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Hello, I am having some slight difficulties fully using my GPUs for GFN testing.
Both of my GPUs run at ~50% gpu usage with one task, no heating, clocking or other issues that are occurring. I'm wondering if there is a way to increase the usage of the GPU or if there is away to run two tasks on the same GPU like in SETI.
Thanks! |
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oops, forgot to say that I am using the opencl build |
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Use app_config.xml. This is a file that goes in the projects/www.primegrid.com directory and should have the same ownership and permissions as the other files there. This is the file I use to get multiple PPS Sieve tasks running simultaneously on a single gtx770 in a Linux box:
<app_config>
<app>
<name>pps_sr2sieve</name>
<max_concurrent>4</max_concurrent>
<gpu_versions>
<gpu_usage>0.5</gpu_usage>
<cpu_usage>0.1</cpu_usage>
</gpu_versions>
</app>
</app_config>
Of course for GFN, you would want to replace "pps_sr2sieve" with "genefer" or "genefer_wr". Tweak the numeric values above so that it does something reasonable on your box. I usually restart BOINC after any such change just to ensure the latest changes are read.
You may also want to check that the *CPU* side of the GFN *GPU* app is getting enough cycles to feed the GPU well. On Linux with OpenCL it takes a whole CPU core to feed the GPU.
--Gary
EDIT: you need a relatively recent version of BOINC for this. 6.x.y is definitely too old. |
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Honza Volunteer moderator
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Andrew, if to looked up correctly, we are talking about Windows and BOINC 7.4.42.
Not sure if vbox version of BOINC is the way to go for GPU.
As Gary mentioned, make sure you have enough CPU cycles free, a single core should do.
I'm getting ~95% of HD7950 GPU usage, running short GFN, i5-4670.
3 cores are running GFN on CPU, 4th core is feeding GPU (4-8% CPU usage)
I would also try latest Catalyst driver (just released 15.7 is working fine in my case)
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My stats |
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Got it working by setting up two tasks on a GPU then setting them to 0.499 GPU usage each, o crashes! :) |
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So I put the app_config.xml in use and now want to disable or remove it. I renamed it but am still getting dual GPU jobs running for some reason and even rebooted. I'm sure I'm missing something really small but other than deleting the file is there anything else I need to do? I also thought maybe there was another copy somewhere but it's only in the folder Gary mentioned.
Any help would be appreciated.
Cheers |
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JimBHonorary cruncher
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So I put the app_config.xml in use and now want to disable or remove it. I renamed it but am still getting dual GPU jobs running for some reason and even rebooted. I'm sure I'm missing something really small but other than deleting the file is there anything else I need to do? I also thought maybe there was another copy somewhere but it's only in the folder Gary mentioned.
Let all your jobs finish, detach from PrimeGrid and reattach. That's how I do it.
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So I put the app_config.xml in use and now want to disable or remove it. I renamed it but am still getting dual GPU jobs running for some reason and even rebooted. I'm sure I'm missing something really small but other than deleting the file is there anything else I need to do? I also thought maybe there was another copy somewhere but it's only in the folder Gary mentioned.
Let all your jobs finish, detach from PrimeGrid and reattach. That's how I do it.
Thanks. Will try that in the future. I removed and reinstalled boinc but your solution is better.
Cheers Rick |
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 rroonnaallddVolunteer developer
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So I put the app_config.xml in use and now want to disable or remove it. I renamed it but am still getting dual GPU jobs running for some reason and even rebooted. I'm sure I'm missing something really small but other than deleting the file is there anything else I need to do? I also thought maybe there was another copy somewhere but it's only in the folder Gary mentioned.
Let all your jobs finish, detach from PrimeGrid and reattach. That's how I do it.
Thanks. Will try that in the future. I removed and reinstalled boinc but your solution is better.
Cheers Rick
Does let all jobs finish, rename the xml file and restart boinc not work?
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Best wishes. Knowledge is power. by jjwhalen
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