[Webkit-unassigned] [Bug 142957] New: EdenCollections can spend ~8% of the MarkRoots phase clearing CodeBlock mark bits

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=142957

            Bug ID: 142957
           Summary: EdenCollections can spend ~8% of the MarkRoots phase
                    clearing CodeBlock mark bits
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mhahnenb at gmail.com

Discovered while fixing bug 142950. See attached graph. We should probably be able to do better.

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