Message boards :
Graphics cards (GPUs) :
Application for Multi GPU
Message board moderation
| Author | Message |
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[AF>HFR>RR] Jim PROFITSend message Joined: 3 Jun 07 Posts: 107 Credit: 31,331,137 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]()
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For the moment i have a GTX 260 and 280. I would like to knon if it's possible to put them together? If this is the case, it seems to me to have read in a post on the forum, that you could put an application for this purpose. Is this true and when i can expected to made some test? Jim PROFIT |
MJHSend message Joined: 12 Nov 07 Posts: 696 Credit: 27,266,655 RAC: 0 Level ![]() Scientific publications ![]()
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For the moment i have a GTX 260 and 280. The current BOINC client (6.3.8) should detect multiple GPUs and run one GPUGRID instance per device. However, we have not yet tested this feature so cannot guarantee that it will work. MJH |
GDFSend message Joined: 14 Mar 07 Posts: 1958 Credit: 629,356 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() |
For the moment i have a GTX 260 and 280. If you are ready, we are ready. gdf |
[AF>HFR>RR] Jim PROFITSend message Joined: 3 Jun 07 Posts: 107 Credit: 31,331,137 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]()
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I must find some time in the week, may be for this week-end! I will try it on Ubuntu and Windows if i can keep the GTX 280. Jim PROFIT |
[FVG] baxSend message Joined: 18 Jun 08 Posts: 29 Credit: 17,772,874 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]()
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The current BOINC client (6.3.8) should detect multiple GPUs and run one GPUGRID instance per device. However, we have not yet tested this feature so cannot guarantee that it will work. Hi, I tested BOINC 6.3.8 on UBUNTU with 2 GPUs (nVidia drivers 177.13). Boinc client really detects 2 GPUs but does not run them together (8400 GS and 8800 GTS, both already tested on GPUGrid positively). If U prefer I've also a 8800 GTX to be used instead of 8400. I aborted calculations, need suggestions. How can I report something to U ? P.S. I tested also on windows VISTA 32 but BOINC 6.3.8 detects only main coprocessor (GPU, 8800 GTS) - (nVidia drivers 177.35) |
GDFSend message Joined: 14 Mar 07 Posts: 1958 Credit: 629,356 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() |
The current BOINC client (6.3.8) should detect multiple GPUs and run one GPUGRID instance per device. However, we have not yet tested this feature so cannot guarantee that it will work. Any two would be fine at this point to test. The current client should try to run two workunits at the time if the client recognize two GPUs. Does it happen? gdf |
UBT - NaRyanSend message Joined: 16 Jul 08 Posts: 68 Credit: 1,242,980 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]()
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Does the Windows version not support multigpu? As I have 2 8800GT's, Boinc lists them both when it starts up, however only 1 task ever runs. Down with the Kredit Kops!!! |
GDFSend message Joined: 14 Mar 07 Posts: 1958 Credit: 629,356 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() |
Does the Windows version not support multigpu? This is something to start off with. So, you are on client 6.3.8. Can you paste here the message where the client report two GPUs? The application should work. gdf |
UBT - NaRyanSend message Joined: 16 Jul 08 Posts: 68 Credit: 1,242,980 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]()
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Does the Windows version not support multigpu? When I run Boinc v6.3.8 after the "development" warning, and it's listing of my Computer info it shows: CUDA devices found Coprocessor: GeForce 8800 GT (1) Coprocessor: GeForce 8800 GT (1) Down with the Kredit Kops!!! |
Krunchin-Keith [USA]Send message Joined: 17 May 07 Posts: 512 Credit: 111,288,061 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Does the Windows version not support multigpu? I would suggest turning on debug flags for the scheduler. When I did this I got messages like this 8/20/2008 12:56:04 PM||insufficient coproc CUDA (1 + 1 > 1) Which for me is correct since I only have 1 GPU it can not run 2. This probably would help find out why it will not run 2. |
UBT - NaRyanSend message Joined: 16 Jul 08 Posts: 68 Credit: 1,242,980 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]()
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I would suggest turning on debug flags for the scheduler. When I did this I got messages like this Is that what is explained at http://boinc.berkeley.edu/wiki/Client_configuration , in the CPU scheduling bit? Down with the Kredit Kops!!! |
Krunchin-Keith [USA]Send message Joined: 17 May 07 Posts: 512 Credit: 111,288,061 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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I would suggest turning on debug flags for the scheduler. When I did this I got messages like this Yes. Basiccaly you need to do this, note this will generate a lot of messages in your log. You should exit the core client and manager Create in you boinc data directory if not present the file cc_config.xml If you already have one add (edit) into it in the approptriate section. <cc_config> <log_flags> <cpu_sched_debug>1</cpu_sched_debug> </log_flags> </cc_config> Then restart and observe log and look for any lines which might expalin what is going on about the GPU or cuda device. When done, you need to exit again, remove debug lines and then you can restart normally. |
UBT - NaRyanSend message Joined: 16 Jul 08 Posts: 68 Credit: 1,242,980 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]()
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It's saying "20/08/2008 23:45:59||insufficient coproc CUDA (1 + 1 > 1)" I guess even though Boinc is seeing both 8800GT's, for some reason either it or the project thinks I only have 1? Down with the Kredit Kops!!! |
Krunchin-Keith [USA]Send message Joined: 17 May 07 Posts: 512 Credit: 111,288,061 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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It's saying "20/08/2008 23:45:59||insufficient coproc CUDA (1 + 1 > 1)" Thanks for the testing. I've reported this to the developers to let them have a look into, I think GDF is asleep now. If they need more info I'll let you know. |
UBT - NaRyanSend message Joined: 16 Jul 08 Posts: 68 Credit: 1,242,980 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]()
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It's saying "20/08/2008 23:45:59||insufficient coproc CUDA (1 + 1 > 1)" Thanks :) I tested it in Linux encase it was a windows problem (only had the 2 8800GT's in the system a week), and I also get the same error :( I also tried removing the SLI cable, to see if that was causing a problem. But still no Joy. Down with the Kredit Kops!!! |
Krunchin-Keith [USA]Send message Joined: 17 May 07 Posts: 512 Credit: 111,288,061 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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I'm told by Dr.Anderson a fix for this has been checked in, It should appear in the next client release also. |
UBT - NaRyanSend message Joined: 16 Jul 08 Posts: 68 Credit: 1,242,980 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]()
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I'm told by Dr.Anderson a fix for this has been checked in, It should appear in the next client release also. Cool :) Down with the Kredit Kops!!! |
GDFSend message Joined: 14 Mar 07 Posts: 1958 Credit: 629,356 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() |
I'm told by Dr.Anderson a fix for this has been checked in, It should appear in the next client release also. New version 6.3.9 has the fix. Please try. gdf |
Stefan LedwinaSend message Joined: 16 Jul 07 Posts: 464 Credit: 298,573,998 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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And the BOINC Client is still crashing on Vista 64 bit... :( pixelicious.at - my little photoblog |
GDFSend message Joined: 14 Mar 07 Posts: 1958 Credit: 629,356 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() |
Reported again to Berkeley. gdf |
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