Same ppd with SMP or without

194 Views 5 Replies 4 Participants Last post by grunion, Mar 16, 2009

nckid4u

Discussion Starter · Mar 16, 2009

I am folding my two 4830s with gpu2. They put out about 24-2600ppd each. When I run SMP, their production drops so much, the amount my q6600 is folding barely evens out running without it.
What is up with that?

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mortimersnerd

· #2 · Mar 16, 2009

You need to set the priority and affinity so that SMP doesn't choke off the GPU client.

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Tufelhunden

· #3 · Mar 16, 2009

Quote:

Originally Posted by mortimersnerd

You need to set the priority and affinity so that SMP doesn't choke off the GPU client.

Use setpriority to make the fah_core11/14 higher than the smp. I use realtime and hardly notice it most days.

Linky

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nckid4u

Discussion Starter · #4 · Mar 16, 2009

I have been reading some about that. I saw a proggy listed here somewhere that did both, but am having trouble finding it again. I'll keep looking and reading. Thanks for the direction.

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Tufelhunden

· #5 · Mar 16, 2009

Quote:

Originally Posted by nckid4u

I have been reading some about that. I saw a proggy listed here somewhere that did both, but am having trouble finding it again. I'll keep looking and reading. Thanks for the direction.

TBH I never change affinity, but I am using a VMware Linux client and was told it was bad for these to change affinity. I think the one your talking about is setaffinity

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grunion

· #6 · Mar 16, 2009

Search prifinnity

The ATI client use more cpu cycles, so you need to assign smp to 2 cores while giving the ATI client own core.

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