How To Install mpi4py-openmpi on CentOS 7
Introduction
In this tutorial we learn how to install mpi4py-openmpi on CentOS 7.
What is mpi4py-openmpi
This package is constructed on top of the MPI-1/MPI-2 specification and provides an object oriented interface which closely follows MPI-2 C++ bindings. It supports point-to-point (sends, receives) and collective (broadcasts, scatters, gathers) communications of any picklable Python object as well as optimized communications of Python object exposing the single-segment buffer interface (NumPy arrays, built-in bytes/string/array objects). This package contains mpi4py compiled against Open MPI.
We can use yum or dnf to install mpi4py-openmpi on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install mpi4py-openmpi.
Install mpi4py-openmpi on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install mpi4py-openmpi using yum by running the following command:
sudo yum -y install mpi4py-openmpi
Install mpi4py-openmpi on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install mpi4py-openmpi using dnf by running the following command:
sudo dnf -y install mpi4py-openmpi
How To Uninstall mpi4py-openmpi on CentOS 7
To uninstall only the mpi4py-openmpi package we can use the following command:
sudo dnf remove mpi4py-openmpi
References
Summary
In this tutorial we learn how to install mpi4py-openmpi on CentOS 7 using yum and dnf.
