Counting of cores

[Joe Sapp]

It seems like the number of physical compute cores counted by Parallel
is less than other tools (e.g., lscpu) by a factor of the number of
sockets, but I haven't tested it on many architectures.  In order to
fix this, I think the socket/core/thread counting scheme implemented
by Parallel should be changed.  Specifically, the "core id" associated
with a particular "physical id" should be counted, not just the unique
number of "core id" values.  Alternatively one could just multiply the
number of cores by the number of sockets and be done, but that doesn't
seem as reliable.  What do you think?

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Thanks,
Joe Sapp