How To Install blacs-mpi-test on Ubuntu 18.04
Introduction
In this tutorial we learn how to install blacs-mpi-test on Ubuntu 18.04.
What is blacs-mpi-test
blacs-mpi-test is:
The BLACS project is an ongoing investigation whose purpose is to create a linear algebra oriented message passing interface that may be implemented efficiently and uniformly across a large range of distributed memory platforms.
You can choose between an implementation based on MPI or PVM. This package uses MPI. There are packages for the shared libraries, for the static libraries and the development files, and for test programs (this one).
Most users do not need to install this package directly because it contains test programs for the BLACS libraries. You only need these if you experience problems with ScaLAPACK. The BLACS libraries are used as a high level communications library for ScaLAPACK. ScaLAPACK is a parallel version of LAPACK and is used on Beowulf type clusters.
There are three methods to install blacs-mpi-test on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install blacs-mpi-test Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install blacs-mpi-test using apt-get by running the following command:
sudo apt-get -y install blacs-mpi-test
Install blacs-mpi-test Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install blacs-mpi-test using apt by running the following command:
sudo apt -y install blacs-mpi-test
Install blacs-mpi-test Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install blacs-mpi-test using aptitude by running the following command:
sudo aptitude -y install blacs-mpi-test
How To Uninstall blacs-mpi-test on Ubuntu 18.04
To uninstall only the blacs-mpi-test package we can use the following command:
sudo apt-get remove blacs-mpi-test
Uninstall blacs-mpi-test And Its Dependencies
To uninstall blacs-mpi-test and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove blacs-mpi-test
Remove blacs-mpi-test Configurations and Data
To remove blacs-mpi-test configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge blacs-mpi-test
Remove blacs-mpi-test configuration, data, and all of its dependencies
We can use the following command to remove blacs-mpi-test configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge blacs-mpi-test
References
Summary
In this tutorial we learn how to install blacs-mpi-test package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
