Comment (by Roland Haas):

Just to be clear, by 8 CPU you mean 8 CPU sockets (which would make this a very large node indeed)? Or 8 cores (which would make this almost small by today’s standards)? Basically if you run cat /proc/cpuinfo, what is the highest value for processor that you see? I would guess either 7 or 191. You can also try to see if lscpu exists which will give output in a bit of a nicer form than the raw cpuinfo output.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2670/refinement-prolongation-all-points-must