Terrible FPU performance

Dan Goodman dg.gmane at thesamovar.net
Tue Apr 26 21:14:43 CEST 2011


Hi,

On 26/04/2011 15:40, Mihai Badoiu wrote:
 > I have terrible performance for multiplication when one number gets very
 > close to zero.  I'm using cython by writing the following code:

This might be an issue with denormal numbers:

http://en.wikipedia.org/wiki/Denormal_number

I don't know much about them though, so I can't advise any further than 
that...

Dan




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