<HTML dir=ltr><HEAD><TITLE>Re: [Mauiusers] nodeallocationpolicy</TITLE>
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<DIV dir=ltr><FONT face=Arial color=#000000 size=2>wait, you want 16 CPU, divided evenly over 4 nodes, is that right?</FONT></DIV>
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<DIV dir=ltr><FONT face=Arial size=2>--Joe</FONT></DIV></DIV>
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<FONT face=Tahoma size=2><B>From:</B> mauiusers-bounces@supercluster.org on behalf of A.Th.C. Hulst<BR><B>Sent:</B> Mon 9/8/2008 7:41 AM<BR><B>To:</B> mauiusers@supercluster.org<BR><B>Subject:</B> Re: [Mauiusers] nodeallocationpolicy<BR></FONT><BR></DIV>
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<P><FONT size=2>Ah, sorry, I've found it. With moab one can request nodes=4:tpn=4, which does<BR>what I expect. I'll need moab if I want to try this.<BR><BR>Thanks<BR><BR>On Monday 08 September 2008 13:22:46 A.Th.C. Hulst wrote:<BR>> #PBS -l nodes=4:ppn=4<BR>> lamboot<BR>> mpiexec hello_mpi<BR>> lamhalt<BR>><BR>> What happens is that the job is run on two nodes, each node running two<BR>> chunks of 4 "cpus" (which are actually cores). That is not really<BR>> desirable. I would like to divide the job over 4 nodes.<BR>><BR>> My initial guess was that I could control node allocation with the<BR>> nodeallocationpolicy parameter, but I fail to get it working.<BR>><BR>> Does anyone have any experience with a similar issue? Is it possible?<BR>><BR>> Best regards,<BR>> Sander<BR>><BR>> _______________________________________________<BR>> mauiusers mailing list<BR>> mauiusers@supercluster.org<BR>> <A href="http://www.supercluster.org/mailman/listinfo/mauiusers">http://www.supercluster.org/mailman/listinfo/mauiusers</A><BR><BR><BR><BR>_______________________________________________<BR>mauiusers mailing list<BR>mauiusers@supercluster.org<BR><A href="http://www.supercluster.org/mailman/listinfo/mauiusers">http://www.supercluster.org/mailman/listinfo/mauiusers</A><BR></FONT></P></DIV></BODY></HTML>