[Webkit-unassigned] [Bug 69717] Fix value profiling in 32_64 JIT

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=69717





--- Comment #4 from Yuqiang Xian <yuqiang.xian at intel.com>  2011-10-09 02:06:10 PST ---
Performance result on Linux IA32 with DFG JIT turned on. Only part of the kraken result is available. There are still some issues with v8 benchmarks.

TEST                     COMPARISON            FROM (ToT)                 TO (Mod)        DETAILS

=============================================================================

** TOTAL **:             1.47x as fast     10246.2ms +/- 0.3%   6970.3ms +/- 0.1%     significant

=============================================================================

  ai:                    2.88x as fast      2270.8ms +/- 0.3%    789.7ms +/- 0.1%     significant
    astar:               2.88x as fast      2270.8ms +/- 0.3%    789.7ms +/- 0.1%     significant

  audio:                 1.071x as fast     2427.6ms +/- 0.6%   2266.4ms +/- 0.2%     significant
    beat-detection:      1.116x as fast      728.1ms +/- 0.5%    652.5ms +/- 0.5%     significant
    dft:                 1.081x as fast      602.8ms +/- 0.8%    557.6ms +/- 0.3%     significant
    fft:                 1.164x as fast      552.6ms +/- 0.5%    474.6ms +/- 0.1%     significant
    oscillator:          *1.069x as slow*    544.1ms +/- 0.8%    581.7ms +/- 0.1%     significant

  imaging:               1.49x as fast      4376.0ms +/- 0.5%   2929.3ms +/- 0.1%     significant
    gaussian-blur:       2.21x as fast      2843.7ms +/- 1.2%   1284.9ms +/- 0.1%     significant
    darkroom:            *1.135x as slow*    634.1ms +/- 1.8%    719.5ms +/- 0.6%     significant
    desaturate:          *1.030x as slow*    898.2ms +/- 0.3%    924.9ms +/- 0.2%     significant

  json:                  -                   215.1ms +/- 0.4%    214.8ms +/- 0.5%
    parse-financial:     1.021x as fast       98.5ms +/- 0.4%     96.5ms +/- 0.5%     significant
    stringify-tinderbox: *1.015x as slow*    116.6ms +/- 0.5%    118.3ms +/- 0.7%     significant

  stanford:              1.24x as fast       956.7ms +/- 0.4%    770.1ms +/- 0.3%     significant
    crypto-aes:          1.105x as fast      189.7ms +/- 1.3%    171.6ms +/- 1.2%     significant
    crypto-pbkdf2:       1.28x as fast       767.0ms +/- 0.4%    598.5ms +/- 0.1%     significant

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