[webkit-dev] Iterating SunSpider
mjs at apple.com
Sun Jul 5 15:05:41 PDT 2009
On Jul 5, 2009, at 9:58 AM, Joe Mason wrote:
> Maciej Stachowiak wrote:
>> I think the pauses were large in an attempt to get stable,
>> repeatable results, but are probably longer than necessary to
>> achieve this. I agree with you that the artifacts in "balanced"
>> power mode are a problem. Do you know what timer thresholds avoid
>> the effect? I think this would be a reasonable "1.0" kind of change.
> Just a gut feeling, but I suspect the exact throttling algorithm
> would vary too much from machine to machine and OS version to OS
> version to ever find a good threshold to avoid it. The best thing
> to do would be to have the harness turn off CPU throttling when it
> starts. (This is possible from the commandline under Linux, and I
> assume in Mac, but Windows might be a problem.)
The command line harness doesn't pause at all. It's the in-browser
harness is the one we are concerned about. We obviously can't turn off
repeatable cross-browser results with a much smaller delay.
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