opal_btl_usnic_hwloc_distance 18 opal/mca/btl/usnic/btl_usnic_hwloc.h int opal_btl_usnic_hwloc_distance(opal_btl_usnic_module_t *module); opal_btl_usnic_hwloc_distance 2150 opal/mca/btl/usnic/btl_usnic_module.c opal_btl_usnic_hwloc_distance(module);