[linux-audio-dev] crusoe ll problems

Martijn Sipkema msipkema at sipkema-digital.com
Fri Feb 21 04:36:01 UTC 2003


> I'm trying to run a low latency kernel and audio applications on a
> crusoe processor laptop.
> 
> Yes, I'm crazy. 

You might want to take a look at the following:
http://www.mindcontrol.org/~hplus/aes-2001

In slide 5/6 three different processors are compared and the 400 MHz
Transmeta Crusoe is said to have a 1000 us interrupt latency whereas
a 600 MHz Intel Celeron processor has a 80 us interrupts latency,
both running BeIA/BeOS. This is probably related to code morphing.
Maybe more recent Crusoes aren't affected.

--ms






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