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Evaluate faster _mm_pow_ss and _mm_exp_ss #134

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p0nce opened this issue Aug 8, 2023 · 0 comments
Open

Evaluate faster _mm_pow_ss and _mm_exp_ss #134

p0nce opened this issue Aug 8, 2023 · 0 comments

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@p0nce
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p0nce commented Aug 8, 2023 •
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Using vector instruction like that may well pessimize the performance. Try to get positive benchmark results out of a fully scalar path. Agner Fog's tables sometime show a lower cost of the scalar instructions.
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