Add and use vectorized packing in ZVL128B and ZVL256B for RISCV#5422
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martin-frbg merged 2 commits intoOpenMathLib:developfrom Aug 16, 2025
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…er than generic scalar functions.
ChipKerchner
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Not quite sure why the one test is timing out but I don't think it's related to these changes. |
ChipKerchner
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Investigating performance for DGEMM. |
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Only use for SGEMM, since DGEMM shows a slowdown. Overall, I'm seeing a 5-9% improvement on SGEMM. |
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Add and use vectorized packing in ZVL128B and ZVL256B for RISCV. Up to 3x faster than generic scalar functions
Example: Size = 127 x 127
gemm_ncopy_16_rvv - 1.6x faster
gemm_tcopy_16_rvv - 1.5x faster
gemm_ncopy_8_rvv - 1.4x faster
gemm_tcopy_8_rvv - 1.4x faster
gemm_ncopy_4_rvv - 1.1x faster
gemm_tcopy_4_rvv - 1.2x faster