[GE users] process to core distribution

Joseph Hargitai joseph.hargitai at nyu.edu
Fri Oct 17 16:34:11 BST 2008


> > ps - also, since you mentioned that possibility of cpus being  
> > already used by other jobs, which is not the case here. What is the  
> 
> > SGE way to make nodes job exclusive the easiest way? We do not want  
> 
> > parallel jobs to mix. They need to own the nodes when running even  
> 
> > when not using all cores.
> 
> It's an RFE. For now you will need to request
> 
> - all cores on every machine and adjust the hostlist and slot count  
> to use only the desired number of cores

that kind of undoes the pe settings and we would need to go into manual hostfile creation.

> - request an amount of memory, so that there is no memory left for  
> other applications (suppose h_vmem or virtual_free was made  
> consumable and set to a sensible value in the exechopst definition)

this sounds more promising - 

If there is an SGE wishlist -this should be on it: ability to create a job-exclusive parallel queue. 


> -- Reuti
> 
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