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-remove class AmxBf16::SynetQuantizedConvolutionNhwcSpecV0. - #1034

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ermig1979 merged 1 commit into
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cursor/remove-amxbf16-nhwc-spec-v0-58c0
Sep 29, 2026
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ermig1979 merged 1 commit into
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cursor/remove-amxbf16-nhwc-spec-v0-58c0

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Removes unused AmxBf16::SynetQuantizedConvolutionNhwcSpecV0.

AmxBf16::SynetQuantizedConvolutionInit no longer selects this path. The AVX-512VNNI implementation stays, and AMX-BF16 falls back to Avx512vnni::SynetQuantizedConvolutionNhwcSpecV0 for the same shapes. Other quantized convolution implementations (GemmV1, SpecV1, NCHW Gemm, and the SSE4.1 through SVE2 SpecV0 classes) are unchanged.

Changes

  • Delete src/Simd/SimdAmxBf16SynetQuantizedConvolutionNhwcSpecV0.cpp.
  • Drop the class declaration from src/Simd/SimdSynetQuantizedConvolution.h.
  • Remove the SpecV0 branch from AmxBf16::SynetQuantizedConvolutionInit.
  • Remove the source from prj/vs2022/AmxBf16.vcxproj and prj/vs2022/AmxBf16.vcxproj.filters.
  • Record the removal in the 7.2.166 section of docs/2026.html.
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SynetQuantizedConvolutionInit no longer selects this path. NHWC quantized convolutions that used it fall back to Avx512vnni::SynetQuantizedConvolutionNhwcSpecV0.

Co-authored-by: igor.ermolaev <igor.ermolaev@altezza.org>
@ermig1979
ermig1979 marked this pull request as ready for review September 29, 2026 15:19
@ermig1979
ermig1979 merged commit ce9de5e into dev Sep 29, 2026
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@ermig1979
ermig1979 deleted the cursor/remove-amxbf16-nhwc-spec-v0-58c0 branch September 30, 2026 12:32
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