[Webkit-unassigned] [Bug 118573] Optimize the thread locks for API Shims

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=118573





--- Comment #13 from Yi Shen <max.hong.shen at gmail.com>  2013-07-23 17:14:01 PST ---
The added test code is porting from JSTweener by using JSC APIs (WebKit2 injected bundle). http://coderepos.org/share/wiki/JSTweener

The test is a rendering heavy page, so the PFS changes for tuning on/off thread lock may not be 'significant' - the average fps was increased from ~31 to ~34 on my machine after applied my patch. (I was hoping I can add a JS property accessing heavy page, but which turns out it needs a lot more work) In addition, I have run this test on my Mac for hundreds times, and no thread crash observed.

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