[Webkit-unassigned] [Bug 8740] REGRESSION: benchjs test 1 has slowed by over 150%

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Feb 7 15:49:45 PST 2007


http://bugs.webkit.org/show_bug.cgi?id=8740


jon at jonshier.com changed:

           What    |Removed                     |Added
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           Keywords|BugDayReviewed              |




------- Comment #16 from jon at jonshier.com  2007-02-07 15:49 PDT -------
http://www.jonshier.com/8740TraceWithBar.zip

Above is a link to a trace of ToT running the count test with the status bar
visible and the number of iterations set to 10000 instead of 1000. From my
brief analysis it looks like WebChromeClient::setStatusBarText is being called
twice. Once by KJS::Window::put and once by WebCore::Chrome:setStatusBarText.
Both of those together seem to take about 29% of work. I'm going to test again
with the status bar hidden and see what that shows.

Here are the results (averaged over 3 runs) for my expanded test (to be posted
later once I get it fully reduced).

2.0.4/419.3 with status bar: 7.09s
2.0.4/419.3 without status bar: 6.81s
2.0.4/ToT with status bar: 33.38s
2.0.4/ToT without status bar: 16.78s

Quad G5, 1GB RAM, 10.4.8


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