[Beowulf] AMD Epyc + Omni-Path?

Peter Kjellström cap at nsc.liu.se
Thu Mar 22 03:31:34 PDT 2018

On Wed, 21 Mar 2018 18:10:13 -0700
Bill Broadley <bill at cse.ucdavis.edu> wrote:

> Anyone else running AMD Epyc (or any other non Intel CPU) and
> Omni-Path?
> I've have some AMD Epyc 7451 nodes working, but I went to buy more
> only to hear that it's not a configuration that the vendor or Intel
> will support.

Intel has a very narrow "supported" definition for OPA: Haswell-E5,
Broadwell-E5, Skylake Xeon Scalable.

I personally don't think there's anything technical behind this, just

We run OPA on some old (Nehalem) nodes as a test platform for our
system environment (without problems).

/Peter K

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