A couple things to try
Put -np 2 after -hostfile /home/stephan/mpd.hosts
put the command you want to run after -np 2
On Apr 21, 2008, at 11:56 PM, gildo.rex_at_[hidden] wrote:
> 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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