POWER10: Reduce sgemm loop unrolling#5592
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martin-frbg merged 1 commit intoOpenMathLib:developfrom Jan 5, 2026
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With GCC 14, unnecessary move and lxvp instructions appear when unrolling the inner loop for larger sizes. Reducing the loop unroll factor restores performance to GCC 11.
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With GCC 14, unnecessary move and lxvp instructions appear when unrolling the inner loop for larger sizes. Reducing the loop unroll factor restores performance to GCC 11.
Co-authored-by: Jose Moreira
Tested by: Amrita H S amritahs@linux.vnet.ibm.com