Summary: | DFG JIT - Where arguments passed are integers, speculate this. | ||||||
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Product: | WebKit | Reporter: | Gavin Barraclough <barraclough> | ||||
Component: | JavaScriptCore | Assignee: | Gavin Barraclough <barraclough> | ||||
Status: | RESOLVED FIXED | ||||||
Severity: | Normal | ||||||
Priority: | P2 | ||||||
Version: | 528+ (Nightly build) | ||||||
Hardware: | Unspecified | ||||||
OS: | Unspecified | ||||||
Attachments: |
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Description
Gavin Barraclough
2011-07-15 14:37:46 PDT
Created attachment 101044 [details]
The patch
TEST COMPARISON FROM TO DETAILS
=============================================================================
** TOTAL **: 1.006x as fast 235.3ms +/- 0.5% 233.8ms +/- 0.3% significant
=============================================================================
3d: - 34.0ms +/- 0.0% 34.0ms +/- 0.0%
cube: - 13.0ms +/- 0.0% 13.0ms +/- 0.0%
morph: - 10.0ms +/- 0.0% 10.0ms +/- 0.0%
raytrace: - 11.0ms +/- 0.0% 11.0ms +/- 0.0%
access: - 26.1ms +/- 3.8% 25.5ms +/- 1.5%
binary-trees: - 4.0ms +/- 0.0% 4.0ms +/- 0.0%
fannkuch: - 14.1ms +/- 6.9% 13.5ms +/- 2.8%
nbody: - 5.0ms +/- 0.0% 5.0ms +/- 0.0%
nsieve: - 3.0ms +/- 0.0% 3.0ms +/- 0.0%
bitops: 1.045x as fast 18.6ms +/- 2.0% 17.8ms +/- 1.7% significant
3bit-bits-in-byte: 1.60x as fast 1.6ms +/- 23.1% 1.0ms +/- 0.0% significant
bits-in-byte: - 5.0ms +/- 0.0% 5.0ms +/- 0.0%
bitwise-and: - 6.0ms +/- 0.0% 5.8ms +/- 5.2%
nsieve-bits: - 6.0ms +/- 0.0% 6.0ms +/- 0.0%
controlflow: - 2.0ms +/- 0.0% 2.0ms +/- 0.0%
recursive: - 2.0ms +/- 0.0% 2.0ms +/- 0.0%
crypto: 1.069x as fast 14.0ms +/- 0.0% 13.1ms +/- 1.7% significant
aes: 1.111x as fast 9.0ms +/- 0.0% 8.1ms +/- 2.8% significant
md5: - 3.0ms +/- 0.0% 3.0ms +/- 0.0%
sha1: - 2.0ms +/- 0.0% 2.0ms +/- 0.0%
date: - 30.0ms +/- 0.0% 30.0ms +/- 0.0%
format-tofte: - 18.0ms +/- 0.0% 18.0ms +/- 0.0%
format-xparb: - 12.0ms +/- 0.0% 12.0ms +/- 0.0%
math: ?? 22.5ms +/- 1.7% 22.8ms +/- 1.3% not conclusive: might be *1.013x as slow*
cordic: - 8.0ms +/- 0.0% 8.0ms +/- 0.0%
partial-sums: ?? 11.5ms +/- 3.3% 11.8ms +/- 2.6% not conclusive: might be *1.026x as slow*
spectral-norm: - 3.0ms +/- 0.0% 3.0ms +/- 0.0%
regexp: - 14.1ms +/- 1.6% 14.0ms +/- 0.0%
dna: - 14.1ms +/- 1.6% 14.0ms +/- 0.0%
string: ?? 74.0ms +/- 0.8% 74.6ms +/- 0.5% not conclusive: might be *1.008x as slow*
base64: - 8.0ms +/- 0.0% 8.0ms +/- 0.0%
fasta: - 10.0ms +/- 0.0% 10.0ms +/- 0.0%
tagcloud: ?? 18.6ms +/- 2.0% 18.9ms +/- 1.2% not conclusive: might be *1.016x as slow*
unpack-code: - 28.0ms +/- 0.0% 28.0ms +/- 0.0%
validate-input: ?? 9.4ms +/- 3.9% 9.7ms +/- 3.6% not conclusive: might be *1.032x as slow*
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