[Webkit-unassigned] [Bug 20180] Matching :nth-child selectors is slow

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Sep 11 13:12:00 PDT 2008


https://bugs.webkit.org/show_bug.cgi?id=20180


catfish.man at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Firefox is faster than      |Matching :nth-child
                   |webkit on :nth-child tests  |selectors is slow
                   |on SlickSpeed               |




------- Comment #8 from catfish.man at gmail.com  2008-09-11 13:12 PDT -------
Bug title changed; I wasn't thinking in terms of it going on a changelog when I
filed it ;)

privateRenderStyle() is definitely a lame name for it. mitzpettel and I have
been tossing ideas back and forth on #webkit but hadn't come up with anything
we liked. nonRendererRenderStyle() is... sorta awful, but at least it describes
what it does.

The separate header is there to avoid a circular dependency problem. I'm really
not sure how to improve that :/

I'll make the other changes before I commit. Sadly even the combination of
these patches doesn't make us faster than Gecko :/ they're still 25-27ms to
WebKit's 34-35.


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