On Tue, 7 Feb 2006 17:54:30 +0100 (CET) "Gerrit Niestijl" <gn@xxxxxxxxx> 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