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post #351 of 396
Quote:
Originally Posted by 2002dunx View Post

O.K. guys, CPU utilization issues, I tried 0.2 + 0.2 for Nvidia and 0.5 + 0.125 for ATI

BUT CPU usage is around 10% for each NV WU's and only 4% for each ATI WU's !

What am I doing wrong ?
I have a 4C/8T CPU so I wanted to use 6 for the ATI and 2 for the NV, but what values for "NUM" & "AV" ?

TIA

dunx

For bolded above: could you delineate which ratio is for CPU and which for GPU, or are both for Avg, Max on CPU. Hard to tell

POEM does not count the hyperthreaded "cores" as full cores. The most WUs you can run with CPU set to 1.0 is 6. after that it requires decreasing the cpu core ratio. However, in my experience there is little to no difference running at CPU set to 1.0 and cpu set to 0.75 or 0.5.

For CPU utilization: I run 6 tasks on my 7950, with an average utilization in the mid 30s, spikes into mid 40s.
     
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post #352 of 396
cpu + gpu Sorry, just flushing out some WU's to see what the 8 x WU averages work out to...

Trying 0.75 + 0.166 next.

I think it does count them, currently 8 x 0.5 is using 4 threads, and four MW WU 's are busy on the other four...

Thanks for the info !

dunx
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post #353 of 396
If you want to test: Try to set 8 POEM threads going with CPU set to 1.0.

So you are running 6 tasks per 5870? What is your total CPU usage when running all three cards with max tasks?

Also please note that PoEM is bandwidth limited. I dont know if it will happen with those cards but you can run into issues running multiple cards in x8 or x4 PCIe.
     
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post #354 of 396
I had 8 on my HD 7950 and four/five on the GTX 480, but the GTX 480 was hogging 50% of the CPU time, and the 8 WU's were "only" using about 4 to 6%, I think you gave me enough insight to try to balance the workload in a more efficient manner.

I need the HD7950 to pull it's weight, even if that means crippling the GTX 480, which way slower ( x1/2).

Getting there slowly, my HD 5870 is in the HTPC, where it can have a i7 -870 to itself.... too complex to app_info 6x HD7950 + 5x HD 5870 + 5x GTX 480 tongue.gif

Even with two cards I'm at 92% CPU load, so one had to come out ! Thanks for the input.

D.C.

P.S. Asus P6T7WS Revo - 4 of 16X PCI-E slots or seven @ x8 !
Edited by 2002dunx - 11/10/12 at 7:10am
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post #355 of 396
Glad to atleast help a little. Good luck! biggrin.gif
     
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post #356 of 396
I tried 6 x WU's with my 7850 and my PPD dropped to 883K redface.gif
It seems that 7 is the optimal number for me!
 
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post #357 of 396
That is a substantial drop. The delta between 5,6, and 7 tasks for me is relatively small.
     
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post #358 of 396
Hi there guys, can someone please help me with this app_info file. Im running an i5-3570K @ 3.4GHz and a single gtx 670 but cannot get anything back from the server except:
11/11/2012 10:36:39 AM | Poem@Home | Message from server: Your app_info.xml file doesn't have a usable version of POEM++.

I've gone through this entire forum from start to finish but I can't find a single definitive answer for what settings to run.

Here is my current NON WORKING app info that i've pieced together from other posts:

EDIT: YES IT DOES WORK - these settings give me 3 gpu units working on 0.66 cpu's each
You must empty the boinc.fzk.de_poem directory, start boinc, let it find the exe file and THEN restart boinc with the app info file in place - Cheers gamer 11200!!!!
Code:
<app_info>
<app>
<name>poemcl</name>
<user_friendly_name>POEM++ OpenCL</user_friendly_name>
</app>

<file_info>
<name>poemcl_1.3_windows_intelx86__opencl_nvidia_100</name>
<executable/>
</file_info>

<app_version>
<app_name>poemcl</app_name>
<version_num>1</version_num>
<platform>windows_intelx86</platform>
<avg_ncpus>0.66</avg_ncpus>
<max_ncpus>2</max_ncpus>
<flops>2.1e10</flops>
<plan_class>opencl_nvidia_100</plan_class>
<api_version>7.1.0</api_version>
<file_ref>
<file_name>poemcl_1.3_windows_intelx86__opencl_nvidia_100</file_name>
<main_program/>
</file_ref>
<coproc>
<type>NVIDIA</type>
<count>0.33</count>
</coproc>
<cmdline></cmdline>
<gpu_ram>2048.000000</gpu_ram>
</app_version>
</app_info>

Now I think i should use count .33 to run 3 WU on the card, but im unsure about flops, version num, ncpus ave and max.

Am I even close with these settings?

Thanks heaps in advance, I hope this can clear up issues for lots of other people too.
Edited by Genocide_Jim - 11/11/12 at 3:50am
post #359 of 396
Look up single precision Gflops for your card on Nvidia site ( we have found this number to be relatively unimportant, although if it is too high it can increase CPU usage, or cause tasks to fail).

That message can be ignored, it always sends it to me also.

POEM is low on WUs it appears, spam update until it sends you some tasks
Edited by Biorganic - 11/10/12 at 4:07pm
     
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post #360 of 396
Quote:
Originally Posted by Genocide_Jim View Post

Hi there guys, can someone please help me with this app_info file. Im running an i5-3570K @ 3.4GHz and a single gtx 670 but cannot get anything back from the server except:
11/11/2012 10:36:39 AM | Poem@Home | Message from server: Your app_info.xml file doesn't have a usable version of POEM++.
I've gone through this entire forum from start to finish but I can't find a single definitive answer for what settings to run.
Here is my current NON WORKING app info that i've pieced together from other posts:
Code:
<app_info>
<app>
<name>poemcl</name>
<user_friendly_name>POEM++ OpenCL</user_friendly_name>
</app>
<file_info>
<name>poemcl_1.3_windows_intelx86__opencl_nvidia_100</name>
<executable/>
</file_info>
<app_version>
<app_name>poemcl</app_name>
<version_num>1</version_num>
<platform>windows_intelx86</platform>
<avg_ncpus>0.66</avg_ncpus>
<max_ncpus>2</max_ncpus>
<flops>2.1e10</flops>
<plan_class>opencl_nvidia_100</plan_class>
<api_version>7.1.0</api_version>
<file_ref>
<file_name>poemcl_1.3_windows_intelx86__opencl_nvidia_100</file_name>
<main_program/>
</file_ref>
<coproc>
<type>NVIDIA</type>
<count>0.33</count>
</coproc>
<cmdline></cmdline>
<gpu_ram>2048.000000</gpu_ram>
</app_version>
</app_info>
Now I think i should use count .33 to run 3 WU on the card, but im unsure about flops, version num, ncpus ave and max.
Am I even close with these settings?
Thanks heaps in advance, I hope this can clear up issues for lots of other people too.

In the folder that you have put the app_info.xml file in, do you see an executable in there with the name poemcl_1.3_windows_intelx86__opencl_nvidia_100 or similar to that?

I found that you have to run POEM@Home first without any app_info.xml file so the POEM@Home servers will send the required executable(s) for your rig. After that is done, you exit BOINC and apply the app_info.xml file. Also, make sure that the executable's name is the same name in the file_name parameter of your app_info.xml file.
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