[LAU] Autotuner for Linux?

fons at kokkinizita.net fons at kokkinizita.net
Wed Nov 11 11:04:24 EST 2009


On Wed, Nov 11, 2009 at 02:55:27PM +0100, Atte André Jensen wrote:

> fons at kokkinizita.net wrote:
> 
> > In autotalent.c, changing line 560:
> > 
> >   psAutotalent->ffttime[ti] = psAutotalent->ffttime[ti] / psAutotalent->ffttime[0];
> > 
> > to
> > 
> >   psAutotalent->ffttime[ti] = psAutotalent->ffttime[ti] / (psAutotalent->ffttime[0] + 1e-10f);
> > 
> > should help.
> 
> Denormals, right? However the problem still remains after applying this 
> fix :-(

Division by very small numbers, possibly resulting in NaN and
friends. Here the change I posted made all the difference, but
I'll look again later tonight.

Ciao,

-- 
FA

Io lo dico sempre: l'Italia è troppo stretta e lunga.




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