How To Install openblas on CentOS 8

openblas is An optimized BLAS library based on GotoBLAS2 An optimized BLAS library based on GotoBLAS2

Introduction

In this tutorial we learn how to install openblas on CentOS 8.

What is openblas

OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. The project is supported by the Lab of Parallel Software and Computational Science, ISCAS. http openblas 0.3.12 1.el8 x86_64 4.6 M openblas-0.3.12-1.el8.src.rpm appstream An optimized BLAS library based on GotoBLAS2 https BSD OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. The project is supported by the Lab of Parallel Software and Computational Science, ISCAS. http

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

Install openblas 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 openblas using dnf by running the following command:

sudo dnf -y install openblas

Install openblas 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 openblas using yum by running the following command:

sudo yum -y install openblas

How To Uninstall openblas on CentOS 8

To uninstall only the openblas package we can use the following command:

sudo dnf remove openblas

openblas Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/3a
/usr/lib/.build-id/3a/6db27484043f5fc712ec1d6d105f4aa6dacdfc
/usr/lib/libopenblas-r0.3.12.so
/usr/lib/libopenblas.so.0
/usr/share/doc/openblas
/usr/share/doc/openblas/Changelog.txt
/usr/share/doc/openblas/GotoBLAS_00License.txt
/usr/share/doc/openblas/GotoBLAS_01Readme.txt
/usr/share/doc/openblas/GotoBLAS_02QuickInstall.txt
/usr/share/doc/openblas/GotoBLAS_03FAQ.txt
/usr/share/doc/openblas/GotoBLAS_04FAQ.txt
/usr/share/doc/openblas/GotoBLAS_05LargePage.txt
/usr/share/doc/openblas/GotoBLAS_06WeirdPerformance.txt
/usr/share/doc/openblas/LICENSE
/usr/lib/.build-id
/usr/lib/.build-id/86
/usr/lib/.build-id/86/99312938cb1b5c8de56ed903a0fad9541df0cb
/usr/lib64/libopenblas-r0.3.12.so
/usr/lib64/libopenblas.so.0
/usr/share/doc/openblas
/usr/share/doc/openblas/Changelog.txt
/usr/share/doc/openblas/GotoBLAS_00License.txt
/usr/share/doc/openblas/GotoBLAS_01Readme.txt
/usr/share/doc/openblas/GotoBLAS_02QuickInstall.txt
/usr/share/doc/openblas/GotoBLAS_03FAQ.txt
/usr/share/doc/openblas/GotoBLAS_04FAQ.txt
/usr/share/doc/openblas/GotoBLAS_05LargePage.txt
/usr/share/doc/openblas/GotoBLAS_06WeirdPerformance.txt
/usr/share/doc/openblas/LICENSE

References

Summary

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