Questions and Answers : Windows : How many processes per task?
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Send message Joined: 21 Mar 07 Posts: 2 Credit: 263,796 RAC: 0 |
In my BOINC Manager, I only have one CPDN task showing, hadam3p_eu_84fe_2005_1_008164954_1. (I have set it to show both active and waiting tasks.) However, in Process Explorer I see two processes:
hadrm3p_eu_um_6.09_windows_intelx86.exe (CPU 0, virtual size 1,054,624 K)
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Send message Joined: 7 Aug 04 Posts: 2187 Credit: 64,822,615 RAC: 5,275 |
Yes, there should be two tasks. The am3p task is the global portion of the model, the rm3p task is the high resolution regional part of the model. The global section runs for a day, and then the regional section runs for that same day with the boundary conditions from the global section. You can see the regional part of it when it is running by pressing the w key on the globe graphic. |
Send message Joined: 21 Mar 07 Posts: 2 Credit: 263,796 RAC: 0 |
Thanks for the quick and clear response! Time to buy some more memory... |
Send message Joined: 5 Aug 04 Posts: 1283 Credit: 15,824,334 RAC: 0 |
Time to buy some more memory... For application memory use you should be looking at working set size rather than virtual size. Only one of the global and regional worker programs will be running at any point in time and Windows will swap the idle one out if it needs the memory for anything else. "The ultimate test of a moral society is the kind of world that it leaves to its children." - Dietrich Bonhoeffer |
Send message Joined: 5 Apr 05 Posts: 5 Credit: 1,071,773 RAC: 0 |
My computer has stopped running climate tasks. Looking at my account, I see I have 20 or 40 tasks "in process", but none have started. This machine is running 3 other projects with no obvious problems. What is wrong? Windows 7, Intel I7, NVidia 760, 8G ram half used, SSD half used. |
Send message Joined: 15 May 09 Posts: 4546 Credit: 19,039,635 RAC: 18,944 |
SSD half used. The bottle neck running CPDN tasks is the processor rather than the hard disk and running CPDN tasks on an SSD will severely shorten it's life for very little if any gain in the speed the tasks run. I didn't take this too seriously until my ssd on my netbook fell over! With respect to the not running any cpdn tasks when I look at http://climateapps2.oerc.ox.ac.uk/cpdnboinc/results.php?hostid=1279076 (the tasks your computer has been sent) they are all either errored out or completed. If you look at a number of other threads on this board, there are no tasks or very few available at the moment and those that appear go very quickly with thousands of computers after them. I have been without work from CPDN for over three weeks now so am running WCG till I get more work from CPDN. |
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