Installation of MPI in a cluster of SMPs

 
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Special Forums UNIX and Linux Applications High Performance Computing Installation of MPI in a cluster of SMPs
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Old 04-21-2010
Installation of MPI in a cluster of SMPs

Hi,

I've installed mpich2 v. 1.2.1p1 on a cluster of dual-processors with the default options (in previous versions I used 'ssm' device, but now I use 'nemesis').

I'd like that every time I execute a job (e.g. with 2 MPI-processes), each job's process be dispatched on a different machine (until to complete the maximum number of machines) and not on a same machine, viz :

Job A with 2 process:

Machine 1:
CPU0 Empty
CPU1 Used
Machine 2:
CPU0 Empty
CPU1 Used

but now it is scheduled as

Machine 1:
CPU0 Used
CPU1 Used
Machine 2:
CPU0 Empty
CPU1 Empty

Regards!Smilie
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SFOOD-CLUSTER(1)					      General Commands Manual						  SFOOD-CLUSTER(1)

NAME
sfood-cluster - read snakefood dependencies from stdin and cluster according to filenames SYNOPSIS
sfood-cluster [options] directories... DESCRIPTION
You need to call this script with the names of directories to cluster together, for relative filenames. OPTIONS
-h, --help show the help message and exit -f FROM_FILE, --from-file=FROM_FILE Read cluster list from the given filename. SEE ALSO
sfood(1), sfood-checker(1), sfood-copy(1), sfood-flatten(1), sfood-graph(1), sfood-imports(1). AUTHOR
sfood-cluster was written by Martin Blais <blais@furius.ca> and it's part of snakefood suite. This manual page was written by Sandro Tosi <morph@debian.org>, for the Debian project (and may be used by others). January 2, 2009 SFOOD-CLUSTER(1)