[Webkit-unassigned] [Bug 71801] Benchmark using higher-precision timers
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bugzilla-daemon at webkit.org
Wed Nov 9 12:40:12 PST 2011
https://bugs.webkit.org/show_bug.cgi?id=71801
--- Comment #6 from Filip Pizlo <fpizlo at apple.com> 2011-11-09 12:40:12 PST ---
(In reply to comment #2)
> Compared to before, where these routines measured integral milliseconds, this looks to be a huge lose. However it is more accurate.
>
> TEST COMPARISON FROM TO DETAILS
>
> =============================================================================
>
> ** TOTAL **: *1.087x as slow* 162.2ms +/- 1.0% 176.2ms +/- 1.0% significant
I'd be fine with this patch except for this giant slow-down. If you want this functionality, you should probably investigate what happened here.
Tools/Scripts/bencher uses our internal preciseTime() function, which returns an untruncated time. So if you want more precise results, you could just use that.
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