[Webkit-unassigned] [Bug 75199] The ArgumentCount field in the CallFrame should have its payload left blank for other uses
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sat Dec 24 14:35:29 PST 2011
https://bugs.webkit.org/show_bug.cgi?id=75199
--- Comment #1 from Filip Pizlo <fpizlo at apple.com> 2011-12-24 14:35:29 PST ---
This looks neutral.
Benchmark report for SunSpider, V8, and Kraken on bigmac (MacPro5,1).
VMs tested:
"TipOfTree" at /Volumes/Data/pizlo/quinary/OpenSource/WebKitBuild/Release/jsc (r103662)
"ArgCountPayload" at /Volumes/Data/pizlo/OpenSource/WebKitBuild/Release/jsc (r103662)
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 ArgCountPayload
SunSpider:
3d-cube 5.8577+-0.0457 ! 6.1934+-0.0206 ! definitely 1.0573x slower
3d-morph 8.8313+-0.1031 ^ 8.4641+-0.1097 ^ definitely 1.0434x faster
3d-raytrace 7.6188+-0.0820 7.5398+-0.0692 might be 1.0105x faster
access-binary-trees 1.5984+-0.0099 ? 1.6007+-0.0094 ?
access-fannkuch 7.5037+-0.0104 ! 7.5936+-0.0556 ! definitely 1.0120x slower
access-nbody 3.9462+-0.0071 ? 3.9515+-0.0097 ?
access-nsieve 3.1351+-0.0515 3.1251+-0.0432
bitops-3bit-bits-in-byte 1.2467+-0.0142 ? 1.2561+-0.0157 ?
bitops-bits-in-byte 5.1008+-0.0512 5.0160+-0.0468 might be 1.0169x faster
bitops-bitwise-and 3.2987+-0.0206 3.2855+-0.0047
bitops-nsieve-bits 5.6916+-0.0538 5.6454+-0.0493
controlflow-recursive 2.3411+-0.0128 2.3335+-0.0101
crypto-aes 7.4948+-0.0339 ? 7.5048+-0.0352 ?
crypto-md5 2.4716+-0.0193 ? 2.4782+-0.0201 ?
crypto-sha1 2.2424+-0.0214 ? 2.2488+-0.0240 ?
date-format-tofte 10.4520+-0.0772 ? 10.5273+-0.1198 ?
date-format-xparb 9.8497+-0.0642 ! 10.4410+-0.1977 ! definitely 1.0600x slower
math-cordic 7.2277+-0.0559 ? 7.3120+-0.1018 ? might be 1.0117x slower
math-partial-sums 10.4219+-0.0092 ? 10.4440+-0.0387 ?
math-spectral-norm 2.6396+-0.0052 ? 2.6407+-0.0100 ?
regexp-dna 8.8854+-0.0963 ? 8.9600+-0.0721 ?
string-base64 4.3374+-0.0303 4.2874+-0.0239 might be 1.0117x faster
string-fasta 7.2840+-0.0705 7.2219+-0.0147
string-tagcloud 12.4754+-0.0461 12.3926+-0.0597
string-unpack-code 20.3865+-0.0978 ? 20.4062+-0.0888 ?
string-validate-input 5.6296+-0.0324 5.6070+-0.0285
<arithmetic> * 6.4603+-0.0212 ? 6.4799+-0.0159 ? might be 1.0030x slower
<geometric> 5.2604+-0.0202 ? 5.2714+-0.0161 ? might be 1.0021x slower
<harmonic> 4.1714+-0.0204 ? 4.1782+-0.0181 ? might be 1.0016x slower
TipOfTree ArgCountPayload
V8:
crypto 78.0675+-0.3137 77.8171+-0.3602
deltablue 171.4637+-0.5150 ^ 167.6141+-0.3777 ^ definitely 1.0230x faster
earley-boyer 99.2320+-1.2425 ? 99.3733+-1.2785 ?
raytrace 52.1713+-0.4113 ^ 51.4091+-0.2221 ^ definitely 1.0148x faster
regexp 120.9003+-0.5036 ! 122.1827+-0.3873 ! definitely 1.0106x slower
richards 138.0955+-0.2675 ? 138.9790+-0.9531 ?
splay 88.9065+-0.6555 ! 92.0309+-2.2569 ! definitely 1.0351x slower
<arithmetic> 106.9767+-0.2359 ? 107.0580+-0.4154 ? might be 1.0008x slower
<geometric> * 100.3999+-0.2618 ? 100.5686+-0.4412 ? might be 1.0017x slower
<harmonic> 93.7660+-0.2931 ? 93.8409+-0.4177 ? might be 1.0008x slower
TipOfTree ArgCountPayload
Kraken:
ai-astar 818.8230+-10.7242 ? 821.6242+-12.1917 ?
audio-beat-detection 191.3774+-0.3651 ? 191.4837+-0.4960 ?
audio-dft 274.9830+-2.6713 ? 275.4426+-2.8746 ?
audio-fft 119.6430+-1.0735 119.6197+-0.6903
audio-oscillator 283.8881+-3.1189 280.9616+-1.9885 might be 1.0104x faster
imaging-darkroom 301.1023+-6.3739 299.9262+-6.4462
imaging-desaturate 230.0989+-0.1701 ? 230.1786+-0.1203 ?
imaging-gaussian-blur 519.3550+-0.2594 ? 520.1332+-2.0884 ?
json-parse-financial 72.1991+-0.3767 ^ 70.7429+-0.2089 ^ definitely 1.0206x faster
json-stringify-tinderbox 81.6776+-0.1959 81.6460+-0.2903
stanford-crypto-aes 118.9614+-0.3827 ^ 118.1380+-0.4393 ^ definitely 1.0070x faster
stanford-crypto-ccm 115.5464+-0.7556 ^ 113.8675+-0.8451 ^ definitely 1.0147x faster
stanford-crypto-pbkdf2 229.9377+-0.6722 ? 230.4209+-0.7746 ?
stanford-crypto-sha256-iterative 95.0573+-0.1615 95.0260+-0.2973
<arithmetic> * 246.6179+-1.0310 246.3722+-1.1658 might be 1.0010x faster
<geometric> 192.1019+-0.4651 191.4509+-0.5324 might be 1.0034x faster
<harmonic> 156.2700+-0.2787 ^ 155.3966+-0.2632 ^ definitely 1.0056x faster
TipOfTree ArgCountPayload
All benchmarks:
<arithmetic> 92.9671+-0.3387 92.9169+-0.3713 might be 1.0005x faster
<geometric> 23.8337+-0.0701 ? 23.8431+-0.0644 ? might be 1.0004x slower
<harmonic> 7.3471+-0.0353 ? 7.3582+-0.0314 ? might be 1.0015x slower
TipOfTree ArgCountPayload
Geomean of preferred means:
<scaled-result> 54.2836+-0.1565 ? 54.3504+-0.1545 ? might be 1.0012x slower
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