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| author |   Anton Blanchard <anton@ozlabs.org> | 2020-05-14 21:49:16 +1000 |
|---|---|---|
| committer |   Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2020-05-18 17:08:54 -0500 |
| commit | 765de945efc5d5602999b2999fe8abdf04881370 (patch) | |
| tree | 8c252731dcf3fc61ae700a5dba120c1eafc8f41f /sysdeps/unix/sysv/linux/ntp_gettime.c | |
| parent | x86: Add --enable-cet=permissive (diff) | |
| download | glibc-765de945efc5d5602999b2999fe8abdf04881370.tar.xz glibc-765de945efc5d5602999b2999fe8abdf04881370.zip | |
powerpc: Optimized rawmemchr for POWER9
This version uses vector instructions and is up to 60% faster on medium
matches and up to 90% faster on long matches, compared to the POWER7
version. A few examples:
__rawmemchr_power9 __rawmemchr_power7
Length 32, alignment 0: 2.27566 3.77765
Length 64, alignment 2: 2.46231 3.51064
Length 1024, alignment 0: 17.3059 32.6678
Diffstat (limited to 'sysdeps/unix/sysv/linux/ntp_gettime.c')
0 files changed, 0 insertions, 0 deletions