1 /* Copyright (c) 2010-2020. 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_WIN_HPP_INCLUDED
8 #define SMPI_WIN_HPP_INCLUDED
10 #include "simgrid/s4u/Barrier.hpp"
11 #include "smpi_errhandler.hpp"
12 #include "smpi_f2c.hpp"
13 #include "smpi_keyvals.hpp"
21 class Win : public F2C, public Keyval {
28 std::vector<MPI_Request> requests_;
29 s4u::MutexPtr mut_ = s4u::Mutex::create();
30 s4u::Barrier* bar_ = nullptr;
31 std::vector<MPI_Win> connected_wins_;
34 MPI_Group group_ = MPI_GROUP_NULL;
35 int count_ = 0; // for ordering the accs
36 s4u::MutexPtr lock_mut_ = s4u::Mutex::create();
37 s4u::MutexPtr atomic_mut_ = s4u::Mutex::create();
38 std::list<int> lockers_;
39 int rank_; // to identify owner for barriers in MPI_COMM_WORLD
40 int mode_ = 0; // exclusive or shared lock
43 MPI_Errhandler errhandler_ = MPI_ERRORS_ARE_FATAL;
46 static std::unordered_map<int, smpi_key_elem> keyvals_;
47 static int keyval_id_;
49 Win(void *base, MPI_Aint size, int disp_unit, MPI_Info info, MPI_Comm comm, int allocated = 0, int dynamic = 0);
50 Win(MPI_Info info, MPI_Comm comm) : Win(MPI_BOTTOM, 0, 1, info, comm, 0, 1) {};
51 Win(const Win&) = delete;
52 Win& operator=(const Win&) = delete;
54 int attach (void *base, MPI_Aint size);
55 int detach (const void *base);
56 void get_name(char* name, int* length) const;
57 void get_group( MPI_Group* group);
58 void set_name(const char* name);
61 int start(MPI_Group group, int assert);
62 int post(MPI_Group group, int assert);
65 void set_info( MPI_Info info);
67 MPI_Aint size() const;
69 int disp_unit() const;
70 int fence(int assert);
71 int put(const void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
72 MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Request* request=nullptr);
73 int get( void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
74 MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Request* request=nullptr);
75 int accumulate(const void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
76 MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Op op, MPI_Request* request=nullptr);
77 int get_accumulate(const void *origin_addr, int origin_count, MPI_Datatype origin_datatype, void *result_addr,
78 int result_count, MPI_Datatype result_datatype, int target_rank, MPI_Aint target_disp, int target_count,
79 MPI_Datatype target_datatype, MPI_Op op, MPI_Request* request=nullptr);
80 int compare_and_swap(const void* origin_addr, const void* compare_addr, void* result_addr, MPI_Datatype datatype,
81 int target_rank, MPI_Aint target_disp);
82 static Win* f2c(int id);
84 int lock(int lock_type, int rank, int assert);
86 int lock_all(int assert);
89 int flush_local(int rank);
91 int flush_local_all();
93 int finish_comms(int rank);
94 int shared_query(int rank, MPI_Aint* size, int* disp_unit, void* baseptr) const;
95 MPI_Errhandler errhandler();
96 void set_errhandler( MPI_Errhandler errhandler);