[Webkit-unassigned] [Bug 71801] Benchmark using higher-precision timers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=71801


Maciej Stachowiak <mjs at apple.com> changed:

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--- Comment #26 from Maciej Stachowiak <mjs at apple.com>  2012-02-29 12:20:59 PST ---
(From update of attachment 116053)
We sometimes use command-line SunSpider to compare to other JS engines. So making a JSC-specific change that materially alters the timings would be unfortunate. It's great that it is better precision, but it shows a ~9% hit that does not affect the other engines. Also, as written, it has no fallback path.

Therefore, I suggest making the new, more precise timing an optional mode explicitly invoked by a command-line argument to the script. This would allow the option of more precise measurements without losing the cross-engine comparison features of the old mode.

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