How To Install blacs-openmpi3 on CentOS 7

In this tutorial we learn how to install blacs-openmpi3 on CentOS 7. blacs-openmpi3 is BLACS libraries compiled against openmpi3

Introduction

In this tutorial we learn how to install blacs-openmpi3 on CentOS 7.

What is blacs-openmpi3

The BLACS (Basic Linear Algebra Communication Subprograms) 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. The length of time required to implement efficient distributed memory algorithms makes it impractical to rewrite programs for every new parallel machine. The BLACS exist in order to make linear algebra applications both easier to program and more portable. This package contains BLACS libraries compiled with openmpi3.

We can use yum or dnf to install blacs-openmpi3 on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install blacs-openmpi3.

Install blacs-openmpi3 on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install blacs-openmpi3 using yum by running the following command:

sudo yum -y install blacs-openmpi3

Install blacs-openmpi3 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 blacs-openmpi3 using dnf by running the following command:

sudo dnf -y install blacs-openmpi3

How To Uninstall blacs-openmpi3 on CentOS 7

To uninstall only the blacs-openmpi3 package we can use the following command:

sudo dnf remove blacs-openmpi3

References

Summary

In this tutorial we learn how to install blacs-openmpi3 on CentOS 7 using yum and dnf.