1 /* Copyright (c) 2010-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #ifndef SMPI_COMM_HPP_INCLUDED
8 #define SMPI_COMM_HPP_INCLUDED
19 MPIR_Topo_type topoType_;
20 MPI_Topology topo_; // to be replaced by an union
22 MPI_Comm leaders_comm_;//inter-node communicator
23 MPI_Comm intra_comm_;//intra-node communicator . For MPI_COMM_WORLD this can't be used, as var is global.
24 //use an intracomm stored in the process data instead
25 int* leaders_map_; //who is the leader of each process
27 int* non_uniform_map_; //set if smp nodes have a different number of processes allocated
28 int is_blocked_;// are ranks allocated on the same smp node contiguous ?
29 xbt_dict_t attributes_;
33 Comm(MPI_Group group, MPI_Topology topo);
36 int dup(MPI_Comm* newcomm);
41 void get_name (char* name, int* len);
42 void set_leaders_comm(MPI_Comm leaders);
43 void set_intra_comm(MPI_Comm leaders);
44 int* get_non_uniform_map();
45 int* get_leaders_map();
46 MPI_Comm get_leaders_comm();
47 MPI_Comm get_intra_comm();
50 MPI_Comm split(int color, int key);
52 void cleanup_attributes();
56 int attr_delete(int keyval);
57 int attr_get(int keyval, void* attr_value, int* flag);
58 int attr_put(int keyval, void* attr_value);