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Fix CUDA 12 build errors with 4bit matmul#29582

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skottmckay/Cuda12_4bit_matmul_build_fix
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Fix CUDA 12 build errors with 4bit matmul#29582
skottmckay wants to merge 1 commit into
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skottmckay/Cuda12_4bit_matmul_build_fix

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2026-07-06T11:49:20.6127136Z N:_work\1\s\onnxruntime\contrib_ops\cuda\quantization\matmul_4bits.cu(692): error : incomplete type "onnxruntime::contrib::cuda::Acc2" (aka "onnxruntime::contrib::cuda::Acc2<__half>") is not allowed [N:_work\1\b\Release\onnxruntime_providers_cuda.vcxproj]

AI generated fix. TBD if correct.

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@skottmckay skottmckay requested a review from jambayk July 7, 2026 00:02
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#29580

@skottmckay skottmckay closed this Jul 7, 2026
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