[Webkit-unassigned] [Bug 74842] SSE optimization for FFTFrameFFMPEG.cpp::multiply()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=74842





--- Comment #6 from Chris Rogers <crogers at google.com>  2011-12-20 18:33:26 PST ---
vDSP_ctoz and vDSP_ztoc might be useful.  But the FFT algorithm itself is *really* the hotspot.  Do you think it would make sense to create an FFTFrameIPP which calls into an appropriate Intel IPP library FFT function?  We already have one for MKL (FFTFrameMKL), but I've since learned that the IPP library may be more appropriate for media/audio applications.

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