[Webkit-unassigned] [Bug 110786] Performance issues adding large numbers of whitespace text nodes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=110786


Kentaro Hara <haraken at chromium.org> changed:

           What    |Removed                     |Added
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                 CC|                            |eric at webkit.org,
                   |                            |haraken at chromium.org,
                   |                            |morrita at google.com




--- Comment #1 from Kentaro Hara <haraken at chromium.org>  2013-02-25 18:00:23 PST ---
I profiled the benchmark and identified that the culprit is this FIXME: https://code.google.com/codesearch#OAMlx_jo-ck/src/third_party/WebKit/Source/WebCore/dom/Node.cpp&exact_package=chromium&q=node.cpp&type=cs&l=1065

Because an empty text does not have a renderer, we are hitting the O(n^2) case.

I'll take a detailed look and consider how to address the issue.

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