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World Community Grid Forums
Category: Completed Research
Forum: Computing for Clean Water Forum
Thread: Inaccurate estimated duration of C4CW WUs |
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Thread Status: Active Total posts in this thread: 10
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KerSamson
Master Cruncher Switzerland Joined: Jan 29, 2007 Post Count: 1670 Status: Offline Project Badges: 
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Hi Everybody,
----------------------------------------since a couple of days, two machines (currently mainly crunching for C4CW) received WUs with an estimated duration between 1 and 4 days each. Finally the WUs need between 2 and 8 hours. Because I am running a small buffer (0.5 - 0.75 day), the waiting queue is very short (1 or 2 WU for 4 cores) and some of the WUs are running with high priority. I would be interested to know if other members do currently experience the same behavior. Cheers, Yves |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
I have been running only c4cw and lately my est. times have been very consistent at 02:12:xx on one machine and 02:48:xx on the other.
----------------------------------------The only time it ever varied is when I ran the HCC/GPU Beta's , and then it was all over the place... But within a couple of days after it got right back to normal. I wonder if it could have anything to do with the Boinc Manager version ? I am running 6.10.58 for windows_x86_64 and 6.10.58 for x86_64-pc-linux-gnu [Edit 1 times, last edit by Former Member at Apr 15, 2012 3:49:34 PM] |
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Zarozinia
Senior Cruncher England Joined: Aug 28, 2005 Post Count: 226 Status: Offline Project Badges: 
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Estimates are shot for me one is showing as 86 hours and one task that's taken 58 mins to complete 48% is showing as having 15 and a half hours to go.
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
 For the last few days, all my project estimates have been off by as much as a factor of 50. I think this has been caused by poor tuning of the March BOINC server upgrade. Lawrence added: Reported this to staff. [Edit 1 times, last edit by Former Member at Apr 15, 2012 4:28:54 PM] |
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TPCBF
Master Cruncher USA Joined: Jan 2, 2011 Post Count: 1931 Status: Offline Project Badges:
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Don't see anything like this at all, and currently, beside three hosts additionally running CEP2, all my hosts are running C4CW exclusively and depending on the host, they show an estimated run time of 1.5-5h. All looking and acting just normal...
----------------------------------------I did not mess with any buffer settings or such, all just plain installs of the stock WGC BOINC client... Ralf  |
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Bugg
Senior Cruncher USA Joined: Nov 19, 2006 Post Count: 271 Status: Offline Project Badges:
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I also don't see this happening for me. Mine are all showing an estimated run time of around 48-50 minutes each.
----------------------------------------Remember, if you run other projects with short run times, and it goes over even by, say, 30 minutes, that 30 minutes is a larger percentage of the estimated time, thus increasing all run time estimates by a larger factor. There *IS* a way to reset your DCF, but it will eventually even itself out on its own if you just let it run without tinkering (running just one project will most likely even it out faster, btw).  i5-12600K (3.7GHz), 32GB DDR5, Win11 64bit Home |
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littlepeaks
Veteran Cruncher USA Joined: Apr 28, 2007 Post Count: 748 Status: Offline Project Badges:
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I've just been running C4CW lately. Most of my work units are showing an estimated run time of 1:32:10, and finishing in 1.53 to 1.56. That's a little bit over 1:32 -- I think that's about as good as it gets.
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Zarozinia
Senior Cruncher England Joined: Aug 28, 2005 Post Count: 226 Status: Offline Project Badges:
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Mine are still showing as estimated times of 61 hours, in reality they're taking a couple of hours.
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KerSamson
Master Cruncher Switzerland Joined: Jan 29, 2007 Post Count: 1670 Status: Offline Project Badges:
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I thank you for your answers.
----------------------------------------In between it seems that one host becomes accurate again by run time estimation, until the last one is still "crazy". Cheers, Yves |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
JmBoullier said that this happened to him recently when a HCMD2 work unit estimated at less than 4 minutes actually took more than 5 hours to run. Something like that probably happened to me.
 Lawrence |
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