[Webkit-unassigned] [Bug 80579] New: DFG instruction count threshold should be lifted to 10000

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Mar 8 01:05:44 PST 2012


           Summary: DFG instruction count threshold should be lifted to
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: fpizlo at apple.com

This will increase coverage, help catch bugs, and help to find new performance optimization opportunities.

Currently doing so is neutral except in V8 run using the SunSpider harness, because of a slow-down in raytrace.  This appears to just be because of increase compilation time, with raytrace then running for such a short time that it never benefits from the optimized code.  We should explore ways of mitigating such slow-downs, but given that this change is neutral for V8 in the V8 harness it's not a huge priority.

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