How To Install openmpi on CentOS 7
Introduction
In this tutorial we learn how to install openmpi on CentOS 7.
What is openmpi
Open MPI is an open source, freely available implementation of both the MPI-1 and MPI-2 standards, combining technologies and resources from several other projects (FT-MPI, LA-MPI, LAM/MPI, and PACX-MPI) in order to build the best MPI library available. A completely new MPI-2 compliant implementation, Open MPI offers advantages for system and software vendors, application developers, and computer science researchers. For more information, see http Open MPI is an open source, freely available implementation of both the MPI-1 and MPI-2 standards, combining technologies and resources from several other projects (FT-MPI, LA-MPI, LAM/MPI, and PACX-MPI) in order to build the best MPI library available. A completely new MPI-2 compliant implementation, Open MPI offers advantages for system and software vendors, application developers, and computer science researchers. For more information, see http
We can use yum or dnf to install openmpi on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install openmpi.
Install 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 openmpi using yum by running the following command:
sudo yum -y install openmpi
Install 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 openmpi using dnf by running the following command:
sudo dnf -y install openmpi
How To Uninstall openmpi on CentOS 7
To uninstall only the openmpi package we can use the following command:
sudo dnf remove openmpi
References
Summary
In this tutorial we learn how to install openmpi on CentOS 7 using yum and dnf.