[Webkit-unassigned] [Bug 84939] Optimize ASCII to UTF16 conversion using SSE2.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=84939





--- Comment #2 from Huang Dongsung <luxtella at company100.net>  2012-04-26 03:45:47 PST ---
I did test html5 spec page.
http://dev.w3.org/html5/spec/single-page.html

There is about 20% improvement.

I tested 5 times before and after.
Loading time is about 24s.

Test Machine : Intel® Xeon(R) CPU X5650 @ 2.67GHz × 6 
Test WebKit : Qt WebKit Upstream

BEFORE
:4.617188
:4.814941
:4.692627
:4.772949
:4.892578
Avg. 4.7580566 ms


AFTER
:3.817139
:3.701904
:3.840820
:3.384277
:3.834961
Avg. 3.7158202 ms

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