[Webkit-unassigned] [Bug 98586] Extend random precision to 53bits

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=98586





--- Comment #13 from Yusuke Suzuki <utatane.tea at gmail.com>  2012-10-07 12:41:13 PST ---
(In reply to comment #12)
> Those are fairly giant error margins, can you run with --runs 30 and make sure you aren't doing anything else at all while running? (Have all other applications closed, etc) 

Sure. I closed all other applications and ran SunSpider with --runs=30.
JSC is compiled as Release.

Before applying patch
============================================
RESULTS (means and 95% confidence intervals)
--------------------------------------------
Total:                 132.7ms +/- 0.3%
--------------------------------------------

  3d:                   24.0ms +/- 0.0%
    cube:                8.0ms +/- 0.0%
    morph:               6.0ms +/- 0.0%
    raytrace:           10.0ms +/- 0.0%

  access:               10.8ms +/- 2.1%
    binary-trees:        1.1ms +/- 11.4%
    fannkuch:            5.0ms +/- 1.4%
    nbody:               2.6ms +/- 7.3%
    nsieve:              2.1ms +/- 4.6%

  bitops:                6.5ms +/- 3.3%
    3bit-bits-in-byte:   1.0ms +/- 0.0%
    bits-in-byte:        2.0ms +/- 0.0%
    bitwise-and:         1.0ms +/- 6.6%
    nsieve-bits:         2.4ms +/- 7.8%

  controlflow:           1.0ms +/- 0.0%
    recursive:           1.0ms +/- 0.0%

  crypto:               11.2ms +/- 1.3%
    aes:                 7.0ms +/- 0.0%
    md5:                 2.2ms +/- 6.5%
    sha1:                2.0ms +/- 0.0%

  date:                 18.5ms +/- 1.0%
    format-tofte:       10.0ms +/- 0.0%
    format-xparb:        8.5ms +/- 2.2%

  math:                 10.8ms +/- 1.4%
    cordic:              2.8ms +/- 5.4%
    partial-sums:        6.0ms +/- 0.0%
    spectral-norm:       2.0ms +/- 0.0%

  regexp:                8.0ms +/- 0.0%
    dna:                 8.0ms +/- 0.0%

  string:               42.0ms +/- 0.0%
    base64:              4.0ms +/- 0.0%
    fasta:               5.0ms +/- 0.0%
    tagcloud:           10.0ms +/- 0.0%
    unpack-code:        18.0ms +/- 0.0%
    validate-input:      5.0ms +/- 0.0%


After applying patch
============================================
RESULTS (means and 95% confidence intervals)
--------------------------------------------
Total:                 133.0ms +/- 0.4%
--------------------------------------------

  3d:                   23.9ms +/- 0.4%
    cube:                8.0ms +/- 0.0%
    morph:               6.0ms +/- 1.1%
    raytrace:           10.0ms +/- 0.7%

  access:               10.9ms +/- 2.3%
    binary-trees:        1.0ms +/- 0.0%
    fannkuch:            5.1ms +/- 2.2%
    nbody:               2.6ms +/- 7.2%
    nsieve:              2.2ms +/- 6.5%

  bitops:                6.6ms +/- 3.6%
    3bit-bits-in-byte:   1.0ms +/- 0.0%
    bits-in-byte:        2.0ms +/- 0.0%
    bitwise-and:         1.1ms +/- 8.9%
    nsieve-bits:         2.5ms +/- 7.6%

  controlflow:           1.0ms +/- 0.0%
    recursive:           1.0ms +/- 0.0%

  crypto:               11.3ms +/- 1.6%
    aes:                 7.0ms +/- 0.0%
    md5:                 2.3ms +/- 7.7%
    sha1:                2.0ms +/- 0.0%

  date:                 18.6ms +/- 1.0%
    format-tofte:       10.0ms +/- 0.7%
    format-xparb:        8.5ms +/- 2.2%

  math:                 10.5ms +/- 1.8%
    cordic:              2.5ms +/- 7.5%
    partial-sums:        6.0ms +/- 0.0%
    spectral-norm:       2.0ms +/- 0.0%

  regexp:                8.0ms +/- 0.0%
    dna:                 8.0ms +/- 0.0%

  string:               42.2ms +/- 0.4%
    base64:              4.0ms +/- 0.0%
    fasta:               5.1ms +/- 2.5%
    tagcloud:           10.0ms +/- 0.0%
    unpack-code:        18.1ms +/- 0.5%
    validate-input:      5.0ms +/- 0.0%

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