[Webkit-unassigned] [Bug 65424] DFG non-speculative JIT does not optimize PutByVal
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sat Jul 30 19:42:05 PDT 2011
https://bugs.webkit.org/show_bug.cgi?id=65424
--- Comment #1 from Filip Pizlo <fpizlo at apple.com> 2011-07-30 19:42:05 PST ---
Created an attachment (id=102450)
--> (https://bugs.webkit.org/attachment.cgi?id=102450&action=review)
the patch
This is a win on V8 and Kraken, and is neutral on SunSpider. I'll mark as ? when all of the tests pass.
[pizlo at minime bencher] ./bencher TipOfTree:/Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc PutByVal:/Volumes/Data/pizlo/tertiary/OpenSource/WebKitBuild/Release/jsc --outer 8 --inner 4 --warmup 1 --sunspider
TipOfTree: /Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc
PutByVal: /Volumes/Data/pizlo/tertiary/OpenSource/WebKitBuild/Release/jsc
416/416
TipOfTree PutByVal
3d-cube 7.9960+-0.1025 7.9514+-0.1193
3d-morph 7.4389+-0.0984 ? 7.4717+-0.0818 ?
3d-raytrace 8.0496+-0.0791 ? 8.0799+-0.1073 ?
access-binary-trees 2.5966+-0.0429 2.5497+-0.0396 might be 1.0184x faster
access-fannkuch 11.4419+-0.0778 11.4402+-0.0949
access-nbody 4.2838+-0.0506 4.2521+-0.0375
access-nsieve 2.4487+-0.0240 ? 2.4793+-0.0265 ? might be 1.0125x slower
bitops-3bit-bits-in-byte 1.7775+-0.0383 1.7407+-0.0285 might be 1.0211x faster
bitops-bits-in-byte 4.3679+-0.1230 ? 4.3684+-0.1120 ?
bitops-bitwise-and 3.6403+-0.0455 3.6222+-0.0496
bitops-nsieve-bits 5.4653+-0.0520 ? 5.5231+-0.0623 ? might be 1.0106x slower
controlflow-recursive 2.6069+-0.0362 2.5787+-0.0252 might be 1.0110x faster
crypto-aes 7.1403+-0.1086 6.9869+-0.0837 might be 1.0220x faster
crypto-md5 2.7782+-0.0432 2.7611+-0.0396
crypto-sha1 2.1873+-0.0306 ? 2.2137+-0.0384 ? might be 1.0120x slower
date-format-tofte 13.8207+-0.1268 13.8169+-0.1653
date-format-xparb 9.1638+-0.1102 ! 9.4332+-0.1297 ! definitely 1.0294x slower
math-cordic 6.2502+-0.1015 ? 6.2869+-0.0803 ?
math-partial-sums 7.5674+-0.0630 ? 7.6288+-0.0988 ?
math-spectral-norm 2.4707+-0.0259 ? 2.5098+-0.0317 ? might be 1.0158x slower
regexp-dna 10.1646+-0.0885 ! 10.3734+-0.1145 ! definitely 1.0205x slower
string-base64 6.5853+-0.0767 6.5288+-0.0879
string-fasta 7.8724+-0.0925 7.8144+-0.1147
string-tagcloud 13.7407+-0.1333 13.6155+-0.1485
string-unpack-code 21.0170+-0.1659 ? 21.3776+-0.2100 ? might be 1.0172x slower
string-validate-input 7.6710+-0.1038 7.5806+-0.1044 might be 1.0119x faster
AVERAGE 6.9440+-0.0121 ? 6.9610+-0.0187 ?
GEOMEAN 5.6967+-0.0118 ? 5.6981+-0.0175 ?
[pizlo at minime bencher] ./bencher TipOfTree:/Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc PutByVal:/Volumes/Data/pizlo/tertiary/OpenSource/WebKitBuild/Release/jsc --outer 8 --inner 4 --warmup 1 --v8
TipOfTree: /Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc
PutByVal: /Volumes/Data/pizlo/tertiary/OpenSource/WebKitBuild/Release/jsc
112/112
TipOfTree PutByVal
crypto 97.3797+-0.2758 ^ 92.0391+-0.2533 ^ definitely 1.0580x faster
deltablue 268.9680+-1.2141 ? 269.2985+-1.4905 ?
earley-boyer 124.8596+-1.0107 124.0673+-0.5397
raytrace 79.9386+-0.5049 ^ 78.5594+-0.5066 ^ definitely 1.0176x faster
regexp 106.6690+-0.4577 ? 107.5821+-0.4963 ?
richards 253.9950+-1.0977 253.4202+-1.2990
splay 183.8398+-1.0727 183.0630+-0.5311
AVERAGE 159.3785+-0.3636 ^ 158.2900+-0.3325 ^ definitely 1.0069x faster
GEOMEAN 144.2779+-0.3709 ^ 142.7031+-0.2669 ^ definitely 1.0110x faster
[pizlo at minime bencher] ./bencher TipOfTree:/Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc PutByVal:/Volumes/Data/pizlo/tertiary/OpenSource/WebKitBuild/Release/jsc --outer 8 --inner 4 --warmup 1 --kraken
TipOfTree: /Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc
PutByVal: /Volumes/Data/pizlo/tertiary/OpenSource/WebKitBuild/Release/jsc
224/224
TipOfTree PutByVal
ai-astar 1093.1172+-4.5503 ^ 1080.1295+-2.7251 ^ definitely 1.0120x faster
audio-beat-detection 452.1903+-1.4868 ! 460.8981+-2.3712 ! definitely 1.0193x slower
audio-dft 445.4518+-4.0142 ? 447.8315+-5.3821 ?
audio-fft 359.2328+-0.7923 ! 361.9505+-1.6893 ! definitely 1.0076x slower
audio-oscillator 441.3523+-1.0646 ^ 400.6011+-1.6775 ^ definitely 1.1017x faster
imaging-darkroom 658.6015+-3.5162 ^ 568.0929+-1.0142 ^ definitely 1.1593x faster
imaging-desaturate 855.1886+-4.7568 ^ 590.2016+-1.4386 ^ definitely 1.4490x faster
imaging-gaussian-blur 3074.3151+-73.2557 ^ 2961.6057+-9.7733 ^ definitely 1.0381x faster
json-parse-financial 48.4931+-0.2036 ^ 47.8002+-0.1907 ^ definitely 1.0145x faster
json-stringify-tinderbox 63.1767+-0.3018 ^ 62.2697+-0.1606 ^ definitely 1.0146x faster
stanford-crypto-aes 144.8389+-0.8967 143.3318+-0.6163 might be 1.0105x faster
stanford-crypto-ccm 114.9960+-0.8006 ? 115.4686+-1.0867 ?
stanford-crypto-pbkdf2 387.3435+-13.6259 ^ 366.1053+-1.8585 ^ definitely 1.0580x faster
stanford-crypto-sha256-iterative 141.4128+-0.6867 ^ 139.2711+-0.6301 ^ definitely 1.0154x faster
AVERAGE 591.4079+-5.3777 ^ 553.2541+-0.8777 ^ definitely 1.0690x faster
GEOMEAN 328.1413+-0.9137 ^ 311.3703+-0.4795 ^ definitely 1.0539x faster
[pizlo at minime bencher]
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