-/* Copyright (c) 2010-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2010-2023. 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"
+#include "smpi_config.hpp"
-namespace simgrid{
-namespace smpi{
+namespace simgrid::smpi {
class Comm : public F2C, public Keyval{
friend Topo;
- MPI_Group group_;
+ MPI_Group group_ = MPI_GROUP_NULL;
SMPI_Topo_type topoType_ = MPI_INVALID_TOPO;
- MPI_Topology topo_; // to be replaced by an union
+ 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;
+ bool is_uniform_ = true;
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_blocked_ = false; // 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_NULL;
- int id_;
- MPI_Errhandler errhandler_ = MPI_ERRORS_ARE_FATAL;
+ int id_ = MPI_UNDEFINED;
+ MPI_Errhandler errhandler_ = _smpi_cfg_default_errhandler_is_error ? MPI_ERRORS_ARE_FATAL : MPI_ERRORS_RETURN;;
+ MPI_Errhandler* errhandlers_ = nullptr; //for MPI_COMM_WORLD only
+
+ std::unordered_map<std::string, unsigned int> sent_messages_;
+ std::unordered_map<std::string, unsigned int> recv_messages_;
+ unsigned int collectives_count_ = 0;
+ std::vector<unsigned int> collectives_counts_; // for MPI_COMM_WORLD only
public:
static std::unordered_map<int, smpi_key_elem> keyvals_;
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();
- int id();
- void get_name(char* name, int* len);
+ 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;
+ std::string name() const override;
void set_name(const char* name);
MPI_Info info();
void set_info( MPI_Info info);
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* 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();
- bool is_blocked();
- bool is_smp_comm();
+ 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 int keyval_create(MPI_Comm_copy_attr_function* copy_fn, MPI_Comm_delete_attr_function* delete_fn, int* keyval,
void* extra_state);
static int keyval_free(int* keyval);
- static void keyval_cleanup();
void add_rma_win(MPI_Win win);
void remove_rma_win(MPI_Win win);
- void finish_rma_calls();
+ void finish_rma_calls() const;
MPI_Comm split_type(int type, int key, const Info* info);
+ unsigned int get_sent_messages_count(int src, int dst, int tag);
+ void increment_sent_messages_count(int src, int dst, int tag);
+ unsigned int get_received_messages_count(int src, int dst, int tag);
+ void increment_received_messages_count(int src, int dst, int tag);
+ unsigned int get_collectives_count();
+ void increment_collectives_count();
};
-} // namespace smpi
-} // namespace simgrid
+} // namespace simgrid::smpi
#endif
