log_radix         483 ompi/mca/coll/base/coll_base_topo.c     int log_radix = 0;
log_radix         485 ompi/mca/coll/base/coll_base_topo.c         log_radix++;
log_radix         486 ompi/mca/coll/base/coll_base_topo.c     int nchilds_max = (radix - 1) * log_radix;