[GE users] Problem with tight integration of mpich2

Mark Whidby mark.whidby at manchester.ac.uk
Fri Jan 25 08:47:10 GMT 2008


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Reuti wrote:
> Hi,
> 
> Am 24.01.2008 um 12:39 schrieb Mark Whidby:
> 
>> I'm trying to set up tight integration of mpich2 following the guidelines
>> at 
>> http://gridengine.sunsource.net/howto/mpich2-integration/mpich2-integration.html 
>>
>> for the daemonless smpd startup method.
>>
>> My job file looks like this:-
>>
>> ------
>> #!/bin/sh
>>
>> # request Bourne shell as shell for job
>> #$ -S /bin/sh
>>
>> export MPIEXEC_RSH=rsh
>> export PATH=/home/zlsiimw/opt/mpich2/1.0.6p1-smpd/bin:$PATH
>>
>> echo RSH is: `which rsh`
>> echo MPIEXEC is: `which mpiexec`
>> echo NSLOTS is: $NSLOTS
>>
>> mpiexec -rsh -nopm -n $NSLOTS -machinefile $TMPDIR/machines 
>> /home/zlsiimw/Beowulf/mpihello/mpihello
>>
>> exit 0
>> ------
>>
>> The output file looks like this:-
>>
>> ------
>> RSH is: /tmp/1002.1.terra/rsh
>> MPIEXEC is: /home/zlsiimw/opt/mpich2/1.0.6p1-smpd/bin/mpiexec
>> NSLOTS is: 4
>> /opt/sge/bin/lx24-amd64/qrsh -inherit node3 env
>> /opt/sge/bin/lx24-amd64/qrsh -inherit node2 env
>> /opt/sge/bin/lx24-amd64/qrsh -inherit node4 env
>> /opt/sge/bin/lx24-amd64/qrsh -inherit node1 env
> 
> confirmed!
> 
> Obviously here is already something missing, so it looks like a changed 
> behavior in the latest MPCIH2 release. Just for curiosity: can you try 
> an older version of MPICH2? If it's working, we have to move to the 
> MPICH list.

I've now tried an older version (1.0.4p1) and it works correctly - so, as you
say, something must have changed in this area. I will investigate further.

-- 
Mark Whidby
Information Systems
Faculty of Engineering and Physical Sciences

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