Visualize CPU, cache, NUMA

Thanks to John Hearns for pointing out this cute little tool “hwloc” for displaying CPU cores, cache and NUMA.

hwloc-ls produces pretty pictures like these:

There’s also a C API.

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2 Comments

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2 responses to “Visualize CPU, cache, NUMA

  1. Well, not quite as pretty picture, but there’s also lscpu (part of util-linux-ng) that as of the latest upstream version does the right thing with NUMA. Not sure if that version is yet in Fedora.

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