| commit | 9314d3545e6641063b490918e2e8716556ba20db | |
| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | |
| Tue, 27 Dec 2016 19:48:37 +0000 (27 17:48 -0200) | ||
| committer | Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com> | |
| Wed, 28 Dec 2016 13:44:31 +0000 (28 11:44 -0200) | ||
| tree | cc3d6518db2c0a86db8dcbb22ee44e789a0a9920 | treesnapshot (tar.gz zip) |
| parent | ffcf0f1cb77dd0d902495fd066a96784f76f2c3a | commitdiff |
powerpc64: strchr/strchrnul optimization for power8
The P7 code is used for <=32B strings and for > 32B vectorized loops are used.
This shows as an average 25% improvement depending on the position of search
character. The performance is same for shorter strings.
Tested on ppc64 and ppc64le.
The P7 code is used for <=32B strings and for > 32B vectorized loops are used.
This shows as an average 25% improvement depending on the position of search
character. The performance is same for shorter strings.
Tested on ppc64 and ppc64le.