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Nonoptimal CmpLt #156

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Melirius opened this issue May 29, 2024 · 1 comment
Open

Nonoptimal CmpLt #156

Melirius opened this issue May 29, 2024 · 1 comment

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@Melirius
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Melirius commented May 29, 2024 •
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wide/src/i32x8_.rs

Line 275 in 729877b

Self { avx2: !cmp_gt_mask_i32_m256i(self.avx2, rhs.avx2) ^ cmp_eq_mask_i32_m256i(self.avx2,rhs.avx2) }

Much faster will be just reverse CmpGt

        Self { avx2: cmp_gt_mask_i32_m256i(rhs.avx2, self.avx2) }
@Melirius Melirius changed the title Nonoptimal CmpLt Nonoptimal CmpLt May 29, 2024
@Lokathor
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That does look better.

Well do the PR and I can probably get it published pretty quick.

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@Lokathor @Melirius