[Webkit-unassigned] [Bug 100037] New: PerformanceTests/runner.js should limit output precision in relation to the stddev

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=100037

           Summary: PerformanceTests/runner.js should limit output
                    precision in relation to the stddev
           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: eric at webkit.org
                CC: rniwa at webkit.org


PerformanceTests/runner.js should limit output precision in relation to the stddev

e.g.

avg 95.18194456386033 runs/s
median 95.1814733027575 runs/s
stdev 0.22485624887911804 runs/s
min 94.7867298578199 runs/s
max 95.4653937947494 runs/s

It seems silly to output to 15 digits when the stddev says at best 4 of those are useful.

Maybe keying off the stddev is incorrect and we should just output only 4 digits anyway?

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