[linux-audio-dev] latency and P4 hyperthreading?

Steve Harris S.W.Harris at ecs.soton.ac.uk
Tue Jun 3 17:23:01 UTC 2003

On Tue, Jun 03, 2003 at 10:19:15 -0700, Fernando Pablo Lopez-Lezcano wrote:
> The problem is not speed but latency glitches. It certainly should be
> slower than a "real" dual cpu system but it could be slightly faster
> than the same uniprocessor machine with ht turned off. Of course if you
> have latency problems it is not very useful. 

I think its a better win if the kernel understands HT, I have a smp ht
machine and big parallel therads sometime get stuck on different threads of
the same cpu, instead of different cpus. If I had no HT in those cases it
would be faster.

- Steve

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