[Webkit-unassigned] [Bug 98913] Change transformation precision from double to float

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=98913





--- Comment #14 from Simon Fraser (smfr) <simon.fraser at apple.com>  2012-10-15 10:16:01 PST ---
(In reply to comment #12)
> Created an attachment (id=168725)
 --> (https://bugs.webkit.org/attachment.cgi?id=168725&action=review) [details]
> transform.html
> 
> Performance test for transformations.

Profiling this shows that it spends 12% of its time in cssText(), and about 1.5% in TransformationMatrix::multiply(), on desktop at least. So multiply() is far from being the bottleneck. dtoa() takes more time.

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