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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - REGRESSION(concurrent baseline JIT): Kraken/ai-astar runs 20% slower"
href="https://bugs.webkit.org/show_bug.cgi?id=158906#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - REGRESSION(concurrent baseline JIT): Kraken/ai-astar runs 20% slower"
href="https://bugs.webkit.org/show_bug.cgi?id=158906">bug 158906</a>
from <span class="vcard"><a class="email" href="mailto:fpizlo@apple.com" title="Filip Pizlo <fpizlo@apple.com>"> <span class="fn">Filip Pizlo</span></a>
</span></b>
<pre>I believe that this resolves the Kraken issue. Here are the numbers now.
FROM = concurrent baseline JIT completely disabled.
TO = my change, which uses synchronous compilation of the thread is busy.
TEST COMPARISON FROM TO DETAILS
====================================================================================
** TOTAL **: 1.013x as fast 826.1ms +/- 0.6% 815.5ms +/- 1.1% significant
====================================================================================
ai: *1.043x as slow* 85.3ms +/- 2.0% 89.0ms +/- 1.6% significant
astar: *1.043x as slow* 85.3ms +/- 2.0% 89.0ms +/- 1.6% significant
audio: 1.037x as fast 259.1ms +/- 1.1% 249.8ms +/- 2.9% significant
beat-detection: ?? 58.1ms +/- 3.7% 59.1ms +/- 11.5% might be *1.017x as slow*
dft: 1.100x as fast 103.1ms +/- 2.1% 93.7ms +/- 2.1% significant
fft: - 43.9ms +/- 1.8% 42.9ms +/- 2.4%
oscillator: ?? 54.0ms +/- 1.2% 54.1ms +/- 2.1% might be *1.002x as slow*
imaging: ?? 185.1ms +/- 1.0% 185.6ms +/- 2.5% might be *1.003x as slow*
gaussian-blur: - 64.2ms +/- 2.2% 62.2ms +/- 3.4%
darkroom: ?? 72.9ms +/- 1.0% 73.5ms +/- 0.8% might be *1.008x as slow*
desaturate: ?? 48.0ms +/- 5.1% 49.9ms +/- 6.5% might be *1.040x as slow*
json: - 58.7ms +/- 1.3% 57.8ms +/- 1.3%
parse-financial: - 35.2ms +/- 1.6% 34.8ms +/- 1.6%
stringify-tinderbox: 1.022x as fast 23.5ms +/- 1.6% 23.0ms +/- 1.5% significant
stanford: 1.020x as fast 237.9ms +/- 0.8% 233.3ms +/- 1.2% significant
crypto-aes: 1.045x as fast 51.5ms +/- 1.9% 49.3ms +/- 1.2% significant
crypto-ccm: - 48.4ms +/- 1.9% 48.3ms +/- 4.7%
crypto-pbkdf2: 1.014x as fast 99.6ms +/- 1.3% 98.2ms +/- 0.6% significant
crypto-sha256-iterative: 1.024x as fast 38.4ms +/- 1.3% 37.5ms +/- 1.3% significant</pre>
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