processing workunit 46891678 on hostid=378386

Questions and Answers : Unix/Linux : processing workunit 46891678 on hostid=378386

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Profile Nicholas Turnaviotov
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Message 32911 - Posted: 19 Dec 2006, 12:50:52 UTC
Last modified: 19 Dec 2006, 12:52:42 UTC

hi. i have a question abount processing subj: in my top command output i see, that uboinc not uer a processor for 100%, maximum at 30-40%. inm preferences i set 100%load average. in the second downloaded unit load average is 100%. when i'm using a SETI@HOME, i see 100% processor load. It's a problem or specifical for this workunit?
upd:for some hours i see no percent progress and estimated time ar only increase.
/sory for my english, please:)
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Profile Christoph Jansen
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Message 32912 - Posted: 19 Dec 2006, 13:46:41 UTC
Last modified: 19 Dec 2006, 13:48:19 UTC

Hi Nicholas,

and welcome to Rosetta! I cannot say anything on the percent of CPU usage, maybe there is somebody else who uses Linux himself and knows about it. But I can help you with the other part of your question.

The "estimated time" always increases because Rosetta works different than many other projects. Rosetta calculates the progress after each model it has finished. The moment it has finished a model, called a "decoy", your progress % are going up and the estimated time to completion goes down.

From that point on you will see the estimated time go up again, but only because Rosetta does not tell the BOINC manager that it is making progress. The result is that the estimated time always seems to go up and the progress % looks like it is stuck. But that is not the case, Rosetta is working fine. It is just some kind of misalignment of BOINC's and Rosetta's way of calculating progress.

Regards,

Christoph
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Profile Nicholas Turnaviotov
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Message 32916 - Posted: 19 Dec 2006, 14:17:09 UTC
Last modified: 19 Dec 2006, 14:21:11 UTC

3rd update: nothing doing now(or i have mistake in grammar?). processor 20-30% load, all time and progress counters are stopped. and at the top command listing (no idle mode) i can't see boinc_client) 2nd target (decoy?) has progressing done near 40mins. may be error in code or we have a some specifical parameters for calculating?
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Profile Christoph Jansen
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Message 32921 - Posted: 19 Dec 2006, 18:12:13 UTC

Hi Nicholas,

as I wrote, the progress counter stops while a decoy is running. It is for example 5.000 % after the first decoy and then jumps to, say, 7.322 % after the next. Some decoys take very long. There are work units on which I get 200 decoys in 8 hours, sometimes it is only 20 or even less.

As you have a Celeron with 1,7 GHz long decoys can take up to an hour or so. What I do not understand is that it shows you are only using so little of your processor. But I do not have a Linux machine, so I cannot compare.

A good idea would be to go to the Number Crunching Board and ask your question about the processor load to the broader public. Only very few people ever look into the Questions & Answers section. But questions directly put in the number crunching forum are mostly answered and there are some people there who know quite a lot about all that stuff.

Regards,

Christoph
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Questions and Answers : Unix/Linux : processing workunit 46891678 on hostid=378386



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