[Webkit-unassigned] [Bug 13351] O(N^2) behavior seen when parsing, rendering, and destroying nested tags

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Apr 14 16:35:15 PDT 2007


------- Comment #1 from ggaren at apple.com  2007-04-14 16:35 PDT -------
Created an attachment (id=14034)
 --> (http://bugs.webkit.org/attachment.cgi?id=14034&action=view)
nesting tests

Attached the tests I wrote, along with results. 

Basic summary:
not nested (span): 5ms
nested (span): 99ms
nested (div): 212ms
nested (div span): 38338ms

The div/span pair is particularly slow because mixing inline and block children
forces the render tree into contortions.

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