Add OpenVINO backend#15307

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wine99 wants to merge 179 commits intoggml-org:masterfrom

ravi9:dev_backend_openvino

Commits on Nov 4, 2025

Add ggml-openvino base files

YangleiZouIntel
authored and
wine99
committed
add openvino as optional backend for Llama.cpp ggml

zhanmyz
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wine99
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* Configure the device(default CPU) that uses OpenVINO to compile the model

zhanmyz
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wine99
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Solve the issue of abnormal model output caused by using OpenVINO ADD operator

zhanmyz
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wine99
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Add OpenVINO MUL operator to GGML of Llama.cpp.

zhanmyz
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wine99
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Add compile options

zhanmyz
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wine99
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add OpenVINO frontend convert process steps

zhanmyz
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wine99
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add get openvino available ops function

zhanmyz
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wine99
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Add PoC of integration of openvino frontend. Main changes: ggml-ov-frontend-utils, GraphIterator, Decoder

yumengbo
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wine99
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Implement GgmlOvDecoder. Add dump functions.

yumengbo
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wine99
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Convert subgraph with add, sub, mul, div op to ov model and do infer on openvino device

yumengbo
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wine99
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Add GGML_OV_FRONTEND option. Add readme.

yumengbo
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wine99
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Change output for infer request to set output tensor. Support scale, view op.

yumengbo
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wine99
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add GET_ROWS operator of OpenVINO to GGML of llama.cpp

zhanmyz
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wine99
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Update build.md and add operation mapping(GGML to OpenVINO)

zhanmyz
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wine99
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add the rms_norm operator implemented using OpenVINO to the GGML backend of llama.cpp

zhanmyz
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wine99
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Fix issue for output memory copy of infer request

yumengbo
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wine99
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Change to implementation following pytorch frontend

yumengbo
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wine99
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Add support for UNARY SILU op . Fix pytorch impl bugs.

yumengbo
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wine99
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Support Softmax op

yumengbo
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wine99
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Support Softmax op

yumengbo
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wine99
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Support ROPE op.

yumengbo
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wine99
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Add support for RMS_NORM OP

zhanmyz
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wine99
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Add MUL_MAT,CPY,CONT as operators implemented in OpenVINO for GGML backend

zhanmyz
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wine99
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Move CPY from GGML OV Backend to OV Frontend

zhanmyz
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wine99
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add implementation of MUL_MAT, CPY, CONT of GGML ops using OV ops

zhanmyz
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wine99
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add implementation of CPY when the output tensor is non-contiguous

zhanmyz
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wine99
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add tmp source code files

zhanmyz
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wine99
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Execute singel CONT operator is OK

zhanmyz
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wine99
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Execute CONT & VIEW operators in OV Frontend is OK

zhanmyz
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wine99
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OV Frontend supports GET_ROWS/RMS_NORM/MUL/MUL_MAT graph conversion of consecutive OPs

zhanmyz
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wine99
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OV Frontend supports GET_ROWS/RMS_NORM/MUL/MUL_MAT/ROPE/SCALE/SOFTMAX/ADD adjacent op graph conversion

zhanmyz
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wine99
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Change the input parameter shape of CONT operator

zhanmyz
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wine99
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Change the input and ouput node shape of MUL_MAT operator

zhanmyz
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wine99
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Change the input and ouput node shape of MUL_MAT operator

zhanmyz
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wine99
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change CONT and MULMAT input node shape

zhanmyz
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wine99
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All adjacent ops can conversion but calculation result is wrong and need debugging

zhanmyz
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wine99
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1. All operators implemented using OpenVINO can be successfully executed individually.

zhanmyz
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wine99
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1. Update the implementation of CPY node when it's non-contiguous

zhanmyz
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wine99
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Minor Update

zhanmyz
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wine99
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Try to add VIEW node to OV Frontend and have some issues that need to be dealt with

zhanmyz
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wine99
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1. In the Prompt process and predict first token stage, the PERMUTE node needs to be integrated into the OV Frontend

zhanmyz
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wine99
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add debug info

zhanmyz
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wine99
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Process Prompt and predict first token is OK

zhanmyz
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wine99
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1. Solve the AC issue of Permute+VIEW and MULMAL issue in the phase of “1. Process Prompt and predict the first token”.

zhanmyz
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wine99
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1. Delete some comments

zhanmyz
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wine99
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* Use find_package in CMake to configure OpenVINO
wine99
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change op mappings to list in openvino_supports_op
wine99
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2nd+ token correct by fix CPY in OV, remove single op backend compute code
wine99
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Arbitrary token len (>32) work; Fix bug in mulmat
wine99
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FEAT: do PERMUTE eagerly
wine99
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FEAT: Add interleaved mode for ROPE
wine99
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REFACTOR: support weigts as constant
wine99
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STYLE: minor refactor
wine99
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PERF: share const nodes for weights for diff infer
wine99
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BUILD: update build doc, add cmake preset, add CACHE_DIR env var
wine99
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FEAT: improve debug capability
wine99
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PERF: compile once (dynamic graph + cache)
wine99
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Rebase - Bring up to date and fix build process

virajwad
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wine99
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fix build error
wine99
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FIX: backend buffer type issue
wine99
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STYLE: clang-format
wine99
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FEAT: Add all conversion code from ov side
wine99
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PERF: favor low precision matmul
wine99
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STYLE and minor REFACTOR
wine99
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FIX: Re-add tensor names in cgraph, Add another case for RESHAPE
wine99
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FIX: input shape of KQ_mask
wine99
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PERF: add weight constant in parallel
wine99
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FIX: set_max_token_len
wine99
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PERF: use Slice+Concat in writing cache_v
wine99
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Update build doc
wine99
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Add cgraph tensor output name to OV op name
wine99
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Update openvino build instructions

ravi9
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wine99
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Add initial NPU support
wine99
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draft NPU support version 2: prefill + kvcache
wine99
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NPU support version 2: prefill + kvcache
wine99
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Change due to ggml cgraph changes, not correct yet
wine99
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Change due to ggml cgraph changes, llama-3.2 CPU work
wine99
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Add AMD64 to CMakeLists
wine99
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Change due to ggml cgraph changes, all device work
wine99
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Refactor: clean, fix warning
wine99
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Update clang-format
wine99
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Statful transformation for CPU GPU
wine99
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Add SwiGLU
wine99
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Fuse to SDPA
wine99
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Replace Concat with Broadcast in MulMat for GQA
wine99
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Pull out indices creation for kv cache update
wine99
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Refactor: remove past_token_len from extra_inputs
wine99
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Fix Phi3 SwiGLU and SoftMax
wine99
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Pull out sin cos from rope
wine99
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Reduce memory: free ov weights node after graph conversion
wine99
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Fix CPY due to cgraph change
wine99
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Added OpenVINO CI/CD. Updated docs

ravi9
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wine99
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Fix llama-cli
wine99
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Fix Phi3 ROPE; Add test-backend-ops
wine99
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Fix NPU
wine99
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Fix llama-bench; Clang-format
wine99
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Fix llama-perplexity
wine99
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temp. changes for mark decomp

cavusmustafa
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wine99
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matmul in fp32
wine99
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mulmat input conversion fix

cavusmustafa
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wine99
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mulmat type conversion update

cavusmustafa
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wine99
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add mark decomp pass

cavusmustafa
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wine99
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Revert changes in fuse_to_sdpa
wine99
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Update build.md

ravi9
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wine99
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Fix test-backend-ops
wine99
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Skip test-thread-safety; Run ctest only in ci/run.sh
wine99
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Use CiD for NPU
wine99
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Optimize tensor conversion, improve TTFT
wine99
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Support op SET_ROWS
wine99
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Fix NPU
wine99
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Remove CPY
wine99
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Fix test-backend-ops
wine99
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Minor updates for raising PR
wine99
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Perf: RMS fused to OV internal RMS op
wine99
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Fix after rebasing
wine99
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Change openvino device_type to GPU; Enable flash_attn
wine99
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Update supports_buft and supports_op for quantized models
wine99
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Add quant weight conversion functions from genai gguf reader
wine99
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Quant models run with accuracy issue
wine99
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Fix accuracy: disable cpu_repack
wine99
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Fix CI; Disable test-backend-ops
wine99
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Fix Q4_1
wine99
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Fix test-thread-safety
wine99
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Fix test-backend-ops: Treat quantized tensors as weights
wine99
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Add NPU Q4_0 support
wine99
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NPU perf: eliminate zp
wine99
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Dequantize q4_1 q4_k q6_k for NPU
wine99
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Add custom quant type: q8_1_c, q4_0_128
wine99
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Set m_is_static=false as default in decoder
wine99
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Simpilfy translation of get_rows
wine99
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Fix after rebasing
wine99
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Improve debug util; Eliminate nop ReshapeReshape
wine99
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STYLE: make get_types_to_requant a function
wine99
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Support BF16 model
wine99
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Fix NPU compile
wine99
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WA for npu 1st token acc issue
wine99
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Apply EliminateZP only for npu
wine99
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Add GeGLU
wine99
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Fix Hunyuan
wine99
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Support iSWA
wine99
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Fix NPU accuracy
wine99
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Fix ROPE accuracy when freq_scale != 1
wine99
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Minor: not add attention_size_swa for non-swa model
wine99
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Minor refactor
wine99
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Add Q5_K to support phi-3-q4_k_m
wine99
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Requantize Q6_K (gs16) to gs32 on GPU
wine99
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Fix after rebasing
wine99
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Always apply Eliminate_ZP to fix GPU compile issue on some platforms
wine99
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kvcachefusion support

cavusmustafa
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wine99
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env variable GGML_OPENVINO_DISABLE_SDPA_OPTIMIZATION added

cavusmustafa
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wine99
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Fix for Phi3

cavusmustafa
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wine99
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Fix llama-cli (need to run with --no-warmup)
wine99
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Fix add_sliced_mask; Revert mulmat, softmax; Remove input attention_size, iSWA model not working
wine99
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fix after rebasing
wine99
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Fix llama-3-8b and phi3-mini q4_0 NPU
wine99
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Update to OV-2025.3 and CMakeLists.txt

ravi9
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wine99
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Add OV CI cache
wine99
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Apply CISC review and update CI to OV2025.3

ravi9
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wine99
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Update CI to run OV dep install before build

ravi9
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wine99
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Update OV dockerfile to use OV2025.3 and update build docs

ravi9
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wine99
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Style: use switch in supports_ops
wine99
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Style: middle ptr and ref align, omit optional struct keyword
wine99
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NPU Unify PD (#14)
wine99
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Clean placeholders in ggml-openvino.cpp
wine99
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Update .github/workflows/docker.yml

wine99
and
CISC
authored

Commits on Nov 6, 2025

NPU unify PD (handled internally)
wine99
committed

Commits on Nov 26, 2025

Remove the second decoder for node. Moving the function into the model decoder

zhaixuejun1993
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wine99
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Fix error for naive

zhaixuejun1993
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wine99
committed