[Beowulf] big read triggers migration and slow memory IO?

Christopher Samuel samuel at unimelb.edu.au
Wed Jul 8 16:52:07 PDT 2015

On 09/07/15 09:45, mathog wrote:

> I don't have anything called hwloc-ls on this system.  What package
> provides it?  This is a Centos system.

It should be in the hwloc package.

Alternatively you can get a newer version directly from:


The graphical "lstopo" included is rather nice for displaying topology
too (it can read PCI info too with the right dependencies).

All the best,
 Christopher Samuel        Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computation Initiative
 Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
 http://www.vlsci.org.au/      http://twitter.com/vlsci

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