[GE users] MPICH2 tight integration with SGE

Reuti reuti at staff.uni-marburg.de
Wed Apr 19 15:58:40 BST 2006


Goncalo,

Am 19.04.2006 um 16:42 schrieb Goncalo Borges:

>
>
> Dear All,
>
> I have sucessed implementing MPICH2 tight integration with SGE  
> using ssh
> instead of the rsh (which is the default protocol used in the mpich2
> integration how-to:
> http://gridengine.sunsource.net/project/gridengine/howto/mpich2- 
> integration/mpich2-integration.html).
>
> Mpi jobs run using:
>
>> export MPIEXEC_RSH=ssh
>> mpiexec -ssh -nopm -n $NSLOTS -machinefile $TMPDIR/machines $HOME/ 
>> <executable>

AFAIR I got this startup method off-list direct from the MPICH2  
developers, and as it worked I didn't investigated this further. I  
would suggest to ask on the MPICH2 list to clarify the things.  
(assumption: -nopm = no processmanager)

http://www-unix.mcs.anl.gov/mpi/mpich/maillist.htm

Cheers - Reuti


> Nevertheless, I would like to know what is the meaning of the
> "-ssh or -rsh" and "-nopm" options used after the mpiexec instruction.
> I have looked in the man pages and there are no such kind of options.
> Could you clarify the issue?
> Cheers
> Goncalo
>
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