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| author | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-04-21 20:52:29 -0500 |
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| committer | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-04-22 23:08:40 -0500 |
| commit | df7e295d18ffa34f629578c0017a9881af7620f6 (patch) | |
| tree | 4bedc359133e7d202730a2f67b9713d45775feb0 /benchtests/bench-memccpy.c | |
| parent | 5307aa9c1800f36a64c183c091c9af392c1fa75c (diff) | |
| download | glibc-df7e295d18ffa34f629578c0017a9881af7620f6.tar.gz glibc-df7e295d18ffa34f629578c0017a9881af7620f6.tar.xz glibc-df7e295d18ffa34f629578c0017a9881af7620f6.zip | |
x86: Optimize {str|wcs}rchr-avx2
The new code unrolls the main loop slightly without adding too much overhead and minimizes the comparisons for the search CHAR. Geometric Mean of all benchmarks New / Old: 0.832 See email for all results. Full xcheck passes on x86_64 with and without multiarch enabled. Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'benchtests/bench-memccpy.c')
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