1 | /*! |
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2 | \file ep_send.hpp |
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3 | \since 2 may 2016 |
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4 | |
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5 | \brief Definitions of MPI send functions: MPI_Send, MPI_Ssend, MPI_Isend, MPI_Issend |
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6 | */ |
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7 | |
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8 | #include "ep_lib.hpp" |
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9 | #include <mpi.h> |
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10 | #include "ep_declaration.hpp" |
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11 | #include "ep_mpi.hpp" |
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12 | |
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13 | |
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14 | namespace ep_lib { |
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15 | |
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16 | |
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17 | int MPI_Send(void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) |
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18 | { |
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19 | if(!comm.is_ep) |
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20 | return ::MPI_Send(buf, count, to_mpi_type(datatype), dest, tag, to_mpi_comm(comm.mpi_comm)); |
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21 | if(comm.is_intercomm) |
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22 | { |
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23 | MPI_Request request; |
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24 | MPI_Status status; |
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25 | MPI_Isend(buf, count, datatype, dest, tag, comm, &request); |
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26 | MPI_Wait(&request, &status); |
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27 | } |
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28 | else |
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29 | { |
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30 | int ep_src_loc = comm.ep_comm_ptr->size_rank_info[1].first; |
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31 | int ep_dest_loc = comm.ep_comm_ptr->comm_list->rank_map->at(dest).first; |
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32 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
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33 | int mpi_dest = comm.ep_comm_ptr->comm_list->rank_map->at(dest).second; |
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34 | |
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35 | ::MPI_Send(buf, count, to_mpi_type(datatype), mpi_dest, mpi_tag, to_mpi_comm(comm.mpi_comm)); |
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36 | //printf("call mpi_send for intracomm, dest = %d, tag = %d\n", dest, tag); |
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37 | } |
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38 | //check_sum_send(buf, count, datatype, dest, tag, comm); |
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39 | |
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40 | return 0; |
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41 | } |
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42 | |
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43 | |
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44 | int MPI_Ssend(void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) |
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45 | { |
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46 | if(!comm.is_ep) |
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47 | { |
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48 | return ::MPI_Ssend(buf, count, to_mpi_type(datatype), dest, tag, to_mpi_comm(comm.mpi_comm)); |
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49 | } |
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50 | |
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51 | MPI_Request request; |
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52 | MPI_Status status; |
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53 | MPI_Issend(buf, count, datatype, dest, tag, comm, &request); |
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54 | MPI_Wait(&request, &status); |
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55 | //check_sum_send(buf, count, datatype, dest, tag, comm); |
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56 | return 0; |
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57 | } |
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58 | |
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59 | |
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60 | |
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61 | |
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62 | |
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63 | int MPI_Isend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request) |
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64 | { |
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65 | Debug("\nMPI_Isend with EP\n"); |
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66 | int src_rank; |
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67 | MPI_Comm_rank(comm, &src_rank); |
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68 | |
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69 | |
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70 | |
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71 | if(!comm.is_ep) |
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72 | { |
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73 | ::MPI_Request mpi_request; |
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74 | ::MPI_Isend(buf, count, to_mpi_type(datatype), dest, tag, to_mpi_comm(comm.mpi_comm), &mpi_request); |
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75 | |
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76 | request->mpi_request = mpi_request; |
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77 | |
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78 | request->ep_src = src_rank; |
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79 | request->ep_tag = tag; |
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80 | request->ep_datatype = datatype; |
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81 | request->type = 1; |
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82 | request->comm = comm; |
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83 | |
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84 | return 0; |
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85 | } |
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86 | |
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87 | if(comm.is_intercomm) return MPI_Isend_intercomm(buf, count, datatype, dest, tag, comm, request); |
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88 | |
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89 | // EP intracomm |
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90 | |
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91 | //check_sum_send(buf, count, datatype, dest, tag, comm, 1); |
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92 | |
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93 | int ep_src_loc = comm.ep_comm_ptr->size_rank_info[1].first; |
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94 | int ep_dest_loc = comm.ep_comm_ptr->comm_list->rank_map->at(dest).first; |
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95 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
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96 | int mpi_dest = comm.ep_comm_ptr->comm_list->rank_map->at(dest).second; |
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97 | |
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98 | request->ep_src = src_rank; |
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99 | request->ep_tag = tag; |
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100 | request->ep_datatype = datatype; |
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101 | |
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102 | ::MPI_Request mpi_request; |
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103 | |
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104 | ::MPI_Isend(buf, count, to_mpi_type(datatype), mpi_dest, mpi_tag, to_mpi_comm(comm.mpi_comm), &mpi_request); |
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105 | |
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106 | request->mpi_request = mpi_request; |
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107 | request->type = 1; // used in wait |
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108 | request->comm = comm; |
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109 | request->buf = const_cast<void*>(buf); |
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110 | |
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111 | //Message_Check(comm); |
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112 | |
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113 | return 0; |
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114 | } |
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115 | |
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116 | |
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117 | |
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118 | |
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119 | int MPI_Issend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request) |
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120 | { |
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121 | Debug("\nMPI_Issend with EP\n"); |
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122 | |
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123 | int src_rank; |
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124 | MPI_Comm_rank(comm, &src_rank); |
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125 | |
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126 | |
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127 | |
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128 | if(!comm.is_ep) |
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129 | { |
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130 | ::MPI_Request mpi_request; |
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131 | ::MPI_Issend(buf, count, to_mpi_type(datatype), dest, tag, to_mpi_comm(comm.mpi_comm), &mpi_request); |
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132 | |
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133 | request->mpi_request = mpi_request; |
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134 | request->ep_src = src_rank; |
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135 | request->ep_tag = tag; |
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136 | request->ep_datatype = datatype; |
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137 | request->type = 1; |
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138 | request->comm = comm; |
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139 | |
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140 | return 0; |
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141 | } |
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142 | |
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143 | if(comm.is_intercomm) return MPI_Issend_intercomm(buf, count, datatype, dest, tag, comm, request); |
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144 | |
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145 | // EP intracomm |
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146 | |
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147 | //check_sum_send(buf, count, datatype, dest, tag, comm, 1); |
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148 | |
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149 | int ep_src_loc = comm.ep_comm_ptr->size_rank_info[1].first; |
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150 | int ep_dest_loc = comm.ep_comm_ptr->comm_list->rank_map->at(dest).first; |
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151 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
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152 | int mpi_dest = comm.ep_comm_ptr->comm_list->rank_map->at(dest).second; |
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153 | |
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154 | request->ep_src = src_rank; |
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155 | request->ep_tag = tag; |
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156 | request->ep_datatype = datatype; |
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157 | |
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158 | ::MPI_Request mpi_request; |
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159 | |
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160 | ::MPI_Issend(buf, count, to_mpi_type(datatype), mpi_dest, mpi_tag, to_mpi_comm(comm.mpi_comm), &mpi_request); |
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161 | |
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162 | request->mpi_request = mpi_request; |
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163 | request->type = 1; // used in wait |
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164 | request->comm = comm; |
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165 | request->buf = NULL; |
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166 | |
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167 | |
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168 | //Message_Check(comm); |
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169 | |
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170 | return 0; |
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171 | } |
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172 | |
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173 | |
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174 | |
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175 | |
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176 | int MPI_Isend_intercomm(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request) |
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177 | { |
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178 | Debug("MPI_Isend with intercomm\n"); |
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179 | |
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180 | //check_sum_send(buf, count, datatype, dest, tag, comm, 1); |
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181 | |
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182 | int dest_remote_ep_rank = comm.ep_comm_ptr->intercomm->remote_rank_map->at(dest).first; |
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183 | int dest_remote_comm_label = comm.ep_comm_ptr->intercomm->remote_rank_map->at(dest).second; |
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184 | |
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185 | int src_ep_rank = comm.ep_comm_ptr->intercomm->size_rank_info[0].first; |
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186 | int src_comm_label; |
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187 | |
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188 | src_comm_label = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).second; |
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189 | |
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190 | |
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191 | |
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192 | |
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193 | //Message_Check(comm); |
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194 | |
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195 | |
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196 | if(dest_remote_comm_label == src_comm_label) // mpi_dest differs |
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197 | { |
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198 | int inter_src = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).first; |
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199 | int ep_src_loc = comm.rank_map->at(inter_src).first; |
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200 | int ep_dest_loc = comm.rank_map->at(dest_remote_ep_rank).first; |
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201 | int mpi_dest = comm.rank_map->at(dest_remote_ep_rank).second; |
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202 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
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203 | |
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204 | ::MPI_Request mpi_request; |
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205 | |
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206 | ::MPI_Isend(buf, count, to_mpi_type(datatype), mpi_dest, mpi_tag, to_mpi_comm(comm.mpi_comm), &mpi_request); |
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207 | |
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208 | request->mpi_request = mpi_request; |
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209 | request->type = 1; // used in wait |
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210 | request->comm = comm; |
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211 | |
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212 | request->ep_src = src_ep_rank; |
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213 | request->ep_tag = tag; |
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214 | request->ep_datatype = datatype; |
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215 | } |
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216 | |
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217 | else // dest_remote_comm_label != src_comm_label |
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218 | { |
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219 | int inter_src = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).first; |
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220 | int ep_src_loc = comm.rank_map->at(inter_src).first; |
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221 | int ep_dest_loc = comm.ep_comm_ptr->intercomm->intercomm_rank_map->at(dest_remote_ep_rank).first; |
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222 | int mpi_dest = comm.ep_comm_ptr->intercomm->intercomm_rank_map->at(dest_remote_ep_rank).second; |
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223 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
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224 | |
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225 | ::MPI_Request mpi_request; |
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226 | |
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227 | ::MPI_Isend(buf, count, to_mpi_type(datatype), mpi_dest, mpi_tag, to_mpi_comm(comm.ep_comm_ptr->intercomm->mpi_inter_comm), &mpi_request); |
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228 | |
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229 | request->mpi_request = mpi_request; |
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230 | request->type = 1; // used in wait |
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231 | request->comm = comm; |
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232 | |
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233 | request->ep_src = src_ep_rank; |
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234 | request->ep_tag = tag; |
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235 | request->ep_datatype = datatype; |
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236 | } |
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237 | |
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238 | return 0; |
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239 | |
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240 | } |
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241 | |
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242 | |
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243 | int MPI_Issend_intercomm(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request) |
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244 | { |
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245 | Debug("MPI_Issend with intercomm\n"); |
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246 | |
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247 | //check_sum_send(buf, count, datatype, dest, tag, comm, 1); |
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248 | |
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249 | int dest_remote_ep_rank = comm.ep_comm_ptr->intercomm->remote_rank_map->at(dest).first; |
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250 | int dest_remote_comm_label = comm.ep_comm_ptr->intercomm->remote_rank_map->at(dest).second; |
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251 | |
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252 | int src_ep_rank = comm.ep_comm_ptr->intercomm->size_rank_info[0].first; |
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253 | int src_comm_label; |
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254 | |
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255 | for(int i=0; i<comm.ep_comm_ptr->intercomm->local_rank_map->size(); i++) |
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256 | { |
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257 | if(comm.ep_comm_ptr->intercomm->local_rank_map->at(i).first == src_ep_rank) |
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258 | { |
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259 | src_comm_label = comm.ep_comm_ptr->intercomm->local_rank_map->at(i).second; |
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260 | break; |
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261 | } |
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262 | } |
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263 | |
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264 | //Message_Check(comm); |
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265 | |
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266 | |
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267 | if(dest_remote_comm_label == src_comm_label) // dest rank (loc, mpi) differs |
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268 | { |
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269 | int inter_src = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).first; |
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270 | int ep_src_loc = comm.rank_map->at(inter_src).first; |
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271 | int ep_dest_loc = comm.rank_map->at(dest_remote_ep_rank).first; |
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272 | int mpi_dest = comm.rank_map->at(dest_remote_ep_rank).second; |
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273 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
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274 | |
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275 | ::MPI_Request mpi_request; |
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276 | |
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277 | ::MPI_Issend(buf, count, to_mpi_type(datatype), mpi_dest, mpi_tag, to_mpi_comm(comm.mpi_comm), &mpi_request); |
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278 | |
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279 | request->mpi_request = mpi_request; |
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280 | request->type = 1; // used in wait |
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281 | request->comm = comm; |
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282 | |
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283 | request->ep_src = src_ep_rank; |
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284 | request->ep_tag = tag; |
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285 | request->ep_datatype = datatype; |
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286 | } |
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287 | |
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288 | else // dest_remote_comm_label != src_comm_label |
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289 | { |
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290 | int inter_src = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).first; |
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291 | int ep_src_loc = comm.rank_map->at(inter_src).first; |
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292 | int ep_dest_loc = comm.ep_comm_ptr->intercomm->intercomm_rank_map->at(dest_remote_ep_rank).first; |
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293 | int mpi_dest = comm.ep_comm_ptr->intercomm->intercomm_rank_map->at(dest_remote_ep_rank).second; |
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294 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
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295 | |
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296 | ::MPI_Request mpi_request; |
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297 | |
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298 | ::MPI_Issend(buf, count, to_mpi_type(datatype), mpi_dest, mpi_tag, to_mpi_comm(comm.ep_comm_ptr->intercomm->mpi_inter_comm), &mpi_request); |
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299 | |
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300 | request->mpi_request = mpi_request; |
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301 | request->type = 1; // used in wait |
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302 | request->comm = comm; |
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303 | |
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304 | request->ep_src = src_ep_rank; |
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305 | request->ep_tag = tag; |
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306 | request->ep_datatype = datatype; |
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307 | } |
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308 | |
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309 | return 0; |
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310 | |
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311 | } |
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312 | |
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313 | } |
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314 | |
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315 | |
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316 | |
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317 | |
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318 | |
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319 | |
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