[Webkit-unassigned] [Bug 72857] Optimize JITArithmetic32_64.cpp:: op_add & op_sub

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=72857


zeng huiqing <huiqing.zeng at intel.com> changed:

           What    |Removed                     |Added
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 Attachment #116030|                            |review?, commit-queue?
               Flag|                            |




--- Comment #1 from zeng huiqing <huiqing.zeng at intel.com>  2011-11-20 22:20:55 PST ---
Created an attachment (id=116030)
 --> (https://bugs.webkit.org/attachment.cgi?id=116030&action=review)
the patch

With the patch, Performance result tested on Linux IA32 is here(ubuntu10.10, DFG_JIT Disabled)
kraken:

TEST                         COMPARISON            FROM                 TO             DETAILS

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

** TOTAL **:                 1.024x as fast    9858.5ms +/- 0.3%   9624.6ms +/- 0.3%     significant

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

  ai:                        -                 2049.5ms +/- 0.2%   2047.7ms +/- 0.2% 
    astar:                   -                 2049.5ms +/- 0.2%   2047.7ms +/- 0.2% 

  audio:                     -                 2292.7ms +/- 0.1%   2292.3ms +/- 0.1% 
    beat-detection:          -                  677.4ms +/- 0.3%    677.3ms +/- 0.3% 
    dft:                     -                  578.4ms +/- 0.4%    578.4ms +/- 0.3% 
    fft:                     *1.005x as slow*   522.7ms +/- 0.1%    525.3ms +/- 0.2%     significant
    oscillator:              1.006x as fast     514.2ms +/- 0.1%    511.3ms +/- 0.2%     significant

  imaging:                   *1.019x as slow*  4146.8ms +/- 0.6%   4223.8ms +/- 0.5%     significant
    gaussian-blur:           *1.003x as slow*  2565.6ms +/- 0.1%   2573.0ms +/- 0.2%     significant
    darkroom:                *1.109x as slow*   672.7ms +/- 3.5%    746.2ms +/- 2.8%     significant
    desaturate:              1.004x as fast     908.5ms +/- 0.1%    904.6ms +/- 0.2%     significant

  json:                      *1.009x as slow*   183.9ms +/- 0.3%    185.5ms +/- 0.5%     significant
    parse-financial:         -                   71.8ms +/- 0.4%     71.8ms +/- 0.4% 
    stringify-tinderbox:     *1.014x as slow*   112.1ms +/- 0.5%    113.7ms +/- 1.0%     significant

  stanford:                  1.35x as fast     1185.6ms +/- 0.4%    875.3ms +/- 0.6%     significant
    crypto-aes:              *1.011x as slow*   156.8ms +/- 0.3%    158.5ms +/- 0.8%     significant
    crypto-ccm:              *1.014x as slow*   130.7ms +/- 0.5%    132.5ms +/- 1.0%     significant
    crypto-pbkdf2:           1.56x as fast      670.4ms +/- 0.6%    429.2ms +/- 0.7%     significant
    crypto-sha256-iterative: 1.47x as fast      227.7ms +/- 0.3%    155.1ms +/- 0.6%     significant

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