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2x SMP or 1x SMP and 2x GPU2

post #1 of 37
Thread Starter 
As the title states (more of a question I guess) I am trying to decide if it would be worth trying to run two of my 3870's with the GPU2 client (using two of my cores of course to feed them the data) and then run just one SMP on the other two cores or should I just stick with 2x SMPs.

Is the increase heat and power usage worth it?

I have looked around at the PPD for the GPU2 client and it ranges from 1600-2200, is that about right?
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post #2 of 37
I think you can run two SMP and two GPU.

Never tried it, but I've heard of 2xSMP and one GPU. Why wouldn't dual GPUs work?

~Gooda~
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post #3 of 37
ask FahMon what brings more PPD^^

For me it is 1600 - 2000 with GPU2.
Also upto 2000 with SMP but only on all 4 Cores.
On 3 Cores with GPU or 2 Cores it is less than 1500.

So I would say: you should use 2x GPU2 + 1x SMP.
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post #4 of 37
Right now I'm running win dual SMP. Even with these big w/u's I'm still getting 3500ppd. I have seen 5000ppd with the smaller w/u's. As far as I know, dual SMP is still getting the most points. Please correct me if I'm wrong here.
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post #5 of 37
Thread Starter 
Well I had plans to try it, but I keep getting a connection error, seems there are some problems with it working in Vista currently. Hope to try out soon though.
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post #6 of 37
Change your IE settings
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post #7 of 37
- Firewall? -> you have to allow "Folding@home.exe" for GPU2 and "fah.exe", "mpiexec.exe" for SMP.

- make sure all have a different Machine ID

- For dual GPU2 you need:
-- two folders with the apps (copy "C:\\Program Files (x86)\\Folding@home\\Folding@home-gpu" )
-- two links in the start menu, you have to make them NEW (del the old one) to the "Folding@home.exe" in your 2 folders
-- the links have to use the flags "-gpu 0" or "-gpu 1" in the target line
-- the links have to use 1 of the 2 folders each other in the start in line
Edited by MESeidel - 6/13/08 at 4:13pm
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post #8 of 37
Does the gpu client even support CF?
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post #9 of 37
Quote:
Originally Posted by grunion View Post
Does the gpu client even support CF?
good Point!

CF has to be disabled to use multiple GPUs on folding.
With CF on the clients can find only 1 GPU.
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post #10 of 37
Thread Starter 
I have everything setup correctly and Crossfire disabled, I received the following error:

Client-core communications error: ERROR 0xc0000135
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