[Webkit-unassigned] [Bug 30144] MIPS JIT Supports

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=30144





--- Comment #36 from Chao-ying Fu <fu at mips.com>  2009-12-14 10:35:49 PST ---
(In reply to comment #35)
> hi Chao-ying,
> 
> Thanks for the patch, I applied this patch in QT4.6 webkit jsc. It is found
> that CPU used in this version on webkit in more that compared to version
> without JIT patch. I am having some questions regarding this. I am using
> "mips-linux-g++" without -mplt
> -mno-plt options enabled.
> 
> 1. What will be the reason for increased CPU usage ?
I am not sure about this.  Maybe CPU is busier to produce JIT instructions at
run time.

> 2. Can i find any bench marking method for performance computation ?
You can try SunSpider benchmark to check if JIT can shorten the overall time.
Use the demo browser to view
http://www2.webkit.org/perf/sunspider-0.9/sunspider.html and click "Start Now".

> 3. What section of webkit i should see for performances improvement ?
You should see JavaScript performance improvement from webkit.

Thanks for trying the patch!

Regards,
Chao-ying

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