RESOLVED WORKSFORME54570
Webkit hangs infinitely on lots of table rows (firefox is fine) 
https://bugs.webkit.org/show_bug.cgi?id=54570
Summary Webkit hangs infinitely on lots of table rows (firefox is fine)
Silvio
Reported 2011-02-16 10:43:20 PST
Go to the page, wait a bit and behold webkit hanging almost forever. Instruments show HTMLTableRowsCollection::rowAfter as the function being called 78.5% of time, with the following tree of symbols shown: 78.5% WebCore::HTMLTableRowsCollection::rowAfter(..) 71.7% WebCore::HTMLCollection::calcLength() 71.7% WebCore::HTMLCollection::length() splits into two: 38.7% WebCore::jsHTMLCollectionLength() 38.7% JSC::JSValue::get(..) and: 33.0% WebCore::JSHTMLCollection::getOwnPropertySlot(..) 32.9% cti_op_get_by_val Firefox 4beta9+ doesn't hang, taking about 20 seconds to render the page and takes 0% CPU time.
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Andreas Kling
Comment 1 2011-12-20 17:51:29 PST
I instrumented the page now and we spend a total of 7ms below HTMLCollection::length(), so it appears this issue has been resolved. :) Feel free to reopen the bug if you're still seeing the problem.
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