[linux-audio-user] latency issues

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one more note:  i'm using pd (version 0.37 TEST 8) for all my realtime 
audio, and the best i can get it to do is 16 ms latency.  removing eth0 
and it's modules does not improve performance.

On Mon, 6 Oct 2003 dwillis@xxxxxxxxxx wrote:

> two years ago i did a bunch of testing on latency to find the best kernel
> and patches for my system, and got some damn good results with several
> kernels (the best being 2.4.12-ac3-pe (alan cox's patch and pre-emptive
> kernel patch using alsa on suse 7.3 with gcc 2.96 20000731).  i now have a
> new computer with gentoo linux and alsa 0.9.6, and can only get 16 ms
> latency with perfect results.  same soundcard - m-audio audiophile 2496
> (ice1712).  i've used kernel 2.4.20 with pe, ll, and some other options,
> compiling with gcc version 3.2.3 20030422, and i get the same result with
> all of them (as well as without pe or ll).
> 
> does anyone know what the problem could be?  alsa version? gcc version? 
> kernel version? hardware (eth0 and soundcard share irq - never thought to 
> test without eth0 loaded)?  i'd like to get latency under 4 ms.
> 
> thanks for your input,
> dave
> 


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