[Webkit-unassigned] [Bug 79781] Web Inspector: weird performance when inspector is open

Fri Mar 2 08:20:49 PST 2012

https://bugs.webkit.org/show_bug.cgi?id=79781

Yury Semikhatsky <yurys at chromium.org> changed:

           What    |Removed                     |Added
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                 CC|                            |loislo at chromium.org,
                   |                            |pfeldman at chromium.org

--- Comment #2 from Yury Semikhatsky <yurys at chromium.org>  2012-03-02 08:20:49 PST ---
There was a problem in how V8 calculates //@ sourceUrl for large scripts(several megabytes). When capturing callstack e.g. for console messages we repeat this operation for each callframe which may be noticeably slow. We fixed that in V8 by caching search result: https://code.google.com/p/v8/source/detail?r=10902 this may need to be done for JSC as well.

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