figured it out ... hwloc version 2.0.2 was too new ... oncei used hwloc-1.11.11
instead things worked ...
mic
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Hi,
In the past I compiled gmx 2016.4 on our old cluster and this worked as
expected.
Now I just compiled 2018.3 only to find that the resulting binary was
unexpectedly slow ...
On each node I have a multi-core architecture with 12 logical threads,
but htop shows that gmx uses only one thread.
