[Webkit-unassigned] [Bug 65949] DFG JIT does not speculative integers as aggressively as it should
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Aug 9 17:17:23 PDT 2011
https://bugs.webkit.org/show_bug.cgi?id=65949
--- Comment #3 from Filip Pizlo <fpizlo at apple.com> 2011-08-09 17:17:24 PST ---
Here are the complete performance numbers.
TipOfTree MoreIntPrediction
SunSpider:
3d-cube 7.6745+-0.1019 ? 7.6835+-0.1166 ?
3d-morph 7.4896+-0.2832 ? 7.4942+-0.0978 ?
3d-raytrace 7.7863+-0.1357 7.6264+-0.1290 might be 1.0210x faster
access-binary-trees 2.2473+-0.0589 2.2113+-0.0360 might be 1.0163x faster
access-fannkuch 11.7730+-0.2411 ? 11.7908+-0.2121 ?
access-nbody 4.1934+-0.0454 ? 4.3190+-0.0906 ? might be 1.0299x slower
access-nsieve 2.4448+-0.0406 ? 2.5105+-0.0462 ? might be 1.0269x slower
bitops-3bit-bits-in-byte 1.7384+-0.0393 1.7228+-0.0528
bitops-bits-in-byte 4.2191+-0.1023 4.1484+-0.0980 might be 1.0170x faster
bitops-bitwise-and 3.6774+-0.0775 ? 3.6978+-0.0712 ?
bitops-nsieve-bits 5.5151+-0.0851 5.5048+-0.0794
controlflow-recursive 2.0880+-0.0292 ? 2.1112+-0.0401 ? might be 1.0111x slower
crypto-aes 6.5138+-0.1300 6.4731+-0.1229
crypto-md5 2.7793+-0.0392 ? 2.8046+-0.0638 ?
crypto-sha1 2.2024+-0.0386 ? 2.2396+-0.0330 ? might be 1.0169x slower
date-format-tofte 10.0715+-0.1753 ? 10.0717+-0.1696 ?
date-format-xparb 8.8285+-0.2281 8.7777+-0.1663
math-cordic 6.3224+-0.0819 6.2717+-0.0913
math-partial-sums 7.7275+-0.1963 7.6841+-0.0915
math-spectral-norm 2.5223+-0.0466 2.4793+-0.0546 might be 1.0174x faster
regexp-dna 10.3466+-0.1322 ? 10.3785+-0.0831 ?
string-base64 5.9888+-0.1269 ? 6.0098+-0.1060 ?
string-fasta 7.2988+-0.1264 ? 7.3690+-0.1294 ?
string-tagcloud 13.3424+-0.1679 13.2359+-0.1711
string-unpack-code 18.7737+-0.2036 ? 18.8364+-0.2646 ?
string-validate-input 6.9843+-0.1404 ? 7.0288+-0.1377 ?
<arithmetic> 6.5596+-0.0285 6.5570+-0.0190
<geometric> 5.4297+-0.0187 ? 5.4328+-0.0129 ?
<harmonic> 4.4360+-0.0188 ? 4.4419+-0.0175 ?
TipOfTree MoreIntPrediction
V8:
crypto 89.5519+-0.4226 89.2459+-0.4849
deltablue 267.0146+-1.9752 266.9575+-1.6417
earley-boyer 100.1948+-0.4290 ? 101.2045+-0.6564 ? might be 1.0101x slower
raytrace 78.3700+-0.4048 77.7418+-0.4722
regexp 107.9905+-0.6120 ? 109.0274+-0.8690 ?
richards 252.3878+-1.3620 ^ 247.8854+-1.0892 ^ definitely 1.0182x faster
splay 108.9475+-0.6675 ? 109.2536+-0.5530 ?
<arithmetic> 143.4939+-0.3942 143.0452+-0.4092
<geometric> 127.8141+-0.2470 127.6807+-0.3624
<harmonic> 116.5470+-0.1965 116.5441+-0.3588
TipOfTree MoreIntPrediction
Kraken:
ai-astar 1098.7387+-5.3837 1093.7142+-4.3138
audio-beat-detection 469.0803+-2.4284 ^ 461.5361+-2.3209 ^ definitely 1.0163x faster
audio-dft 428.4697+-5.4192 ? 429.9280+-5.5726 ?
audio-fft 366.5176+-2.1237 ? 368.1275+-2.9561 ?
audio-oscillator 380.0753+-1.7885 378.3811+-0.9690
imaging-darkroom 586.0195+-5.1337 ? 594.1783+-17.3111 ? might be 1.0139x slower
imaging-desaturate 597.5276+-2.3314 594.4309+-2.4371
imaging-gaussian-blur 2970.7402+-4.8706 ^ 1738.6283+-3.3785 ^ definitely 1.7087x faster
json-parse-financial 49.2663+-0.3575 48.8788+-0.3181
json-stringify-tinderbox 61.7510+-0.2202 ? 61.9327+-0.2707 ?
stanford-crypto-aes 143.6676+-0.7414 ? 145.2050+-1.0337 ? might be 1.0107x slower
stanford-crypto-ccm 112.0324+-0.4927 111.4733+-0.3494
stanford-crypto-pbkdf2 373.0106+-2.9323 370.2925+-1.5627
stanford-crypto-sha256-iterative 140.1264+-0.6707 139.2418+-0.6824
<arithmetic> 555.5017+-0.7214 ^ 466.8535+-1.4057 ^ definitely 1.1899x faster
<geometric> 311.7203+-0.5547 ^ 299.5131+-0.7081 ^ definitely 1.0408x faster
<harmonic> 182.6274+-0.5036 ^ 181.6548+-0.4620 ^ definitely 1.0054x faster
TipOfTree MoreIntPrediction
All benchmarks:
<arithmetic> 190.4687+-0.2287 ^ 163.9946+-0.4317 ^ definitely 1.1614x faster
<geometric> 29.0427+-0.0535 ^ 28.7038+-0.0385 ^ definitely 1.0118x faster
<harmonic> 7.8361+-0.0325 ? 7.8458+-0.0302 ?
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