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DQ→MatMulNBits fusion transformer for NvTensorRtRtx ep #27466

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Merged
tianleiwu merged 8 commits into from
Mar 5, 2026
Merged

DQ→MatMulNBits fusion transformer for NvTensorRtRtx ep #27466

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7e66590
optimizer: fuse WebNN DQ chain back to MatMulNBits for NvTensorRTRTX
anujj Feb 18, 2026
0434a1f
optimizer(webnn): keep DQ->MatMulNBits fusion on phase-1 safe path
anujj Feb 19, 2026
e38ae4f
optimizer(webnn): restore Gemm bias preserving DQ to MatMulNBits fusi…
anujj Feb 19, 2026
e433249
Add SDXL Turbo fusion pattern for QDQ+MatMul -> MatMulNBits fusion
praneshgo Feb 24, 2026
887b625
optimizer(webnn): harden direct DQ->MatMulNBits fusion shape checks
anujj Feb 25, 2026
f98418f
file name changes
anujj Feb 25, 2026
8559bcd
refactor: split DQMatMulNBitsFusion::ApplyImpl into focused helpers
anujj Feb 28, 2026
40207a9
address PR review: config-driven gating, SafeInt, minimal-build guard…
anujj Mar 4, 2026
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3 changes: 2 additions & 1 deletion include/onnxruntime/core/optimizer/graph_transformer_utils.h
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,8 @@ InlinedVector<std::unique_ptr<GraphTransformer>> GenerateTransformers(
const IExecutionProvider& execution_provider /*required by constant folding*/,
const logging::Logger& logger,
const InlinedHashSet<std::string>& rules_and_transformers_to_disable = {},
concurrency::ThreadPool* intra_op_thread_pool = nullptr);
concurrency::ThreadPool* intra_op_thread_pool = nullptr,
bool enable_dq_matmulnbits_fusion = false);

#endif // !defined(ORT_MINIMAL_BUILD)

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