[Webkit-unassigned] [Bug 172439] Figure out why Firefox's score goes up by 40% on Speedometer 2 compared to 1

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Aug 18 20:29:32 PDT 2017


Ryosuke Niwa <rniwa at webkit.org> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #19 from Ryosuke Niwa <rniwa at webkit.org> ---
I've done the same experiment of running Speedometer 1 and Speedometer 2 on Safari 7.0.6, and I'm seeing ~44% progression from Speedometer 1 to Speedometer 2 for the total time of subtests excluding Angular, which no longer runs on Safari 7.0.6 due to the lack of support of Promise.

This confirms my hypothesis that the relatively smaller speedups in Chrome and Safari compared to Firefox comes from the fact Chrome and Safari have been optimized for Speedometer content in the last three years.

Closing this bug given the observation.

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