On 1 October 2016 at 11:37, Edward d'Auvergne <edw...@nmr-relax.com> wrote:
> 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]$
Or with some more info:
[edward@localhost ~]$ mpirun -np 4 python -c "import mpi4py; from
mpi4py import MPI; print('Mpi4py %s process %d of %d on %s.' %
(mpi4py.__version__, MPI.COMM_WORLD.Get_rank(),
MPI.COMM_WORLD.Get_size(), MPI.Get_processor_name()))"
Mpi4py 1.3.1 process 0 of 4 on localhost.localdomain.
Mpi4py 1.3.1 process 1 of 4 on localhost.localdomain.
Mpi4py 1.3.1 process 2 of 4 on localhost.localdomain.
Mpi4py 1.3.1 process 3 of 4 on localhost.localdomain.
[edward@localhost ~]$
Regards,
Edward
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