How To Install hwloc on Ubuntu
Posted on April 1, 2023 (Last modified on May 20, 2023 )
3 minutes • 438 words
Introduction
In this tutorial we learn how to install hwloc on Ubuntu.
What is hwloc
hwloc is:
Hardware Locality (hwloc) provides a portable abstraction (across OS, versions, architectures, …) of the hierarchical topology of modern architectures. It primarily aims at helping high-performance computing applications with gathering information about the hardware so as to exploit it accordingly and efficiently.
hwloc provides a hierarchical view of the machine, NUMA memory nodes, sockets, shared caches, cores and simultaneous multithreading. It also gathers various attributes such as cache and memory information.
hwloc supports old kernels not having sysfs topology information, with knowledge of cpusets, offline cpus, and Kerrighed support
This package contains utilities to show the topology of the machine (lstopo and hwloc-ls), manipulate cpu masks (hwloc-calc), and bind processes (hwloc-bind).
There are three methods to install hwloc on Ubuntu. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install hwloc Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install hwloc using apt-get by running the following command:
sudo apt-get -y install hwloc
Install hwloc Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install hwloc using apt by running the following command:
sudo apt -y install hwloc
Install hwloc 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 hwloc using aptitude by running the following command:
sudo aptitude -y install hwloc
How To Uninstall hwloc on Ubuntu
To uninstall only the hwloc package we can use the following command:
sudo apt-get remove hwloc
Uninstall hwloc And Its Dependencies
To uninstall hwloc and its dependencies that are no longer needed by Ubuntu, we can use the command below:
sudo apt-get -y autoremove hwloc
Remove hwloc Configurations and Data
To remove hwloc configuration and data from Ubuntu we can use the following command:
sudo apt-get -y purge hwloc
Remove hwloc configuration, data, and all of its dependencies
We can use the following command to remove hwloc configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge hwloc
Dependencies
hwloc have the following dependencies:
References
Summary
In this tutorial we learn how to install hwloc package on Ubuntu using different package management tools: apt, apt-get and aptitude.