[gpaw-users] GPAW with mpirun on multiple hosts - revisited

Marcin Dulak Marcin.Dulak at fysik.dtu.dk
Mon Jul 2 12:52:06 CEST 2012


Hi,

is your working directory on a shared filesystem (nfs)?
Can you run the following, these examples print to stdout:
mpiexec -wdir `pwd` --tmpdir `pwd` --debug-daemons --verbose --hostfile 
mpihosts gpaw-python -c "import gpaw.mpi; print gpaw.mpi.rank"
mpiexec -wdir `pwd` --tmpdir `pwd` --debug-daemons --verbose --hostfile 
mpihosts gpaw-python gpaw/test/hgh_h2o.py
and this one creates H.txt
mpiexec -wdir `pwd` --tmpdir `pwd` --debug-daemons --verbose --hostfile 
mpihosts gpaw-python gpaw/test/ase3k.py

mpihosts contains one hostname per line.

Marcin

On 06/29/12 15:03, Jesper Rude Selknæs wrote:
> Hi list
>
> I am experiencing a problem, which has previously been described in
> the list by Chris Willmore in the tread "GPAW with mpirun on multiple
> hosts". I am experiencing the exact same problem, but the old thread
> does not yield a solution. Does anybody out there has an idea of what
> the cause of this problem is, and how i might resolve it ?
>
> Thanks in advance.
>
> Jesper R. Selknæs
>
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