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*Updated* AMD GPU Folding on 12.11 beta drivers and 13.1 WHQL drivers - Page 9

post #81 of 365
Quote:
Originally Posted by tictoc View Post

You are now at the point where this thread began. When the 12.11 Beta was released AMD made changes to the opencl driver that led to the gpu capping out at anywhere from 30-60% usage. If you go back to the OP I described your exact problem, and the problem of everyone that upgraded to the 12.11 Beta driver.

The 12.11 Beta driver can leave remnants, even after it is uninstalled, that cap the gpu usage. A normal driver uninstall/re-install will not remove everything from the 12.11 Beta driver. I use Atiman to uninstall the 12.11 Beta drivers, and it has worked every time. FYI I have uninstalled/reinstalled the Beta drivers drivers at least 20 times testing different configurations.
On the first page of this thread infected_ had problems with the 12.11 Beta driver not getting completely uninstalled. Ultimately he had to do multiple runs of Atiman to get the driver completely removed from his system.
Alternatively, if you have system restore turned on, you could do a system restore to a time before you had the Beta drivers installed.
*OP updated with my current instructions for using the Beta drivers.*

I'll give atiman a shot and see what happens. Fusion just did not get everything
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post #82 of 365
Quote:
Originally Posted by Bal3Wolf View Post

looks to be working right might wanna leave 1 core free for the gpu to get most ppd out of it.

Care to elaborate? redface.gif
I understand what you mean, but how to do? and how does that effect PPD positively? Noob folder here graduated.gif
Edited by InsideJob - 12/13/12 at 12:18pm
post #83 of 365
Quote:
Originally Posted by InsideJob View Post

Quote:
Originally Posted by Bal3Wolf View Post

looks to be working right might wanna leave 1 core free for the gpu to get most ppd out of it.

Care to elaborate? redface.gif
I understand what you mean, but how to do? and how does that effect PPD positively? Noob folder here graduated.gif

AMD cards uses a good 30% of cpu power to fold on. So if you're folding on all cores AND GPU, PPD drops on both considerably.

Off the top of my head I think you switch your client to Advanced view and then configure your SMP folding to use only 3 cores (assuming you're on 4 cores).
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post #84 of 365
I'm going to be re-installing windows as of now. I managed to find my 160GB hdd and will be installing the modded drivers right off the bat so as to avoid having any of the original AMD drivers on there. will let know what happens
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post #85 of 365
How do I get my SMP restricted to 3 cores? I've tried setting it in the advanced config menu in the slots tab. Doesn't appear to have worked as in performance monitor I'm seeing all 4 cores still at 100% use when I set it to use 3 cores, and when I set it to use 2 cores it drops overall cpu usage drop to around 80% with all 4 cores still in use.
Edited by InsideJob - 12/13/12 at 4:36pm
post #86 of 365
Its under the Slot tab. Click the SMP slot, Edit and another screen will come up with an option to change the # of threads.

Doesn't Stanford suggest an even # of threads? Altho I've seen people try 5 threads with 2 AMD cards.
post #87 of 365
Quote:
Originally Posted by InsideJob View Post

How do I get my SMP restricted to 3 cores? I've tried setting it in the advanced config menu in the slots tab. Doesn't appear to have worked as in performance monitor I'm seeing all 4 cores still at 100% use when I set it to use 3 cores, and when I set it to use 2 cores it drops overall cpu usage drop to around 80% with all 4 cores still in use.

Well ya... 3 cores folding smp, 1 core folding GPU. They will look like 100%. Better way to do is to pause just the GPU and see if CPU usage is only 75% when folding just SMP.
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post #88 of 365
Ah okay, I guess I was just confused if the GPU was using 100% of that 4th core or what.
post #89 of 365
Thread Starter 
Quote:
Originally Posted by InsideJob View Post

How do I get my SMP restricted to 3 cores? I've tried setting it in the advanced config menu in the slots tab. Doesn't appear to have worked as in performance monitor I'm seeing all 4 cores still at 100% use when I set it to use 3 cores, and when I set it to use 2 cores it drops overall cpu usage drop to around 80% with all 4 cores still in use.

Your CPU will still be at close to 100% when set to smp-3. This is because the gpu is using one core, or roughly 25%, and the other 3 cores, or 75%, are being used to fold smp.
When you set it to smp-2 you are restricting the smp folding to 2 cores or 50%, and the gpu is using the other 30%. Thus, the 80% usage on your CPU.

The v7 client does not use core affinity locking by default and that is why you are seeing work being done on all four cores. The windows scheduler is moving the process around from core to core. I have not tried to use core affinity locking, and the folding results of parking certain workloads on certain cores seems to be mixed.
Quote:
Originally Posted by mmonnin View Post

Its under the Slot tab. Click the SMP slot, Edit and another screen will come up with an option to change the # of threads.
Doesn't Stanford suggest an even # of threads? Altho I've seen people try 5 threads with 2 AMD cards.

I have been folding with smp-5 for two months with no problems. smp-3 should not be a problem. It is only higher values like smp-7 that have problems with some WU's.
post #90 of 365
I shall try core affinity while on SMP3 and see differences in PPD and time to completion etc on some WU and post my results smile.gif
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