[PD] denormals on intel celeron

shift8 shift8 at digitrash.com
Wed Aug 24 02:23:49 CEST 2005


in some caculations for audio (feedback, etc) there can be the creation
of really small or really large numbers.  these numbers can cause cup
usage spikes in some processors when they try to process them.

http://www.musicdsp.org/phpWiki/index.php/What%20is%20a%20denormal%
20number%3F


On Wed, 2005-08-24 at 02:03 +0200, Jerome Tuncer wrote:
> Hi
> 
> It's kind of a beginner question but I'll dare asking:
> 
> What is a denormal? (-:
> 
> 
>> 
> shift8 a écrit :
> > hi all - i'm having really bad denormal problems on a intel celeron
> > 2.4ghz.  pd is from cvs aug 8th.  looked around and found PD_BADFLOAT
> > and PD_BIGORSMALL.  on a lark i defined them and rebuilt, and even
> > though it solved it for a while, but no - i'm still having the same
> > problem.  looked around some more and found those only appear in
> > m_pd.h... anyone know what i can do to fix this?  
> > 
> > thanks... the pain!  the pain!
> > 
> > 
> > _______________________________________________
> > PD-list at iem.at mailing list
> > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
> > 
> > 
> 
> _______________________________________________
> PD-list at iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
> 
-- 





More information about the Pd-list mailing list