Re: [LAU] Finding/fixing denormals?

From: Ken Restivo <ken@email-addr-hidden>
Date: Thu Dec 24 2009 - 08:09:06 EET

On Thu, Dec 24, 2009 at 08:32:33AM +1100, cal wrote:
> Ken Restivo wrote:
> > Any general advice for the non-DSP-literate on finding/fixing denormals?
>
> I found this LAD post helpful.
> <http://lists.linuxaudio.org/pipermail/linux-audio-dev/2009-August/024707.html>
> The whole thread is worth a read - starts here ...
> <http://lists.linuxaudio.org/pipermail/linux-audio-dev/2009-August/024704.html>

Thanks. I fixed it by trial and error: I added 1e-10 to the expression that copied each byte from the buffer, at the very top of the whirl function. Denormals gone, Beatrix uses 5% of my 1.6Ghz 32-bit EEE, at most. :-)

-ken
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Received on Thu Dec 24 12:15:06 2009

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