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Thread Status: Active Total posts in this thread: 17
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fiacyberz
Cruncher Joined: Oct 1, 2011 Post Count: 1 Status: Offline Project Badges:
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hi guys
----------------------------------------I dont know if it is a common issue, but when I turn of my computer and turn it on again the percent of data which was finished at this project will be set back. e.g. I had like 4 hours of work done right now, but I turned it on again and now it is only 55 minutes so much work is lost because of this :-( when I want to finish a job I have to run the computer for the whole project, like 10 hours at least. and this is very uncommon for me. [Edit 1 times, last edit by fiacyberz at May 25, 2013 10:36:48 PM] |
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Falconet
Master Cruncher Portugal Joined: Mar 9, 2009 Post Count: 3315 Status: Offline Project Badges:
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This is specific to CEP2. This project's checkpoints are hours apart. You can try enabling LAIM(Leave Applications in memory) in the BOINC manager and hibernate rather than shutdown if you want to run this project. Otherwise, un-check this project it and choose other projects.
----------------------------------------![]() - AMD Ryzen 5 1600AF 6C/12T 3.2 GHz - 85W - AMD Ryzen 5 2500U 4C/8T 2.0 GHz - 28W - AMD Ryzen 7 7730U 8C/16T 3.0 GHz |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
I concur. CEP2 is for people who leave their computer on (or for people who never look at BOINC Manager so they are never bothered). The idea is to feel good about running WCG. So don't let the special requirements of CEP2 bother you. Leave it for other people.
Lawrence |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
I am one of those with 4 computers (12 cores) that are never turned off. Until HCC completed, most of my processing power went to HCC. Now, most of that time is being split among all active projects. It seems that most of the completed WUs are for CEP2, but I do not have any problem with the situation described here. I have had a problem in the past with the task terminating after 12 hours and I had enough computing time available to complete all parts of the WU -- I am currently seeing the first eleven jobs completing successfully and job 12 exits with with RC = 0x1. Jobs 13, 14 and 15 are skipped.
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
The RC = xxxxxx tends to happen after #11 which is the 12th job of 16. That's for everyone the same if the job is not cut off at 12 hours in the present search space chosen by the scientists. Also, knreed just the day before explained quite well: 2 jobs of 12 hours has more scientific value than one running up to 24 hours, which is the main why the -up-to-24-hours- was never implemented.
----------------------------------------edit (1): tech explanation. edit (2): -up-to-24-hours of course ![]() Link knreed post (there are never many in a month): http://www.worldcommunitygrid.org/forums/wcg/viewpostinthread?post=422494 [Edit 2 times, last edit by Former Member at May 28, 2013 3:20:16 PM] |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
The only question I have is why are the last four jobs even contained in the set of jobs for the WU? It seems to be it bit of a waste when it leads to questions like this being raised. If all that is needed/wanted are jobs 0 to 11, what is the point of having jobs 12 to 15?
----------------------------------------[Edit 1 times, last edit by Former Member at May 28, 2013 3:08:12 PM] |
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Sgt.Joe
Ace Cruncher USA Joined: Jul 4, 2006 Post Count: 7851 Status: Offline Project Badges:
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The only question I have is why are the last four jobs even contained in the set of jobs for the WU? It seems to be it bit of a waste when it leads to questions like this being raised. If all that is needed/wanted are jobs 0 to 11, what is the point of having jobs 12 to 15? I am going to hazard a guess that the information in those last jobs is of marginal interest compared to the previous jobs, but of some value nonetheless. Cheers
Sgt. Joe
*Minnesota Crunchers* |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Where is the post by knreed that explains quite well what is needed or used for CEP2?
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
The only question I have is why are the last four jobs even contained in the set of jobs for the WU? It seems to be it bit of a waste when it leads to questions like this being raised. If all that is needed/wanted are jobs 0 to 11, what is the point of having jobs 12 to 15? I am going to hazard a guess that the information in those last jobs is of marginal interest compared to the previous jobs, but of some value nonetheless. Cheers The application just goes through the 16 jobs. It says 'skipped...' in my result Linux logs, repeating the seconds computed from the previous job step. There's not a second spend on #12-#15, but we're spending time on academics. New app is in development, and from long ago notes and comments, I'm speculating that updated version will be a whole lot more calc-efficient [no smidgen of info at all on the disk IO part... we'll see when it's beta time]. |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Hello dkt,
The only question I have is why are the last four jobs even contained in the set of jobs for the WU? It seems to be it bit of a waste when it leads to questions like this being raised. If all that is needed/wanted are jobs 0 to 11, what is the point of having jobs 12 to 15? The 16 jobs are arranged in groups in order of importance. The scientists want to cover the entire molecule space in as few years as possible. As long as the first 3 jobs are run, that is useful info, but they would like it all. However, careful thinking on their part has convinced them that it is better to get partial results on 2 molecules in 24 hours than complete information on one molecule in 24 hours.My opinion is that if we had enough computers to complete their project in a year or so, they would probably remove the time limit. Lawrence |
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