l, subgroup_size_8 };
+        m_warptile = { 128,              64,  64, 16, subgroup_size_8,     32, 2, tm_m, tn_m, tk_m, subgroup_size_8 };
+        s_warptile = { subgroup_size_32, 32,  32, 16, s_warptile_wm,       32, 2, tm_s, tn_s, tk_s, subgroup_size_8 };
+
+        l_warptile_mmq = { 128,             128, 128, 32, subgroup_size_8 * 2, 64, 2, tm_l, tn_l, tk_l, subgroup_size_8 };
+        m_warptile_mmq = { 128,              64,  64, 32, subgroup_size_8,     32, 2, tm_m, tn_m, tk_m, subgroup_size_8 };
+        s_warptile_mmq = { subgroup_size_32, 32,  32, 32, s_warptile_wm,       32, 2, tm_s, tn_s, tk_s, subgroup_size_8 };

        // Integer MMQ has a smaller shared memory profile, but heavier register use
-        l_warptile_mmq_int = { 128, 128, 128, 32, subgroup_size_8 * 2, 64, 2, 4, 4, 1, subgroup_size_8 };
-        m_warptile_mmq_int = { 128,  64,  64, 32, subgroup_size_8,     32, 2, 2, 2, 1, subgroup_size_8 };
-        s_warptile_mmq_int = { subgroup_size_32, 32, 32, 32, 32,       32, 2, 2, 1, 1, subgroup_size_8 };
+        l_warptile_mmq_int = { 128,             128, 128, 32, subgroup_size_8 * 2, 64, 2, 4, 4, 1, subgroup_size_8 };
+        m_warptile_mmq_int = { 128,              64,  64, 32, subgroup_size_8,     32, 2, 2, 2, 1, subgroup_size_8 };
+        s_warptile_mmq_int = { subgroup_size_32, 32,  32, 32, s_warptile_wm,       32, 2, 2, 1, 1, subgroup_size_8 };

        // K-quants use even more registers, mitigate by setting WMITER to 1
-        l_warptile_mmq_int_k = { 128, 128, 128, 32, subgroup_size_8 * 2, 64, 1, 4, 4, 1, subgroup_size_8 };
-        m_warptile_mmq_int_k = { 128,  64,  64, 32, subgroup_size_8,     32, 1, 2, 2, 1, subgroup_size_8 };
-        s_warptile_mmq_int_k = { subgroup_size_32, 32, 32, 32, 32,       32, 1, 2, 1, 1, subgroup_size_8 };
+        l_warptile_mmq_int_k = { 128,               128, 128, 32, subgroup_size_8 * 2, 64, 1, 4, 4, 1, subgroup_size_8 };
+        m_warptile_mmq_int_k = { 128,                64,  64, 32, subgroup_size_8,     32, 1, 2, 2, 1, subgroup_size_8 };
+        s_warptile_mmq_int_k = { subgroup_size_32,   32,  32, 32, s_warptile_wm,       32, 1, 2, 1, 1, subgroup_size_8 };

-        l_warptile_id = { 128, 128, 128, 16, mul_mat_subgroup_size_16 * 2, 64, 2, tm_l, tn_l, tk_l, mul_mat_subgroup_size_16 };
-        m_warptile_id = { 128,  64,  64, 16, mul_mat_subgroup_size_16, 32, 2, tm_m, tn_m, tk_m, mul_mat_subgroup_size_16 };
-        s_warptile_id = { mul_mat_subgroup_size_16, 32, 32, 16, 32, 32, 2, tm_s, tn_s, tk_s, mul_mat_subgroup_size_16 };
+        l_warptile_id = { 128,                      128, 128, 16, mul_mat_subgroup_size_16 * 2, 64, 2, tm_l, tn_l, tk_l, mul_mat_subgroup_size_16 };
+        m_warptile_id = { 128,                       64,  64, 16, mul_mat_subgroup_size_16,     32, 2, tm_m, tn_m, tk_m, mul_mat_subgroup_size_16 };
+        s_warptile_id = { mul_mat_subgroup_size_16,  32,  32, 16, s_warptile_wm,                32, 2, tm_s, tn_s, tk_s, mul_mat_subgroup_size_16 };

-        l_warptile_mmqid = { 128, 128, 128, 32, mul_mat_subgroup_size_8 * 2, 64, 2, tm_l, tn_l, tk_l, mul_mat_subgroup_size_8 };
-        m_warptile_mmqid = { 128,  64,  64, 32, mul_mat_subgroup_size_8, 32, 2, tm_m, tn_m, tk_m, mul_mat_subgroup_size_8 };
-        s_warptile_mmqid = { mul_mat_subgroup_size_32, 32, 32, 32, 32, 32, 2, tm_s, tn_s, tk_s, mul_mat_subgroup_size_8 };
+        l_warptile_mmqid = { 128,                       128, 128, 32, mul_mat_subgroup_size_8 * 2, 64, 2, tm_l, tn_l, tk_l, mul_mat_subgroup_size_8 };
+        m_warptile_mmqid = { 128,                        64,  64, 32, mul_mat_subgroup_size_8,     32, 2, tm_m, tn_m, tk_m, mul_mat_subgroup_size_8 };
+        s_warptile_mmqid = { mul_mat_subgroup_size_32,   32,  32, 32, s_warptile_wm,               32, 2, tm_s, tn_s, tk_s, mul_mat_subgroup_size_8 };

-        l_warptile_mmqid_int = { 128, 128, 128, 32, mul_mat_subgroup_size_8 * 2, 64, 2, 4, 4, 1, mul_mat_subgroup_size_8 };
-        m_warptile_mmqid_int = { 128,  64,  64, 32, mul_mat_subgroup_size_8,     32, 2, 2, 2, 1, mul_mat_subgroup_size_8 };
-        s_warptile_mmqid_int = { mul_mat_subgroup_size_32, 32, 32, 32, 32,       32, 2, 2, 1, 1, mul_mat_subgroup_size_8 };
+        l_warptile_mmqid_int = { 128,                       128, 128, 32, mul_mat_subgroup_size_8 * 2, 64, 2, 4, 4, 1, mul_mat_subgroup_size_8 };
+        m_warptile_mmqid_int = { 128,                        64,  64, 32, mul_mat_subgroup_size_8,     32, 2, 2, 2, 1, mul_mat_subgroup_size_8 };
+        s_warptile_mmqid_int = { mul_mat_subgroup_size_32,   32,  32, 32, s_warptile_wm,               32, 2, 2, 1, 1, mul_mat_subgroup_size_8 };

-        l_warptile_mmqid_int_k = { 128, 128, 128, 32, mul_mat_subgroup_size_16 * 2, 64, 1, 4, 4, 1, mul_mat_subgroup_size_16 };
-        m_warptile_mmqid_int_k = { 128,  64,  64, 32, mul_mat_subgroup_size_16,     32, 1, 2, 2, 1, mul_mat_subgroup_size_16 };
-        s_warptile_mmqid_int_k = { mul_mat_subgroup_size_32, 32, 32, 32, 32,       32, 1, 2, 1, 1, mul_mat_subgroup_size_16 };
+        l_warptile_mmqid_int_k = { 128,                     128, 128, 32, mul_mat_subgroup_size_16 * 2, 64, 1, 4, 4, 1, mul_mat_subgroup_size_16 };
+        m_warptile_mmqid_int_k = { 128,                      64,  64, 32, mul_mat_subgroup_size_16,     32, 1, 2, 2, 1, mul_mat_subgroup_size_16 };
+        s_warptile_mmqid_int_k = { mul_mat_subgroup_size_32, 32,  32, 32, s_warptile_wm,                32, 1, 2, 1, 1, mul_mat_subgroup_size_16 };

        // chip specific tuning
        if ((device->architecture == AMD_GCN) && (device->driver_id != vk::DriverId::eAmdProprietary)) {
@@ -3593,6 +3690,7 @@ static void ggml_vk_load_shaders(vk_device& device) {
    uint32_t rm_kq = 2;
    uint32_t rm_stdq_int = 1;
    uint32_t rm_kq_int = 1;
+    auto const &rm_iq_int = [](uint32_t i) { return i == 0 ? 8u : 4u; };
    if (device->vendor_id == VK_VENDOR_ID_AMD) {
        if (device->architecture == AMD_GCN) {
            rm_stdq = 2;
@@ -3696,6 +3794,10 @@ static void ggml_vk_load_shaders(vk_device& device) {
                ggml_vk_create_pipeline(device, device->pipeline_dequant_mul_mat_vec_q8_1_f32[w][GGML_TYPE_Q4_K][i], "mul_mat_vec_q4_k_q8_1_f32", arr_dmmv_q4_k_q8_1_f32_len[reduc], arr_dmmv_q4_k_q8_1_f32_data[reduc], "main", mul_mat_vec_num_bindings, sizeof(vk_mat_vec_push_constants), {1*rm_kq_int, 1, 1}, {wg_size_subgroup_int, 1*rm_kq_int, i+1}, 1, true, use_subgroups, subgroup_size_int);
                ggml_vk_create_pipeline(device, device->pipeline_dequant_mul_mat_vec_q8_1_f32[w][GGML_TYPE_Q5_K][i], "mul_mat_vec_q5_k_q8_1_f32", arr_dmmv_q5_k_q8_1_f32_len[reduc], arr_dmmv_q5_k_q8_1_f32_data[reduc], "main", mul_mat_vec_num_bindings, sizeof(vk_mat_vec_push_constants), {1*rm_kq_int, 1, 1}, {wg_size_subgroup_int, 1*rm_kq_int, i+1}, 1, true, use_subgroups, subgroup_size_int);
                ggml_vk_create_pipeline(device, device->pipeline_dequant_mul_mat_vec_q8_1_f32[w][GGML_TYPE_Q6_K][i], "mul_mat_vec_q6_k_q8_1_f32", arr_dmmv_q6_k_q8_1_f32_len[reduc], arr_dmmv_q6_k_q8_1_f32_data[reduc], "main", mul_mat_vec_num_bindings, sizeof(vk_mat_vec_push_constants), {1*rm_kq_int, 1, 1}, {wg_size_subgroup_int, 1*rm_kq_int, i+1}, 1, true, use_subgroups, subgroup_size_int);
+
+                ggml_vk_create_pipeline(device, device->pipeline_dequant_mul_mat_vec_q8_1_f32[w][GGML_TYPE_IQ1_S][i], "mul_mat_vec_iq1_s_q8_1_f32", arr_dmmv_iq1_s_q8_1_f32_len[reduc], arr_dmmv_iq1_s_q8_1_f32_data[reduc], "main", mul_mat_vec_num_bindings, sizeof(vk_mat_vec_push_constants), {1*rm_iq_int(i), 1, 1}, {wg_size_subgroup_int, 1*rm_iq_int(i), i+1}, 1, true, use_subgroups, subgroup_size_int);
+                ggml_vk_create_pipeline(device, device->pipeline_dequant_mul_mat_vec_q8_1_f32[w][GGML_TYPE_IQ1_M][i], "mul_mat_vec_iq1_m_q8_1_f32", arr_dmmv_iq1_m_q8_1_f32_len[reduc], arr_dmmv_iq1_m_q8_1_f32_data[reduc], "main", mul_mat_vec_num_bindings, sizeof(vk_mat_vec_push_constants), {1*rm_iq_int(i), 1, 1}, {wg_size_subgroup_int, 1*rm_iq_int(i), i+1}, 1, true, use_subgroups, subgroup_size_int);
+
            }
 #endif // GGML_VULKAN_INTEGER_DOT_GLSLC_SUPPORT
        }
@@ -3742,6 +3844,9 @@ static void ggml_vk_load_shaders(vk_device& device) {
            ggml_vk_create_pipeline(device, device->pipeline_dequant_mul_mat_vec_id_q8_1_f32[w][GGML_TYPE_Q4_K], "mul_mat_vec_id_q4_k_q8_1_f32", arr_dmmv_id_q4_k_q8_1_f32_len[reduc], arr_dmmv_id_q4_k_q8_1_f32_data[reduc], "main", mul_mat_vec_id_num_bindings, sizeof(vk_mat_vec_push_constants), {1*rm_kq_int, 1, 1}, {wg_size_subgroup_int, 1*rm_kq_int}, 1, true, use_subgroups, subgroup_size_int);
            ggml_vk_create_pipeline(device, device->pipeline_dequant_mul_mat_vec_id_q8_1_f32[w][GGML_TYPE_Q5_K], "mul_mat_vec_id_q5_k_q8_1_f32", arr_dmmv_id_q5_k_q8_1_f32_len[reduc], arr_dmmv_id_q5_k_q8_1_f32_data[reduc], "main", mul_mat_vec_id_num_bindings, sizeof(vk_mat_vec_push_constants), {1*rm_kq_int, 1, 1}, {wg_size_subgroup_int, 1*rm_kq_int}, 1, true, use_subgroups, subgroup_size_int);
            ggml_vk_create_pipeline(device, device->pipeline_dequant_mul_mat_vec_id_q8_1_f32[w][GGML_TYPE_Q6_K], "mul_mat_vec_id_q6_k_q8_1_f32", arr_dmmv_id_q6_k_q8_1_f32_len[reduc], arr_dmmv_id_q6_k_q8_1_f32_data[reduc], "main", mul_mat_vec_id_num_bindings, sizeof(vk_mat_vec_push_constants), {1*rm_kq_int, 1, 1}, {wg_size_subgroup_int, 1*rm_kq_int}, 1, true, use_subgroups, subgroup_size_int);
+
+            ggml_vk_create_pipeline(device, device->pipeline_dequant_mul_mat_vec_id_q8_1_f32[w][GGML_TYPE_IQ1_S], "mul_mat_vec_id_iq1_s_q8_1_f32", arr_dmmv_id_iq1_s_q8_1_f32_len[reduc], arr_dmmv_id_iq1_s_q8_1_f32_data[reduc], "main", mul_mat_vec_id_num_bindings, sizeof(vk_mat_vec_push_constants), {1*rm_iq_int(0), 1, 1}, {wg_size_subgroup_int, 1*rm_iq_int(0)}, 1, true, use_subgroups, subgroup_size_int);
+            ggml_vk_create_pipeline(device, device->pipeline_dequant_mul_mat_vec_id_q8_1_f32[w][GGML_TYPE_IQ1_M], "mul_mat_vec_id_iq1_m_q8_1_f32", arr_dmmv_id_iq1_m_q8_1_f32_len[reduc], arr_dmmv_id_iq1_m_q8_1_f32_data[reduc], "main", mul_mat_vec_id_num_bindings, sizeof(vk_mat_vec_push_constants), {1*rm_iq_int(0), 1, 1}, {wg_size_subgroup_int, 1*rm_iq_int(0)}, 1, true, use_subgroups, subgroup_size_int);
        }
 #endif // GGML_VULKAN_INTEGER_DOT_GLSLC_SUPPORT
    }
@@ -3749,6 +3854,7 @@ static void ggml_vk_load_shaders(vk_device& device) {
 #if !defined(GGML_VULKAN_INTEGER_DOT_GLSLC_SUPPORT)
    GGML_UNUSED(rm_stdq_int);
    GGML_UNUSED(rm_kq_int);
+    GGML_UNUSED(rm_iq_int);
 #endif

    // dequant shaders
@@ -4135,7 +4241,11 @@ static void ggml_vk_load_shaders(vk_device& device) {

    ggml_vk_create_pipeline(device, device->pipeline_sum_rows_f32, "sum_rows_f32", sum_rows_f32_len, sum_rows_f32_data, "main", 2, sizeof(vk_op_sum_rows_push_constants), {1, 1, 1}, { device->subgroup_size }, 1);

-    ggml_vk_create_pipeline(device, device->pipeline_cumsum_f32, "cumsum_f32", cumsum_f32_len, cumsum_f32_data, "main", 2, sizeof(vk_op_sum_rows_push_constants), {1, 1, 1}, { 128, device->subgroup_size }, 1, true, true, device->subgroup_size);
+    const uint32_t cumsum_elem_per_thread = (device->vendor_id == VK_VENDOR_ID_AMD || device->vendor_id == VK_VENDOR_ID_INTEL) ? 2 : 4;
+    ggml_vk_create_pipeline(device, device->pipeline_cumsum_f32,       "cumsum_f32", cumsum_f32_len, cumsum_f32_data, "main", 2, sizeof(vk_op_sum_rows_push_constants), {1, 1, 1}, { 256, device->subgroup_size, cumsum_elem_per_thread }, 1, true, true, device->subgroup_size);
+    ggml_vk_create_pipeline(device, device->pipeline_cumsum_small_f32, "cumsum_f32", cumsum_f32_len, cumsum_f32_data, "main", 2, sizeof(vk_op_sum_rows_push_constants), {1, 1, 1}, { 128, device->subgroup_size, 1 }, 1, true, true, device->subgroup_size);
+    ggml_vk_create_pipeline(device, device->pipeline_cumsum_multipass1_f32, "cumsum_multipass1_f32", cumsum_multipass1_f32_len, cumsum_multipass1_f32_data, "main", 3, sizeof(vk_op_sum_rows_push_constants), {256, 1, 1}, { 256, device->subgroup_size }, 1, true, true, device->subgroup_size);
+    ggml_vk_create_pipeline(device, device->pipeline_cumsum_multipass2_f32, "cumsum_multipass2_f32", cumsum_multipass2_f32_len, cumsum_multipass2_f32_data, "main", 3, sizeof(vk_op_sum_rows_push_constants), {256, 1, 1}, { 256, device->subgroup_size }, 1, true, true, device->subgroup_size);

    ggml_vk_create_pipeline(device, device->pipeline_count_equal_i32, "count_equal_i32", count_equal_i32_len, count_equal_i32_data, "main", 3, sizeof(vk_op_push_constants), {512, 1, 1}, { device->subgroup_size }, 1);

@@ -4291,9 +4401,7 @@ static void ggml_vk_load_shaders(vk_device& device) {

    for (uint32_t use_push = 0; use_push < 2; ++use_push) {
        for (uint32_t i = 0; i < num_topk_moe_pipelines; ++i) {
-            ggml_vk_create_pipeline2(device, device->pipeline_topk_moe[i][TOPK_MOE_EARLY_SOFTMAX][use_push],      "topk_moe_f32_early_softmax_"+std::to_string(i),       topk_moe_f32_len, topk_moe_f32_data, "main", 3, sizeof(vk_op_topk_moe_push_constants), {1, 1, 1}, {device->subgroup_size, 1u<<i, 0, 0, use_push}, 1, true, true, device->subgroup_size);
-            ggml_vk_create_pipeline2(device, device->pipeline_topk_moe[i][TOPK_MOE_EARLY_SOFTMAX_NORM][use_push], "topk_moe_f32_early_softmax_norm"+std::to_string(i),   topk_moe_f32_len, topk_moe_f32_data, "main", 3, sizeof(vk_op_topk_moe_push_constants), {1, 1, 1}, {device->subgroup_size, 1u<<i, 1, 0, use_push}, 1, true, true, device->subgroup_size);
-            ggml_vk_create_pipeline2(device, device->pipeline_topk_moe[i][TOPK_MOE_LATE_SOFTMAX][use_push],       "topk_moe_f32_late_softmax"+std::to_string(i),         topk_moe_f32_len, topk_moe_f32_data, "main", 3, sizeof(vk_op_topk_moe_push_constants), {1, 1, 1}, {device->subgroup_size, 1u<<i, 0, 1, use_push}, 1, true, true, device->subgroup_size);
+            ggml_vk_create_pipeline2(device, device->pipeline_topk_moe[i][use_push], "topk_moe_f32_"+std::to_string(i), topk_moe_f32_len, topk_moe_f32_data, "main", 4, sizeof(vk_op_topk_moe_push_constants), {1, 1, 1}, {device->subgroup_size, 1u<<i, use_push}, 1, true, true, device->subgroup_size);
        }
    }

@@ -4397,6 +4505,8 @@ static vk_device ggml_vk_get_device(size_t idx) {
            } else if (strcmp("VK_EXT_memory_priority", properties.extensionName) == 0 &&
                       getenv("GGML_VK_ENABLE_MEMORY_PRIORITY")) {
                device->memory_priority = true;
+            } else if (strcmp("VK_EXT_external_memory_host", properties.extensionName) == 0) {
+                device->external_memory_host = true;
            }
        }

@@ -4411,6 +4521,7 @@ static vk_device ggml_vk_get_device(size_t idx) {
        vk::PhysicalDeviceVulkan12Properties vk12_props;
        vk::PhysicalDeviceSubgroupSizeControlPropertiesEXT subgroup_size_control_props;
        vk::PhysicalDeviceShaderIntegerDotProductPropertiesKHR shader_integer_dot_product_props;
+        vk::PhysicalDeviceExternalMemoryHostPropertiesEXT external_memory_host_props;

        props2.pNext = &props3;
        props3.pNext = &subgroup_props;
@@ -4450,11 +4561,22 @@ static vk_device ggml_vk_get_device(size_t idx) {
            last_struct = (VkBaseOutStructure *)&shader_integer_dot_product_props;
        }

+        if (device->external_memory_host) {
+            last_struct->pNext = (VkBaseOutStructure *)&external_memory_host_props;
+            last_struct = (VkBaseOutStructure *)&external_memory_host_props;
+        }
+
        device->physical_device.getProperties2(&props2);
        device->properties = props2.properties;
        device->vendor_id = device->properties.vendorID;
        device->driver_id = driver_props.driverID;

+        if (device->driver_id == vk::DriverId::eMoltenvk) {
+            // Disable external_memory_host until https://github.com/KhronosGroup/MoltenVK/pull/2622
+            // is available in the Vulkan SDK.
+            device->external_memory_host = false;
+        }
+
        // Implementing the async backend interfaces seems broken on older Intel HW,
        // see https://github.com/ggml-org/llama.cpp/issues/17302.
        device->support_async = (device->vendor_id != VK_VENDOR_ID_INTEL ||
@@ -4536,6 +4658,8 @@ static vk_device ggml_vk_get_device(size_t idx) {

        device->integer_dot_product = device->integer_dot_product && shader_integer_dot_product_props.integerDotProduct4x8BitPackedSignedAccelerated;

+        device->min_imported_host_pointer_alignment = external_memory_host_props.minImportedHostPointerAlignment;
+
        device->max_workgroup_size_log2 = uint32_t(log2f(float(device->properties.limits.maxComputeWorkGroupInvocations)));

        std::vector<vk::QueueFamilyProperties> queue_family_props = device->physical_device.getQueueFamilyProperties();
@@ -4667,6 +4791,10 @@ static vk_device ggml_vk_get_device(size_t idx) {
            device_extensions.push_back("VK_KHR_pipeline_executable_properties");
        }

+        if (device->external_memory_host) {
+            device_extensions.push_back("VK_EXT_external_memory_host");
+        }
+
        vkGetPhysicalDeviceFeatures2(device->physical_device, &device_features2);

        device->pipeline_executable_properties_support = pipeline_executable_properties_support;
@@ -5584,6 +5712,8 @@ static vk_pipeline ggml_vk_get_dequantize_mul_mat_vec(ggml_backend_vk_context *
            case GGML_TYPE_Q4_K:
            case GGML_TYPE_Q5_K:
            case GGML_TYPE_Q6_K:
+            case GGML_TYPE_IQ1_S:
+            case GGML_TYPE_IQ1_M:
                break;
            default:
                return nullptr;
@@ -5740,6 +5870,8 @@ static vk_pipeline ggml_vk_get_dequantize_mul_mat_vec_id(ggml_backend_vk_context
            case GGML_TYPE_Q4_K:
            case GGML_TYPE_Q5_K:
            case GGML_TYPE_Q6_K:
+            case GGML_TYPE_IQ1_S:
+            case GGML_TYPE_IQ1_M:
                break;
            default:
                return nullptr;
@@ -6721,7 +6853,12 @@ static void ggml_vk_quantize_q8_1(ggml_backend_vk_context * ctx, vk_context& sub

    vk_pipeline pipeline = ggml_vk_get_quantize_pipeline(ctx, GGML_TYPE_Q8_1);

-    ggml_vk_dispatch_pipeline(ctx, subctx, pipeline, { in, out }, std::array<uint32_t, 1>{ne}, { ne, 1, 1 });
+    const uint32_t num_blocks = CEIL_DIV(ne, pipeline->wg_denoms[0]);
+    // clamp the number of elements to the max workgroup count. The shader will iterate over the total number of blocks.
+    const uint64_t max_elements = std::min<uint64_t>(uint64_t{ctx->device->properties.limits.maxComputeWorkGroupCount[0]} * pipeline->wg_denoms[0], std::numeric_limits<uint32_t>::max());
+    const uint32_t elements = std::min(ne, static_cast<uint32_t>(max_elements));
+
+    ggml_vk_dispatch_pipeline(ctx, subctx, pipeline, { in, out }, std::array<uint32_t, 2>{ ne, num_blocks }, { elements, 1, 1 });
    ggml_vk_sync_buffers(ctx, subctx);
 }

@@ -7005,7 +7142,7 @@ static bool ggml_vk_should_use_mmvq(const vk_device& device, uint32_t m, uint32_
    // Quantization overhead is not worth it for small k
    switch (device->vendor_id) {
    case VK_VENDOR_ID_NVIDIA:
-        if (src0_type == GGML_TYPE_Q2_K) {
+        if (src0_type == GGML_TYPE_Q2_K || src0_type == GGML_TYPE_IQ1_S || src0_type == GGML_TYPE_IQ1_M) {
            return true;
        }

@@ -8684,10 +8821,9 @@ static vk_pipeline ggml_vk_op_get_pipeline(ggml_backend_vk_context * ctx, const
        if (ctx->num_additional_fused_ops) {
            uint32_t idx = (uint32_t)ceilf(log2f(float(dst->ne[0])));
            GGML_ASSERT(idx < num_topk_moe_pipelines);
-            topk_moe_mode mode = ggml_vk_num_additional_ops_to_topk_moe_mode(ctx->num_additional_fused_ops);
            // use n_experts from push constant if it's not equal to the power of two spec constant
            bool use_push = dst->ne[0] != (1u << idx);
-            return ctx->device->pipeline_topk_moe[idx][mode][use_push];
+            return ctx->device->pipeline_topk_moe[idx][use_push];
        }

        if (src0->type == GGML_TYPE_F32 && (src1 == nullptr || src1->type == GGML_TYPE_F32) && dst->type == GGML_TYPE_F32) {
@@ -8760,7 +8896,11 @@ static vk_pipeline ggml_vk_op_get_pipeline(ggml_backend_vk_context * ctx, const
        return nullptr;
    case GGML_OP_CUMSUM:
        if (src0->type == GGML_TYPE_F32 && dst->type == GGML_TYPE_F32) {
-            return ctx->device->pipeline_cumsum_f32;
+            if (src0->ne[0] <= 512) {
+                return ctx->device->pipeline_cumsum_small_f32;
+            } else {
+                return ctx->device->pipeline_cumsum_f32;
+            }
        }
        return nullptr;
    case GGML_OP_SOLVE_TRI:
@@ -10346,14 +10486,16 @@ static void ggml_vk_soft_max_back(ggml_backend_vk_context * ctx, vk_context& sub
 }

 static void ggml_vk_topk_moe(ggml_backend_vk_context * ctx, vk_context& subctx, ggml_cgraph * cgraph, int node_idx) {
-    topk_moe_mode mode = ggml_vk_num_additional_ops_to_topk_moe_mode(ctx->num_additional_fused_ops);
+    topk_moe_mode mode = ctx->fused_topk_moe_mode;
    ggml_tensor * logits = cgraph->nodes[node_idx + 0]->src[0];
-    ggml_tensor * weights = (mode == TOPK_MOE_EARLY_SOFTMAX_NORM) ? cgraph->nodes[node_idx + 9] :
-                            (mode == TOPK_MOE_EARLY_SOFTMAX)      ? cgraph->nodes[node_idx + 4] :
-                                                                    cgraph->nodes[node_idx + 5];
-    ggml_tensor * ids = (mode == TOPK_MOE_LATE_SOFTMAX) ? cgraph->nodes[node_idx + 1] : cgraph->nodes[node_idx + 3];
+    ggml_tensor * bias = (mode == TOPK_MOE_SIGMOID_NORM_BIAS) ? cgraph->nodes[node_idx + 2]->src[1] : logits;
+    ggml_tensor * weights = cgraph->nodes[node_idx + ctx->num_additional_fused_ops];
+    ggml_tensor * ids = (mode == TOPK_MOE_SIGMOID_NORM_BIAS) ? cgraph->nodes[node_idx + 4] :
+                        (mode == TOPK_MOE_LATE_SOFTMAX) ?      cgraph->nodes[node_idx + 1] :
+                                                               cgraph->nodes[node_idx + 3];

    GGML_ASSERT(logits->type == GGML_TYPE_F32);
+    GGML_ASSERT(bias->type == GGML_TYPE_F32);
    GGML_ASSERT(weights->type == GGML_TYPE_F32);
    GGML_ASSERT(ids->type == GGML_TYPE_I32);

@@ -10368,6 +10510,7 @@ static void ggml_vk_topk_moe(ggml_backend_vk_context * ctx, vk_context& subctx,
    ggml_pipeline_request_descriptor_sets(ctx, pipeline, 1);

    vk_subbuffer logits_buf = ggml_vk_tensor_subbuffer(ctx, logits);
+    vk_subbuffer bias_buf = ggml_vk_tensor_subbuffer(ctx, bias);
    vk_subbuffer weights_buf = ggml_vk_tensor_subbuffer(ctx, weights);
    vk_subbuffer ids_buf = ggml_vk_tensor_subbuffer(ctx, ids);

@@ -10375,18 +10518,45 @@ static void ggml_vk_topk_moe(ggml_backend_vk_context * ctx, vk_context& subctx,
    pc.n_rows = n_rows;
    pc.n_experts_push = n_experts;
    pc.n_expert_used = n_expert_used;
+    pc.clamp_min = -std::numeric_limits<float>::infinity();
+    pc.clamp_max = std::numeric_limits<float>::infinity();
    if (mode == TOPK_MOE_EARLY_SOFTMAX_NORM) {
        ggml_tensor * clamp = cgraph->nodes[node_idx + 7];
+        GGML_ASSERT(clamp->op == GGML_OP_CLAMP);
        pc.clamp_min = ggml_get_op_params_f32(clamp, 0);
        pc.clamp_max = ggml_get_op_params_f32(clamp, 1);
    }
+    if (mode == TOPK_MOE_SIGMOID_NORM_BIAS) {
+        ggml_tensor * clamp = cgraph->nodes[node_idx + 8];
+        GGML_ASSERT(clamp->op == GGML_OP_CLAMP);
+        pc.clamp_min = ggml_get_op_params_f32(clamp, 0);
+        pc.clamp_max = ggml_get_op_params_f32(clamp, 1);
+    }
+
+#define GATING_FUNC_SOFTMAX 0
+#define GATING_FUNC_SIGMOID 1
+#define GATING_FUNC_SOFTMAX_WEIGHT 2
+
+    pc.gating_func = mode == TOPK_MOE_SIGMOID_NORM_BIAS ? GATING_FUNC_SIGMOID :
+                     mode == TOPK_MOE_LATE_SOFTMAX ?      GATING_FUNC_SOFTMAX_WEIGHT :
+                                                          GATING_FUNC_SOFTMAX;
+    pc.has_bias = mode == TOPK_MOE_SIGMOID_NORM_BIAS;
+    pc.with_norm = mode == TOPK_MOE_EARLY_SOFTMAX_NORM || mode == TOPK_MOE_SIGMOID_NORM_BIAS;
+    if (ctx->fused_topk_moe_scale) {
+        GGML_ASSERT(weights->op == GGML_OP_SCALE);
+        pc.output_scale = ggml_get_op_params_f32(weights, 0);
+        pc.output_bias = ggml_get_op_params_f32(weights, 1);
+    } else {
+        pc.output_scale = 1.0f;
+        pc.output_bias = 0.0f;
+    }

    GGML_ASSERT(n_expert_used <= n_experts);

    const uint32_t rows_per_block = 4;
    std::array<uint32_t, 3> elements = { CEIL_DIV(n_rows, rows_per_block), 1, 1 };

-    ggml_vk_dispatch_pipeline(ctx, subctx, pipeline, {logits_buf, weights_buf, ids_buf}, pc, elements);
+    ggml_vk_dispatch_pipeline(ctx, subctx, pipeline, {logits_buf, bias_buf, weights_buf, ids_buf}, pc, elements);
 }

 static void ggml_vk_rope(ggml_backend_vk_context * ctx, vk_context& subctx, const ggml_cgraph * cgraph, int node_idx, bool backprop) {
@@ -10634,8 +10804,50 @@ static void ggml_vk_mean(ggml_backend_vk_context * ctx, vk_context& subctx, cons
 }

 static void ggml_vk_cumsum(ggml_backend_vk_context * ctx, vk_context& subctx, const ggml_tensor * src0, ggml_tensor * dst) {
-    vk_op_sum_rows_push_constants p = vk_op_sum_rows_push_constants_init(src0, dst, src0->ne[0]);
-    ggml_vk_op_f32(ctx, subctx, src0, nullptr, nullptr, nullptr, dst, GGML_OP_CUMSUM, p);
+    vk_op_sum_rows_push_constants pc = vk_op_sum_rows_push_constants_init(src0, dst, src0->ne[0]);
+    // Use the single pass shader when the rows are small or there are enough rows to fill the GPU.
+    // For fewer, larger rows, use the multipass shader to spread each row across SMs.
+    if (dst->ne[0] <= 4096 || ggml_nrows(dst) >= ctx->device->shader_core_count) {
+        ggml_vk_op_f32(ctx, subctx, src0, nullptr, nullptr, nullptr, dst, GGML_OP_CUMSUM, pc);
+        return;
+    }
+
+    // First pass computes partial sums within a block, and stores the last partial
+    // to the temp buffer. Second pass sums the block partials from the temp buffer
+    // and adds that to the result of the first pass.
+    vk_pipeline pipeline1 = ctx->device->pipeline_cumsum_multipass1_f32;
+    vk_pipeline pipeline2 = ctx->device->pipeline_cumsum_multipass2_f32;
+    GGML_ASSERT(pipeline1 != nullptr && pipeline2 != nullptr);
+
+    ggml_pipeline_request_descriptor_sets(ctx, pipeline1, 1);
+    ggml_pipeline_request_descriptor_sets(ctx, pipeline2, 1);
+
+    std::array<uint32_t, 3> elements;
+
+    elements[0] = dst->ne[0];
+    elements[1] = (uint32_t)ggml_nrows(dst);
+    elements[2] = 1;
+
+    size_t temp_size = sizeof(float) * elements[0] * ggml_nrows(dst);
+
+    if (ctx->prealloc_size_split_k < temp_size) {
+        ctx->prealloc_size_split_k = temp_size;
+        ggml_vk_preallocate_buffers(ctx, subctx);
+    }
+
+    vk_subbuffer src_buf = ggml_vk_tensor_subbuffer(ctx, src0);
+    vk_subbuffer dst_buf = ggml_vk_tensor_subbuffer(ctx, dst);
+    vk_subbuffer temp_buf = ggml_vk_subbuffer(ctx, ctx->prealloc_split_k, 0);
+
+    if (ctx->prealloc_split_k_need_sync) {
+        ggml_vk_sync_buffers(ctx, subctx);
+    }
+
+    ggml_vk_dispatch_pipeline(ctx, subctx, pipeline1, {src_buf, dst_buf, temp_buf}, pc, elements);
+    ggml_vk_sync_buffers(ctx, subctx);
+    ggml_vk_dispatch_pipeline(ctx, subctx, pipeline2, {src_buf, dst_buf, temp_buf}, pc, elements);
+
+    ctx->prealloc_split_k_need_sync = true;
 }

 static void ggml_vk_argmax(ggml_backend_vk_context * ctx, vk_context& subctx, const ggml_tensor * src0, ggml_tensor * dst) {
@@ -12128,6 +12340,11 @@ static bool ggml_vk_build_graph(ggml_backend_vk_context * ctx, ggml_cgraph * cgr

        break;
    case GGML_OP_UNARY:
+        if (ctx->fused_topk_moe_mode != TOPK_MOE_COUNT) {
+            ggml_vk_topk_moe(ctx, compute_ctx, cgraph, node_idx);
+            break;
+        }
+
        switch (ggml_get_unary_op(node)) {
        case GGML_UNARY_OP_EXP:
        case GGML_UNARY_OP_SILU:
@@ -12175,7 +12392,7 @@ static bool ggml_vk_build_graph(ggml_backend_vk_context * ctx, ggml_cgraph * cgr

        break;
    case GGML_OP_SOFT_MAX:
-        if (ctx->num_additional_fused_ops) {
+        if (ctx->fused_topk_moe_mode != TOPK_MOE_COUNT) {
            ggml_vk_topk_moe(ctx, compute_ctx, cgraph, node_idx);
        } else {
            ggml_vk_soft_max(ctx, compute_ctx, src0, src1, src2, node);
@@ -12195,7 +12412,7 @@ static bool ggml_vk_build_graph(ggml_backend_vk_context * ctx, ggml_cgraph * cgr

        break;
    case GGML_OP_ARGSORT:
-        if (ctx->num_additional_fused_ops) {
+        if (ctx->fused_topk_moe_mode != TOPK_MOE_COUNT) {
            ggml_vk_topk_moe(ctx, compute_ctx, cgraph, node_idx);
        } else {
            ggml_vk_argsort(ctx, compute_ctx, src0, node);
@@ -13048,6 +13265,24 @@ static bool ggml_vk_can_fuse_topk_moe(ggml_backend_vk_context * ctx, const struc
        get_rows = cgraph->nodes[node_idx + 4];
        argsort = cgraph->nodes[node_idx + 2];
        break;
+    case TOPK_MOE_SIGMOID_NORM_BIAS:
+        softmax = cgraph->nodes[node_idx + 0]; // really sigmoid
+        weights = cgraph->nodes[node_idx + 10];
+        get_rows = cgraph->nodes[node_idx + 5];
+        argsort = cgraph->nodes[node_idx + 3];
+        if (ggml_get_unary_op(softmax) != GGML_UNARY_OP_SIGMOID) {
+            return false;
+        }
+        // bias is expected to be 1D
+        if (ggml_nrows(cgraph->nodes[node_idx + 2]->src[1]) != 1 ||
+            !ggml_is_contiguous(cgraph->nodes[node_idx + 2]->src[1])) {
+            return false;
+        }
+        // sigmoid fusion seems to generate infinities on moltenvk
+        if (ctx->device->driver_id == vk::DriverId::eMoltenvk) {
+            return false;
+        }
+        break;
    case TOPK_MOE_EARLY_SOFTMAX:
        softmax = cgraph->nodes[node_idx + 0];
        weights = cgraph->nodes[node_idx + 4];
@@ -13071,26 +13306,28 @@ static bool ggml_vk_can_fuse_topk_moe(ggml_backend_vk_context * ctx, const struc
    probs = probs->src[0];
    ggml_tensor * selection_probs = argsort->src[0];

-    if (probs != selection_probs) {
+    if (probs != selection_probs && mode != TOPK_MOE_SIGMOID_NORM_BIAS) {
        return false;
    }

-    const float * op_params = (const float *)softmax->op_params;
-
-    float scale = op_params[0];
-    float max_bias = op_params[1];
-
    if (!ggml_is_contiguous(softmax->src[0]) || !ggml_is_contiguous(weights)) {
        return false;
    }

-    if (scale != 1.0f || max_bias != 0.0f) {
-        return false;
-    }
+    if (softmax->op == GGML_OP_SOFT_MAX) {
+        const float * op_params = (const float *)softmax->op_params;

-    // don't fuse when masks or sinks are present
-    if (softmax->src[1] || softmax->src[2]) {
-        return false;
+        float scale = op_params[0];
+        float max_bias = op_params[1];
+
+        if (scale != 1.0f || max_bias != 0.0f) {
+            return false;
+        }
+
+        // don't fuse when masks or sinks are present
+        if (softmax->src[1] || softmax->src[2]) {
+            return false;
+        }
    }

    const int n_expert = softmax->ne[0];
@@ -13363,6 +13600,8 @@ static ggml_status ggml_backend_vk_graph_compute(ggml_backend_t backend, ggml_cg
            total_mul_mat_bytes += bytes;
        }

+        ctx->fused_topk_moe_mode = TOPK_MOE_COUNT;
+        ctx->fused_topk_moe_scale = false;
        const char *fusion_string {};
        if (!ctx->device->disable_fusion) {
            uint32_t num_adds = ggml_vk_fuse_multi_add(ctx, cgraph, i);
@@ -13408,13 +13647,23 @@ static ggml_status ggml_backend_vk_graph_compute(ggml_backend_t backend, ggml_cg
                ctx->num_additional_fused_ops = topk_moe_early_softmax_norm.size() - 1;
                // view of argsort writes to memory
                ctx->fused_ops_write_mask |= 1 << 3;
+                ctx->fused_topk_moe_mode = TOPK_MOE_EARLY_SOFTMAX_NORM;
                fusion_string = "TOPK_MOE_EARLY_SOFTMAX_NORM";
+            } else if (ggml_can_fuse_subgraph(cgraph, i, topk_moe_sigmoid_norm_bias, { i + 4, i + 10 }) &&
+                       ggml_check_edges(cgraph, i, topk_moe_sigmoid_norm_bias_edges) &&
+                       ggml_vk_can_fuse_topk_moe(ctx, cgraph, i, TOPK_MOE_SIGMOID_NORM_BIAS)) {
+                ctx->num_additional_fused_ops = topk_moe_sigmoid_norm_bias.size() - 1;
+                // view of argsort writes to memory
+                ctx->fused_ops_write_mask |= 1 << 4;
+                ctx->fused_topk_moe_mode = TOPK_MOE_SIGMOID_NORM_BIAS;
+                fusion_string = "TOPK_MOE_SIGMOID_NORM_BIAS";
            } else if (ggml_can_fuse_subgraph(cgraph, i, topk_moe_early_softmax, { i + 3, i + 4 }) &&
                       ggml_check_edges(cgraph, i, topk_moe_early_softmax_edges) &&
                       ggml_vk_can_fuse_topk_moe(ctx, cgraph, i, TOPK_MOE_EARLY_SOFTMAX)) {
                ctx->num_additional_fused_ops = topk_moe_early_softmax.size() - 1;
                // view of argsort writes to memory
                ctx->fused_ops_write_mask |= 1 << 3;
+                ctx->fused_topk_moe_mode = TOPK_MOE_EARLY_SOFTMAX;
                fusion_string = "TOPK_MOE_EARLY_SOFTMAX";
            } else if (ggml_can_fuse_subgraph(cgraph, i, topk_moe_late_softmax, { i + 1, i + 5 }) &&
                       ggml_check_edges(cgraph, i, topk_moe_late_softmax_edges) &&
@@ -13422,8 +13671,17 @@ static ggml_status ggml_backend_vk_graph_compute(ggml_backend_t backend, ggml_cg
                ctx->num_additional_fused_ops = topk_moe_late_softmax.size() - 1;
                // view of argsort writes to memory
                ctx->fused_ops_write_mask |= 1 << 1;
+                ctx->fused_topk_moe_mode = TOPK_MOE_LATE_SOFTMAX;
                fusion_string = "TOPK_MOE_LATE_SOFTMAX";
            }
+            if (ctx->fused_topk_moe_mode != TOPK_MOE_COUNT) {
+                // Look for an additional scale op to fuse - occurs in deepseek2 and nemotron3 nano.
+                if (ggml_can_fuse_subgraph(cgraph, i + ctx->num_additional_fused_ops - 1, { GGML_OP_DIV, GGML_OP_RESHAPE, GGML_OP_SCALE }, { i + ctx->num_additional_fused_ops + 1 }) ||
+                    ggml_can_fuse_subgraph(cgraph, i + ctx->num_additional_fused_ops, { GGML_OP_GET_ROWS, GGML_OP_SCALE }, { i + ctx->num_additional_fused_ops + 1 })) {
+                    ctx->fused_topk_moe_scale = true;
+                    ctx->num_additional_fused_ops++;
+                }
+            }
        }
        ctx->fused_ops_write_mask |= 1 << ctx->num_additional_fused_ops;

@@ -13602,6 +13860,9 @@ static void ggml_vk_graph_optimize(ggml_backend_t backend, struct ggml_cgraph *
        if (keep_pattern(topk_moe_early_softmax_norm)) {
            continue;
        }
+        if (keep_pattern(topk_moe_sigmoid_norm_bias)) {
+            continue;
+        }
        if (keep_pattern(topk_moe_early_softmax)) {
            continue;
        }
@@ -13628,6 +13889,7 @@ static void ggml_vk_graph_optimize(ggml_backend_t backend, struct ggml_cgraph *
            }
            // Don't pull forward nodes from fusion patterns
            if (match_pattern(topk_moe_early_softmax_norm, j) ||
+                match_pattern(topk_moe_sigmoid_norm_bias, j) ||
                match_pattern(topk_moe_early_softmax, j) ||
                match_pattern(topk_moe_late_softmax, j)) {
                continue;
@@ -14589,6 +14851,51 @@ static void ggml_backend_vk_device_event_synchronize(ggml_backend_dev_t dev, ggm
    VK_CHECK(device->device.waitForFences({ vkev->fence }, true, UINT64_MAX), "event_synchronize");
 }

+static vk_buffer ggml_vk_buffer_from_host_ptr(vk_device & device, void * ptr, size_t size) {
+    if (!device->external_memory_host) {
+        return {};
+    }
+
+    uintptr_t uptr = reinterpret_cast<uintptr_t>(ptr);
+    if (uptr & (device->min_imported_host_pointer_alignment - 1)) {
+        return {};
+    }
+    if (size & (device->min_imported_host_pointer_alignment - 1)) {
+        return {};
+    }
+
+    const vk::MemoryPropertyFlags property_flags = vk::MemoryPropertyFlagBits::eHostVisible | vk::MemoryPropertyFlagBits::eHostCoherent | vk::MemoryPropertyFlagBits::eHostCached;
+
+    vk_buffer buf {};
+    try {
+        buf = ggml_vk_create_buffer(device, size, { property_flags }, ptr);
+    } catch (vk::SystemError& e) {
+        GGML_LOG_WARN("ggml_vulkan: Failed ggml_vk_create_buffer (%s)\n", e.what());
+    }
+
+    return buf;
+}
+
+static ggml_backend_buffer_t ggml_backend_vk_device_buffer_from_host_ptr(ggml_backend_dev_t dev, void * ptr, size_t size, size_t max_tensor_size) {
+    VK_LOG_DEBUG("ggml_backend_vk_device_buffer_from_host_ptr(backend=" << dev << ", ptr=" << ptr << ", size=" << size << ")");
+    GGML_UNUSED(max_tensor_size);
+
+    ggml_backend_vk_device_context * ctx = (ggml_backend_vk_device_context *)dev->context;
+    auto device = ggml_vk_get_device(ctx->device);
+
+    vk_buffer buf = ggml_vk_buffer_from_host_ptr(device, ptr, size);
+
+    if (!buf) {
+        return {};
+    }
+
+    ggml_backend_vk_buffer_context * bufctx = new ggml_backend_vk_buffer_context(device, std::move(buf), device->name);
+
+    ggml_backend_buffer_t ret = ggml_backend_buffer_init(ggml_backend_vk_device_get_buffer_type(dev), ggml_backend_vk_buffer_interface, bufctx, size);
+
+    return ret;
+}
+
 static const struct ggml_backend_device_i ggml_backend_vk_device_i = {
    /* .get_name             = */ ggml_backend_vk_device_get_name,
    /* .get_description      = */ ggml_backend_vk_device_get_description,
@@ -14598,7 +14905,7 @@ static const struct ggml_backend_device_i ggml_backend_vk_device_i = {
    /* .init_backend         = */ ggml_backend_vk_device_init,
    /* .get_buffer_type      = */ ggml_backend_vk_device_get_buffer_type,
    /* .get_host_buffer_type = */ ggml_backend_vk_device_get_host_buffer_type,
-    /* .buffer_from_host_ptr = */ NULL,
+    /* .buffer_from_host_ptr = */ ggml_backend_vk_device_buffer_from_host_ptr,
    /* .supports_op          = */ ggml_backend_vk_device_supports_op,
    /* .supports_buft        = */ ggml_backend_vk_device_supports_buft,
    /* .offload_op           = */ ggml_backend_vk_device_offload_op,
@@ -14,6 +14,7 @@ layout (binding = 1) writeonly buffer D {D_TYPE data_d[];};

 layout (constant_id = 0) const uint BLOCK_SIZE = 128;
 layout (constant_id = 1) const uint SUBGROUP_SIZE = 32;
+layout (constant_id = 2) const uint ELEM_PER_THREAD = 4;

 #define CEIL_DIV(a, b) (((a) + (b) - 1) / (b))

@@ -38,32 +39,45 @@ void main() {
        last_sum = 0;
    }

-    uint col = tid;
-    uint num_iter = CEIL_DIV(p.n_cols, BLOCK_SIZE);
+    uint col = tid * ELEM_PER_THREAD;
+    uint num_iter = CEIL_DIV(p.n_cols, BLOCK_SIZE * ELEM_PER_THREAD);
    for (int i = 0; i < num_iter; ++i) {
-        FLOAT_TYPE v = 0;
-        if (col < p.n_cols) {
-            v = FLOAT_TYPE(data_a[src_idx + col]);
+        FLOAT_TYPE v[ELEM_PER_THREAD];
+        FLOAT_TYPE thread_sum = 0;
+        [[unroll]] for (uint j = 0; j < ELEM_PER_THREAD; ++j) {
+            if (col + j < p.n_cols) {
+                thread_sum += FLOAT_TYPE(data_a[src_idx + col + j]);
+            }
+            v[j] = thread_sum;
        }
-        v = subgroupInclusiveAdd(v);

+        thread_sum = subgroupExclusiveAdd(thread_sum);
+        [[unroll]] for (uint j = 0; j < ELEM_PER_THREAD; ++j) {
+            v[j] += thread_sum;
+        }
        // Store the largest partial sum for each subgroup, then add the partials for all
        // lower subgroups and the final partial sum from the previous iteration.
        if (gl_SubgroupInvocationID == SUBGROUP_SIZE - 1) {
-            partial[subgroup_id] = v;
+            partial[subgroup_id] = v[ELEM_PER_THREAD - 1];
        }
        barrier();
-        for (int j = 0; j < subgroup_id; ++j) {
-            v += partial[j];
+        for (int s = 0; s < subgroup_id; ++s) {
+            [[unroll]] for (uint j = 0; j < ELEM_PER_THREAD; ++j) {
+                v[j] += partial[s];
+            }
+        }
+        [[unroll]] for (uint j = 0; j < ELEM_PER_THREAD; ++j) {
+            v[j] += last_sum;
        }
-        v += last_sum;
        barrier();
        if (tid == BLOCK_SIZE - 1) {
-            last_sum = v;
+            last_sum = v[ELEM_PER_THREAD - 1];
        }
-        if (col < p.n_cols) {
-            data_d[dst_idx + col] = D_TYPE(v);
+        [[unroll]] for (uint j = 0; j < ELEM_PER_THREAD; ++j) {
+            if (col + j < p.n_cols) {
+                data_d[dst_idx + col + j] = D_TYPE(v[j]);
+            }
        }
-        col += BLOCK_SIZE;
+        col += BLOCK_SIZE * ELEM_PER_THREAD;
    }
 }
@@ -0,0 +1,60 @@
+#version 450
+
+#include "types.glsl"
+#include "sum_rows.glsl"
+
+#extension GL_EXT_control_flow_attributes : enable
+#extension GL_KHR_shader_subgroup_arithmetic : enable
+#extension GL_KHR_shader_subgroup_basic : enable
+
+layout(local_size_x_id = 0, local_size_y = 1, local_size_z = 1) in;
+
+layout (binding = 0) readonly buffer A {A_TYPE data_a[];};
+layout (binding = 1) writeonly buffer D {D_TYPE data_d[];};
+layout (binding = 2) writeonly buffer T {D_TYPE data_t[];};
+
+layout (constant_id = 0) const uint BLOCK_SIZE = 128;
+layout (constant_id = 1) const uint SUBGROUP_SIZE = 32;
+
+#define CEIL_DIV(a, b) (((a) + (b) - 1) / (b))
+
+shared FLOAT_TYPE partial[BLOCK_SIZE / SUBGROUP_SIZE];
+
+void main() {
+    const uint row = gl_WorkGroupID.y;
+    const uint tid = gl_LocalInvocationID.x;
+    const uint col = gl_GlobalInvocationID.x;
+
+    const uint i03 = fastdiv(row, p.ne0_12mp, p.ne0_12L);
+    const uint i03_offset = i03 * p.ne01*p.ne02;
+    const uint i02 = fastdiv(row - i03_offset, p.ne0_1mp, p.ne0_1L);
+    const uint i01 = row - i03_offset - i02*p.ne01;
+
+    const uint src_idx = get_aoffset() + i01 * p.nb01 + i02 * p.nb02 + i03 * p.nb03;
+    const uint dst_idx = get_doffset() + i01 * p.nb11 + i02 * p.nb12 + i03 * p.nb13;
+
+    uint subgroup_id = tid / SUBGROUP_SIZE;
+
+    FLOAT_TYPE v = 0;
+    if (col < p.n_cols) {
+        v = FLOAT_TYPE(data_a[src_idx + col]);
+    }
+    v = subgroupInclusiveAdd(v);
+
+    // Store the largest partial sum for each subgroup, then add the partials for all
+    // lower subgroups and the final partial sum from the previous iteration.
+    if (gl_SubgroupInvocationID == SUBGROUP_SIZE - 1) {
+        partial[subgroup_id] = v;
+    }
+    barrier();
+    for (int j = 0; j < subgroup_id; ++j) {
+        v += partial[j];
+    }
+    barrier();
+    if (tid == BLOCK_SIZE - 1) {
+        data_t[gl_WorkGroupID.x + gl_NumWorkGroups.x * row] = v;
+    }
+    if (col < p.n_cols) {
+        data_d[dst_idx + col] = D_TYPE(v);
+    }
+}
@@ -0,0 +1,66 @@
+#version 450
+
+#include "types.glsl"
+#include "sum_rows.glsl"
+
+#extension GL_EXT_control_flow_attributes : enable
+#extension GL_KHR_shader_subgroup_arithmetic : enable
+#extension GL_KHR_shader_subgroup_basic : enable
+
+layout(local_size_x_id = 0, local_size_y = 1, local_size_z = 1) in;
+
+layout (binding = 0) readonly buffer A {A_TYPE data_a[];};
+layout (binding = 1) buffer D {D_TYPE data_d[];};
+layout (binding = 2) readonly buffer T {D_TYPE data_t[];};
+
+layout (constant_id = 0) const uint BLOCK_SIZE = 128;
+layout (constant_id = 1) const uint SUBGROUP_SIZE = 32;
+
+#define CEIL_DIV(a, b) (((a) + (b) - 1) / (b))
+
+shared FLOAT_TYPE temp[BLOCK_SIZE / SUBGROUP_SIZE];
+
+void main() {
+    const uint row = gl_WorkGroupID.y;
+    const uint tid = gl_LocalInvocationID.x;
+
+    const uint i03 = fastdiv(row, p.ne0_12mp, p.ne0_12L);
+    const uint i03_offset = i03 * p.ne01*p.ne02;
+    const uint i02 = fastdiv(row - i03_offset, p.ne0_1mp, p.ne0_1L);
+    const uint i01 = row - i03_offset - i02*p.ne01;
+
+    const uint src_idx = get_aoffset() + i01 * p.nb01 + i02 * p.nb02 + i03 * p.nb03;
+    const uint dst_idx = get_doffset() + i01 * p.nb11 + i02 * p.nb12 + i03 * p.nb13;
+
+    const uint col = gl_GlobalInvocationID.x;
+
+    float v = 0;
+    // prefetch value we're adding to
+    if (col < p.n_cols) {
+        v = data_d[dst_idx + col];
+    }
+
+    // compute the sum of all previous blocks
+    uint c = tid;
+    float sum = 0;
+    while (c < gl_WorkGroupID.x) {
+        sum += data_t[c + gl_NumWorkGroups.x * row];
+        c += BLOCK_SIZE;
+    }
+
+    sum = subgroupAdd(sum);
+    if (gl_SubgroupInvocationID == 0) {
+        temp[gl_SubgroupID] = sum;
+    }
+    barrier();
+    sum = 0;
+    [[unroll]] for (uint s = 0; s < BLOCK_SIZE / SUBGROUP_SIZE; ++s) {
+        sum += temp[s];
+    }
+
+    // Add the sum to what the first pass computed
+    if (col < p.n_cols) {
+        data_d[dst_idx + col] = v + sum;
+    }
+}
+
@@ -14,6 +14,8 @@ layout(local_size_x_id = 0, local_size_y = 1, local_size_z = 1) in;
 #define K_PER_ITER 8
 #elif defined(DATA_A_QUANT_K)
 #define K_PER_ITER 16
+#elif defined(DATA_A_IQ1_S) || defined(DATA_A_IQ1_M)
+#define K_PER_ITER 32
 #else
 #error unimplemented
 #endif
@@ -49,6 +51,15 @@ void iter(inout FLOAT_TYPE temp[NUM_COLS][NUM_ROWS], const uint first_row, const
        cache_b_qs[1] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8 + b_qs_idx * 4 + 1];
        cache_b_qs[2] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8 + b_qs_idx * 4 + 2];
        cache_b_qs[3] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8 + b_qs_idx * 4 + 3];
+#elif K_PER_ITER == 32
+        cache_b_qs[0] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8    ];
+        cache_b_qs[1] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8 + 1];
+        cache_b_qs[2] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8 + 2];
+        cache_b_qs[3] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8 + 3];
+        cache_b_qs[4] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8 + 4];
+        cache_b_qs[5] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8 + 5];
+        cache_b_qs[6] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8 + 6];
+        cache_b_qs[7] = data_b[b_block_idx_outer].qs[b_block_idx_inner * 8 + 7];
 #else
 #error unimplemented
 #endif
@@ -377,3 +377,118 @@ FLOAT_TYPE mmvq_dot_product(const uint ib_a, const uint iqs) {
    return FLOAT_TYPE(float(cache_b_ds.x) * float(d_scale) * float(q_sum));
 }
 #endif
+
+#if defined(DATA_A_IQ1_S)
+void repack8(uint ib, uint iqs, out i32vec4 out0, out i32vec4 out1) {
+    const uint ib32 = iqs / 32;
+
+    const uint qh = data_a[ib].qh[ib32];
+
+    const uint qs16_0 = data_a_packed16[ib].qs[(4 * ib32 + 0) / 2];
+    const uint qs16_1 = data_a_packed16[ib].qs[(4 * ib32 + 2) / 2];
+
+    const uint qs0 = qs16_0 & 0xFF;
+    const uint qs1 = qs16_0 >> 8;
+    const uint qs2 = qs16_1 & 0xFF;
+    const uint qs3 = qs16_1 >> 8;
+
+    const uint hi0 = bitfieldExtract(qh, 3 * int(0), 3);
+    const uint hi1 = bitfieldExtract(qh, 3 * int(1), 3);
+    const uint hi2 = bitfieldExtract(qh, 3 * int(2), 3);
+    const uint hi3 = bitfieldExtract(qh, 3 * int(3), 3);
+
+    const int32_t grid0 = int32_t(iq1s_grid_gpu[qs0 | (hi0 << 8)]);
+    const int32_t grid1 = int32_t(iq1s_grid_gpu[qs1 | (hi1 << 8)]);
+    const int32_t grid2 = int32_t(iq1s_grid_gpu[qs2 | (hi2 << 8)]);
+    const int32_t grid3 = int32_t(iq1s_grid_gpu[qs3 | (hi3 << 8)]);
+
+    out0 = i32vec4((grid0 >> 0) & 0x0F0F0F0F,
+                   (grid0 >> 4) & 0x0F0F0F0F,
+                   (grid1 >> 0) & 0x0F0F0F0F,
+                   (grid1 >> 4) & 0x0F0F0F0F);
+    out1 = i32vec4((grid2 >> 0) & 0x0F0F0F0F,
+                   (grid2 >> 4) & 0x0F0F0F0F,
+                   (grid3 >> 0) & 0x0F0F0F0F,
+                   (grid3 >> 4) & 0x0F0F0F0F);
+}
+
+vec2 get_dm(uint ib, uint iqs) {
+    const uint ib32 = iqs / 32;
+
+    const uint qh = data_a[ib].qh[ib32];
+    const float delta = ((qh & 0x8000) != 0) ? -IQ1S_DELTA : IQ1S_DELTA;
+
+    const float d = float(data_a[ib].d);
+    const float dl = d * float(2 * bitfieldExtract(qh, 12, 3) + 1);
+
+    // the -1 cancels out the bias in iq1s_grid_gpu
+    return FLOAT_TYPE_VEC2(dl, dl * (delta - 1));
+}
+
+FLOAT_TYPE mmvq_dot_product(const uint ib_a, const uint iqs) {
+    int32_t q_sum = 0;
+
+    const uint ib_k = ib_a / 8;
+    const uint iqs_k = (ib_a % 8) * 32 + iqs * 32;
+
+    i32vec4 qs_a0;
+    i32vec4 qs_a1;
+    repack8(ib_k, iqs_k, qs_a0, qs_a1);
+
+    const vec2 dm = get_dm(ib_k, iqs_k);
+
+    q_sum += dotPacked4x8EXT(qs_a0.x, cache_b_qs[0]);
+    q_sum += dotPacked4x8EXT(qs_a0.y, cache_b_qs[1]);
+    q_sum += dotPacked4x8EXT(qs_a0.z, cache_b_qs[2]);
+    q_sum += dotPacked4x8EXT(qs_a0.w, cache_b_qs[3]);
+    q_sum += dotPacked4x8EXT(qs_a1.x, cache_b_qs[4]);
+    q_sum += dotPacked4x8EXT(qs_a1.y, cache_b_qs[5]);
+    q_sum += dotPacked4x8EXT(qs_a1.z, cache_b_qs[6]);
+    q_sum += dotPacked4x8EXT(qs_a1.w, cache_b_qs[7]);
+
+    return FLOAT_TYPE(float(cache_b_ds.x) * float(dm.x) * float(q_sum) + float(dm.y) * float(cache_b_ds.y));
+}
+#endif
+
+#if defined(DATA_A_IQ1_M)
+FLOAT_TYPE mmvq_dot_product(const uint ib_a, const uint iqs) {
+    const uint ib_k = ib_a / 8;
+    const uint iqs_k = (ib_a % 8) * 32 + iqs * 32;
+
+    const uint ib32 = iqs_k / 32;
+    const uint ib64 = ib32 / 2;
+
+    const uint16_t[4] scales = data_a[ib_k].scales;
+    const u16vec4 s = u16vec4(scales[0], scales[1], scales[2], scales[3]) >> 12;
+    const float d = float(unpackHalf2x16(s.x | (s.y << 4) | (s.z << 8) | (s.w << 12)).x);
+
+    const uint qs32 = data_a_packed32[ib_k].qs[ib32];
+    const uint qh16 = data_a_packed16[ib_k].qh[ib32];
+
+    float sum = 0;
+    const uint sc = data_a[ib_k].scales[ib64];
+    [[unroll]] for (int l = 0; l < 4; ++l) {
+        const uint ib16 = 2 * ib32 + l / 2;
+        const float dl = d * (2 * bitfieldExtract(sc, 3 * int(ib16 & 3), 3) + 1);
+        const uint qh = qh16 >> (4 * l);
+        const uint qs = (qs32 >> (8 * l)) & 0xFF;
+        const float delta = ((qh & 8) != 0) ? -IQ1M_DELTA : IQ1M_DELTA;
+
+        const int32_t grid = int32_t(iq1s_grid_gpu[qs | ((qh & 7) << 8)]);
+
+        int32_t q_sum = 0;
+        q_sum += dotPacked4x8EXT((grid >> 0) & 0x0F0F0F0F, cache_b_qs[2 * l + 0]);
+        q_sum += dotPacked4x8EXT((grid >> 4) & 0x0F0F0F0F, cache_b_qs[2 * l + 1]);
+
+        int32_t y_sum = 0;
+        y_sum += dotPacked4x8EXT(int(0x01010101), cache_b_qs[2 * l + 0]);
+        y_sum += dotPacked4x8EXT(int(0x01010101), cache_b_qs[2 * l + 1]);
+
+        // the -1 cancels out the bias in iq1s_grid_gpu
+        sum += dl * (q_sum + y_sum * (delta - 1));
+    }
+    sum *= float(cache_b_ds.x);
+
+    return sum;
+}
+#endif
@@ -15,6 +15,7 @@
 layout (push_constant) uniform parameter
 {
    uint ne;
+    uint num_blocks;
 } p;

 #include "types.glsl"
@@ -33,8 +34,7 @@ layout (binding = 1) writeonly buffer D {block_q8_1_x4 data_b[];};
 shared float shmem[GROUP_SIZE];
 #endif

-void quantize() {
-    const uint wgid = gl_WorkGroupID.x;
+void quantize(const uint wgid) {
    const uint tid = INVOCATION_ID;

    // Each thread handles a vec4, so 8 threads handle a block
@@ -45,11 +45,7 @@ void quantize() {
    const uint ib = wgid * blocks_per_group + block_in_wg;
    const uint iqs = tid % 8;

-#ifndef QBLOCK_X4
-    if (ib >= gl_NumWorkGroups.x * blocks_per_group) {
-        return;
-    }
-#else
+#ifdef QBLOCK_X4
    const uint ibx4_outer = ib / 4;
    const uint ibx4_inner = ib % 4;

@@ -123,5 +119,9 @@ void quantize() {
 }

 void main() {
-    quantize();
+    uint wgid = gl_WorkGroupID.x;
+    while (wgid < p.num_blocks) {
+        quantize(wgid);
+        wgid += gl_NumWorkGroups.x;
+    }
 }
@@ -7,6 +7,10 @@

 #include "types.glsl"

+#define GATING_FUNC_SOFTMAX 0
+#define GATING_FUNC_SIGMOID 1
+#define GATING_FUNC_SOFTMAX_WEIGHT 2
+
 layout (push_constant) uniform parameter
 {
    uint n_rows;
@@ -14,15 +18,18 @@ layout (push_constant) uniform parameter
    uint n_expert_used;
    float clamp_min;
    float clamp_max;
+    uint gating_func;
+    uint has_bias;
+    uint with_norm;
+    float output_scale;
+    float output_bias;
 };

 layout(local_size_x_id = 0, local_size_y = 4, local_size_z = 1) in;

 layout(constant_id = 0) const uint WARP_SIZE = 32;
 layout(constant_id = 1) const uint n_experts_spec = 512;
-layout(constant_id = 2) const bool with_norm = true;
-layout(constant_id = 3) const bool late_softmax = false;
-layout(constant_id = 4) const bool nexperts_use_push = false;
+layout(constant_id = 2) const bool nexperts_use_push = false;

 uint n_experts = nexperts_use_push ? n_experts_push : n_experts_spec;

@@ -31,8 +38,9 @@ uint n_experts = nexperts_use_push ? n_experts_push : n_experts_spec;
 const uint experts_per_thread = CEIL_DIV(n_experts_spec, WARP_SIZE);

 layout (binding = 0, std430) readonly buffer Logits {float logits[];};
-layout (binding = 1, std430) writeonly buffer Weights {float weights[];};
-layout (binding = 2, std430) writeonly buffer Ids {uint ids[];};
+layout (binding = 1, std430) readonly buffer BiasProbs {float bias[];};
+layout (binding = 2, std430) writeonly buffer Weights {float weights[];};
+layout (binding = 3, std430) writeonly buffer Ids {uint ids[];};

 const float INFINITY = 1.0 / 0.0;

@@ -87,20 +95,45 @@ void main() {
    }

    const uint logits_offset = n_experts * row;
+    const uint bias_offset = 0; // 1D
    const uint weights_offset = n_expert_used * row;
    const uint ids_offset = n_experts * row;
    const uint lane = gl_SubgroupInvocationID;

-    float wt[experts_per_thread];
+    float probs[experts_per_thread];
+    [[unroll]]
+    for (int i = 0; i < experts_per_thread; i++) {
+        probs[i] = -INFINITY;
+    }

    [[unroll]]
    for (uint i = 0; i < n_experts; i += WARP_SIZE) {
        const uint expert = i + lane;
-        wt[i / WARP_SIZE] = (n_experts % WARP_SIZE == 0 || expert < n_experts) ? logits[logits_offset + expert] : -INFINITY;
+        probs[i / WARP_SIZE] = (n_experts % WARP_SIZE == 0 || expert < n_experts) ? logits[logits_offset + expert] : -INFINITY;
    }

-    if (!late_softmax) {
-        softmax_warp_inplace(wt, n_experts, lane, nexperts_use_push);
+    if (gating_func == GATING_FUNC_SOFTMAX) {
+        softmax_warp_inplace(probs, n_experts, lane, nexperts_use_push);
+    } else if (gating_func == GATING_FUNC_SIGMOID) {
+        [[unroll]]
+        for (uint i = 0; i < n_experts; i += WARP_SIZE) {
+            const uint expert = i + lane;
+            probs[i / WARP_SIZE] = (n_experts % WARP_SIZE == 0 || expert < n_experts) ? 1.f / (1.f + exp(-probs[i / WARP_SIZE])) : -INFINITY;
+        }
+    }
+
+    float selection_probs[experts_per_thread];
+    if (has_bias != 0) {
+        [[unroll]]
+        for (uint i = 0; i < n_experts; i += WARP_SIZE) {
+            const uint expert = i + lane;
+            selection_probs[i / WARP_SIZE] = (n_experts % WARP_SIZE == 0 || expert < n_experts) ? probs[i / WARP_SIZE] + bias[bias_offset + expert] : -INFINITY;
+        }
+    } else {
+        [[unroll]]
+        for (int i = 0; i < experts_per_thread; i++) {
+            selection_probs[i] = probs[i];
+        }
    }

    // at this point, each thread holds a portion of softmax,
@@ -117,14 +150,16 @@ void main() {
    }

    for (int k = 0; k < n_expert_used; k++) {
-        float max_val    = wt[0];
+        float max_val    = probs[0];
+        float max_val_s  = selection_probs[0];
        uint   max_expert = lane;

        [[unroll]]
-        for (int i = 1; i < experts_per_thread; i++) {
-            const uint expert = lane + i * WARP_SIZE;
-            if ((n_experts % WARP_SIZE == 0 || expert < n_experts) && wt[i] > max_val) {
-                max_val    = wt[i];
+        for (uint i = WARP_SIZE; i < n_experts; i += WARP_SIZE) {
+            const uint expert = i + lane;
+            if ((n_experts % WARP_SIZE == 0 || expert < n_experts) && selection_probs[i / WARP_SIZE] > max_val_s) {
+                max_val    = probs[i / WARP_SIZE];
+                max_val_s  = selection_probs[i / WARP_SIZE];
                max_expert = expert;
            }
        }
@@ -132,9 +167,11 @@ void main() {
        [[unroll]]
        for (uint mask = WARP_SIZE / 2; mask > 0; mask /= 2) {
            const float val    = subgroupShuffleXor(max_val, mask);
+            const float val_s  = subgroupShuffleXor(max_val_s, mask);
            const uint  expert = subgroupShuffleXor(max_expert, mask);
-            if (val > max_val || (val == max_val && expert < max_expert)) {
+            if (val_s > max_val_s || (val_s == max_val_s && expert < max_expert)) {
                max_val    = val;
+                max_val_s  = val_s;
                max_expert = expert;
            }
        }
@@ -144,16 +181,14 @@ void main() {
        }

        if ((max_expert & (WARP_SIZE - 1)) == lane) {
-            wt[max_expert / WARP_SIZE] = -INFINITY;
+            selection_probs[max_expert / WARP_SIZE] = -INFINITY;

            ids[ids_offset + k] = max_expert;
-            if (with_norm) {
-                wt_sum += max_val;
-            }
+            wt_sum += max_val;
        }
    }

-    if (with_norm) {
+    if (with_norm != 0) {
        wt_sum              = subgroupAdd(wt_sum);
        wt_sum              = clamp(wt_sum, clamp_min, clamp_max);
        const float inv_sum = 1.0f / wt_sum;
@@ -164,7 +199,7 @@ void main() {
        }
    }

-    if (late_softmax) {
+    if (gating_func == GATING_FUNC_SOFTMAX_WEIGHT) {
        softmax_warp_inplace(output_weights, n_expert_used, lane, true);
    }

@@ -172,7 +207,7 @@ void main() {
    for (uint i = 0; i < experts_per_thread; ++i) {
        uint idx = i * WARP_SIZE + lane;
        if (idx < n_expert_used) {
-            weights[weights_offset + idx] = output_weights[i];
+            weights[weights_offset + idx] = output_scale * output_weights[i] + output_bias;
        }
    }
 }
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				`IMPORTANT: Ensure you’ve thoroughly reviewed the [AGENTS.md](AGENTS.md) file before beginning any work.`