If you want to do set thread-core affinity in a cross-platform way, hwloc is a good approach: https://www.open-mpi.org/projects/hwloc/doc/v2.7.0/a00166.php#gae4

If you want to do set thread-core affinity in a cross-platform way, hwloc is a good approach: https://www.open-mpi.org/projects/hwloc/doc/v2.7.0/a00166.php#gae42c01b2addcfbf6048b9a516dd7a906 https://www.open-mpi.org/projects/hwloc/doc/v2.7.0/a00166.ph...