[Webkit-unassigned] [Bug 70460] DFG JIT 32_64 - remove unnecessary double unboxings in fillDouble/fillSpeculateDouble
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Oct 19 17:40:45 PDT 2011
https://bugs.webkit.org/show_bug.cgi?id=70460
--- Comment #2 from Yuqiang Xian <yuqiang.xian at intel.com> 2011-10-19 17:40:46 PST ---
Performance result based on current code base w/ DFG 32bit turned on (on Linux ia32 Core i7 Nehalem) -
Kraken:
TEST COMPARISON FROM TO DETAILS
=============================================================================
** TOTAL **: 1.087x as fast 7272.1ms +/- 0.3% 6688.4ms +/- 0.1% significant
=============================================================================
ai: 1.002x as fast 797.2ms +/- 0.2% 795.3ms +/- 0.1% significant
astar: 1.002x as fast 797.2ms +/- 0.2% 795.3ms +/- 0.1% significant
audio: 1.116x as fast 2376.4ms +/- 0.8% 2130.0ms +/- 0.2% significant
beat-detection: 1.108x as fast 702.2ms +/- 2.7% 634.0ms +/- 0.5% significant
dft: 1.27x as fast 557.7ms +/- 0.2% 439.4ms +/- 0.5% significant
fft: 1.123x as fast 534.6ms +/- 0.4% 476.1ms +/- 0.1% significant
oscillator: - 581.9ms +/- 0.3% 580.5ms +/- 0.1%
imaging: 1.129x as fast 2920.6ms +/- 0.2% 2586.2ms +/- 0.1% significant
gaussian-blur: 1.35x as fast 1278.9ms +/- 0.1% 950.8ms +/- 0.1% significant
darkroom: 1.003x as fast 715.8ms +/- 0.2% 713.5ms +/- 0.1% significant
desaturate: - 925.9ms +/- 0.5% 921.9ms +/- 0.3%
json: - 194.6ms +/- 0.5% 193.9ms +/- 0.5%
parse-financial: 1.006x as fast 82.1ms +/- 0.3% 81.6ms +/- 0.5% significant
stringify-tinderbox: - 112.5ms +/- 1.0% 112.3ms +/- 0.8%
stanford: - 983.3ms +/- 0.2% 983.0ms +/- 0.3%
crypto-aes: ?? 164.7ms +/- 0.5% 165.6ms +/- 0.6% not conclusive: might be *1.005x as slow*
crypto-ccm: - 141.3ms +/- 0.7% 140.5ms +/- 0.6%
crypto-pbkdf2: - 572.7ms +/- 0.2% 572.4ms +/- 0.3%
crypto-sha256-iterative: - 104.6ms +/- 0.4% 104.5ms +/- 0.5%
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