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SMP crashing on redhat 64 - Page 2

post #11 of 17
Thread Starter 
I see, so it seems like the problem is solved and once I get a bigadv WU then my ppd will be "normal" i.e. 40K+. I just have to hope I get a bigadv WU next time? Is it random what WU you get?

So another question - why is my ppd affected so much by the gpu folding? I read somewhere that I should set the SMP to use one core less per gpu I'm using, but the SMP seems pretty good at going down to 10/11 threads as needed anyway? Any advice for debugging what's going on with the ppd drop due to gpu? Most people suggest it should be much lower from what I'm reading.

Thanks again!
Edited by stren - 3/11/11 at 4:40pm
     
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post #12 of 17
When you do get a bigadv WU you should be getting 70,000+ PPD with a 980X @ 4.4Ghz and no GPU folding. The current bigadv a5 WU's are 2685,2686,2689,6900 and 6901. I do not know if 2684 has been changed to a5 yet.
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post #13 of 17
Thread Starter 
Also right now I allocate 4 gig of memory which I assumed would be plenty should I be allocating more? I rarely use much more than 6gb memory and when I do I can always turn folding off for a while so that would leave 12 gb free for folding.
     
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post #14 of 17
4GB should be enough... but triple-channel would get more PPD than dual-channel (in most cases), so if that's an option, do that.
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post #15 of 17
Thread Starter 
I have 6 dimms filled (3*4gb + 3*2gb) so it's triple channel anyway right? Unless I'm confused and you're saying fah won't space out it's memory usage to all three channels unless you give it some memory allocation that is divisible by three?

I think given the big hit I have with the gpus I'll just stick to cpu folding for now and save some power

Thanks again
     
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post #16 of 17
Oh, nah, you'll be fine then.
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post #17 of 17
Thread Starter 
Another stupid question - can I continue a work unit using the windows client in win 7 64 pro if I make sure my folding directory is visible to both OS's?

Right now 80-90% of my time is in linux, but when I game I use windows, and this way I'd have less folding downtime
     
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