1 | #ifdef _usingEP |
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2 | /*! |
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3 | \file ep_recv.cpp |
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4 | \since 2 may 2016 |
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5 | |
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6 | \brief Definitions of MPI receive functions: MPI_Recv, MPI_Mrecv, MPI_Irecv, MPI_Imrecv |
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7 | */ |
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8 | |
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9 | |
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10 | #include "ep_lib.hpp" |
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11 | #include <mpi.h> |
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12 | #include "ep_declaration.hpp" |
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13 | #include "ep_mpi.hpp" |
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14 | |
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15 | using namespace std; |
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16 | |
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17 | extern std::list< ep_lib::MPI_Request* > * EP_PendingRequests; |
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18 | #pragma omp threadprivate(EP_PendingRequests) |
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19 | |
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20 | namespace ep_lib |
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21 | { |
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22 | |
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23 | int MPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status *status) |
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24 | { |
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25 | |
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26 | if(src>=0) status->ep_src = src; |
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27 | |
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28 | if(comm->is_intercomm) |
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29 | { |
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30 | if(src>=0) src = comm->inter_rank_map->at(src); |
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31 | } |
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32 | |
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33 | ::MPI_Status mpi_status; |
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34 | if(src>=0) |
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35 | { |
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36 | |
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37 | int mpi_src = comm->ep_rank_map->at(src).second; |
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38 | int mpi_tag = tag_combine(tag, comm->ep_rank_map->at(src).first, comm->ep_comm_ptr->size_rank_info[1].first); |
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39 | |
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40 | //printf("MPI_Recv with src\n"); |
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41 | //printf("proc %d recv from proc %d\n", comm->ep_comm_ptr->size_rank_info[0].first, src); |
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42 | ::MPI_Recv(buf, count, to_mpi_type(datatype), mpi_src, mpi_tag, to_mpi_comm(comm->mpi_comm), &mpi_status); |
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43 | status->mpi_status = new ::MPI_Status(mpi_status); |
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44 | return MPI_SUCCESS; |
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45 | } |
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46 | else |
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47 | { |
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48 | //printf("MPI_Recv with ANY_SOURCE\n"); |
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49 | int probed=false; |
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50 | int mpi_tag; |
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51 | while(!probed) |
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52 | { |
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53 | //for(int i=0; i<comm->ep_comm_ptr->size_rank_info[1].second; i++) |
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54 | for(int i=0; i<4; i++) |
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55 | { |
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56 | mpi_tag = tag_combine(tag, i, comm->ep_comm_ptr->size_rank_info[1].first); |
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57 | ::MPI_Iprobe(MPI_ANY_SOURCE, mpi_tag, to_mpi_comm(comm->mpi_comm), &probed, &mpi_status); |
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58 | if(probed) |
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59 | { |
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60 | //printf("proc %d recv from proc %d\n", comm->ep_comm_ptr->size_rank_info[0].first, get_ep_rank(comm, i, mpi_status.MPI_SOURCE)); |
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61 | ::MPI_Recv(buf, count, to_mpi_type(datatype), mpi_status.MPI_SOURCE, mpi_status.MPI_TAG, to_mpi_comm(comm->mpi_comm), &mpi_status); |
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62 | //printf("get_ep_rank in MPI_Recv\n"); |
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63 | status->ep_src = get_ep_rank(comm, i, mpi_status.MPI_SOURCE); |
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64 | status->mpi_status = new ::MPI_Status(mpi_status); |
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65 | return MPI_SUCCESS; |
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66 | } |
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67 | } |
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68 | } |
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69 | } |
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70 | |
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71 | } |
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72 | |
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73 | int MPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request *request) |
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74 | { |
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75 | if(comm->is_intercomm) |
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76 | { |
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77 | if(src>=0) src = comm->inter_rank_map->at(src); |
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78 | } |
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79 | |
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80 | *request = new ep_request; |
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81 | //printf("MPI_Irecv : *request = new ep_request => *request = %p\n", *request); |
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82 | |
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83 | (*request)->mpi_request = new ::MPI_Request; |
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84 | //printf("MPI_Irecv : (*request)->mpi_request = new ::MPI_Request => (*request)->mpi_request = %p\n", (*request)->mpi_request); |
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85 | |
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86 | |
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87 | if(src>=0) |
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88 | { |
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89 | int mpi_src = comm->ep_rank_map->at(src).second; |
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90 | int mpi_tag = tag_combine(tag, comm->ep_rank_map->at(src).first, comm->ep_comm_ptr->size_rank_info[1].first); |
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91 | //printf("MPI_Irecv with src\n"); |
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92 | //printf("proc %d recv from proc %d\n", comm->ep_comm_ptr->size_rank_info[0].first, src); |
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93 | return ::MPI_Irecv(buf, count, to_mpi_type(datatype), mpi_src, mpi_tag, to_mpi_comm(comm->mpi_comm), to_mpi_request_ptr(*request)); |
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94 | } |
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95 | else |
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96 | { |
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97 | //printf("MPI_Irecv with ANY_SOURCE\n"); |
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98 | int probed=false; |
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99 | int mpi_tag; |
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100 | ::MPI_Status mpi_status; |
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101 | while(!probed) |
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102 | { |
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103 | //for(int i=0; i<comm->ep_comm_ptr->size_rank_info[1].second; i++) |
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104 | for(int i=0; i<4; i++) |
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105 | { |
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106 | mpi_tag = tag_combine(tag, i, comm->ep_comm_ptr->size_rank_info[1].first); |
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107 | ::MPI_Iprobe(MPI_ANY_SOURCE, mpi_tag, to_mpi_comm(comm->mpi_comm), &probed, &mpi_status); |
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108 | if(probed) |
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109 | { |
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110 | //printf("proc %d recv from proc %d\n", comm->ep_comm_ptr->size_rank_info[0].first, get_ep_rank(comm, i, mpi_status.MPI_SOURCE)); |
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111 | return ::MPI_Irecv(buf, count, to_mpi_type(datatype), mpi_status.MPI_SOURCE, mpi_status.MPI_TAG, to_mpi_comm(comm->mpi_comm), to_mpi_request_ptr(*request)); |
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112 | } |
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113 | } |
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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 | |
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120 | |
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121 | |
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122 | |
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123 | int MPI_Irecv2(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request *request) |
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124 | { |
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125 | if(!comm->is_ep) return MPI_Irecv_mpi(buf, count, datatype, src, tag, comm, request); |
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126 | |
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127 | if(comm->is_intercomm) |
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128 | { |
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129 | if(src>=0) src = comm->inter_rank_map->at(src); |
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130 | } |
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131 | |
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132 | Debug("MPI_Irecv with EP"); |
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133 | int dest_rank; |
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134 | MPI_Comm_rank(comm, &dest_rank); |
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135 | |
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136 | *request = new ep_request; |
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137 | memcheck("new " << *request <<" : in ep_lib::MPI_Irecv, *request = new ep_request"); |
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138 | |
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139 | (*request)->mpi_request = new ::MPI_Request; |
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140 | memcheck("new " << (*request)->mpi_request << " : in ep_lib::MPI_Irecv, (*request)->mpi_request = new ::MPI_Request"); |
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141 | |
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142 | (*request)->buf = buf; |
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143 | (*request)->comm = comm; |
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144 | (*request)->type = 2; |
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145 | (*request)->probed = false; |
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146 | (*request)->state = 0; |
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147 | |
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148 | (*request)->ep_src = src; |
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149 | (*request)->ep_tag = tag; |
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150 | (*request)->ep_datatype = datatype; |
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151 | |
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152 | if(EP_PendingRequests == 0 ) EP_PendingRequests = new std::list< MPI_Request* >; |
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153 | |
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154 | EP_PendingRequests->push_back(request); |
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155 | |
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156 | //memcheck("EP_PendingRequests["<<ep_rank<<"]->size() = " << EP_PendingRequests->size()); |
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157 | |
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158 | show_EP_PendingRequests(EP_PendingRequests); |
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159 | |
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160 | #ifdef _showinfo |
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161 | if(comm->is_intercomm) |
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162 | { |
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163 | int ep_dest_loc = comm->ep_rank_map->at(dest_rank).first; |
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164 | int ep_src_loc = comm->ep_comm_ptr->intercomm->intercomm_rank_map->at(src).first; |
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165 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
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166 | int mpi_dest = comm->ep_comm_ptr->intercomm->intercomm_rank_map->at(src).second.first; |
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167 | |
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168 | printf("Irecv : ep_src_loc = %d, ep_dest_loc = %d, mpi_src = %d, mpi_dest = %d, mpi_tag = %d\n", ep_src_loc, ep_dest_loc, comm->ep_comm_ptr->size_rank_info[2].first, mpi_dest, mpi_tag); |
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169 | } |
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170 | #endif |
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171 | |
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172 | return Request_Check(); |
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173 | } |
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174 | |
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175 | int MPI_Mrecv(void *buf, int count, MPI_Datatype datatype, MPI_Message *message, MPI_Status *status) |
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176 | { |
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177 | Debug("MPI_Mrecv with MPI/EP"); |
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178 | |
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179 | status->mpi_status = new ::MPI_Status; |
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180 | memcheck("new " << status->mpi_status << " : in ep_lib::MPI_Mrecv, status->mpi_status = new ::MPI_Status"); |
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181 | |
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182 | ::MPI_Mrecv(buf, count, to_mpi_type(datatype), static_cast< ::MPI_Message* >((*message)->mpi_message), to_mpi_status_ptr(*status)); |
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183 | |
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184 | |
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185 | status->ep_src = (*message)->ep_src; |
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186 | status->ep_datatype = datatype; |
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187 | status->ep_tag = (*message)->ep_tag; |
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188 | |
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189 | memcheck("delete " << (*message)->mpi_message << " : in ep_lib::MPI_Mrecv, delete (*message)->mpi_message"); |
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190 | delete (*message)->mpi_message; |
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191 | memcheck("delete " << *message << " : in ep_lib::MPI_Imrecv, delete *message"); |
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192 | delete *message; |
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193 | |
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194 | #ifdef _check_sum |
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195 | check_sum_recv(buf, count, datatype, message->ep_src, message->ep_tag); |
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196 | #endif |
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197 | |
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198 | return Request_Check(); |
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199 | } |
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200 | |
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201 | |
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202 | int MPI_Imrecv(void *buf, int count, MPI_Datatype datatype, MPI_Message *message, MPI_Request *request) |
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203 | { |
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204 | Debug("MPI_Imrecv with MPI/EP"); |
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205 | |
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206 | (*request)->type = 3; |
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207 | (*request)->ep_datatype = datatype; |
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208 | (*request)->ep_tag = (*message)->ep_tag; |
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209 | (*request)->ep_src = (*message)->ep_src; |
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210 | |
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211 | (*request)->probed = true; |
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212 | (*request)->state = 1; |
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213 | |
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214 | ::MPI_Imrecv(buf, count, to_mpi_type(datatype), to_mpi_message_ptr(*message), to_mpi_request_ptr(*request)); |
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215 | |
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216 | memcheck("delete " << (*message)->mpi_message << " : in ep_lib::MPI_Imrecv, delete (*message)->mpi_message"); |
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217 | delete (*message)->mpi_message; |
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218 | |
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219 | |
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220 | #ifdef _check_sum |
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221 | check_sum_recv(buf, count, datatype, message->ep_src, message->ep_tag); |
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222 | #endif |
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223 | |
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224 | |
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225 | //return Request_Check(); |
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226 | } |
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227 | |
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228 | |
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229 | int MPI_Recv_mpi(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status *status) |
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230 | { |
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231 | Debug("MPI_Recv with MPI"); |
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232 | status->ep_src = src; |
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233 | status->ep_tag = tag; |
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234 | status->ep_datatype = datatype; |
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235 | |
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236 | return ::MPI_Recv(buf, count, to_mpi_type(datatype), src<0? MPI_ANY_SOURCE : src, tag<0? MPI_ANY_TAG: tag, to_mpi_comm(comm->mpi_comm), to_mpi_status_ptr(*status)); |
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237 | } |
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238 | |
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239 | int MPI_Irecv_mpi(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request *request) |
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240 | { |
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241 | Debug("MPI_Irecv with MPI"); |
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242 | int dest_rank; |
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243 | MPI_Comm_rank(comm, &dest_rank); |
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244 | |
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245 | *request = new ep_request; |
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246 | memcheck("new "<< *request <<" : in ep_lib::MPI_Irecv, *request = new ep_request"); |
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247 | |
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248 | (*request)->mpi_request = new ::MPI_Request; |
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249 | memcheck("new "<< (*request)->mpi_request <<" : in ep_lib::MPI_Irecv, (*request)->mpi_request = new ::MPI_Request"); |
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250 | |
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251 | (*request)->ep_src = src; |
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252 | (*request)->ep_datatype = datatype; |
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253 | (*request)->type = 2; |
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254 | (*request)->ep_tag = tag; |
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255 | |
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256 | return ::MPI_Irecv(buf, count, to_mpi_type(datatype), src<0? MPI_ANY_SOURCE : src, tag<0? MPI_ANY_TAG: tag, to_mpi_comm(comm->mpi_comm), to_mpi_request_ptr(*request)); |
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257 | } |
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258 | } |
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259 | |
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260 | |
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261 | |
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262 | #endif |
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