[Webkit-unassigned] [Bug 71329] DFG inlining breaks function.arguments
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Nov 1 15:06:10 PDT 2011
https://bugs.webkit.org/show_bug.cgi?id=71329
--- Comment #2 from Filip Pizlo <fpizlo at apple.com> 2011-11-01 15:06:10 PST ---
Looks to be performance-neutral.
Benchmark report for SunSpider, V8, and Kraken.
VMs tested:
"TipOfTree" at /Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc
"FixArguments" at /Volumes/Data/pizlo/tertiary/OpenSource/WebKitBuild/Release/jsc
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 FixArguments
SunSpider:
3d-cube 7.6499+-0.2593 7.6162+-0.1762
3d-morph 7.9063+-0.1820 ? 8.0282+-0.0711 ? might be 1.0154x slower
3d-raytrace 7.6961+-0.1969 ? 7.7956+-0.2230 ? might be 1.0129x slower
access-binary-trees 1.6078+-0.0605 ? 1.7233+-0.0965 ? might be 1.0718x slower
access-fannkuch 6.6464+-0.1293 6.5501+-0.1310 might be 1.0147x faster
access-nbody 3.9135+-0.1152 3.7795+-0.1050 might be 1.0355x faster
access-nsieve 2.7246+-0.0600 2.6066+-0.0895 might be 1.0452x faster
bitops-3bit-bits-in-byte 1.3250+-0.0306 ? 1.3508+-0.0338 ? might be 1.0195x slower
bitops-bits-in-byte 2.3868+-0.0435 ? 2.4308+-0.0609 ? might be 1.0184x slower
bitops-bitwise-and 3.4625+-0.0592 ? 3.4809+-0.1118 ?
bitops-nsieve-bits 5.5378+-0.1221 5.5309+-0.1361
controlflow-recursive 2.1887+-0.0393 2.1593+-0.0368 might be 1.0136x faster
crypto-aes 7.9143+-0.2241 7.7961+-0.2043 might be 1.0152x faster
crypto-md5 2.7922+-0.0625 ? 2.7973+-0.1063 ?
crypto-sha1 2.5486+-0.0869 2.5365+-0.0548
date-format-tofte 10.8129+-0.4533 10.3446+-0.3227 might be 1.0453x faster
date-format-xparb 9.0835+-0.2038 ? 9.5358+-0.4901 ? might be 1.0498x slower
math-cordic 6.5703+-0.1055 ? 6.7803+-0.1592 ? might be 1.0320x slower
math-partial-sums 7.7829+-0.1472 7.7043+-0.1182 might be 1.0102x faster
math-spectral-norm 2.6944+-0.0389 ^ 2.5631+-0.0418 ^ definitely 1.0513x faster
regexp-dna 11.9887+-0.2775 11.8429+-0.2067 might be 1.0123x faster
string-base64 4.2709+-0.2253 ? 4.3151+-0.1974 ? might be 1.0103x slower
string-fasta 6.5787+-0.1493 ? 6.6469+-0.2670 ? might be 1.0104x slower
string-tagcloud 12.0964+-0.5036 ? 12.1212+-0.2836 ?
string-unpack-code 21.3786+-0.5177 ? 21.5614+-0.5279 ?
string-validate-input 5.4997+-0.1880 5.3993+-0.1570 might be 1.0186x faster
<arithmetic> * 6.3484+-0.0278 6.3460+-0.0306
<geometric> 5.1016+-0.0212 5.0982+-0.0284
<harmonic> 4.0599+-0.0298 ? 4.0683+-0.0353 ?
TipOfTree FixArguments
V8:
crypto 75.1757+-0.3731 ? 75.2230+-0.3923 ?
deltablue 169.7191+-1.1452 ? 170.4428+-0.9564 ?
earley-boyer 91.8773+-0.5745 ? 92.1749+-0.4571 ?
raytrace 64.9346+-0.9143 64.6376+-0.7337
regexp 107.6506+-0.3287 ! 109.3592+-0.3937 ! definitely 1.0159x slower
richards 128.6929+-0.4510 128.4158+-0.4081
splay 74.1930+-1.5509 ? 74.5736+-1.1579 ?
<arithmetic> 101.7490+-0.2789 ? 102.1181+-0.2964 ?
<geometric> * 96.5442+-0.2892 ? 96.8561+-0.3205 ?
<harmonic> 92.0604+-0.3245 ? 92.3077+-0.3561 ?
TipOfTree FixArguments
Kraken:
ai-astar 508.4903+-3.3297 ^ 499.9517+-1.4941 ^ definitely 1.0171x faster
audio-beat-detection 194.7723+-2.8623 193.5630+-2.1211
audio-dft 282.1170+-2.5872 279.8534+-2.8109
audio-fft 126.9287+-0.9359 ? 127.5717+-0.9902 ?
audio-oscillator 255.2655+-1.3368 ? 256.5465+-1.9383 ?
imaging-darkroom 307.8138+-4.4949 307.2572+-4.4170
imaging-desaturate 231.2232+-0.7844 230.7775+-1.2691
imaging-gaussian-blur 563.5772+-2.1326 560.4199+-2.0540
json-parse-financial 57.7405+-0.3588 ! 58.8814+-0.2778 ! definitely 1.0198x slower
json-stringify-tinderbox 70.7785+-0.5569 ^ 69.2321+-0.4219 ^ definitely 1.0223x faster
stanford-crypto-aes 99.3010+-0.7644 98.6047+-1.5776
stanford-crypto-ccm 101.8039+-0.6532 ? 101.9548+-1.0385 ?
stanford-crypto-pbkdf2 197.2721+-1.2126 ? 198.6930+-1.7125 ?
stanford-crypto-sha256-iterative 82.6257+-0.4992 ^ 81.1939+-0.4549 ^ definitely 1.0176x faster
<arithmetic> * 219.9793+-0.6961 ^ 218.8929+-0.3694 ^ definitely 1.0050x faster
<geometric> 174.5806+-0.5142 173.9682+-0.3012
<harmonic> 139.5624+-0.3978 139.1772+-0.3166
TipOfTree FixArguments
All benchmarks:
<arithmetic> 84.1917+-0.1979 83.9218+-0.1213
<geometric> 22.6422+-0.0496 22.6210+-0.0747
<harmonic> 7.1424+-0.0509 ? 7.1566+-0.0606 ?
TipOfTree FixArguments
Geomean of preferred means:
<scaled-result> 51.2766+-0.1098 51.2409+-0.1156
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