reduce_kary_tree_top 400 ompi/mca/coll/portals4/coll_portals4_reduce.c ret = reduce_kary_tree_top(sendbuf, recvbuf, count, reduce_kary_tree_top 437 ompi/mca/coll/portals4/coll_portals4_reduce.c ret = reduce_kary_tree_top(sendbuf, recvbuf, count,