[Webkit-unassigned] [Bug 20544] New: Sunspider: date-format-tofte has O(n) arrayExists function

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Aug 27 08:22:37 PDT 2008


           Summary: Sunspider: date-format-tofte has O(n) arrayExists
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: norman at rasmussen.co.za

The attached patch removes the arrayExists function and converts switches from
a list to a hash.

The reasoning for this patch has nothing to do with WebKit at all, but the new
Firefox 3.1 JS jit runs approx 180x times _slower_ (than the non-jit code)
without this patch.

With this patch the code runs at mostly the same speed.

So the patch makes the test, actually test the string formatting, and not
strange tight-loops created by non-core array functions.  (The test is meant to
test string formatting, not array.exists functionality)

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