Re: low latency

Thanks Brian and Iain for your informative replies, I'll be sure to try 
kernel 2.6 soon. What's all the fuzz then in LAD about VP patches and 
stuff? Is it a further improvement?

> 
> One key to this though, is that you *must* consider cpu spikes when designing
> your csound ensemble. If you suddenly spike over 100%, your system will just
> lock up entirely until cpu use goes down again. What we did was make sure that
> whenever possible any instruments that might be on, are always on, with just an
> inaudible ouput. ( Ie the fancy feedback delays and stuff are always chugging
> away, with just an inaudible 20khz sine wave going through them ). This made a
> very large difference for stabilizing load. I dunno why, but adding the
> inaudible sine wave in all mixer channels dropped cpu spikes and even overall
> use significantly.

I guess when an instrument is instantiated some memory is allocated and 
it is this process that locks the cpu for just a little, but enough to 
cut audio. I also have to do what you describe, or find silent sections 
(between songs, etc.) to do the switching.

Cheers,
Andres


_______________________________________________
csoundtekno mailing list
[email protected]

Subscribe, unsubscribe, change mailing list options:
http://plot.bek.no/mailman/listinfo/csoundtekno