[Webkit-unassigned] [Bug 73853] New: Inserting nodes is slow due to Node::notifyNodeListsAttributeChanged (20%+)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=73853

           Summary: Inserting nodes is slow due to
                    Node::notifyNodeListsAttributeChanged (20%+)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: darin at apple.com, sam at webkit.org, koivisto at iki.fi,
                    ojan at chromium.org, arv at chromium.org


I've done more profiling on Shark, and it appears that we're spending 20%+ of the time inside Node::notifyNodeListsAttributeChanged.

We should use some heuristics to speed up common cases.

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