How To Install atlas-corei2 on CentOS 8

atlas-corei2 is ATLAS libraries for Corei2 (Ivy/Sandy bridge) CPUs

Introduction

In this tutorial we learn how to install atlas-corei2 on CentOS 8.

What is atlas-corei2

This package contains the ATLAS (Automatically Tuned Linear Algebra Software) libraries compiled with optimizations for the Corei2 (Ivy/Sandy bridge) CPUs. The base ATLAS builds for the x86_64 architecture are made for the hammer64 CPUs.

We can use yum or dnf to install atlas-corei2 on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install atlas-corei2.

Install atlas-corei2 on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install atlas-corei2 using dnf by running the following command:

sudo dnf -y install atlas-corei2

Install atlas-corei2 on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install atlas-corei2 using yum by running the following command:

sudo yum -y install atlas-corei2

How To Uninstall atlas-corei2 on CentOS 8

To uninstall only the atlas-corei2 package we can use the following command:

sudo dnf remove atlas-corei2

atlas-corei2 Package Contents on CentOS 8

/etc/ld.so.conf.d/atlas-x86_64-corei2.conf
/usr/lib/.build-id
/usr/lib/.build-id/c2
/usr/lib/.build-id/c2/c17b66c50e4b8982c3da204fbaec197ee4a7da
/usr/lib/.build-id/d9
/usr/lib/.build-id/d9/2dcc6da289f8bf70c21a798e0d65d86e41a58e
/usr/lib64/atlas-corei2
/usr/lib64/atlas-corei2/libsatlas.so.3
/usr/lib64/atlas-corei2/libsatlas.so.3.10
/usr/lib64/atlas-corei2/libtatlas.so.3
/usr/lib64/atlas-corei2/libtatlas.so.3.10
/usr/share/doc/atlas-corei2
/usr/share/doc/atlas-corei2/README.dist

References

Summary

In this tutorial we learn how to install atlas-corei2 on CentOS 8 using yum and dnf.