It looks like NUMA is broken, while others such as SOCKET and L3CACHE
work fine. A quick look in opal_hwloc_base_get_relative_locality() and
friends tells me that those functions were not properly updated to hwloc
2.0 NUMA changes. I'll try to understand what's going on tomorrow.
Rebuilding OMPI w
Hello,
I'm trying to split the world communicator by NUMA using
MPI_Comm_split_type. I expected to get as many sub communicators as the
NUMA nodes, but what I get is as many sub communicator as the number of
mpi processes each containing one process.
Attached is a reproducer code. I tried
