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| author | fmeawad@chromium.org <fmeawad@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-08-06 06:21:18 +0000 |
|---|---|---|
| committer | fmeawad@chromium.org <fmeawad@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-08-06 06:21:18 +0000 |
| commit | 3687b2f8321ad2ddfc0dfbf51547fbdcc53491ad (patch) | |
| tree | 4636403132db2c4fccf76cb3737907b4f05335f2 /base/time/default_clock.h | |
| parent | b55d82b903f41d485eb30c37baaa7a516e660fd2 (diff) | |
| download | chromium_src-3687b2f8321ad2ddfc0dfbf51547fbdcc53491ad.zip chromium_src-3687b2f8321ad2ddfc0dfbf51547fbdcc53491ad.tar.gz chromium_src-3687b2f8321ad2ddfc0dfbf51547fbdcc53491ad.tar.bz2 | |
Make QPCValueToMicroseconds faster in case the value is less than 44 bits
If the QPC value is less than 44 bits, it is safe to multiply by a 20 bits
value (1000000) without risking overflow. This optimization reduces the
call time by half.
BUG=158234
Review URL: https://codereview.chromium.org/429743002
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@287704 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/time/default_clock.h')
0 files changed, 0 insertions, 0 deletions