> > > > Performance and latency is different things. In audio we accept all > > latencies below 30ms (I think), less than that does not gain anything. > > > > But we can gain bandwith by using longer bursts, thus a higher latency > > (within bounds) gives us greater performance. > > no, this is not really accurate. > > the PCI latency timer determines how long a device may own the PCI bus > for, it has nothing to do with audio latency. therefore, if your system > allowed the video interface to hog the PCI bus for a relatively long > time, but limited the audio interface to only short periods of bus > ownership, then audio performance will suffer. > > the script i posted first resets *all* devices to an acceptable > middle-of-the-road timer setting, then specifically allows the audio > interfaces to own the bus for even longer. > Thanks, Paul. Really useful info! James _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user
