[Webkit-unassigned] [Bug 126970] [ATK] AXChildrenChanged notification handling is a performance black hole

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=126970





--- Comment #1 from Zan Dobersek <zandobersek at gmail.com>  2014-01-14 01:58:53 PST ---
Commenting out that code block reduces the time of load from 60 seconds down to 15 seconds.

The ref-deref cycle is fired more than a million times during the load, and AccessibilityObject::updateBackingStore() is called twice per cycle, causing additional work that hinders the performance.

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