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16-Jun-2014 |
mtklein <mtklein@chromium.org> |
Refine bench_record and bench_playback:
- use high-precision wall timer only
- warm caches once before measuring
- measure independent samples, calculating statistics
- add --verbose to control how much data we output
Also removed some unloved features from bench_record.
BUG=skia:
R=jcgregorio@google.com, mtklein@google.com
Author: mtklein@chromium.org
Review URL: https://codereview.chromium.org/338203002
/external/skia/tools/Stats.h
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