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Number crunching :
Warning QT_POS QT summed over level 17 was negative QT not conserved
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Author | Message |
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Send message Joined: 31 Aug 04 Posts: 391 Credit: 219,896,461 RAC: 649 |
Does this message indicate a significant problem with the model, Or is it just a problem at a boundary layer that the model deals with properly? Some models seem to spit this 65K times, others much less. What does it mean? |
Send message Joined: 7 Aug 04 Posts: 2185 Credit: 64,822,615 RAC: 5,275 |
Where are you seeing this? In yabsd.out? Is it in a model that crashed? There was a small amount of discussion on this <a href="http://climateapps2.oucs.ox.ac.uk/cpdnboinc/forum_thread.php?id=187">thread</a>. It was in reference to a model that crashed. |
Send message Joined: 31 Aug 04 Posts: 391 Credit: 219,896,461 RAC: 649 |
Yes, in yabsd.out. No, the model appeared to complete and upload ok as result 665777. There was no fatal error as in the referenced thread. But the graphs displayed on the web page show no phase 3 results at all. the yabsd.out for this run contains 65735 instances of QT_POS : Mass weighted QT summed over level 17 was negative. WARNING: QT not conserved 2012 points were -ve and the scaling factor has been reset to 1 or similar, the points -ve ranges roughly from 1800 to 2569 and the leve is mostly 17 or 19. Upload appeared to run smoothly from 12pr_000070700 - PH 3 TS 259248 - 02/12/2065 00:00 - H:M:S=0621:12:04 AVG= 2.88 DLT= 1.00 2005-04-21 01:51:14 [climateprediction.net] Sending request to scheduler: http://climateapps2.oucs.ox.ac.uk/cpdnboinc_cgi/cgi 2005-04-21 01:51:16 [climateprediction.net] Scheduler RPC to http://climateapps2.oucs.ox.ac.uk/cpdnboinc_cgi/cgi succeeded Phase over, going into post_processing() to 2005-04-21 02:31:14 [climateprediction.net] Finished upload of 12pr_000070700_1_3.zip 2005-04-21 02:31:14 [climateprediction.net] Throughput 1637 bytes/sec with no network errors. Just wondering if the WARNING messages in yabsd.out and the missing Phase 3 graph on the web site are related. Thanks, Eric |
Send message Joined: 5 Sep 04 Posts: 7629 Credit: 24,240,330 RAC: 0 |
You're missing a trickle, and it's the one with the graph data. The servers are overloaded and/or their hds are full. See <a href="http://www.climateprediction.net/board/viewtopic.php?t=2887"> this</a> 6 page thread for discussions / grips / moans etc. (Woe, WOE. Sorry, needed that). Les |
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