[Webkit-unassigned] [Bug 18865] New: SquirrelFish: Potential perf issue in Array.join/toString

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat May 3 00:42:25 PDT 2008


           Summary: SquirrelFish: Potential perf issue in
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: SquirrelFish
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: oliver at apple.com
                CC: mjs at apple.com, ggaren at apple.com, cwzwarich at uwaterloo.ca

Due to the way we handle toString and valueOf when Array.toString()/join() (and
other similar native toString impls) we will repeatedly push and pop
registerfiles for each native toString call even though it's not necessary (say
in the case of calling join() or an explicit call to Array.toString() )

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