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High duration workunits with result overflow
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Topic: High duration workunits with result overflow (Read 8487 times)
sunu
Alpha Tester
Knight who says 'Ni!'
Posts: 771
High duration workunits with result overflow
«
on:
15 Aug 2007, 12:38:36 pm »
With the new 2.4 Win32 Chicken soup I'm seeing very high duration workunits that end up with result overflows.
Usually workunits with result overflows are discarded after a few seconds/minutes of computation. Now I am seeing many workunits with 15000+ sec computation times ending with result overflows giving me only 0.x credits.
Check this workunit
http://setiathome.berkeley.edu/workunit.php?wuid=147539615
If you see both results, we are both using Chicken optimized apps. Mine is the P4 2.8 Ghz. The second result is from a C2D E6600 and it took him almost 11000 sec for this workunit and we ended up getting 0.43 credits!!!
Is there something wrong with the new apps?
I have many others such as this one that are waiting validation. Check this
http://setiathome.berkeley.edu/results.php?hostid=3690316&offset=20
«
Last Edit: 15 Aug 2007, 12:57:32 pm by sunu
»
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Richard Haselgrove
Messenger Pigeon
Knight who says 'Ni!'
Posts: 2819
Re: High duration workunits with result overflow
«
Reply #1 on:
15 Aug 2007, 01:01:14 pm »
Joe Segur has been looking into something similar for us on the main SETI board:
http://setiathome.berkeley.edu/forum_thread.php?id=41541&nowrap=true#619629
If your WU data has the same characteristic - negative <triplet_thresh> - then it's a splitter problem, not an application problem.
Joe's
extremely good
advice is to
suspend
any such workunits, until the project can cancel them: if you abort them, they'll just get re-issued to some other poor unsuspecting sucker!
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sunu
Alpha Tester
Knight who says 'Ni!'
Posts: 771
Re: High duration workunits with result overflow
«
Reply #2 on:
15 Aug 2007, 01:17:25 pm »
I also just saw that thread. This isn't a chicken thing.
Well, we just have to wait for the little quirks of multibeam workunits to get ironed out.
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michael37
Knight o' The Round Table
Posts: 137
Re: High duration workunits with result overflow
«
Reply #3 on:
18 Aug 2007, 01:48:42 am »
Nothing but lots of frustration with these workunits
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