is_reduce_optimizable 79 ompi/mca/coll/portals4/coll_portals4_allreduce.c request->u.allreduce.is_optim = is_reduce_optimizable(dtype, length, op, &ptl_dtype, &ptl_op); is_reduce_optimizable 80 ompi/mca/coll/portals4/coll_portals4_reduce.c request->u.reduce.is_optim = is_reduce_optimizable(dtype, length, op, &ptl_dtype, &ptl_op);