1 /* Copyright (c) 2010-2019. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #ifndef SMPI_TOPO_HPP_INCLUDED
7 #define SMPI_TOPO_HPP_INCLUDED
9 #include "smpi_comm.hpp"
10 #include "smpi_status.hpp"
12 typedef SMPI_Topology *MPI_Topology;
21 virtual ~Topo() = default;
22 MPI_Comm getComm() const { return comm_; }
23 void setComm(MPI_Comm comm) { comm_ = comm; }
26 class Topo_Cart: public Topo {
34 explicit Topo_Cart(int ndims);
35 Topo_Cart(const Topo_Cart&) = delete;
36 Topo_Cart& operator=(const Topo_Cart&) = delete;
38 Topo_Cart(MPI_Comm comm_old, int ndims, int dims[], int periods[], int reorder, MPI_Comm* comm_cart);
39 Topo_Cart* sub(const int remain_dims[], MPI_Comm* newcomm);
40 int coords(int rank, int maxdims, int coords[]);
41 int get(int maxdims, int* dims, int* periods, int* coords);
42 int rank(int* coords, int* rank);
43 int shift(int direction, int disp, int* rank_source, int* rank_dest);
44 int dim_get(int* ndims);
45 static int Dims_create(int nnodes, int ndims, int dims[]);
49 class Topo_Graph: public Topo {
56 Topo_Graph(const Topo_Graph&) = delete;
57 Topo_Graph& operator=(const Topo_Graph&) = delete;
61 class Topo_Dist_Graph: public Topo {
69 Topo_Dist_Graph(const Topo_Dist_Graph&) = delete;
70 Topo_Dist_Graph& operator=(const Topo_Dist_Graph&) = delete;