[Webkit-unassigned] [Bug 170389] JetStream bug: some +- deviations are greater than the average
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sun Apr 2 11:12:05 PDT 2017
https://bugs.webkit.org/show_bug.cgi?id=170389
Filip Pizlo <fpizlo at apple.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Filip Pizlo <fpizlo at apple.com> ---
Since these are confidence intervals computed using 3 samples, you can expect some individual scores to have intervals that are larger than the average. To be clear, your complaint would be valid if we were reporting stddev. We're not. We're reporting 95% confints.
Without specific evidence suggesting otherwise, I'm gonna say your machine is just noisy. More likely, Chrome just got super noisy with the ignition/turbofan kerfuffle.
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