[linux-audio-user] Graphics card an realtime performance

[Florian Schmidt]

On Tue, 7 Feb 2006 17:54:30 +0100 (CET)
"Gerrit Niestijl" <gn at hetnet.nl> wrote:

> Hi all,
> 
> Could a better graphics card result in better realtime performance? I can
> get a good realtime performance on my box (buffersize 64 and less) but
> when using X some display activity seems to cause xruns. E.g sooperlooper
> is far more usable without it's gui.
> 
> This is on a pentium3 600Mhz PC, running gentoo kernel 2.6.14 with rt22
> patch applied. I also prioritize the irq's as documented on this list. The
> graphics card is a Nvidia Vanta LT with 16 Mb memory.

What software do you use? I assume JACK? If so, setting up the irq's is
not enough. You also need to run jackd with the right prio (below
soundcard irq, but above all others)

See 

http://tapas.affenbande.org/?page_id=40

for a little more exhaustive info.

Regards,
Flo

-- 
Palimm Palimm!
http://tapas.affenbande.org