[torqueusers] request odd number of cpus when using ppn=2

[James J Coyle]

A minor correction

  I think that you would need:

-l nodes=1:ppn=1+5:ppn=2

which gives:

1 2 2 2 2 2

as you requested.

Rather than
 
-l nodes=5:ppn=2+1:ppn=1

which gives

2 2 2 2 2 1

  I'm not sure if that is important for your problem or not.


-- 
 James Coyle, PhD
 SGI Origin, Alpha, Xeon and Opteron Cluster Manager
 High Performance Computing Group     
 235 Durham Center            
 Iowa State Univ.           phone: (515)-294-2099
 Ames, Iowa 50011           web: http://jjc.public.iastate.edu

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> On Tue, Oct 21, 2008 at 3:40 PM, Brock Palen <brockp at umich.edu> wrote:
> 
> > How could a user request 25 cpus?  For example code has a master process
> > that controls several 2 thread MPI ranks.
> >
> > Thus jobs should be laid out:
> >
> > 1  2  2  2  2  2   etc,
> >
> > I tried:
> >
> > -l nodes=5:ppn=2+nodes=1
> 
> 
> 
> 
> -l nodes=5:ppn=2+1:ppn=1
> 
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> <br><br><div class="gmail_quote">On Tue, Oct 21, 2008 at 3:40 PM, Brock Palen <span dir="ltr">&lt;<a href="mailto:brockp at umich.edu">brockp at umich.edu</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
> How could a user request 25 cpus? &nbsp;For example code has a master process that controls several 2 thread MPI ranks.<br>
> <br>
> Thus jobs should be laid out:<br>
> <br>
> 1 &nbsp;2 &nbsp;2 &nbsp;2 &nbsp;2 &nbsp;2 &nbsp; etc,<br>
> <br>
> I tried:<br>
> <br>
> -l nodes=5:ppn=2+nodes=1</blockquote><div><br><br><br>-l nodes=5:ppn=2+1:ppn=1<br><br><br></div></div><br>
> 
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