[Webkit-unassigned] [Bug 75528] Optimize the multiply-add in Biquad.cpp::process

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=75528





--- Comment #42 from xingnan.wang at intel.com  2012-03-18 20:23:38 PST ---
(In reply to comment #41)
> Created an attachment (id=132532)
 --> (https://bugs.webkit.org/attachment.cgi?id=132532&action=review) [details]
> Patch

Re-implemented the pipeline by intrinsics. What surprised me is the performance is much better than assembly code, ~45% with original ~20%(for 128 frames size).

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