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World Community Grid Forums
Category: Support
Forum: BOINC Agent Support
Thread: Shortest work units |
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Thread Status: Active Total posts in this thread: 9
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bobsmith
Cruncher Joined: May 6, 2007 Post Count: 9 Status: Offline Project Badges: 
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Which project has the shortest work units?
I have a slow (AMD3000+) machine that is only switched on for a couple of hours every few days, and it has returned a few jobs late now. I want to switch to a project with shorter units so this won't happen. Thanks Bob |
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Sid2
Senior Cruncher USA Joined: Jun 12, 2007 Post Count: 259 Status: Offline Project Badges: 
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Bob:
----------------------------------------I don't crunch all of the WCG projects, but to my knowledge, there are no short runtimes. Help Cure Muscular Dystrophy - Phase 2 might be closest to what you need. Problem is that HCMD2 vary widely on completion times.  |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Projects that have a fixed CPU time regardless of the CPU speed.
----------------------------------------All other projects are CPU power depending for duration. The slower the CPU, the longer tasks run.
WCG
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bobsmith
Cruncher Joined: May 6, 2007 Post Count: 9 Status: Offline Project Badges:
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On my main machine, the cancer and flu jobs are taking 3.5-4.5 hours, with the flu ones being nearer 4.5 most of the time. The clean energy jobs take over 6-6.5 hours.
On the 3000+ machine, it took 9.5 hours to do the flu job. I think I may switch it to the HCMD2 project. Thanks Bob |
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JmBoullier
Former Community Advisor Normandy - France Joined: Jan 26, 2007 Post Count: 3716 Status: Offline Project Badges:
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On the 3000+ machine, it took 9.5 hours to do the flu job. I think I may switch it to the HCMD2 project. Bob, HCMD2 can last up to 12 hours for some WUs. My P4 HT which was exceptionally allowed to pass the 4-hour limit formerly is frequently allowed to pass the 6-hour limit nowadays and then these WUs are often lasting as long as 10 to 11 hours. If your usage pattern is what you said in your opening post I would rather recommend the 7-hour Rice project. Happy crunching. Jean. |
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retsof
Former Community Advisor USA Joined: Jul 31, 2005 Post Count: 6824 Status: Offline Project Badges:
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If your usage pattern is what you said in your opening post I would rather recommend the 7-hour Rice project. Rice also has the smallest resource requirements of current projects. It is set to do as many cycles as it can in those 7 hours, regardless of computer speed. An old cranky computer here is happy with rice, and other cores can process the more intensive stuff.
SUPPORT ADVISOR
----------------------------------------Work+GPU i7 8700 12threads School i7 4770 8threads Default+GPU Ryzen 7 3700X 16threads Ryzen 7 3800X 16 threads Ryzen 9 3900X 24threads Home i7 3540M 4threads50% [Edit 2 times, last edit by retsof at Sep 11, 2009 4:31:58 AM] |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
For all I know HCMD2 is by far the lightest. See "The Matrix"
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WCG
Please help to make the Forums an enjoyable experience for All! |
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JmBoullier
Former Community Advisor Normandy - France Joined: Jan 26, 2007 Post Count: 3716 Status: Offline Project Badges:
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For all I know HCMD2 is by far the lightest. See "The Matrix" Sure! The two HCMD2 WUs I can watch right now are both below 6 MBytes of Peak Mem Usage!  And VM size is low too. Ideal for smaller machines which tend to swap memory when their owner needs to use them. |
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bobsmith
Cruncher Joined: May 6, 2007 Post Count: 9 Status: Offline Project Badges:
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OK, Rice it is (since HCMD2 can dish out huge jobs occasionally). Memory is not a problem - It has 1GB, and is single core.
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