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Subject: [OMPI users] Problems with program-execution with OpenMPI: Orted: command not found
From: gildo.rex_at_[hidden]
Date: 2008-04-22 02:56:10

Dear all,

I wanted to compare MPICH and OpenMPI. MPICH works fine. So I installed OpenMPI the same way (configure, make, make install). The commands are found in the OpenMPI installation directory.

When I tried to run programs I was a little bit confused, that there seems not to be a default hosts-file like in MPICH. I included it in the command with "--hostfile".

When I now want to run my first test with

  mpirun -np 2 --hostfile /home/stephan/mpd.hosts

I get the error-message:

  orted: command not found

The "orted"-executable resides as well as the "mpirun"- and "mpiexec"-executables in the directory /home/stephan/openmpi-install. "orted" is also found by "which orted".

What might be the problem? How does "orted" work? I'm not conscious about anything equivalent in MPICH...

Thanks in advance for your help!

Kind Regards


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