[Webkit-unassigned] [Bug 100873] REGRESSION (r132941): attribute modification 10% performance regression

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=100873





--- Comment #8 from Antti Koivisto <koivisto at iki.fi>  2012-11-01 11:45:05 PST ---
(In reply to comment #7)
> Not sure it matters, but we currently only do this if (!needsStyleRecalc()). Maybe testShouldInvalidateStyle should also && !needsStyleRecalc()? Obviously the same would apply in Element::classAttributeChanged. Saves a hashtable lookup. Not sure it matters in practice.

styleChangeType() < FullStyleChange is the equivalent test (more correct in fact).

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