Message boards :
Multicore CPUs :
Multithreaded BOINC application questions
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ColeslawSend message Joined: 24 Jul 08 Posts: 36 Credit: 363,857,679 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Has there been any updates in this area? I ask because some of my team have switched from FAH and have came here and to a few other projects. A lot of them had server grade equipment with multiple processors that they were used to running MT apps on. Switching to running several single apps is a big change for them. I just wanted to know if this is possibly the next phase to the recent CPU release.
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Scalextrix[Gridcoin]Send message Joined: 27 Jan 09 Posts: 34 Credit: 185,313,973 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Hello I got a multi-threaded CPU test app yesterday and each time I restart BOINC I seem to lose all the progress, is that normal? BOINC estimates 84 hours to complete, so if this is the case I will have to abort as I dont run 24/7. Thanks. |
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Send message Joined: 15 Feb 07 Posts: 134 Credit: 1,349,535,983 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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The app is checkpointng correctly but the progress reporting is broken, so the end estimates are incorrect. WUs should complete in between 1 and 8hr depending on your CPU. Matt |
Scalextrix[Gridcoin]Send message Joined: 27 Jan 09 Posts: 34 Credit: 185,313,973 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Yes you are correct, it completed, thanks. |
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Send message Joined: 11 Oct 08 Posts: 1127 Credit: 1,901,927,545 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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MJH, Are you absolutely sure it's checkpointing correctly? I'm getting these multithreading tasks too now, on some of my laptops, and... well, they'll go for hours, and if I look at the "CPU time last checkpoint" it'll indicate that it has never checkpointed! I don't think checkpointing is working correctly -- is it? |
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Send message Joined: 17 Dec 11 Posts: 11 Credit: 105,502,570 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Jacob, the app does checkpoint every 15 minutes, but it doesn't do it through BOINC so BOINC doesn't know about it. |
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Send message Joined: 15 Feb 07 Posts: 134 Credit: 1,349,535,983 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Yes, it is. 845 and earlier don't report that they've checkpointed to BOINC. 846 will fix that. Matt |
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Send message Joined: 11 Oct 08 Posts: 1127 Credit: 1,901,927,545 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Ah, so, it is checkpointing, but it's just not reporting it correctly to BOINC. I'd consider that "not working", but either way, it sounds like you guys are working to fix it. Thanks! PS: It's nice to have my non-GPU laptops doing work for GPUGrid. |
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Send message Joined: 15 Feb 07 Posts: 134 Credit: 1,349,535,983 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Please post further replies to the news thread about the new application. |
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