'mpirun python3 mpi4py runs in serial instead of parallel
I try to run the example
mpiexec -n 5 python -m mpi4py.bench helloworld
that works well on my local computer, on a cluster.
However, on the cluster it simply runs in serial several times.
$ mpiexec --version
Intel(R) MPI Library for Linux* OS, Version 2021.5 Build 20211102 (id: 9279b7d62)
Copyright 2003-2021, Intel Corporation.
$ python --version
Python 3.8.5
$ pip show mpi4py
Name: mpi4py
Version: 3.1.3
Summary: Python bindings for MPI
Home-page: https://github.com/mpi4py/mpi4py/
Author: Lisandro Dalcin
Author-email: [email protected]
License: BSD
Location: /mn/stornext/d13/euclid/oyvinch/pyenv/main/lib/python3.8/site-packages
Requires:
Required-by: mpsort, nbodykit, pfft-python, pmesh
Does anyone have any input?
Sources
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