Forum > GPU crunching
CPU <-> GPU rebranding
Claggy:
--- Quote from: Frizz23 on 15 Jul 2010, 03:19:50 pm ---I tested ReSchedule1.9 on one of my hosts: An ION based HTPC (Intel Atom CPU + NVIDIA 8400M GPU).
Lots of WUs stopped with errors - this didn't happen before.
Questions:
1) Are SETI GPU tasks different from SETI CPU tasks (smaller, need less memory, etc.) ?
2) The GPU on my ION has 512MB (shared memory). Might this be the problem?
--- End quote ---
1) No, Seti GPU tasks are exactly the same as CPU tasks, but what app(s) are you running? Stock 6.08 and/or 6.09, or optimised V12?, they require different amounts of memory,
2) Maybe, it might be too slow, can you give us a link to the host please, then we can see what type of errors you're got
Claggy
Frizz:
--- Quote from: Claggy on 15 Jul 2010, 03:25:20 pm ---1) No, they are exactly the same as CPU tasks, but what app(s) are you running? Stock 6.08 and/or 6.09, or optimised V12?
2) Maybe, can you give us a link to the host please
Claggy
--- End quote ---
1) I am using MB_6.08_CUDA_V12_VLARKill_FPLim2048.exe ... By the way: 6.09? Is there an optimized app for 6.09?
2) Link to host: http://setiathome.berkeley.edu/show_host_detail.php?hostid=5343396
(no bad WUs have been uploaded yet because of the scheduled outage)
Claggy:
--- Quote from: Frizz23 on 15 Jul 2010, 03:59:17 pm ---
--- Quote from: Claggy on 15 Jul 2010, 03:25:20 pm ---1) No, they are exactly the same as CPU tasks, but what app(s) are you running? Stock 6.08 and/or 6.09, or optimised V12?
2) Maybe, can you give us a link to the host please
Claggy
--- End quote ---
1) I am using MB_6.08_CUDA_V12_VLARKill_FPLim2048.exe ... By the way: 6.09? Is there an optimized app for 6.09?
2) Link to host: http://setiathome.berkeley.edu/show_host_detail.php?hostid=5343396
(no bad WUs have been uploaded yet because of the scheduled outage)
--- End quote ---
1) the stock apps are 6.08 with Cuda 2.0, and 6.09 with Cuda 2.3, the optimised app can be run with Cuda 2.0, Cuda 2.2 or Cuda 2.3 dll's,
for Normal GPU's it's best run the Cuda 2.3 dll's since there is a 30% speed up with those,
but the Ion is relatively new (compared to the V12 app) and quite slow, and no one has done any tweaking to insure it works correctly, (no testers with Ions)
so you might find running one the stock apps a better choice, Sten-Arne reported on Seti Main that it works better,
Claggy
Frizz:
--- Quote from: Claggy on 15 Jul 2010, 04:50:55 pm ---1) the stock apps are 6.08 with Cuda 2.0, and 6.09 with Cuda 2.3, the optimised app can be run with Cuda 2.0, Cuda 2.2 or Cuda 2.3 dll's,
for Normal GPU's it's best run the Cuda 2.3 dll's since there is a 30% speed up with those
Claggy
--- End quote ---
I am curious: I only see "setiathome_enhanced 6.08 (cuda)" tasks in my BOINC manager. Shouldn't I see something like "setiathome_enhanced 6.09 (cuda)" too?
Claggy:
--- Quote from: Frizz23 on 16 Jul 2010, 03:13:51 am ---
--- Quote from: Claggy on 15 Jul 2010, 04:50:55 pm ---1) the stock apps are 6.08 with Cuda 2.0, and 6.09 with Cuda 2.3, the optimised app can be run with Cuda 2.0, Cuda 2.2 or Cuda 2.3 dll's,
for Normal GPU's it's best run the Cuda 2.3 dll's since there is a 30% speed up with those
Claggy
--- End quote ---
I am curious: I only see "setiathome_enhanced 6.08 (cuda)" tasks in my BOINC manager. Shouldn't I see something like "setiathome_enhanced 6.09 (cuda)" too?
--- End quote ---
You're running Anonymous platform, so you'll only see what's referenced in your app_info, you can add Cuda23 and 609 entries as well, but it won't give you any extra speed, or extra Wu's, so don't worry,
if you were running the stock apps, (without an app_info) you might, as long as you had the right drivers and had enough GPU RAM available, then you would also have separate quotas for each app too,
Claggy
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