[GE users] Difference in number of allocated and execution slots with PE

John Hearns john.hearns at streamline-computing.com
Thu Apr 24 12:49:10 BST 2008


On Thu, 2008-04-24 at 04:41 -0700, Azhar Ali Shah wrote:
> Hi,
> 
> Using SGE with MPICH2-1.0.7rc2 (smpd daemon based method) on my 6 node
> cluster with 9 processors in total, when I submit a job requesting 9
> processors, it gets run on only on 7 (including one master), as I
> could verify from qacct command. 
> 
> Azhar, from your description I guess you have 3 exec hosts with one
> processor, and 3 exec hosts with dual processors?
> For the dual processor nodes you need to define them to have two job
> slots
> 
> slots=2


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