[97] | 1 | // -*- c++ -*- |
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| 2 | // |
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| 3 | // Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana |
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| 4 | // University Research and Technology |
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| 5 | // Corporation. All rights reserved. |
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| 6 | // Copyright (c) 2004-2005 The University of Tennessee and The University |
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| 7 | // of Tennessee Research Foundation. All rights |
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| 8 | // reserved. |
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| 9 | // Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, |
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| 10 | // University of Stuttgart. All rights reserved. |
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| 11 | // Copyright (c) 2004-2005 The Regents of the University of California. |
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| 12 | // All rights reserved. |
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| 13 | // Copyright (c) 2006 Cisco Systems, Inc. All rights reserved. |
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| 14 | // Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved. |
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| 15 | // $COPYRIGHT$ |
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| 16 | // |
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| 17 | // Additional copyrights may follow |
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| 18 | // |
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| 19 | // $HEADER$ |
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| 20 | // |
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| 21 | |
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| 22 | inline |
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| 23 | MPI::Intracomm::Intracomm(MPI_Comm data) { |
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| 24 | int flag = 0; |
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| 25 | if (MPI::Is_initialized() && (data != MPI_COMM_NULL)) { |
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| 26 | (void)MPI_Comm_test_inter(data, &flag); |
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| 27 | if (flag) { |
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| 28 | mpi_comm = MPI_COMM_NULL; |
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| 29 | } else { |
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| 30 | mpi_comm = data; |
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| 31 | } |
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| 32 | } |
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| 33 | else { |
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| 34 | mpi_comm = data; |
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| 35 | } |
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| 36 | } |
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| 37 | |
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| 38 | inline void |
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| 39 | MPI::Intracomm::Scan(const void *sendbuf, void *recvbuf, int count, |
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| 40 | const MPI::Datatype & datatype, const MPI::Op& op) const |
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| 41 | { |
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| 42 | (void)MPI_Scan(const_cast<void *>(sendbuf), recvbuf, count, datatype, op, mpi_comm); |
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| 43 | } |
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| 44 | |
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| 45 | inline void |
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| 46 | MPI::Intracomm::Exscan(const void *sendbuf, void *recvbuf, int count, |
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| 47 | const MPI::Datatype & datatype, |
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| 48 | const MPI::Op& op) const |
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| 49 | { |
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| 50 | (void)MPI_Exscan(const_cast<void *>(sendbuf), recvbuf, count, datatype, op, mpi_comm); |
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| 51 | } |
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| 52 | |
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| 53 | inline MPI::Intracomm |
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| 54 | MPI::Intracomm::Dup() const |
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| 55 | { |
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| 56 | MPI_Comm newcomm; |
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| 57 | (void)MPI_Comm_dup(mpi_comm, &newcomm); |
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| 58 | return newcomm; |
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| 59 | } |
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| 60 | |
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| 61 | inline MPI::Intracomm& |
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| 62 | MPI::Intracomm::Clone() const |
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| 63 | { |
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| 64 | MPI_Comm newcomm; |
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| 65 | (void)MPI_Comm_dup(mpi_comm, &newcomm); |
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| 66 | MPI::Intracomm* dup = new MPI::Intracomm(newcomm); |
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| 67 | return *dup; |
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| 68 | } |
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| 69 | |
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| 70 | inline MPI::Intracomm |
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| 71 | MPI::Intracomm::Create(const MPI::Group& group) const |
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| 72 | { |
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| 73 | MPI_Comm newcomm; |
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| 74 | (void)MPI_Comm_create(mpi_comm, group, &newcomm); |
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| 75 | return newcomm; |
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| 76 | } |
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| 77 | |
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| 78 | inline MPI::Intracomm |
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| 79 | MPI::Intracomm::Split(int color, int key) const |
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| 80 | { |
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| 81 | MPI_Comm newcomm; |
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| 82 | (void)MPI_Comm_split(mpi_comm, color, key, &newcomm); |
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| 83 | return newcomm; |
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| 84 | } |
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| 85 | |
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| 86 | |
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| 87 | |
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| 88 | inline MPI::Intercomm |
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| 89 | MPI::Intracomm::Create_intercomm(int local_leader, |
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| 90 | const MPI::Comm& peer_comm, |
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| 91 | int remote_leader, int tag) const |
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| 92 | { |
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| 93 | MPI_Comm newintercomm; |
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| 94 | (void)MPI_Intercomm_create(mpi_comm, local_leader, peer_comm, |
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| 95 | remote_leader, tag, &newintercomm); |
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| 96 | return newintercomm; |
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| 97 | } |
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| 98 | |
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| 99 | inline MPI::Cartcomm |
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| 100 | MPI::Intracomm::Create_cart(int ndims, const int dims[], |
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| 101 | const bool periods[], bool reorder) const |
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| 102 | { |
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| 103 | int *int_periods = new int [ndims]; |
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| 104 | for (int i=0; i<ndims; i++) |
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| 105 | int_periods[i] = (int) periods[i]; |
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| 106 | |
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| 107 | MPI_Comm newcomm; |
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| 108 | (void)MPI_Cart_create(mpi_comm, ndims, const_cast<int *>(dims), |
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| 109 | int_periods, (int)reorder, &newcomm); |
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| 110 | delete [] int_periods; |
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| 111 | return newcomm; |
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| 112 | } |
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| 113 | |
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| 114 | inline MPI::Graphcomm |
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| 115 | MPI::Intracomm::Create_graph(int nnodes, const int index[], |
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| 116 | const int edges[], bool reorder) const |
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| 117 | { |
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| 118 | MPI_Comm newcomm; |
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| 119 | (void)MPI_Graph_create(mpi_comm, nnodes, const_cast<int *>(index), |
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| 120 | const_cast<int *>(edges), (int)reorder, &newcomm); |
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| 121 | return newcomm; |
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| 122 | } |
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| 123 | |
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| 124 | |
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| 125 | // |
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| 126 | // Process Creation and Management |
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| 127 | // |
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| 128 | |
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| 129 | inline MPI::Intercomm |
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| 130 | MPI::Intracomm::Accept(const char* port_name, |
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| 131 | const MPI::Info& info, |
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| 132 | int root) const |
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| 133 | { |
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| 134 | MPI_Comm newcomm; |
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| 135 | (void) MPI_Comm_accept(const_cast<char *>(port_name), info, root, mpi_comm, |
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| 136 | &newcomm); |
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| 137 | return newcomm; |
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| 138 | } |
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| 139 | |
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| 140 | |
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| 141 | inline MPI::Intercomm |
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| 142 | MPI::Intracomm::Connect(const char* port_name, |
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| 143 | const MPI::Info& info, |
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| 144 | int root) const |
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| 145 | { |
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| 146 | MPI_Comm newcomm; |
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| 147 | (void) MPI_Comm_connect(const_cast<char *>(port_name), info, root, mpi_comm, |
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| 148 | &newcomm); |
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| 149 | return newcomm; |
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| 150 | } |
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| 151 | |
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| 152 | |
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| 153 | inline MPI::Intercomm |
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| 154 | MPI::Intracomm::Spawn(const char* command, const char* argv[], |
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| 155 | int maxprocs, const MPI::Info& info, |
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| 156 | int root) const |
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| 157 | { |
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| 158 | MPI_Comm newcomm; |
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| 159 | (void) MPI_Comm_spawn(const_cast<char *>(command), const_cast<char **>(argv), maxprocs, |
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| 160 | info, root, mpi_comm, &newcomm, |
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| 161 | (int *)MPI_ERRCODES_IGNORE); |
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| 162 | return newcomm; |
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| 163 | } |
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| 164 | |
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| 165 | |
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| 166 | inline MPI::Intercomm |
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| 167 | MPI::Intracomm::Spawn(const char* command, const char* argv[], |
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| 168 | int maxprocs, const MPI::Info& info, |
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| 169 | int root, int array_of_errcodes[]) const |
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| 170 | { |
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| 171 | MPI_Comm newcomm; |
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| 172 | (void) MPI_Comm_spawn(const_cast<char *>(command), const_cast<char **>(argv), maxprocs, |
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| 173 | info, root, mpi_comm, &newcomm, |
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| 174 | array_of_errcodes); |
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| 175 | return newcomm; |
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| 176 | } |
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| 177 | |
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| 178 | |
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| 179 | inline MPI::Intercomm |
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| 180 | MPI::Intracomm::Spawn_multiple(int count, |
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| 181 | const char* array_of_commands[], |
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| 182 | const char** array_of_argv[], |
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| 183 | const int array_of_maxprocs[], |
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| 184 | const Info array_of_info[], int root) |
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| 185 | { |
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| 186 | MPI_Comm newcomm; |
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| 187 | MPI_Info *const array_of_mpi_info = |
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| 188 | convert_info_to_mpi_info(count, array_of_info); |
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| 189 | |
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| 190 | MPI_Comm_spawn_multiple(count, const_cast<char **>(array_of_commands), |
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| 191 | const_cast<char ***>(array_of_argv), |
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| 192 | const_cast<int *>(array_of_maxprocs), |
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| 193 | array_of_mpi_info, root, |
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| 194 | mpi_comm, &newcomm, (int *)MPI_ERRCODES_IGNORE); |
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| 195 | delete[] array_of_mpi_info; |
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| 196 | return newcomm; |
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| 197 | } |
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| 198 | |
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| 199 | inline MPI_Info * |
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| 200 | MPI::Intracomm::convert_info_to_mpi_info(int p_nbr, const Info p_info_tbl[]) |
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| 201 | { |
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| 202 | MPI_Info *const mpi_info_tbl = new MPI_Info [p_nbr]; |
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| 203 | |
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| 204 | for (int i_tbl=0; i_tbl < p_nbr; i_tbl++) { |
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| 205 | mpi_info_tbl[i_tbl] = p_info_tbl[i_tbl]; |
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| 206 | } |
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| 207 | |
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| 208 | return mpi_info_tbl; |
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| 209 | } |
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| 210 | |
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| 211 | inline MPI::Intercomm |
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| 212 | MPI::Intracomm::Spawn_multiple(int count, |
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| 213 | const char* array_of_commands[], |
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| 214 | const char** array_of_argv[], |
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| 215 | const int array_of_maxprocs[], |
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| 216 | const Info array_of_info[], int root, |
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| 217 | int array_of_errcodes[]) |
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| 218 | { |
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| 219 | MPI_Comm newcomm; |
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| 220 | MPI_Info *const array_of_mpi_info = |
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| 221 | convert_info_to_mpi_info(count, array_of_info); |
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| 222 | |
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| 223 | MPI_Comm_spawn_multiple(count, const_cast<char **>(array_of_commands), |
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| 224 | const_cast<char ***>(array_of_argv), |
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| 225 | const_cast<int *>(array_of_maxprocs), |
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| 226 | array_of_mpi_info, root, |
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| 227 | mpi_comm, &newcomm, array_of_errcodes); |
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| 228 | delete[] array_of_mpi_info; |
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| 229 | return newcomm; |
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| 230 | } |
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| 231 | |
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| 232 | |
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| 233 | |
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| 239 | |
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| 240 | |
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