[Webkit-unassigned] [Bug 77506] New: run-perf-tests should restart DRT for each test

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77506

           Summary: run-perf-tests should restart DRT for each test
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
            Blocks: 77037


It appears that using the same DumpRenderTree instance for multiple performance tests influence the results.

For example, enabling DOM/DOMTable.html in http://trac.webkit.org/changeset/106409/ resulted in 15% run-time for DOM/GridSort:
http://webkit-perf.appspot.com/graph.html?#tests=[[9106,2001,3001]]&sel=1328051227590.1023,1328054799243.6458&displayrange=7&datatype=running

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