[linux-audio-dev] Looking for some PR stuff related to Jack

Paul Davis paul at linuxaudiosystems.com
Sat Nov 9 10:23:01 UTC 2002


>1.) What is the lowest stable achievable latency with the current stable
>(2.4) branch of the kernel (with ll and preempt patches) using Alsa on a
>modern system (i.e. at least 1GHz machine)?

total latency: 2.3ms on a dual PII-450MHz, 2.4.19+ll, SCSI, matrox
  g400 video adapter, SCHED_FIFO+mlockall required.

>2.) What is the lowest stable achievable latency utilizing
>
>app<--->jack<--->audio hw
>
>kind of setup on a modern system (i.e. at least 1GHz machine) with the
>current stable (2.4) branch of the kernel (with ll and preempt patches)
>using Alsa?

i can't reliably do better than about 10ms right now on the same setup
as listed above. i am investigating the reasons for this.

--p





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