On 01/21/2011 12:26 PM, Steffen Brinkmann wrote:
> /home_dir/openmpi-1.4.3_installation/bin/mpirun -n 32 hostname
>
> returns 32 times the same node.
>
> What did I do wrong???
You need to tell OpenMPI on which hosts to run - for example by suppling
a host file:
/home_dir/openmpi-1.4.3_installation/bin/mpirun -n 32 --hostfile
./myhosts hostname
But you should have courses on that in Stuttgart.... ;) SCNR
Nico
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