[Webkit-unassigned] [Bug 71045] Crash in JSC::Structure::materializePropertyMap when viewing Garden-O-Matic
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Oct 27 15:07:41 PDT 2011
https://bugs.webkit.org/show_bug.cgi?id=71045
--- Comment #7 from Filip Pizlo <fpizlo at apple.com> 2011-10-27 15:07:41 PST ---
Sadly, this is a slight slow-down on SunSpider. But it is quite small, and it doesn't show up in other benchmarks, so the fix is likely worth it.
Benchmark report for SunSpider, V8, and Kraken.
VMs tested:
"TipOfTree" at /Volumes/Data/pizlo/tertiary/OpenSource/WebKitBuild/Release/jsc
"FixStructPin" at /Volumes/Data/pizlo/secondary/OpenSource/WebKitBuild/Release/jsc
Collected 30 samples per benchmark/VM, with 10 VM invocations per benchmark. 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 FixStructPin
SunSpider:
3d-cube 7.9432+-0.0276 7.9117+-0.0268
3d-morph 8.5105+-0.0784 ^ 8.4044+-0.0181 ^ definitely 1.0126x faster
3d-raytrace 8.2174+-0.0432 8.1745+-0.0613
access-binary-trees 1.7146+-0.0143 ^ 1.6905+-0.0038 ^ definitely 1.0143x faster
access-fannkuch 7.7460+-0.0093 ? 7.7609+-0.0059 ?
access-nbody 4.5315+-0.0072 ? 4.5358+-0.0143 ?
access-nsieve 3.2009+-0.0146 3.1979+-0.0179
bitops-3bit-bits-in-byte 1.3244+-0.0089 1.3130+-0.0043
bitops-bits-in-byte 5.2687+-0.0205 ? 5.2824+-0.0112 ?
bitops-bitwise-and 3.4350+-0.0401 ? 3.4352+-0.0363 ?
bitops-nsieve-bits 5.6555+-0.0224 5.6529+-0.0216
controlflow-recursive 2.3330+-0.0037 ? 2.3410+-0.0106 ?
crypto-aes 7.6497+-0.0420 7.6323+-0.0484
crypto-md5 2.8601+-0.0087 ? 2.8605+-0.0145 ?
crypto-sha1 2.6354+-0.0067 2.6312+-0.0071
date-format-tofte 10.5632+-0.0460 ! 10.6605+-0.0460 ! definitely 1.0092x slower
date-format-xparb 9.9720+-0.1549 ? 10.1731+-0.1275 ? might be 1.0202x slower
math-cordic 7.5686+-0.1547 ? 7.7440+-0.1560 ? might be 1.0232x slower
math-partial-sums 10.6938+-0.1189 10.5761+-0.0265 might be 1.0111x faster
math-spectral-norm 2.8803+-0.0045 2.8773+-0.0042
regexp-dna 13.4070+-0.1127 13.3740+-0.1064
string-base64 4.4634+-0.0362 4.4469+-0.0125
string-fasta 7.1400+-0.0245 ? 7.1445+-0.0361 ?
string-tagcloud 13.3047+-0.0816 13.1774+-0.0828
string-unpack-code 22.7366+-0.1591 ! 23.6213+-0.1312 ! definitely 1.0389x slower
string-validate-input 5.6028+-0.0248 ! 5.6641+-0.0201 ! definitely 1.0109x slower
<arithmetic> * 6.9753+-0.0162 ! 7.0109+-0.0168 ! definitely 1.0051x slower
<geometric> 5.6425+-0.0108 ? 5.6500+-0.0114 ?
<harmonic> 4.4692+-0.0079 4.4621+-0.0084
TipOfTree FixStructPin
V8:
crypto 81.1896+-0.1168 ? 81.3671+-0.1623 ?
deltablue 199.3296+-1.0399 198.1822+-0.9440
earley-boyer 111.8989+-0.4461 ! 113.1431+-0.5304 ! definitely 1.0111x slower
raytrace 69.7200+-0.1919 ? 69.9946+-0.2200 ?
regexp 123.9281+-0.2393 ! 124.4909+-0.2948 ! definitely 1.0045x slower
richards 145.2759+-0.4161 ? 145.8049+-0.3323 ?
splay 125.6654+-0.2809 ^ 121.0977+-0.2940 ^ definitely 1.0377x faster
<arithmetic> 122.4296+-0.2022 ^ 122.0115+-0.1650 ^ definitely 1.0034x faster
<geometric> * 116.1735+-0.1607 115.8837+-0.1459
<harmonic> 110.1899+-0.1402 110.0394+-0.1449
TipOfTree FixStructPin
Kraken:
ai-astar 830.8233+-4.4071 ? 835.0350+-0.5160 ?
audio-beat-detection 213.1762+-0.6769 ? 213.2899+-1.0087 ?
audio-dft 263.5786+-2.6509 262.5557+-1.3202
audio-fft 133.2385+-0.3857 133.0737+-0.2631
audio-oscillator 291.6292+-0.6770 ? 291.8211+-0.7753 ?
imaging-darkroom 456.8501+-10.0365 450.3742+-3.3700 might be 1.0144x faster
imaging-desaturate 245.3833+-0.2843 245.2521+-0.0855
imaging-gaussian-blur 622.0908+-0.8585 621.7663+-0.4884
json-parse-financial 69.8525+-0.1532 ! 72.4779+-0.1186 ! definitely 1.0376x slower
json-stringify-tinderbox 79.5813+-0.1407 79.2584+-0.1880
stanford-crypto-aes 153.7820+-1.0984 ^ 151.5146+-0.9335 ^ definitely 1.0150x faster
stanford-crypto-ccm 116.4856+-0.6340 115.7287+-0.4401
stanford-crypto-pbkdf2 236.9247+-1.5438 234.8863+-0.8870
stanford-crypto-sha256-iterative 85.3753+-0.1279 ^ 85.0792+-0.1425 ^ definitely 1.0035x faster
<arithmetic> * 271.3408+-0.6121 270.8652+-0.2501
<geometric> 206.3747+-0.3980 206.1808+-0.1924
<harmonic> 162.0133+-0.2066 ? 162.3857+-0.1775 ?
TipOfTree FixStructPin
All benchmarks:
<arithmetic> 102.9178+-0.1943 102.7336+-0.0848
<geometric> 25.8670+-0.0388 ? 25.8691+-0.0339 ?
<harmonic> 7.8760+-0.0137 7.8638+-0.0145
TipOfTree FixStructPin
Geomean of preferred means:
<scaled-result> 60.3568+-0.0888 ? 60.3736+-0.0661 ?
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