[Webkit-unassigned] [Bug 16708] CSS: Slow parsing of rgb() with percent values

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=16708


Andreas Kling <andreas.kling at nokia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Safari renders 3d canvas    |CSS: Slow parsing of rgb()
                   |demo too slowly             |with percent values
           Platform|Macintosh                   |All
         OS/Version|Mac OS X 10.4               |All
           Keywords|                            |Performance
          Component|New Bugs                    |CSS
                 CC|                            |andreas.kling at nokia.com




--- Comment #6 from Andreas Kling <andreas.kling at nokia.com>  2010-08-18 23:32:54 PST ---
The bottleneck here is CSSParser::parseColor()'s handling of rgb() colors with percent values. There's no fast-path for those so it goes through cssyyparse(). Circa 30% of runtime is spent doing this.

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