[Webkit-unassigned] [Bug 79441] IPP optimization for functions vsma, vsmul, vadd, vmul and vmaxmgv

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=79441





--- Comment #4 from Gao Chun <chun.gao at intel.com>  2012-02-25 01:17:54 PST ---
Thanks for your comment, it seems there are some conflicts between this patch and patches for bug 77950(sse2 for vsvesq and vmaxmgv), I will resubmit a new patch with change log and performance test report after bug 77950  has been committed.

> > Created an attachment (id=128648)
 --> (https://bugs.webkit.org/attachment.cgi?id=128648&action=review) [details] [details]
> > Implement VectorMath::vsma(), VectorMath::vsmul(), VectorMath::vadd(), VectorMath::vmul() and VectorMath::vmaxmgv() with Intel Integrated Performance Primitives(IPP).
> 
> I have very briefly looked at the changes, which seem ok.  I will give a closer look soon.
> 
> However, there needs to be a change log, and I'd like to see some numbers on how much faster IPP makes these routines compared to either the SSE2 versions or the default versions.
> 
> Also, it might be better to review this after bug 77950 (sse2 for vsvesq and vmaxmgv) has been committed.

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