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[Windows 7] Use WinAFC to improve PPD on ATi Rigs  

post #1 of 81
Thread Starter 

Ok, so we know that using ATi GPUs can cause a drop in the PPD of the SMP client. The best way to overcome this is to add the Environmental Variables, and change the SMP client to use 3 cores, and fold on the GPU on the last core. Here is how you make permenent profiles:

And thank you to sks72 & Bal3wolf for helping out.

Method:

1) Use this .reg file to add the Environmental Variables, which will drop the CPU usage of the GPU client to <5%.
*Note: If your gaming performance suffers, use the second .reg file to remove the Variables.

2) Rightclick your shortcut to the SMP client, and click Properties. Change the "-smp" flag to "-smp 3" (or -smp 5/-smp 7 depending on CPU):



3) Now download WinAFC. Extract the files, and open the folder. Open the affinityinput.txt file:



4) First of all, change the "TestMode=1" line to "TestMode=0".

Now, at the bottom of the file, add the following lines:

Quote:
C:\\Program Files (x86)\\Folding@Home Windows SMP Client V1.01\\FahCore* := CPU0+CPU1+CPU2 [priority=normal]
C:\\Users\\[Your User]\\AppData\\Roaming\\Folding@home-gpu\\FahCore_* := CPU3 [priority=high]
NOTE: If using the -local flag, use this line instead of the second one above:
Quote:
C:\\Program Files (x86)\\Folding@home\\Folding@home-gpu\\FahCore_* := CPU3 [priority=high]
That will now set the affinity of the GPU client to the last (now free) core.

5) If you have more than 4 cores, just add CPU3, CPU4 (for an X6), CPU5, CPU6 (for an i7) to the SMP profile, and change the CPU for the GPU client to the last core (the number of CPU cores - 1, since the cores start at core 0).

6) If you're running more than one GPU, make sure to add the appropriate additional lines for those folders too.

NOTE: I've added sample affinityinput.txt files for a Quad, X6 and i7 (w/ HT). Make sure to remove the prefix, and change [Your User], to your actual user.
I haven't added one for dual cores, because you won't complete an SMP WU if you only use one core.
Edited by zodac - 6/6/10 at 8:44pm
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post #2 of 81
Nice Zodac

Or--there's always Prifinitty2 for quick and easy click and set profiles without all that ^^ mucking about!
now get back to those books

Cheers

Edited by SpcCdr - 4/23/10 at 1:45pm
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post #3 of 81
Thread Starter 
Quote:
Originally Posted by SpcCdr View Post
Nice Zodac

Or--there's always Prifinitty2 for quick and easy click and set profiles without all that ^^ mucking about!
now get back to those books

Cheers
I was (basically) told to go do this. And what mucking about? I added the .txt files.

And I misplaced my books, so I've got no choice but to make guides on OCN now.
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post #4 of 81
so this method will only work for quad's and greater?
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post #5 of 81
Thread Starter 
It works on dual cores, but you'd be limiting the SMP client to just one core. At that rate, you probably wouldn't be getting many bonus points.
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post #6 of 81
Isee thanks!
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post #7 of 81
LOL! Glad you found someone who could finally help you...I had issues, then I got distracted, then my SMP Client and I had words with eachother (Ok it was really me swearing at it) and yah...I got busy!
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post #8 of 81
So I should keep WinAFC running in the background?
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post #9 of 81
When i run WinAFC it says no processes found for profile [going to my SMP client folder] and no processes for [gpu client folder]

im assuming something's wrong..

edit: never mind got it working! we'll see how it turns out.
Edited by ez12a - 5/4/10 at 11:09pm
 
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post #10 of 81
is something wrong if it says no process found for profile in the winAFC console window? And do I run the F@H client while leaving WinAFC running?
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