| commit | c435989f52204703d524f467c830dc363439e532 | |
| author | Wilco Dijkstra <wdijkstr@arm.com> | |
| Mon, 13 Jul 2015 11:38:12 +0000 (13 12:38 +0100) | ||
| committer | Wilco Dijkstra <wdijkstr@arm.com> | |
| Mon, 13 Jul 2015 11:38:12 +0000 (13 12:38 +0100) | ||
| tree | cd0a248d2790e747cd3d0fb103184dd38f295a81 | treesnapshot (tar.gz zip) |
| parent | 70249b57e1e5f8252948fd0ab46773ad20216e23 | commitdiff |
Optimize the strlen implementation by using a page cross check and a fast check
for nul bytes which reverts to separate loop when a non-ASCII char is encountered.
Speedup on test-strlen is ~10%, long ASCII strings are processed ~60% faster,
and on random tests it is ~80% better.
for nul bytes which reverts to separate loop when a non-ASCII char is encountered.
Speedup on test-strlen is ~10%, long ASCII strings are processed ~60% faster,
and on random tests it is ~80% better.
| ChangeLog | diffblobblamehistory | |
| sysdeps/aarch64/strlen.S | diffblobblamehistory |