[GE users] The distribution of cores

gqc606 gqc606 at hotmail.com
Tue Jul 20 09:19:18 BST 2010


Hi:
  I installed MPICH2 and SGE on my computers,but there is a problem that I need to solve. Such as, when I submitted a job which need 20-core,SGE always distributed the 20-core to all the computer nodes.As the following:

all.q at compute-0-0.local        BIP   0/3/4          2.23     lx26-amd64    
      5 0.55500 smooth     test         r     07/19/2010 21:15:34     3        
---------------------------------------------------------------------------------
all.q at compute-0-1.local        BIP   0/3/4          2.09     lx26-amd64    
      5 0.55500 smooth     test         r     07/19/2010 21:15:34     3        
---------------------------------------------------------------------------------
all.q at compute-0-2.local        BIP   0/3/4          2.15     lx26-amd64    
      5 0.55500 smooth     test         r     07/19/2010 21:15:34     3        
---------------------------------------------------------------------------------
all.q at compute-0-3.local        BIP   0/4/4          3.36     lx26-amd64    
      5 0.55500 smooth     test         r     07/19/2010 21:15:34     4        
---------------------------------------------------------------------------------
all.q at compute-0-4.local        BIP   0/4/4          2.99     lx26-amd64    
      5 0.55500 smooth     test         r     07/19/2010 21:15:34     4        
---------------------------------------------------------------------------------
all.q at compute-0-5.local        BIP   0/3/4          2.08     lx26-amd64    
      5 0.55500 smooth     test         r     07/19/2010 21:15:34     3        

  As the communications between computers take a long time;I want SGE assigned this job to the nodes which is not working; then distribute the cores to the working nodes. what should I do to solve this problem?Thanks!

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