[PD] P4 optimisation [for Linux?]

Johannes Taelman Johannes.Taelman at rug.ac.be
Sat May 24 21:57:45 CEST 2003


Hi Derek, list,

> derek at x-i.net schrieb:
>
> > has a lot to do with signals which are very near zero, but not quite.
> > johannes taelman told me the technical name for this, but i have
> > forgotten it... "denormal numbers", maybe ....

Yup, that was what I was talking about at pdStaminee. I don't think it
explains 100% of the cpu load variations. CPU cache management decisions
may be another cause.

Here's an overview of denormal handling:
http://www.musicdsp.org/files/denormal.pdf

and
http://phonophunk.phreakin.com/p4denormal.html

mvg,
 j#|@




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