1) Message boards : News : Finding the best receptors (Message 26406)
Posted 773 days ago by Tom Philippart
thanks for the update,

what drug is the current "given drug"?
2) Message boards : News : New CUDA4.2 applications are out for Kepler GPUs (Message 26079)
Posted 792 days ago by Tom Philippart
i got a unit on a gtx260 (win7 x64 latest boinc and drivers), but i had to abort it as it was making my computer completely unusable with 99% usage.

Is there any way to make it less aggressive? like 90-95% usage or am I doing something wrong?


99% usage of what? If it's a CPU core, try telling BOINC to leave one CPU core free for programs other than BOINC workunits.

If it's the GPU, I haven't found a usable method yet.


it's the gpu usage
3) Message boards : News : New CUDA4.2 applications are out for Kepler GPUs (Message 25867)
Posted 798 days ago by Tom Philippart
i got a unit on a gtx260 (win7 x64 latest boinc and drivers), but i had to abort it as it was making my computer completely unusable with 99% usage.

Is there any way to make it less aggressive? like 90-95% usage or am I doing something wrong?
4) Message boards : News : New windows beta application is out (Message 23166)
Posted 948 days ago by Tom Philippart
problem here: http://www.gpugrid.net/result.php?resultid=4852621
5) Message boards : Graphics cards (GPUs) : GTX 460 Performance (Message 20282)
Posted 1311 days ago by Tom Philippart
i'm still hoping for the new app that is scheduled for mid february, which should improve performance and usage :)
6) Message boards : Graphics cards (GPUs) : New application in preparation (Message 20223)
Posted 1319 days ago by Tom Philippart
great to hear!
7) Message boards : Graphics cards (GPUs) : GT240: Very low GPU utilization #'s (Message 20109)
Posted 1336 days ago by Tom Philippart
I saw that post but I didn't see anything that appeared to apply.

To run GPUGrid tasks on a Fermi GPU find the app_info.xml file and include the following,

<app_info>
<coproc>
<type>CUDA</type>
<count>0.5</count>
</coproc>
</app_info>

but my card is CC1.3 so I believe it isn't Fermi correct?

As to the swan_sync thing where would you put that in /etc/env.d/99boinc? I don't see the process for the project bouncing around CPU's so that doesn't seem like it would help.


I don't think that this is a good idea: setting it to 0.5 will push 2 WUs on the card but the video memory will be too small to support it and it will crash.
8) Message boards : Graphics cards (GPUs) : performance of a gtx460 (Message 20095)
Posted 1337 days ago by Tom Philippart
Are you using all the CPU cores to crunch CPU projects?

If so, try using 99% of the CPUs (basically one less core). This will free up the core and expedite the GPU task. GPU utilization should rise to over 90%

Vista is typically around 11% slower for GPUGrid, with all recommended optimizations applied. 5 or 6 hours would be about right.

56 shaders is not correct, but it is just a reporting error.


I tried it, it didn't change the gpu usage.

What can I do for the app to use more than 56 cores?

What performance numbers are expected from my card?
9) Message boards : Graphics cards (GPUs) : performance of a gtx460 (Message 20092)
Posted 1338 days ago by Tom Philippart
i just noticed this too:

# Number of cores: 56


that seems a bit small
10) Message boards : Graphics cards (GPUs) : performance of a gtx460 (Message 20091)
Posted 1338 days ago by Tom Philippart
I recently bought a gtx460 for the project, however I must say that its performance is rather mediocre. I expected fermi to be faster...

It takes 10-11 hours to complete a WU, with a gpu usage of about 74%
setting swan_sync to 0 gives about 83-84% usage, but still no big jump in performance.

Right now it is on par with my gtx260, is that normal?

Also wikipedia lists 907.2 GFLOPs while boinc sees 363GFLOPs. Did something go wrong?


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