Open MPI User's Mailing List Archives

Subject: Re: [OMPI users] Mpirun: How to print STDOUT of just one process?
From: Paul Kapinos (kapinos_at_[hidden])
Date: 2012-02-01 11:17:50

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• Reply: Frank: "Re: [OMPI users] Mpirun: How to print STDOUT of just one process?"

Try out the attached wrapper:
$ mpiexec -np 2 masterstdout <prg>

> mpirun -n 2 <prg>

> Is there a way to have mpirun just merger STDOUT of one process to its
> STDOUT stream?

-- 
Dipl.-Inform. Paul Kapinos   -   High Performance Computing,
RWTH Aachen University, Center for Computing and Communication
Seffenter Weg 23,  D 52074  Aachen (Germany)
Tel: +49 241/80-24915

#!/bin/sh
ARGS=$@
if [[ $OMPI_COMM_WORLD_RANK == 0 ]]
then
  $ARGS
else
  $ARGS 1>/dev/null 2>/dev/null
fi

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• Next message: Reuti: "Re: [OMPI users] Spawn_multiple with tight integration to SGE grid engine"
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• In reply to: Frank: "[OMPI users] Mpirun: How to print STDOUT of just one process?"
• Next in thread: Frank: "Re: [OMPI users] Mpirun: How to print STDOUT of just one process?"
• Reply: Frank: "Re: [OMPI users] Mpirun: How to print STDOUT of just one process?"