hwloc lstopo

Inria

Display the topology of your hardware using the hwloc library and lstopo tool

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The Portable Hardware Locality (hwloc) software package provides a portable abstraction (across OS, versions, architectures, ...) of the hierarchical topology of modern architectures, including NUMA memory nodes, sockets, shared caches, cores and simultaneous multithreading.

Developer

Inria

Website

www.open-mpi.org/projects/hwloc

Source code

github.com/open-mpi/hwloc

Added to AppCosmos

10 October 2026

License

BSD-3-Clause