[Webkit-unassigned] [Bug 75522] Enable IPP for FFTFrame

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=75522





--- Comment #13 from Raymond Toy <rtoy at chromium.org>  2012-01-10 10:52:48 PST ---
(In reply to comment #12)
> Created an attachment (id=121794)
 --> (https://bugs.webkit.org/attachment.cgi?id=121794&action=review) [details]
> Patch
> 
> Update the patch as the convolution layout test updated, new result:
> Tests ConvolverNode processing a mono channel with mono impulse response.
> 
> On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
> 
> PASS Initial latency of convolver is silent.
> PASS Triangular portion of convolution is correct.
> FAIL First part of tail of convolution is not sufficiently small: 0.00244140625 dB

This is way too large.  This corresponds to a max tail value of about 44100.  (0 dB = 1, relative to max of the triangle.)  The expected value should be less than -146 dB.  Something is messed up.  Perhaps the test is wrong?

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