[LAU] motu 828 mkii latency

Pieter Palmers pieterp at joow.be
Wed Feb 13 05:51:04 EST 2008

Roman Muñoz Roncal wrote:
> Hi,
> Thank you, I'm using -rt kernels, of course. Now I know that 8ms is 
> probably ffado's limitation... so I can return the card to my friend and 
> say him about testing it under bigger loads.
That's a good idea.

> He says that 8ms is better than that he's getting with the same card 
> with vista. somewhat about 20 ms if I recall it correctly
I'm pretty confident that we are competitive with the other OS'es.

We should be able to achieve even lower latencies in the future, but 
currently that's not a priority.



> Best regards,
> Roman
> Pieter Palmers wrote:
>> Use realtime priority and a RT patched kernel.
>> Note that FFADO isn't supposed to work at very low latencies at the 
>> moment. I'd say 3x128 (=8ms) is about the limit of the current 
>> version. Will be better on the long run, but at the moment that's it.
>> Greets,
>> Pieter

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