[Webkit-unassigned] [Bug 74390] DFG GetByVal CSE rule should match PutByValAlias
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Dec 13 01:35:14 PST 2011
https://bugs.webkit.org/show_bug.cgi?id=74390
Filip Pizlo <fpizlo at apple.com> changed:
What |Removed |Added
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Attachment #118977| |review?
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--- Comment #1 from Filip Pizlo <fpizlo at apple.com> 2011-12-13 01:35:14 PST ---
Created an attachment (id=118977)
--> (https://bugs.webkit.org/attachment.cgi?id=118977&action=review)
the patch
Benchmark report for SunSpider, V8, and Kraken on bigmac.local (MacPro5,1).
VMs tested:
"TipOfTree" at /Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc (r102562)
"PutByValAliasCSE" at /Volumes/Data/pizlo/secondary/OpenSource/WebKitBuild/Release/jsc (r102661)
Collected 45 samples per benchmark/VM, with 15 VM invocations per benchmark. Emitted a call to gc() between
sample measurements. Used 1 benchmark iteration per VM invocation for warm-up. Used the jsc-specific
preciseTime() function to get microsecond-level timing. Reporting benchmark execution times with 95% confidence
intervals in milliseconds.
TipOfTree PutByValAliasCSE
SunSpider:
3d-cube 7.3350+-0.0104 7.3167+-0.0181
3d-morph 8.3525+-0.0426 ? 8.3698+-0.0513 ?
3d-raytrace 7.7018+-0.0274 7.6631+-0.0304
access-binary-trees 1.6007+-0.0044 1.6007+-0.0030
access-fannkuch 7.5335+-0.0071 ^ 7.3790+-0.0062 ^ definitely 1.0209x faster
access-nbody 3.9326+-0.0040 3.9278+-0.0045
access-nsieve 3.1982+-0.0225 3.1941+-0.0222
bitops-3bit-bits-in-byte 1.2578+-0.0079 1.2503+-0.0075
bitops-bits-in-byte 5.0874+-0.0159 5.0637+-0.0149
bitops-bitwise-and 3.2892+-0.0039 ? 3.2920+-0.0050 ?
bitops-nsieve-bits 5.6519+-0.0167 5.6448+-0.0178
controlflow-recursive 2.3535+-0.0106 2.3443+-0.0085
crypto-aes 7.2043+-0.0200 ! 7.3627+-0.0180 ! definitely 1.0220x slower
crypto-md5 2.4642+-0.0101 2.4617+-0.0104
crypto-sha1 2.1909+-0.0147 2.1791+-0.0143
date-format-tofte 10.6563+-0.0566 ? 10.7304+-0.0707 ?
date-format-xparb 9.8916+-0.0487 9.7766+-0.0888 might be 1.0118x faster
math-cordic 7.1762+-0.0174 ? 7.1842+-0.0174 ?
math-partial-sums 10.4064+-0.0120 ? 10.4218+-0.0157 ?
math-spectral-norm 2.6019+-0.0051 ? 2.6055+-0.0064 ?
regexp-dna 8.8459+-0.0253 ? 8.8789+-0.0257 ?
string-base64 4.2221+-0.0069 4.2181+-0.0071
string-fasta 7.1979+-0.0079 ? 7.2052+-0.0093 ?
string-tagcloud 12.3993+-0.0296 12.3754+-0.0338
string-unpack-code 20.9027+-0.0539 ^ 20.7012+-0.0592 ^ definitely 1.0097x faster
string-validate-input 5.6090+-0.0197 5.5907+-0.0230
<arithmetic> * 6.5024+-0.0081 6.4899+-0.0095 might be 1.0019x faster
<geometric> 5.2827+-0.0075 5.2745+-0.0075 might be 1.0016x faster
<harmonic> 4.1800+-0.0078 4.1719+-0.0074 might be 1.0019x faster
TipOfTree PutByValAliasCSE
V8:
crypto 76.1163+-0.1000 ? 76.2169+-0.1372 ?
deltablue 172.8269+-0.3326 ? 173.1246+-0.3492 ?
earley-boyer 99.2811+-0.6146 ? 99.3397+-0.5229 ?
raytrace 52.2787+-0.1007 ! 52.7063+-0.2284 ! definitely 1.0082x slower
regexp 122.5528+-0.2666 122.4658+-0.2735
richards 139.9164+-0.3003 ^ 139.3020+-0.2854 ^ definitely 1.0044x faster
splay 92.1539+-0.6990 91.2885+-0.6590
<arithmetic> 107.8752+-0.1441 107.7777+-0.1476 might be 1.0009x faster
<geometric> * 101.0833+-0.1448 101.0436+-0.1663 might be 1.0004x faster
<harmonic> 94.2205+-0.1363 ? 94.2814+-0.1864 ? might be 1.0006x slower
TipOfTree PutByValAliasCSE
Kraken:
ai-astar 816.5833+-5.1826 ? 821.5976+-3.8664 ?
audio-beat-detection 203.2783+-0.2957 ! 204.6801+-0.4901 ! definitely 1.0069x slower
audio-dft 276.5288+-1.0650 275.3805+-1.0953
audio-fft 131.9214+-0.2135 ! 133.1070+-0.3343 ! definitely 1.0090x slower
audio-oscillator 286.0799+-2.0936 284.7149+-1.9930
imaging-darkroom 341.0025+-3.3151 336.3170+-2.4769 might be 1.0139x faster
imaging-desaturate 237.5525+-0.0434 237.4708+-0.0383
imaging-gaussian-blur 625.8866+-0.1034 ? 626.0054+-0.1557 ?
json-parse-financial 69.7659+-0.1073 ? 69.9326+-0.0694 ?
json-stringify-tinderbox 82.0705+-0.1258 ! 82.4643+-0.1323 ! definitely 1.0048x slower
stanford-crypto-aes 117.6011+-0.3017 ! 118.7071+-0.6210 ! definitely 1.0094x slower
stanford-crypto-ccm 113.7530+-0.2544 ? 114.0518+-0.3293 ?
stanford-crypto-pbkdf2 229.8478+-0.5139 ? 230.3339+-0.5859 ?
stanford-crypto-sha256-iterative 95.8354+-0.1263 95.5967+-0.1244
<arithmetic> * 259.1219+-0.3887 ? 259.3114+-0.3453 ? might be 1.0007x slower
<geometric> 198.5541+-0.1832 ? 198.8088+-0.1810 ? might be 1.0013x slower
<harmonic> 158.7630+-0.1260 ! 159.1449+-0.1166 ! definitely 1.0024x slower
TipOfTree PutByValAliasCSE
All benchmarks:
<arithmetic> 96.8488+-0.1178 ? 96.8839+-0.1150 ? might be 1.0004x slower
<geometric> 24.1502+-0.0247 24.1372+-0.0252 might be 1.0005x faster
<harmonic> 7.3638+-0.0135 7.3502+-0.0128 might be 1.0019x faster
TipOfTree PutByValAliasCSE
Geomean of preferred means:
<scaled-result> 55.4307+-0.0514 55.4014+-0.0609 might be 1.0005x faster
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