[Webkit-unassigned] [Bug 106127] [meta] HTML parser shouldn't block the main thread

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jan 9 16:03:46 PST 2013


--- Comment #11 from Adam Barth <abarth at webkit.org>  2013-01-09 16:05:38 PST ---
Created an attachment (id=182002)
 --> (https://bugs.webkit.org/attachment.cgi?id=182002&action=review)
HTML parser runtime (measured on chromium-android on a Nexus 7 via inspector instrumentation)

Here's are the results from the chromium-android port on a Nexus 7 (using a content_shell build from this afternoon).  The parser takes up more time on the main thread.  For example, on games.yahoo.com the HTML parser takes up 1.2 seconds.  On average, the HTML parser takes 486 ms of main thread time.

The "max" times are also considerably worse on the Nexus 7.  The average "max" value is about 10 frames (60 Hz time slices), with the worse case being 38 frames.

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