On 1 October 2016 at 11:26, Edward d'Auvergne <edw...@nmr-relax.com> wrote:
> On 1 October 2016 at 01:21, <tlin...@nmr-relax.com> wrote:
>> Author: tlinnet
>> Date: Sat Oct 1 01:21:30 2016
>> New Revision: 28234
>>
>> URL: http://svn.gna.org/viewcvs/relax?rev=28234&view=rev
>> Log:
>> Added initial script for testing openmpi.
>>
>> Added:
>> trunk/devel_scripts/openmpi_test_install.sh
>> Modified:
>> trunk/devel_scripts/deploy_google_computing_redhat_6_86_x64.sh
>
> Hi Troels,
>
> I would suggest adding a simple Python hello world script (e.g.
> https://github.com/erdc-cm/mpi4py/blob/master/demo/helloworld.py).
> That way you can test OpenMPI by itself, mpi4py in pure Python, and
> mpi4py in relax. It will isolate the problem to either MPI, mpi4py or
> relax.
Here is a simple way to do it from the command line:
[edward@localhost relax-trunk]$ mpirun -np 4 python -c "from mpi4py
import MPI; print('Process %d of %d on %s.' %
(MPI.COMM_WORLD.Get_rank(), MPI.COMM_WORLD.Get_size(),
MPI.Get_processor_name()))"
Process 2 of 4 on localhost.localdomain.
Process 3 of 4 on localhost.localdomain.
Process 0 of 4 on localhost.localdomain.
Process 1 of 4 on localhost.localdomain.
[edward@localhost relax-trunk]$
Regards,
Edward
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