How To Install libopenblas0-openmp on Ubuntu 20.04
Introduction
In this tutorial we learn how to install libopenblas0-openmp on Ubuntu 20.04.
What is libopenblas0-openmp
libopenblas0-openmp is:
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.
Unlike Atlas, OpenBLAS provides a multiple architecture library.
All kernel will be included in the library and dynamically switched to the best architecture at run time (only on amd64, arm64, i386 and ppc64el).
For more information on how to rebuild locally OpenBLAS, see the section: “Building Optimized OpenBLAS Packages on your ARCH” in README.Debian
Configuration: USE_THREAD=1 USE_OPENMP=1 INTERFACE64=0
Package: libopenblas0-openmp Architecture: amd64 Version: 0.3.8+ds-1 Multi-Arch: same Priority: optional Section: universe/libs Source: openblas Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian Science Team [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 93507 Provides: libblas.so.3, liblapack.so.3 Depends: libc6 (>= 2.29), libgfortran5 (>= 8), libgomp1 (>= 4.9) Breaks: libatlas3-base (« 3.10.3-4~), libblas3 (« 3.7.1-2~), liblapack3 (« 3.7.1-2~), libopenblas-dev (« 0.2.20+ds-3~) Filename: pool/universe/o/openblas/libopenblas0-openmp_0.3.8+ds-1_amd64.deb Size: 9164860 MD5sum: 7c1638b7176eb8e99796b6c2d6cf7682 SHA1: e1a7d347a8d2f5b94fcbc6c82bc6933dc2efd7f7 SHA256: d1252d87a257c4b8fbff8bd858668452167e656048c0957596e3adcfca401667 Homepage: https://github.com/xianyi/OpenBLAS Description-en: Optimized BLAS (linear algebra) library (shared lib, openmp) OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.
Unlike Atlas, OpenBLAS provides a multiple architecture library.
All kernel will be included in the library and dynamically switched to the best architecture at run time (only on amd64, arm64, i386 and ppc64el).
For more information on how to rebuild locally OpenBLAS, see the section: “Building Optimized OpenBLAS Packages on your ARCH” in README.Debian
Configuration: USE_THREAD=1 USE_OPENMP=1 INTERFACE64=0
There are three methods to install libopenblas0-openmp on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libopenblas0-openmp Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libopenblas0-openmp using apt-get by running the following command:
sudo apt-get -y install libopenblas0-openmp
Install libopenblas0-openmp Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libopenblas0-openmp using apt by running the following command:
sudo apt -y install libopenblas0-openmp
Install libopenblas0-openmp 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 libopenblas0-openmp using aptitude by running the following command:
sudo aptitude -y install libopenblas0-openmp
How To Uninstall libopenblas0-openmp on Ubuntu 20.04
To uninstall only the libopenblas0-openmp package we can use the following command:
sudo apt-get remove libopenblas0-openmp
Uninstall libopenblas0-openmp And Its Dependencies
To uninstall libopenblas0-openmp and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove libopenblas0-openmp
Remove libopenblas0-openmp Configurations and Data
To remove libopenblas0-openmp configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge libopenblas0-openmp
Remove libopenblas0-openmp configuration, data, and all of its dependencies
We can use the following command to remove libopenblas0-openmp configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libopenblas0-openmp
References
Summary
In this tutorial we learn how to install libopenblas0-openmp package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
