-/* Copyright (c) 2010-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2010-2021. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include <list>
#include <string>
+#include <memory>
+#include "smpi_errhandler.hpp"
#include "smpi_keyvals.hpp"
#include "smpi_group.hpp"
#include "smpi_topo.hpp"
namespace smpi{
class Comm : public F2C, public Keyval{
+ friend Topo;
MPI_Group group_;
- SMPI_Topo_type topoType_;
- MPI_Topology topo_; // to be replaced by an union
- int refcount_;
- MPI_Comm leaders_comm_; // inter-node communicator
- MPI_Comm intra_comm_; // intra-node communicator . For MPI_COMM_WORLD this can't be used, as var is global.
- // use an intracomm stored in the process data instead
- int* leaders_map_; // who is the leader of each process
- int is_uniform_;
- int* non_uniform_map_; // set if smp nodes have a different number of processes allocated
- int is_blocked_; // are ranks allocated on the same smp node contiguous ?
- int is_smp_comm_; // set to 0 in case this is already an intra-comm or a leader-comm to avoid recursivity
+ SMPI_Topo_type topoType_ = MPI_INVALID_TOPO;
+ std::shared_ptr<Topo> topo_; // to be replaced by an union
+ int refcount_ = 1;
+ MPI_Comm leaders_comm_ = MPI_COMM_NULL; // inter-node communicator
+ MPI_Comm intra_comm_ = MPI_COMM_NULL; // intra-node communicator. For MPI_COMM_WORLD this can't be used, as var is
+ // global. Use an intracomm stored in the process data instead
+ int* leaders_map_ = nullptr; // who is the leader of each process
+ int is_uniform_ = 1;
+ int* non_uniform_map_ = nullptr; // set if smp nodes have a different number of processes allocated
+ int is_blocked_ = 0; // are ranks allocated on the same smp node contiguous ?
+ bool is_smp_comm_ = false; // set to false in case this is already an intra-comm or a leader-comm to avoid
+ // recursion
std::list<MPI_Win> rma_wins_; // attached windows for synchronization.
std::string name_;
- MPI_Info info_;
+ MPI_Info info_ = MPI_INFO_NULL;
+ int id_;
+ MPI_Errhandler errhandler_ = MPI_ERRORS_ARE_FATAL;
public:
static std::unordered_map<int, smpi_key_elem> keyvals_;
static int keyval_id_;
Comm() = default;
- Comm(MPI_Group group, MPI_Topology topo, int smp = 0);
+ Comm(MPI_Group group, MPI_Topology topo, bool smp = false, int id = MPI_UNDEFINED);
int dup(MPI_Comm* newcomm);
+ int dup_with_info(MPI_Info info, MPI_Comm* newcomm);
MPI_Group group();
- MPI_Topology topo() { return topo_; }
- int size();
- int rank();
- void get_name(char* name, int* len);
- void set_name(char* name);
+ MPI_Topology topo() const { return topo_; }
+ void set_topo(MPI_Topology topo){topo_=topo;}
+ int size() const;
+ int rank() const;
+ int id() const;
+ void get_name(char* name, int* len) const;
+ void set_name(const char* name);
MPI_Info info();
void set_info( MPI_Info info);
+ MPI_Errhandler errhandler();
+ void set_errhandler( MPI_Errhandler errhandler);
void set_leaders_comm(MPI_Comm leaders);
void set_intra_comm(MPI_Comm leaders) { intra_comm_ = leaders; };
- int* get_non_uniform_map();
- int* get_leaders_map();
- MPI_Comm get_leaders_comm();
- MPI_Comm get_intra_comm();
- int is_uniform();
- int is_blocked();
- int is_smp_comm();
+ int* get_non_uniform_map() const;
+ int* get_leaders_map() const;
+ MPI_Comm get_leaders_comm() const;
+ MPI_Comm get_intra_comm() const;
+ MPI_Comm find_intra_comm(int* leader);
+ bool is_uniform() const;
+ bool is_blocked() const;
+ bool is_smp_comm() const;
MPI_Comm split(int color, int key);
void cleanup_smp();
void ref();
static void destroy(MPI_Comm comm);
void init_smp();
- int add_f() override;
static void free_f(int id);
static Comm* f2c(int);
void add_rma_win(MPI_Win win);
void remove_rma_win(MPI_Win win);
- void finish_rma_calls();
- MPI_Comm split_type(int type, int key, MPI_Info info);
+ void finish_rma_calls() const;
+ MPI_Comm split_type(int type, int key, const Info* info);
};
} // namespace smpi