[Webkit-unassigned] [Bug 102860] 8% regression in dromaeo_domcoremodify/dom_modify_createElement

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=102860





--- Comment #4 from Kentaro Hara <haraken at chromium.org>  2012-11-20 20:19:23 PST ---
> http://trac.webkit.org/changeset/134569/ seems most likely.

That's possible. That patch changed GC behavior significantly. Dromaeo/dom-modify will be affected by the change.

Although I've confirmed a lot of times that the patch doesn't change the total performance of Dromaeo/dom-modify, I've not checked performances for each test in Dromaeo/dom-modify.

What looks strange to me is that it regresses performance of createElement but it improves performance of createTextNode. From the perspective of GC, I don't see any difference between createElement and createTextNode.

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