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World Community Grid Forums
Category: Completed Research
Forum: The Clean Energy Project - Phase 2 Forum
Thread: Weird calculations towards awarding BOINC Credits |
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Thread Status: Active Total posts in this thread: 7
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adriverhoef
Master Cruncher The Netherlands Joined: Apr 3, 2009 Post Count: 1978 Status: Offline Project Badges: 
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In the past few days I've seen some strange behaviour in awarding credits for work done.
For those who are interested: Result names: [1] E235168_87_S.294.C22F9H6N5O5.JXKMBHLOMYZXNP-UHFFFAOYSA-N.4_s1_14_0-- [2] E235157_306_S.296.C31H16N10O3.NNZGALYNKREGJK-UHFFFAOYSA-N.17_s1_14_0-- Result Status: [1] Valid 09/12/15 05:43:19 09/12/15 22:11:57 2.92 / 3.28 237.2 / 237.2 [2] Valid 08/12/15 04:27:56 09/12/15 05:43:19 9.90 / 10.93 117.9 / 117.9 As one can see, WU '1' ran for ± 3,5 hours, while WU '2' did the job in 11 hours, three times as long as WU '1'. On the same host, same computer load. Despite WU 2's long running time of 11 hours, WU 1 was granted twice as much Credit as WU 2. (Even though WU 1 bailed out with a 'No space left on device' error Job #6.) I find it disap-point-ing to be honest. :-} Even stranger is the fact that WU 1 claims to be Valid. Here is a snippet from WU 1: 20:59:57] Starting job 3,CPU time has been restored to 7755.642630. [20:59:57] Starting new Job [20:59:57] Qink name = fldman [20:59:58] Qink name = gesman [20:59:58] Qink name = scfman [21:10:20] Qink name = anlman [21:11:07] End of Job [21:11:08] Finished Job #3 [21:11:08] Starting job 4,CPU time has been restored to 8181.292344. [21:11:08] Starting new Job [21:11:08] Qink name = fldman [21:11:08] Qink name = gesman [21:11:08] Qink name = scfman [21:17:32] Qink name = anlman [21:18:23] End of Job [21:18:23] Finished Job #4 [21:18:23] Starting job 5,CPU time has been restored to 8453.292696. [21:18:23] Starting new Job [21:18:23] Qink name = fldman [21:18:24] Qink name = gesman [21:18:24] Qink name = scfman [21:22:02] Qink name = anlman [21:23:33] End of Job [21:23:34] Finished Job #5 [21:23:34] Starting job 6,CPU time has been restored to 8648.828021. [21:23:34] Starting new Job [21:23:34] Qink name = fldman [21:23:39] Qink name = gesman [21:23:39] Qink name = scfman [22:07:18] Qink name = anlman forrtl: No space left on device forrtl: severe (38): error during write, unit 48, file /var/lib/boinc/slots/5/S.294.C22F9H6N5O5.JXKMBHLOMYZXNP-UHFFFAOYSA-N.4.bp86.svp.n.bp86.tzvp.n.sp/./FILE.48 Image PC Routine Line Source wcgrid_cep2_qchem 0D8B658D Unknown Unknown Unknown wcgrid_cep2_qchem 0D8B5B05 Unknown Unknown Unknown wcgrid_cep2_qchem 0D7AC0F8 Unknown Unknown Unknown wcgrid_cep2_qchem 0D75D27A Unknown Unknown Unknown wcgrid_cep2_qchem 0D75CB9B Unknown Unknown Unknown wcgrid_cep2_qchem 0D792F4E Unknown Unknown Unknown wcgrid_cep2_qchem 0D79072D Unknown Unknown Unknown wcgrid_cep2_qchem 0B4A9D02 Unknown Unknown Unknown wcgrid_cep2_qchem 0B337E1B Unknown Unknown Unknown wcgrid_cep2_qchem 0B2E354E Unknown Unknown Unknown wcgrid_cep2_qchem 09F91305 Unknown Unknown Unknown wcgrid_cep2_qchem 08E23538 Unknown Unknown Unknown wcgrid_cep2_qchem 08E1B221 Unknown Unknown Unknown wcgrid_cep2_qchem 08E184B4 Unknown Unknown Unknown Stack trace terminated abnormally. Application exited with RC = 0x2600 [22:11:04] Finished Job #6 [22:11:04] Starting job 7,CPU time has been restored to 10451.191463. [22:11:04] Skipping Job #7 22:11:07 (21695): called boinc_finish |
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SekeRob
Master Cruncher Joined: Jan 7, 2013 Post Count: 2741 Status: Offline |
Credit[points] does not interest me one iota, poorl entertainment value too, it may very well be that in top result there were e.g. 6 jobs in 3.5 hours, and in the second 3 in 11. If then the device did 117 credit on the earlier, and 2 times more jobs in the former, you get double the points [divorced from the time element]. Other than that, there's a random-dicer in the machine... and Bond, James and Largo, Maximillian are on the joysticks... the joysticks are 'powered' ;O)))))
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deltavee
Ace Cruncher Texas Hill Country Joined: Nov 17, 2004 Post Count: 4835 Status: Offline Project Badges: 
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No, Doctor! Not the random-dicer! Aggghhh!!
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Sgt.Joe
Ace Cruncher USA Joined: Jul 4, 2006 Post Count: 7219 Status: Offline Project Badges: 
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This would not be the only project to have seemingly random number of points granted for no apparent reason. I would agree with SekeRob* on the whole points issue. It is interesting to note however that result #1 has a much smaller molecule (C22) versus result #2 (C31). Probably partially explains the time difference, but has nothing to do with points difference.
----------------------------------------Cheers
Sgt. Joe
*Minnesota Crunchers* |
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ErikaT
Former World Community Grid Admin USA Joined: Apr 27, 2009 Post Count: 912 Status: Offline Project Badges: 
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In the past few days I've seen some strange behaviour in awarding credits for work done. This was investigated and no irregularities were found with the credits. Please let us know if anyone else experiences this issue.Thank you, ErikaT |
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knreed
Former World Community Grid Tech Joined: Nov 8, 2004 Post Count: 4504 Status: Offline Project Badges: 
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To rephrase ErikaT's response a little bit. No unexpected irregularities were found with the credit. What this means is that the credit awarding mechanism has some peculiarities that are known, and this falls within the realm of those known peculiarities.
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Sgt.Joe
Ace Cruncher USA Joined: Jul 4, 2006 Post Count: 7219 Status: Offline Project Badges:
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Thanks for examining this. Appreciate the reply. Still seems strange, but as you said
----------------------------------------this falls within the realm of those known peculiarities. Cheers
Sgt. Joe
*Minnesota Crunchers* |
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