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World Community Grid Forums
Category: Completed Research
Forum: The Clean Energy Project - Phase 2 Forum
Thread: not enough WU in the feeder now? |
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Thread Status: Active Total posts in this thread: 26
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Hi everybody,
SekeRob is absolutely right - if there are too many threads with I/O to one harddrive at the same time it can clog up and the system performance will drop dramatically (although it shouldn’t cause errors, and the actual size is not the main issue). 2 jobs should be perfectly fine and we even usually don’t see much of an impact with 3-4 jobs. People on the forum reported even more than that without problems, but this is very hardware dependent. You can fill up remaining CPUs with less demanding projects. We have prepared a ‘Tips and Tricks’ sheet for custom settings which is currently being vetted by our friends at IBM. We hope to post this soon. Best wishes Your Harvard CEP team |
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adrianxw
Senior Cruncher Denmark Joined: Apr 13, 2008 Post Count: 193 Status: Offline Project Badges: 
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They said...
The Clean Energy Project: The Clean Energy Project needs your help. Due to its large file sizes and above-average use of disk operations, we have designated the project as "opt-in". That means that you have to take action to participate. We encourage you to take a look at the system requirements for this project, and determine if your computer is capable of participating. If yes, then give it a try on your computer by going to your My Projects page and selecting The Clean Energy Project - Phase 2. You may learn more about this exciting project here. ... you get... 18/03/2011 21:56:49 World Community Grid [sched_op_debug] Starting scheduler request 18/03/2011 21:56:49 World Community Grid Sending scheduler request: To fetch work. 18/03/2011 21:56:49 World Community Grid Requesting new tasks for CPU 18/03/2011 21:56:49 World Community Grid [sched_op_debug] CPU work request: 1.00 seconds; 0.69 CPUs 18/03/2011 21:56:49 World Community Grid [sched_op_debug] ATI GPU work request: 0.00 seconds; 0.00 GPUs 18/03/2011 21:56:53 World Community Grid Scheduler request completed: got 0 new tasks 18/03/2011 21:56:53 World Community Grid [sched_op_debug] Server version 601 18/03/2011 21:56:53 World Community Grid Message from server: No work sent 18/03/2011 21:56:53 World Community Grid Message from server: No work available for the applications you have selected. Please check your settings on the website. |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
My nick, one of many, is Goldfinger:
3019 WCG 18-03-2011 22:18 [sched_op_debug] Starting scheduler request 3020 WCG 18-03-2011 22:18 Sending scheduler request: To fetch work. 3021 WCG 18-03-2011 22:18 Requesting new tasks 3022 WCG 18-03-2011 22:18 [sched_op_debug] CPU work request: 40646.66 seconds; 0.00 CPUs 3023 WCG 18-03-2011 22:18 Scheduler request completed: got 2 new tasks 3024 WCG 18-03-2011 22:18 [sched_op_debug] Server version 601 3025 WCG 18-03-2011 22:18 Project requested delay of 11 seconds 3026 WCG 18-03-2011 22:18 [sched_op_debug] estimated total CPU job duration: 58856 seconds 3027 WCG 18-03-2011 22:18 [sched_op_debug] Deferring communication for 11 sec 3028 WCG 18-03-2011 22:18 [sched_op_debug] Reason: requested by project 3029 WCG 18-03-2011 22:19 Started download of E201556_139_C.21.C17H9NOS2.00008784.4.set1d06_C.21.C17H9NOS2.00008784.4.zip 3030 WCG 18-03-2011 22:19 Started download of E201556_140_C.21.C16H9N3S2.00723659.4.set1d06_C.21.C16H9N3S2.00723659.4.zip 3031 WCG 18-03-2011 22:19 Finished download of E201556_139_C.21.C17H9NOS2.00008784.4.set1d06_C.21.C17H9NOS2.00008784.4.zip 3032 WCG 18-03-2011 22:19 Finished download of E201556_140_C.21.C16H9N3S2.00723659.4.set1d06_C.21.C16H9N3S2.00723659.4.zip If your computer has 1 CEP2 task in cache, that's the default. You can specify in the device profile custom section how many... 1-16 or unlimited, at any rate, no shortage observed from this neck of the woods. --//-- |
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kskjold
Senior Cruncher Norway Joined: May 20, 2008 Post Count: 469 Status: Offline Project Badges: 
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I have two computers that are running cep. One intel duo that is allowed one cep at the time, and one I7 870 with 8 gb ram and SSD hardrive that are allowed to run four cep at the time. That is working fine. And it is always one and four cep's in the cahce unless its just reported one.
----------------------------------------Bottom line here.... I have never had a problem with the worflow in this project. It seems like it has a higher priority then clean water, AIDS, HPF2, etc... |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Hello adrianxw,
There are a lot of restrictions if you run BOINC on default parameters. This is supposed to help naive computer users from overworking their computers. I eliminate almost all restrictions since I claim to know what I am doing. (When a cat takes a tumble, it gets up and stalks proudly away, head held high, not looking to see if anybody noticed the stumble. I'm almost like that. I grudgingly admit a few stupid mistakes, but mostly I keep quiet.) There is probably some restriction in your BOINC / project settings that keeps you from getting that CEP2 work unit. Lawrence |
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PecosRiverM
Veteran Cruncher The Great State of Texas Joined: Apr 27, 2007 Post Count: 1054 Status: Offline Project Badges: 
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I claim to know what I am doing. (When a cat takes a tumble, it gets up and stalks proudly away, head held high, not looking to see if anybody noticed the stumble. I'm almost like that. I grudgingly admit a few stupid mistakes, but mostly I keep quiet.) Hey I fit that mold.  I've got 3 different profiles (1-3 WU's) depends on the system.    |
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