| commit | f6b10ed8e9a00de49d0951e760cc2b5288862b47 | |
| author | H.J. Lu <hjl.tools@gmail.com> | |
| Thu, 10 Aug 2023 18:24:30 +0000 (10 11:24 -0700) | ||
| committer | H.J. Lu <hjl.tools@gmail.com> | |
| Fri, 11 Aug 2023 14:49:45 +0000 (11 07:49 -0700) | ||
| tree | 8c3e78a82ce26e9d5d7532c3945e1d5a6daa9814 | treesnapshot (tar.gz zip) |
| parent | 542b1105852568c3ebc712225ae78b8c8ba31a78 | commitdiff |
x86_64: Add log2 with FMA
On Skylake, it improves log2 bench performance by:
Before After Improvement
max 208.779 63.827 69%
min 9.977 6.55 34%
mean 10.366 6.8191 34%
On Skylake, it improves log2 bench performance by:
Before After Improvement
max 208.779 63.827 69%
min 9.977 6.55 34%
mean 10.366 6.8191 34%
| sysdeps/x86_64/fpu/multiarch/Makefile | diffblobblamehistory | |
| sysdeps/x86_64/fpu/multiarch/e_log2-fma.c | [new file with mode: 0644] | blob |
| sysdeps/x86_64/fpu/multiarch/e_log2.c | [new file with mode: 0644] | blob |