OpenMPI Users,
Are any of you using hwloc on Power9 hardware, specifically the IBM
AC922 servers? If so, have you encountered any issues? I checked the
documentation for the latest version (2.03), and found this:
Since it uses standard Operating System information, hwloc's support
is mostly independant from the processor type
(x86, powerpc, ...) and just relies on the Operating System support.
and this:
To check whether hwloc works on a particular machine, just try to
build it and run lstopo or lstopo-no-graphics.
If some things do not look right (e.g. bogus or missing cache information
We haven't bought any AC922 nodes yet, so i can't try that just yet We
are looking to purchase a small cluster, and want to make sure there are
no known issues between the hardware and software before we make a
purchase.
Any feedback will be greatly appreciated.
Thanks,
Prentice
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