OMPI_OP_MAXLOC     53 ompi/mca/coll/portals4/coll_portals4_component.c         [OMPI_OP_MAXLOC] = COLL_PORTALS4_NO_OP,
OMPI_OP_MAXLOC    295 ompi/op/op.c           ompi_mpi_op_maxloc.op.op_type = OMPI_OP_MAXLOC;