[Webkit-unassigned] [Bug 72467] Code block jettisoning should be part of the GC's transitive closure
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Nov 15 23:35:57 PST 2011
https://bugs.webkit.org/show_bug.cgi?id=72467
Filip Pizlo <fpizlo at apple.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #115331| |review?
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--- Comment #1 from Filip Pizlo <fpizlo at apple.com> 2011-11-15 23:35:58 PST ---
Created an attachment (id=115331)
--> (https://bugs.webkit.org/attachment.cgi?id=115331&action=review)
the patch
The performance is neutral.
[pizlo at nitroflex bencher] ./bencher TipOfTree:/Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc DFGCodeBlocks:/Volumes/Data/pizlo/OpenSource/WebKitBuild/Release/jsc --remote oldmac,bigmac
Packaging VM builds for remote hosts...
Sending VM builds to oldmac...
Running on oldmac...
376/376
Generating benchmark report at TipOfTree_DFGCodeBlocks_SunSpiderV8Kraken_20111115_2314_benchReport.txt
Benchmark report for SunSpider, V8, and Kraken on oldmac.local (MacPro4,1).
VMs tested:
"TipOfTree" at /Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc (r100409)
"DFGCodeBlocks" at /Volumes/Data/pizlo/OpenSource/WebKitBuild/Release/jsc (r100409)
Collected 12 samples per benchmark/VM, with 4 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 DFGCodeBlocks
SunSpider:
3d-cube 8.9733+-0.0345 8.9398+-0.0383
3d-morph 10.2372+-0.1515 10.1285+-0.0455 might be 1.0107x faster
3d-raytrace 9.2397+-0.0742 9.1624+-0.0545
access-binary-trees 1.9173+-0.0072 ? 1.9408+-0.0322 ? might be 1.0122x slower
access-fannkuch 9.0949+-0.0126 9.0948+-0.0071
access-nbody 5.0517+-0.0030 ? 5.0521+-0.0082 ?
access-nsieve 3.7642+-0.0502 ? 3.7751+-0.0610 ?
bitops-3bit-bits-in-byte 1.4801+-0.0036 ? 1.4915+-0.0233 ?
bitops-bits-in-byte 5.9961+-0.0722 5.9393+-0.0177
bitops-bitwise-and 3.9795+-0.0132 ? 3.9905+-0.0393 ?
bitops-nsieve-bits 6.8535+-0.0496 6.8342+-0.0470
controlflow-recursive 2.7475+-0.0141 ? 2.7628+-0.0278 ?
crypto-aes 8.5666+-0.0595 ? 8.5803+-0.0550 ?
crypto-md5 2.9998+-0.0220 ! 3.0373+-0.0143 ! definitely 1.0125x slower
crypto-sha1 2.6110+-0.0189 ? 2.6411+-0.0386 ? might be 1.0115x slower
date-format-tofte 12.9748+-0.0927 ? 13.1372+-0.0830 ? might be 1.0125x slower
date-format-xparb 13.2369+-0.1701 ^ 12.3930+-0.2693 ^ definitely 1.0681x faster
math-cordic 8.7441+-0.1110 ^ 8.6104+-0.0221 ^ definitely 1.0155x faster
math-partial-sums 12.7435+-0.0541 ^ 12.6258+-0.0271 ^ definitely 1.0093x faster
math-spectral-norm 3.1236+-0.0049 ? 3.1276+-0.0076 ?
regexp-dna 16.4603+-0.1241 ? 16.5574+-0.1390 ?
string-base64 4.7776+-0.0475 ? 4.8275+-0.0737 ? might be 1.0105x slower
string-fasta 8.5676+-0.0147 8.5315+-0.0253
string-tagcloud 16.2332+-0.1278 ? 16.3223+-0.1204 ?
string-unpack-code 27.8863+-0.0675 ? 27.9467+-0.0562 ?
string-validate-input 6.8559+-0.0649 ! 6.9918+-0.0519 ! definitely 1.0198x slower
<arithmetic> * 8.2737+-0.0292 8.2478+-0.0335
<geometric> 6.5343+-0.0218 6.5301+-0.0278
<harmonic> 5.0532+-0.0154 ? 5.0704+-0.0259 ?
TipOfTree DFGCodeBlocks
V8:
crypto 93.4016+-0.3318 ? 93.7145+-0.3372 ?
deltablue 204.9667+-1.4906 203.3539+-1.5126
earley-boyer 126.5092+-1.3792 ? 126.9296+-1.1904 ?
raytrace 76.4015+-0.5830 ? 77.0431+-1.0522 ?
regexp 149.2949+-0.4518 ? 149.7389+-0.5129 ?
richards 166.8745+-0.7934 166.1569+-0.6842
splay 107.5215+-1.2185 106.4858+-1.0981
<arithmetic> 132.1386+-0.3973 131.9175+-0.3444
<geometric> * 125.6869+-0.4015 125.6151+-0.3484
<harmonic> 119.5030+-0.4236 ? 119.5705+-0.4232 ?
TipOfTree DFGCodeBlocks
Kraken:
ai-astar 895.1716+-0.5152 894.8411+-0.9014
audio-beat-detection 249.6966+-1.1852 248.9893+-0.5309
audio-dft 314.5609+-2.8841 ? 314.9799+-3.0798 ?
audio-fft 161.8402+-0.1154 ? 162.2922+-0.8093 ?
audio-oscillator 355.5835+-2.8221 ? 355.6017+-3.1301 ?
imaging-darkroom 409.5399+-8.0807 402.5688+-5.4728 might be 1.0173x faster
imaging-desaturate 291.1407+-0.0368 ? 291.2704+-0.2197 ?
imaging-gaussian-blur 750.8037+-0.2328 ? 752.9228+-4.4614 ?
json-parse-financial 87.7746+-0.2768 ? 87.9518+-0.2255 ?
json-stringify-tinderbox 95.6810+-0.2857 ? 95.7273+-0.3303 ?
stanford-crypto-aes 141.2817+-1.1004 ? 143.0116+-1.6139 ? might be 1.0122x slower
stanford-crypto-ccm 136.9733+-0.3995 136.8832+-0.6449
stanford-crypto-pbkdf2 283.3259+-2.1650 281.2825+-2.4035
stanford-crypto-sha256-iterative 118.9495+-0.4448 ^ 117.9656+-0.2000 ^ definitely 1.0083x faster
<arithmetic> * 306.5945+-0.6486 306.1634+-0.6200
<geometric> 238.9861+-0.4570 238.7401+-0.4551
<harmonic> 192.6643+-0.3043 192.6255+-0.3288
TipOfTree DFGCodeBlocks
All benchmarks:
<arithmetic> 115.5832+-0.1803 115.4075+-0.1934
<geometric> 29.6532+-0.0617 29.6310+-0.0769
<harmonic> 8.9074+-0.0267 ? 8.9371+-0.0446 ?
TipOfTree DFGCodeBlocks
Geomean of preferred means:
<scaled-result> 68.3148+-0.1231 68.1984+-0.1369
Sending VM builds to bigmac...
Running on bigmac...
376/376
Generating benchmark report at TipOfTree_DFGCodeBlocks_SunSpiderV8Kraken_20111115_2317_benchReport.txt
Benchmark report for SunSpider, V8, and Kraken on bigmac.local (MacPro5,1).
VMs tested:
"TipOfTree" at /Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc (r100409)
"DFGCodeBlocks" at /Volumes/Data/pizlo/OpenSource/WebKitBuild/Release/jsc (r100409)
Collected 12 samples per benchmark/VM, with 4 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 DFGCodeBlocks
SunSpider:
3d-cube 7.5032+-0.0332 ^ 7.4309+-0.0181 ^ definitely 1.0097x faster
3d-morph 8.3867+-0.0400 ? 8.5196+-0.1343 ? might be 1.0158x slower
3d-raytrace 7.6770+-0.0596 7.6764+-0.0514
access-binary-trees 1.6034+-0.0128 1.5922+-0.0058
access-fannkuch 7.5298+-0.0150 ? 7.5350+-0.0078 ?
access-nbody 4.1868+-0.0069 ? 4.1895+-0.0055 ?
access-nsieve 3.1571+-0.0506 3.1541+-0.0586
bitops-3bit-bits-in-byte 1.2455+-0.0160 ? 1.2463+-0.0146 ?
bitops-bits-in-byte 4.9072+-0.0098 ? 4.9074+-0.0093 ?
bitops-bitwise-and 3.3099+-0.0291 3.2965+-0.0208
bitops-nsieve-bits 5.6445+-0.0358 5.6423+-0.0363
controlflow-recursive 2.2810+-0.0145 2.2797+-0.0150
crypto-aes 7.1286+-0.0415 7.1140+-0.0373
crypto-md5 2.5067+-0.0200 ? 2.5234+-0.0150 ?
crypto-sha1 2.1769+-0.0140 ? 2.1820+-0.0120 ?
date-format-tofte 10.6355+-0.0416 ! 10.8784+-0.0788 ! definitely 1.0228x slower
date-format-xparb 10.8949+-0.0855 ^ 9.9760+-0.1471 ^ definitely 1.0921x faster
math-cordic 7.1929+-0.0520 7.1629+-0.0285
math-partial-sums 10.4968+-0.0233 10.4538+-0.0267
math-spectral-norm 2.6073+-0.0141 2.6035+-0.0097
regexp-dna 13.2815+-0.1455 ? 13.3551+-0.1555 ?
string-base64 3.9459+-0.0158 ? 3.9620+-0.0272 ?
string-fasta 7.0967+-0.0215 ^ 7.0327+-0.0121 ^ definitely 1.0091x faster
string-tagcloud 13.2739+-0.0774 ? 13.3888+-0.0780 ?
string-unpack-code 22.4806+-0.0984 ? 22.5374+-0.1118 ?
string-validate-input 5.6743+-0.1153 ? 5.7204+-0.0318 ?
<arithmetic> * 6.8010+-0.0223 6.7831+-0.0249
<geometric> 5.4034+-0.0184 5.3923+-0.0172
<harmonic> 4.2017+-0.0169 4.1970+-0.0133
TipOfTree DFGCodeBlocks
V8:
crypto 77.4166+-0.2837 ? 77.5058+-0.2328 ?
deltablue 171.6202+-1.6061 170.0732+-1.0567
earley-boyer 104.9058+-1.1736 ? 104.9624+-0.9954 ?
raytrace 64.0433+-1.6441 63.4618+-0.4197
regexp 124.1412+-0.3760 ! 125.3017+-0.1466 ! definitely 1.0093x slower
richards 137.6363+-0.4870 137.6235+-0.3622
splay 90.7661+-1.5559 89.3494+-1.0397 might be 1.0159x faster
<arithmetic> 110.0757+-0.5509 109.7540+-0.1916
<geometric> * 104.7400+-0.6172 104.4071+-0.1902
<harmonic> 99.6374+-0.7276 99.2725+-0.1916
TipOfTree DFGCodeBlocks
Kraken:
ai-astar 818.4744+-11.3281 ? 826.7462+-0.3904 ? might be 1.0101x slower
audio-beat-detection 204.3252+-0.6030 ? 205.0148+-0.7475 ?
audio-dft 262.5186+-2.1914 260.3697+-2.2269
audio-fft 132.8021+-0.1407 132.7924+-0.0995
audio-oscillator 293.3498+-0.3937 293.3062+-0.4924
imaging-darkroom 335.2181+-5.0709 333.1090+-4.5439
imaging-desaturate 240.8844+-0.1673 ? 240.8881+-0.1606 ?
imaging-gaussian-blur 620.5048+-0.1724 ? 623.3088+-3.3815 ?
json-parse-financial 72.0124+-0.2967 ? 72.1616+-0.1456 ?
json-stringify-tinderbox 78.9461+-0.2363 ! 80.0372+-0.7569 ! definitely 1.0138x slower
stanford-crypto-aes 117.9708+-1.2254 117.0255+-0.3211
stanford-crypto-ccm 114.1310+-0.3159 ? 114.5858+-0.5152 ?
stanford-crypto-pbkdf2 230.7736+-0.8957 ? 232.4556+-1.4659 ?
stanford-crypto-sha256-iterative 97.7790+-0.1591 ^ 97.1193+-0.2832 ^ definitely 1.0068x faster
<arithmetic> * 258.5493+-0.8837 ? 259.2086+-0.4631 ?
<geometric> 198.5446+-0.4188 ? 198.7658+-0.2959 ?
<harmonic> 159.1494+-0.3278 ? 159.3555+-0.2159 ?
TipOfTree DFGCodeBlocks
All benchmarks:
<arithmetic> 97.1712+-0.2955 ? 97.3097+-0.1310 ?
<geometric> 24.5832+-0.0563 24.5518+-0.0466
<harmonic> 7.4060+-0.0291 7.3977+-0.0230
TipOfTree DFGCodeBlocks
Geomean of preferred means:
<scaled-result> 56.8944+-0.1572 56.8329+-0.0775
[pizlo at nitroflex bencher]
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