[Webkit-unassigned] [Bug 68353] [Qt] Apply ParalellJobs for ImageBuffer::platformTransformColorSpace method

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=68353





--- Comment #16 from Andreas Kling <kling at webkit.org>  2011-10-05 00:54:41 PST ---
(In reply to comment #15)
> Created an attachment (id=109755)
 --> (https://bugs.webkit.org/attachment.cgi?id=109755&action=review) [details]
> [Qt] A test svg to the ImageBuffer::platformTransformColorSpace method
> 
> This is an svg example which could show the performance improvement for the patch.
> A similar result can be measured with the following filters:
> FEBlend, FEColorMatrix, FEComposite, FEDisplacement, FEDropshadow,
> FEGauss, FELightning, FEMerge, FEMorph, FEOffset, FETile...

This svg gives me "Uncaught TypeError: Object [object DOMWindow] has no method 'methanol_next'"

I'm more interested in how you arrived in the 3% number though. 3% total runtime improvement? 3% less time spent in platformTransformColorSpace()? Statistical profiler? Callgrind? Etc :)

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