[Webkit-unassigned] [Bug 32722] Allow Reserved Words in Property Accessors

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=32722





--- Comment #19 from Oliver Hunt <oliver at apple.com>  2010-01-12 10:11:55 PST ---
(In reply to comment #18)
> (In reply to comment #17)
> > SunSpider actually has a parsing test -- run-sunspider --suite="parse-only" i
> > just fixed it in r53099 can you do your tests with that?
> 
> I did clean rebuids with and without, and then ran the parse-only sunspider
> suite.  the individual runs resulted in numbers that varied enough that the
> results didn't appear significant (sometimes "new" was better, but ~usually~
> "old" was better).  So I ran the parse tests 20 times in a row, read the
> results, and calculated the mean and stdev the same way sunspider does (throw
> out first run).  Here are the results:
> 
> before grammar change:
> 
>                   mootools-1.2.2-core-nc  mean:   7.9  stdev:   1.9
>                             jquery-1.3.2  mean:   7.7  stdev:   1.6
>                        prototype-1.6.0.3  mean:   9.1  stdev:   2.6
>         concat-jquery-mootools-prototype  mean:  24.8  stdev:   2.4
> 
> 
> after grammar change:
> 
>                   mootools-1.2.2-core-nc  mean:   7.9  stdev:   1.8
>                             jquery-1.3.2  mean:   7.8  stdev:   2.1
>                        prototype-1.6.0.3  mean:   9.7  stdev:   3.4
>         concat-jquery-mootools-prototype  mean:  26.4  stdev:   4.3
> 
> the grammar change seems slower, though the stdev is larger for the slower
> results as well.
> 
> No chance we can get a higher resolution timer, is there?

put --runs 30 into the commandline, make sure you're not running anything else,
and use sunspider-compare-results to do the actual comparison

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