[Webkit-unassigned] [Bug 144617] New: Large array shouldn't be slow

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=144617

            Bug ID: 144617
           Summary: Large array shouldn't be slow
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fpizlo at apple.com

Currently if you allocate a large array with new Array(large number), you'll get an ArrayStorage array, which is slower than a Contiguous array.  That threshold is very low - around 10000. We should dramatically lift the threshold.

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