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hwloc

Description

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, shared caches, processor sockets, processor cores and processing units (logical processors or "threads"). It also gathers various system attributes such as cache and memory information. It primarily aims at helping applications with gathering information about modern computing hardware so as to exploit it accordingly and efficiently.

hwloc may display the topology in multiple convenient formats. It also offers a powerful programming interface (C API) to gather information about the hardware, bind processes, and much more.

The library is available as 32-bit and 64-bit:

  • If you are compiling a 32-bit program, no special compiler options are needed.
  • If you are compiling a 64-bit program, you have to compile and link your application with "cc -q64" or "gcc -maix64".

Homepage: http://www.open-mpi.org/projects/hwloc/

Version: 1.9.1-1

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Page last modified on October 15, 2014, at 10:22 PM