* hexagon: use non-host bufs by default and make the backend fully async
* hex-hb: remove optional hostbuf support and fix async copy
* hex-unary: relax supported unary check
* hex-bufs: use same get_alignment for host bufs
* snapdragon: bump android_platform to 34
* hex-rows: super hacky get/set rows for q8_0
* hex-get-rows: fix q8_0
* hex-get-rows: supprot for f16 and cleanup for q8_0
* hex-get-rows: generic macros and specialized thread funcs
* hex-get-rows: add DMA pipeline, vtcm_layout and kernel params
* hex-set-rows: fix q8_0 support, add dma and tracing
* hex-tests: override nmse threshold for HTP of Q8_0 quants
* hex-fa: add support for Q8_0 with inplace dequantizers
* hex-get-rows: simplify type dispatch
* hex-rows: simplify GET/SET_ROWS DMA pipeline
* hex-async: add events, set/get-tensor-async and rest of the async api support
* hex-repack: use slice instead of expert in repack functions
* hex-cpy: update event/async-cpy logging
* hex-set-rows: optimize smaller tensors
* hex-geglu: fix perf regression with larger tensors
* hex-get-rows: add missing header
* hex-set-rows: add missing header
* hex-bufs: ressurect GGML_HEXAGON_HOSTBUF but disable it by default
* hexagon: do not reject ops with non-heaxon buffers
* hex-get-rows: apply >=32 restriction only for q8_0
* hex-res: bump vtcm acquire timeout to 10 seconds
* hex-bufs: add support for cloning buffers between sessions to speed up tensor copies
* hex-async: rework event recording and batch flushing and integrate with meta backend
* hex-bufs: improved handling of repacked tensors
* hex-repack: handle get_tensor_2d offsets
* hex-dev: add support for devices with multiple NPUs
* hex-sync: add support for sync tokens to synchronize npu devices for async splits
* hex-mmap: cleanup mmap calls and add a retry for robustness
* hex-sync: add failsafe if sync wait gets stuck
* hex-sync: use sync_seq to check for completed events
* hex-sync: rotate tokens for extra robustness
* hex-devs: add supprot for legacy device names for now
* hex-bufs: add support for auto-cloning buffers from diff sessions
* hex-fusion: simplify and optimize htp-opnode fusion handling
* hex-sync: override opnode name so that it shows up in the profiles
* hex-trace: update scripts to handle multiple devices
* hex-sync: bump the size of the opbatch queue and number of sync tokens
* hex-cpy-sync: do not explicitly flush opbatches in cpy_tensor_async and add support for cpy-dma
* hex-sync: add graph-flush threshold to avoid single op batches
* hex-sync: add sync_peer so that we can flush peers we depend on during cross-device ops
* hex-bufs: introduce tensor->extra and shadow_bufs for repacking
* hex-l2: flush tiny tensors inline
* hex-sync: use explicit l2flush for sync tokens
* hex-extra: track weight flags via tensor extra
* hex-fence: rename sync to fence
* hex-repack: proper handling of set-tensor-2d in the shadow_buf
* hex-trace: remove obsolete opstage mask that we used for profiling
* hex-env: remove obsolete use_hmx variable
* hexagon: new unified run.py and build.py and updated docs
* snapdragon: update run script to auto-escapt test-backend-op -p argument
* hex-scripts: fix trailing spaces
* hex-scripts: fix flake8 warnings
* snapdragon: cleanup dst lib/bin dirs before copying new build
* hex-ops: add support for allreduce
* hex-ar: improved allreduce with dma pipeline
* hex-ar: align macros
* hex-ar: consistent use of fence_seq
* hex-ar: add AR_SELECT env var to select ALLREDUCE kernel or fallback
* hex-ar: add proper synchronize handling for ALLREDUCE
* hex-opbatch: looks like we now just rely on backend.synchronise to flush the batches, no need to flush them by threshold
* hex-ar: bump block size to improve dma efficiency
* hex-ar: fused ALLREDUCE+ADD
* hex-ar: cleaner fence buffer management
* hex-ar: futher allreduce tweaking to remove race conditions
* hex-ar: add simple solver and remove non-dma kernels
* hex-ar: add row-broadcast to fuse with bias ADD
* hex-fence: pass seq numbers via op_params
* hex-ar: allow for both entry/exit seq for completing entry wait
* hex-ar: align macros
* hex-ar: do not refetch broadcast row
* hex-fusion: move all fusion into opbatch::add_op for consistency with ALLREDUCE and things
* hex-fusion: fix incorrect MUL_MAT reordering
* hex-mm: make fused 2x and 3x matmuls more generic
* hex-fusion: move tensor fusion tagging to graph_compute
* hexagon: make sure to copy tensor->extra by value
* hex-get-rows: fix offset calc with row-chunking
* hex-repack: get_tensor_2d fixes for non-zero offsets
* snapdragon: make profile/trace scripts more robust and donot mix stdout/stderr by default
* hex-devices: use legacy device nameing by default to ease the transition
* hex-devices: hardcode CDSP domain IDs for current devices for now
* hex-optrace: improve multi-NPU timestamp alignment and overall handling of cycle values
* hex-optrace: more robust handling of the fence events
* hex-mm: new weight layout and fusion updates
* hvx-mm: unroll the new tiled vec_dots to optimize hvx register util
* hex-mm: optimize dyn.quant format for q8_0 and q8_1 to reduce overhead in vec_dots.
* hvx-mm: parallel quantizer per block for large rows
* hvx-mm: simplify and futher optimize dyn.quant and vec_dots
* hvx-mm: keep intermediate per tile accumulators in fp16
* hmx-mm: optimize weight dequant by aligning the repacked tiles with the DMA
* hmx-mm: remove qweight scratch and just use vtcm_weight
* hmx-mm: remove all unused and obsolete code
* hmx-mm: the new tiled repack format is here to stay -- rename all x4x2 to _tiled
* hmx-mm: improve activation processing with dma prefetch
* hex-mm: fix hmx/hvx fallback logic and MUL_MAT_ID allocation (unbreaks OLMoE)
* hex-mm: align the weight tiles with dma just like we did in hmx-mm
* hex-mm: factor out common mm bits into htp/matmul-ops.h
* hex-mm: start moving mm kernel selection to the host
* hex-mm: move all of the matmul param compute into the host
* hmx-mm: restore pipelined mode
* hmx-mm: unroll the dequant functions to optimize register usage
* hmx-mm: further improve activation process
* hex-mm: use vtcm_seq_alloc for all vtcm allocations and define more common functions
* hex-mm: improve mm optimizer to acount for number of activation threads
* hex-mm: fix matmul-id kernel params selection (unbreaks OLMoE and LFM)
* hexagon: remove support for arch < v73 since HMX is now required for most use-cases
* hex-mm: cleanup naming for consistency
* hex-mm: make sure matmul fusion accounts for vtcm allocation
* hex-mm: minor cleanup for kernel_params definition
* hex-mm: replace hardcoded limits with proper checks for vtcm requirements
* hex-mm: add support for non-tiled mm as a fallback option and factor out hvx kernels into separate header
* hex-mm: remove unused functions
* hex-mm: add shorthand for MM_SELECT in run-tool script
* hvx-mm: factor out hvx/hmx microkernels and unify matmul entry and dispatch
* hex-mm: further cleanup matmul fallback path
* hex-mm: refactor matmul entry point and dispatch a bit further
* hexagon: update cmake build to enable hmx for everything
* hex-ops: optimize kernel_param updates and include summary in the logs
* hex-mm: add support for GGML_HEXAGON_MM_SELECT
* hex-mm: add hex-common header
* hex-mm: pass correct number of tasks to workpool
* hex-mm: add proper checks for no-work in dyn.quant tasks
* hex-mm: convert all quantizers into a macro
* hex-mm: fix hvx-flat fallback to pass all MUL_MAT tests
* hex-mm: vectorize q8_1 quantizer
* hex-mm: improve fused ffn mm stride handling
* hex-mm: consistent use of n_threads and pipeline in kernel_params
* hexagon: minor formatting
* hex-mm: update MUL_MAT_ID kernel_param handling to make sure host/npu are in sync
* hvx-mm: go back to accumulating in fp32 in tiled hvx kernels, more accurate and same perf
* hvx-mm: unroll the loops and remove masking that is not needed for tiled accums
* hmx-mm: optimize activation processing (slit loops, some unrolling, etc)
* hmx-mm: minor optimization for output processing
* hex-mm: consistent use of uint32_t and size_t in mm kernels
* hex-mm: remove legacy restrictions for rows to be multiple of 256
* hexagon: replace sprintf with snprintf
* hex-mm: relax hardcoded nrows checks and rely on VTCM size requirements
* hexagon: minor alignment fix
* hexagon: fix trailing spaces
* hex-mm: relax padding from 256 to 128 (leftovers)
* hex-mm: remove redundant checks for weight align to 128
we always use 2D dma for the weights and align them properly
* hmx-mm: MUL_MAT_ID better work distribution between hvx threads and hmx tracing
* hex-mm: specialize per-token mmid activation handling
* hex-profile: update python scripts to handle kernel-params section in the logging output
* hex-mm: move n_prefetch (aka dma_depth) into kernel params and remove unused fields
* hex-trace: use easier to parse format, simply and fix post-proc scripts
* hmx-mm: relax 32 row limit for output processing which helps utilization
* hmx-mm: use start-chunk idx for tracing info
* hmx-mm: parameterize activation dma pipeline
* hexagon: add support for simple graph caching to avoid recomputing kernel-params
* hex-mm: remove left-over repack functions
* hex-mm: tighten n_prefetch asserts
* hex-mm: remove duplicate round/align_up helper
* hexagon: cleanup common header used in host/npu
* hexagon: update early wakeup threshold
* hmx-mm: define cost constants and update solver to assume that repacked ne[1] is padded to 32
* hmx-mm: make precompute_matmul a bit more readable (split into smaller functions, etc)
* hex-mm: remove n_threads constraint
* hex-mm: minor formatting updates
* hex-mm: remove obsolete profiling logs
* hex-mm: restore hardcode gate to refuse lm-head to avoid repacking that tensor
* snapdragon: update compiler flags to enable all CPU features
* snapdragon: update readme to point to toolchain v0.6
* snapdragon: bump toolchain docker to v0.6
