[Webkit-unassigned] [Bug 75743] JIT stub slow paths that would be identical to that of an interpreter should be factored out
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Jan 6 15:17:22 PST 2012
https://bugs.webkit.org/show_bug.cgi?id=75743
--- Comment #4 from Filip Pizlo <fpizlo at apple.com> 2012-01-06 15:17:22 PST ---
The performance is neutral.
[pizlo at nitroflex bencher] ./bencher TipOfTree:/Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc RefactorSlow:/Volumes/Data/pizlo/OpenSource/WebKitBuild/Release/jsc --remote bigmac --local
Copying TipOfTree into /Volumes/Data/pizlo/bencher/temp/benchdata...
Copying RefactorSlow into /Volumes/Data/pizlo/bencher/temp/benchdata...
All VMs are in place.
Packaging benchmarking directory for remote hosts...
Sending benchmark payload to bigmac...
Running on bigmac...
376/376
Generating benchmark report at TipOfTree_RefactorSlow_SunSpiderV8Kraken_bigmac_20120106_1447_benchReport.txt
Benchmark report for SunSpider, V8, and Kraken on bigmac (MacPro5,1).
VMs tested:
"TipOfTree" at /Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc (r104339)
"RefactorSlow" at /Volumes/Data/pizlo/OpenSource/WebKitBuild/Release/jsc (r104339)
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 RefactorSlow
SunSpider:
3d-cube 5.8619+-0.0178 ? 5.8664+-0.0223 ?
3d-morph 8.4123+-0.0553 ? 8.5088+-0.1415 ? might be 1.0115x slower
3d-raytrace 7.8064+-0.0701 7.7422+-0.0536
access-binary-trees 1.6221+-0.0160 1.6070+-0.0161
access-fannkuch 7.4755+-0.0399 7.4452+-0.0234
access-nbody 3.9876+-0.0057 ^ 3.9656+-0.0091 ^ definitely 1.0056x faster
access-nsieve 3.1346+-0.0399 ? 3.1411+-0.0502 ?
bitops-3bit-bits-in-byte 1.2535+-0.0150 ? 1.2571+-0.0163 ?
bitops-bits-in-byte 4.9892+-0.0303 ? 5.0435+-0.0340 ? might be 1.0109x slower
bitops-bitwise-and 3.3649+-0.0854 ? 3.3756+-0.0818 ?
bitops-nsieve-bits 5.6695+-0.0541 5.6481+-0.0342
controlflow-recursive 2.3291+-0.0069 ? 2.3376+-0.0177 ?
crypto-aes 7.3676+-0.0322 ? 7.3876+-0.0144 ?
crypto-md5 2.4999+-0.0288 ? 2.5000+-0.0192 ?
crypto-sha1 2.2843+-0.0102 ? 2.2919+-0.0174 ?
date-format-tofte 10.3816+-0.0407 ! 10.5739+-0.0617 ! definitely 1.0185x slower
date-format-xparb 10.3716+-0.0433 ^ 9.9001+-0.0896 ^ definitely 1.0476x faster
math-cordic 7.2725+-0.0637 ? 7.3985+-0.1159 ? might be 1.0173x slower
math-partial-sums 10.4211+-0.0312 ? 10.4981+-0.0588 ?
math-spectral-norm 2.6537+-0.0125 2.6462+-0.0060
regexp-dna 8.9070+-0.0522 8.8748+-0.0144
string-base64 4.3056+-0.0149 ? 4.3465+-0.0494 ?
string-fasta 7.2226+-0.0188 ? 7.2228+-0.0168 ?
string-tagcloud 12.3487+-0.0392 ? 12.4196+-0.0801 ?
string-unpack-code 20.6505+-0.0816 20.5170+-0.0782
string-validate-input 5.6101+-0.0383 ? 5.6534+-0.0310 ?
<arithmetic> * 6.4694+-0.0188 6.4680+-0.0152 might be 1.0002x faster
<geometric> 5.2698+-0.0195 ? 5.2730+-0.0173 ? might be 1.0006x slower
<harmonic> 4.1889+-0.0207 ? 4.1914+-0.0208 ? might be 1.0006x slower
TipOfTree RefactorSlow
V8:
crypto 77.8233+-0.2729 77.7624+-0.1950
deltablue 170.8664+-2.3946 ? 171.5670+-4.4580 ?
earley-boyer 99.6983+-1.3652 ? 99.8158+-1.0016 ?
raytrace 51.8626+-0.1891 ^ 51.1383+-0.1967 ^ definitely 1.0142x faster
regexp 121.6293+-0.5194 ^ 119.4981+-0.4753 ^ definitely 1.0178x faster
richards 141.0690+-3.4148 138.6064+-2.5845 might be 1.0178x faster
splay 94.2701+-2.3961 92.6186+-1.2852 might be 1.0178x faster
<arithmetic> 108.1742+-0.5900 107.2867+-0.7144 might be 1.0083x faster
<geometric> * 101.5055+-0.4739 100.6077+-0.4742 might be 1.0089x faster
<harmonic> 94.6430+-0.3510 ^ 93.7560+-0.3039 ^ definitely 1.0095x faster
TipOfTree RefactorSlow
Kraken:
ai-astar 798.8152+-11.0512 ? 809.5704+-12.8406 ? might be 1.0135x slower
audio-beat-detection 195.2150+-2.0365 ^ 191.4068+-0.7731 ^ definitely 1.0199x faster
audio-dft 277.5079+-1.9848 274.2332+-2.4551 might be 1.0119x faster
audio-fft 119.8612+-1.1266 119.5361+-0.7484
audio-oscillator 282.1289+-3.4373 280.4427+-1.8100
imaging-darkroom 300.9565+-7.2008 ? 302.2302+-7.5689 ?
imaging-desaturate 230.0537+-0.1433 ? 230.1007+-0.3022 ?
imaging-gaussian-blur 519.3801+-0.2663 ? 519.4623+-0.2520 ?
json-parse-financial 69.0952+-0.2983 ^ 68.2661+-0.3945 ^ definitely 1.0121x faster
json-stringify-tinderbox 85.5597+-0.4862 ^ 81.8879+-0.2584 ^ definitely 1.0448x faster
stanford-crypto-aes 116.2097+-1.2097 114.7226+-0.5313 might be 1.0130x faster
stanford-crypto-ccm 108.2590+-0.8196 ? 108.3571+-0.8921 ?
stanford-crypto-pbkdf2 219.6826+-1.5132 ^ 213.5631+-0.4439 ^ definitely 1.0287x faster
stanford-crypto-sha256-iterative 94.1376+-0.3357 ^ 93.3387+-0.1380 ^ definitely 1.0086x faster
<arithmetic> * 244.0616+-1.0230 243.3656+-1.1971 might be 1.0029x faster
<geometric> 190.1558+-0.6512 ^ 188.4415+-0.5670 ^ definitely 1.0091x faster
<harmonic> 154.4391+-0.5066 ^ 152.4570+-0.3287 ^ definitely 1.0130x faster
TipOfTree RefactorSlow
All benchmarks:
<arithmetic> 92.3890+-0.3216 92.0488+-0.3812 might be 1.0037x faster
<geometric> 23.8239+-0.0733 23.7360+-0.0632 might be 1.0037x faster
<harmonic> 7.3766+-0.0358 ? 7.3786+-0.0360 ? might be 1.0003x slower
TipOfTree RefactorSlow
Geomean of preferred means:
<scaled-result> 54.3183+-0.1487 54.1022+-0.1378 might be 1.0040x faster
Running locally...
376/376
Generating benchmark report at TipOfTree_RefactorSlow_SunSpiderV8Kraken_nitroflex_20120106_1449_benchReport.txt
Benchmark report for SunSpider, V8, and Kraken on nitroflex (MacBookPro8,2).
VMs tested:
"TipOfTree" at /Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc (r104339)
"RefactorSlow" at /Volumes/Data/pizlo/OpenSource/WebKitBuild/Release/jsc (r104339)
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 RefactorSlow
SunSpider:
3d-cube 5.1257+-0.1729 ? 5.1343+-0.1661 ?
3d-morph 7.9799+-0.1251 7.8809+-0.1328 might be 1.0126x faster
3d-raytrace 7.2027+-0.1536 ? 7.3087+-0.1811 ? might be 1.0147x slower
access-binary-trees 1.4642+-0.0386 ? 1.4692+-0.0607 ?
access-fannkuch 5.9084+-0.1461 5.8439+-0.0658 might be 1.0110x faster
access-nbody 3.2489+-0.0731 ? 3.3341+-0.0935 ? might be 1.0262x slower
access-nsieve 2.5019+-0.0657 ? 2.5991+-0.0768 ? might be 1.0389x slower
bitops-3bit-bits-in-byte 1.2405+-0.0210 ? 1.2442+-0.0347 ?
bitops-bits-in-byte 2.2901+-0.0461 ? 2.3759+-0.0670 ? might be 1.0375x slower
bitops-bitwise-and 3.1599+-0.0842 ? 3.2446+-0.0859 ? might be 1.0268x slower
bitops-nsieve-bits 5.3941+-0.1019 ? 5.5444+-0.1485 ? might be 1.0279x slower
controlflow-recursive 1.9828+-0.0420 ? 2.0195+-0.0441 ? might be 1.0185x slower
crypto-aes 7.1185+-0.1815 ? 7.1785+-0.1972 ?
crypto-md5 2.3137+-0.0298 ? 2.3575+-0.0979 ? might be 1.0189x slower
crypto-sha1 2.0928+-0.0222 ? 2.0973+-0.0590 ?
date-format-tofte 9.7970+-0.1966 ? 9.9325+-0.2019 ? might be 1.0138x slower
date-format-xparb 8.9783+-0.2359 ? 9.2142+-0.2212 ? might be 1.0263x slower
math-cordic 6.2663+-0.0740 ? 6.3519+-0.1116 ? might be 1.0137x slower
math-partial-sums 7.3063+-0.0900 ? 7.3593+-0.1571 ?
math-spectral-norm 2.3877+-0.0508 2.3721+-0.0720
regexp-dna 7.7287+-0.1121 ? 7.9375+-0.1571 ? might be 1.0270x slower
string-base64 4.1259+-0.1051 ? 4.3029+-0.1743 ? might be 1.0429x slower
string-fasta 6.7389+-0.1852 ? 6.7413+-0.1487 ?
string-tagcloud 11.2039+-0.2510 ? 11.2372+-0.2963 ?
string-unpack-code 18.8036+-0.3916 18.6886+-0.3871
string-validate-input 5.2554+-0.1911 5.1007+-0.0870 might be 1.0303x faster
<arithmetic> * 5.6775+-0.0268 ? 5.7258+-0.0375 ? might be 1.0085x slower
<geometric> 4.5828+-0.0243 ? 4.6335+-0.0316 ? might be 1.0111x slower
<harmonic> 3.6583+-0.0223 ? 3.7010+-0.0294 ? might be 1.0117x slower
TipOfTree RefactorSlow
V8:
crypto 70.3535+-0.5300 69.9264+-0.5055
deltablue 150.0233+-0.6909 ^ 148.5428+-0.4876 ^ definitely 1.0100x faster
earley-boyer 80.1572+-1.0388 80.1216+-0.9901
raytrace 46.8037+-0.2848 46.3367+-0.4707 might be 1.0101x faster
regexp 101.7672+-0.2735 100.9166+-1.4234
richards 116.2949+-0.6372 ? 117.0661+-0.6229 ?
splay 77.2040+-1.1225 75.9552+-1.2413 might be 1.0164x faster
<arithmetic> 91.8006+-0.1986 91.2665+-0.4255 might be 1.0059x faster
<geometric> * 86.4750+-0.1927 85.9245+-0.4592 might be 1.0064x faster
<harmonic> 81.2885+-0.1920 80.7112+-0.4848 might be 1.0072x faster
TipOfTree RefactorSlow
Kraken:
ai-astar 476.1634+-3.4611 ? 482.6787+-4.4208 ? might be 1.0137x slower
audio-beat-detection 170.4392+-0.8619 ! 172.5479+-0.7078 ! definitely 1.0124x slower
audio-dft 274.1898+-4.2115 ? 277.1584+-3.1662 ? might be 1.0108x slower
audio-fft 105.6598+-0.6479 105.4016+-0.3721
audio-oscillator 247.5320+-1.1655 ? 248.5717+-2.6602 ?
imaging-darkroom 264.8397+-5.9701 ? 266.6395+-7.4122 ?
imaging-desaturate 205.3789+-1.3223 204.8988+-0.4245
imaging-gaussian-blur 478.4543+-1.2024 ? 479.9527+-3.4023 ?
json-parse-financial 54.5162+-0.3954 54.4483+-0.4916
json-stringify-tinderbox 72.5002+-0.3808 ? 72.8039+-1.1618 ?
stanford-crypto-aes 95.3747+-0.6665 ? 95.5523+-0.5005 ?
stanford-crypto-ccm 95.2659+-1.4845 94.8853+-1.2295
stanford-crypto-pbkdf2 177.6325+-0.7361 176.2819+-1.1772
stanford-crypto-sha256-iterative 80.9540+-0.3292 ? 81.4564+-0.3422 ?
<arithmetic> * 199.9215+-0.5246 ? 200.9484+-0.5365 ? might be 1.0051x slower
<geometric> 160.9231+-0.3161 ? 161.4399+-0.4632 ? might be 1.0032x slower
<harmonic> 130.8758+-0.3203 ? 131.1104+-0.3830 ? might be 1.0018x slower
TipOfTree RefactorSlow
All benchmarks:
<arithmetic> 76.3643+-0.1714 ? 76.6173+-0.1991 ? might be 1.0033x slower
<geometric> 20.4876+-0.0643 ? 20.6126+-0.0921 ? might be 1.0061x slower
<harmonic> 6.4382+-0.0382 ? 6.5108+-0.0505 ? might be 1.0113x slower
TipOfTree RefactorSlow
Geomean of preferred means:
<scaled-result> 46.1283+-0.1107 ? 46.2387+-0.1662 ? might be 1.0024x slower
[pizlo at nitroflex bencher]
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