Add NEON optimizations for SynetDeconvolution16bNhwcGemm - #833
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Port the BF16 NHWC GEMM deconvolution path from SSE41 to NEON for ARM/ARM64, wire Init dispatch and tests, and document the change in release 7.2.165. Co-authored-by: Ihar Yermalayeu <ermig1979@gmail.com>
ermig1979
marked this pull request as ready for review
August 10, 2026 08:18
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Summary
Adds ARM/ARM64 NEON optimizations for
SynetDeconvolution16bNhwcGemm, following the existing SSE41 NHWC GEMM structure and NEON BF16 patterns fromSynetInnerProduct16bGemmNN.Changes
SimdNeonSynetDeconvolution16b.cpp/SimdNeonSynetDeconvolution16bNhwcGemm.cppF=4,microM=5,microN=8,microK=2)Neon::SynetDeconvolution16bNhwcGemmand Init inSimdSynetDeconvolution16b.hSIMD_NEON_FUNCintoSimdSynetDeconvolution16bInitTestSynetDeconvolution16bdocs/2026.htmlValidation
./Test "-r=.." -fi=SynetDeconvolution16b -tt=1 -ts=1— all tests finished successfullyaarch64-linux-gnu-g++)