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2684 -bigadv unit or GPU3 causing drop in PPD

post #1 of 8
Thread Starter 
So yesterday, the 9xx units came out again for GPU3. I was finishing a bigadv unit at the time, and noticed some impairment on my 920s performance, but i attributed it to playing some video games. However, while I was out last night I checked my live stats and the new unit I was crunching was at 53 min tpf, which is much lower than my typical 33-35 I see.

My PPD is typically 50k, so I haven't lost much, but still. Here are ly live stats: http://stufolding.webatu.com/summary.html
 
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F@H
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post #2 of 8
2684 is the slowest of the bigadv WU's what you are seeing is normal.
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post #3 of 8
Thread Starter 
Well I guess I'm lucky that my gpus are picking up the slack for the moment. Thanks for the verification. I have heard about the dreaded units, but I've never experienced on before now.
 
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post #4 of 8
16k PPD is not normal even for that unit.
Have you tried -smp 7, it usually helps when having multiple Fermi GPUs.
>.<
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>.<
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post #5 of 8
My i7 930 @ 3.8 Ghz and -smp 7 is getting 16.4k ppd on a 2684
But that is in a rig that does not get touched at all. No mouse, keyboard, monitor, etc. I dont use it for anything but folding.

For a computer that you use, I would say the PPD looks on track for your i7
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post #6 of 8
At 4ghz -smp 7 with 2 GPUs folding.
Avg. Time / Frame : 00:45:41 - 19,946 PPD
>.<
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>.<
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post #7 of 8
Quote:
Originally Posted by LiLChris View Post
At 4ghz -smp 7 with 2 GPUs folding.
Avg. Time / Frame : 00:45:41 - 19,946 PPD
2 GPUs... but it depends on the GPU and how much CPU it is using.
My GX2 uses more than 1 thread at some points... and then there are the windows processes running.
I bet you that 2 460s could probably be chewing more CPU than 2 cores of a GX2, and if you have overflow on to other threads, that puts a big drop on the PPD. Dont those 9xx GPU units use more CPU time that the other GPU3 units?
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post #8 of 8
Quote:
Originally Posted by k4m1k4z3 View Post
2 GPUs... but it depends on the GPU and how much CPU it is using.
My GX2 uses more than 1 thread at some points... and then there are the windows processes running.
I bet you that 2 460s could probably be chewing more CPU than 2 cores of a GX2, and if you have overflow on to other threads, that puts a big drop on the PPD. Dont those 9xx GPU units use more CPU time that the other GPU3 units?
Yea but at -smp 7 is more than enough.
Even with the 9xx units I have 6-10% idle CPU while folding.

My 480 is a CPU hog, and the OP only has 460s which isn't that big of a deal in CPU usage.
He should be getting more at 4ghz even if he uses it for web browsing.
>.<
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>.<
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