1 | /*! |
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2 | \file ep_message.cpp |
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3 | \since 2 may 2016 |
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4 | |
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5 | \brief Definitions of MPI endpoint function: Message_Check |
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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 | using namespace std; |
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14 | |
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15 | extern std::list< ep_lib::MPI_Request* > * EP_PendingRequests; |
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16 | #pragma omp threadprivate(EP_PendingRequests) |
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17 | |
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18 | namespace ep_lib |
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19 | { |
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20 | int Request_Check() |
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21 | { |
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22 | MPI_Status status; |
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23 | MPI_Message *message; |
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24 | int probed = false; |
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25 | int recv_count = 0; |
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26 | std::list<MPI_Request* >::iterator it; |
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27 | |
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28 | if(EP_PendingRequests == 0 ) return 0; |
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29 | |
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30 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); it++) |
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31 | { |
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32 | Message_Check(((*(*it))->comm)); |
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33 | } |
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34 | |
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35 | |
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36 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); ) |
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37 | { |
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38 | if((*(*it))->state == 0) |
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39 | { |
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40 | |
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41 | message = new MPI_Message; |
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42 | *message = new ep_message; |
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43 | |
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44 | printf("new %p : in ep_lib::Request_Check, message = new MPI_Message\n", message); |
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45 | printf("new %p : in ep_lib::Request_Check, *message = new ep_message\n", *message); |
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46 | |
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47 | |
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48 | MPI_Improbe((*(*it))->ep_src, (*(*it))->ep_tag, ((*(*it))->comm), &probed, message, &status); |
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49 | printf("in Request_Check, after improbe, mpi_status = %p\n", to_mpi_status_ptr(status)); |
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50 | |
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51 | |
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52 | if(probed) |
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53 | { |
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54 | ::MPI_Get_count(to_mpi_status_ptr(status), to_mpi_type((*(*it))->ep_datatype), &recv_count); |
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55 | |
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56 | printf("in Request_Check, imrecv, buf = %p, recv_count = %d, status = %p\n", (*(*it))->buf, recv_count, to_mpi_status_ptr(status)); |
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57 | MPI_Imrecv((*(*it))->buf, recv_count, (*(*it))->ep_datatype, message, *it); |
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58 | (*(*it))->type = 3; |
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59 | (*(*it))->state = 1; |
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60 | |
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61 | |
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62 | printf("delete %p : in ep_lib::Request_Check, delete *message\n", *message); |
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63 | printf("delete %p : in ep_lib::Request_Check, delete message\n", message); |
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64 | |
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65 | delete *message; |
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66 | delete message; |
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67 | |
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68 | it++; |
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69 | continue; |
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70 | } |
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71 | } |
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72 | |
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73 | if((*(*it))->state == 2) |
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74 | { |
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75 | printf("delete %p : in ep_lib::Request_Check, delete (*(*it))\n", (*(*it))); |
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76 | delete (*(*it)); |
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77 | |
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78 | EP_PendingRequests->erase(it); |
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79 | printf("EP_PendingRequests->size() = %lu\n", EP_PendingRequests->size()); |
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80 | it = EP_PendingRequests->begin(); |
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81 | continue; |
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82 | } |
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83 | else it++; |
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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 | |
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89 | int Message_Check(MPI_Comm comm) |
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90 | { |
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91 | if(!comm->is_ep) return MPI_SUCCESS; |
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92 | |
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93 | if(comm->is_intercomm) |
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94 | { |
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95 | return Message_Check_intercomm(comm); |
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96 | } |
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97 | |
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98 | return Message_Check_intracomm(comm); |
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99 | |
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100 | } |
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101 | |
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102 | |
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103 | int Message_Check_intracomm(MPI_Comm comm) |
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104 | { |
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105 | |
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106 | int flag = true; |
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107 | ::MPI_Status status; |
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108 | ::MPI_Message message; |
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109 | |
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110 | while(flag) // loop until the end of global queue |
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111 | { |
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112 | Debug("Message probing for intracomm\n"); |
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113 | |
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114 | #pragma omp critical (_mpi_call) |
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115 | { |
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116 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm->mpi_comm), &flag, &status); |
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117 | if(flag) |
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118 | { |
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119 | Debug("find message in mpi comm \n"); |
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120 | ::MPI_Mprobe(status.MPI_SOURCE, status.MPI_TAG, to_mpi_comm(comm->mpi_comm), &message, &status); |
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121 | } |
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122 | } |
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123 | |
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124 | |
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125 | if(flag) |
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126 | { |
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127 | MPI_Message msg = new ep_message; |
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128 | msg->mpi_message = new ::MPI_Message(message); |
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129 | |
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130 | printf("new %p : in ep_lib::Message_Check, msg = new ep_message\n", msg); |
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131 | printf("new %p : in ep_lib::Message_Check, msg->mpi_message = new ::MPI_Message\n", msg->mpi_message); |
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132 | |
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133 | |
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134 | msg->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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135 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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136 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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137 | int src_mpi = status.MPI_SOURCE; |
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138 | |
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139 | msg->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
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140 | msg->mpi_status = new ::MPI_Status(status); |
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141 | printf("new %p : in ep_lib::Message_Check, msg->mpi_status = new ::MPI_Status\n", msg->mpi_status); |
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142 | |
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143 | #pragma omp critical (_query) |
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144 | { |
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145 | #pragma omp flush |
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146 | comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->push_back(msg); |
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147 | int test_count; |
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148 | ::MPI_Get_count(static_cast< ::MPI_Status* >(msg->mpi_status), 1275070475, &test_count); |
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149 | printf("status1 = %p, test_count2 = %d\n", static_cast< ::MPI_Status* >(msg->mpi_status), test_count); |
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150 | |
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151 | ::MPI_Get_count(static_cast< ::MPI_Status* >(comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->back()->mpi_status), 1275070475, &test_count); |
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152 | printf("status2 = %p, test_count2 = %d\n", static_cast< ::MPI_Status* >(comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->back()->mpi_status), test_count); |
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153 | |
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154 | #pragma omp flush |
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155 | } |
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156 | } |
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157 | } |
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158 | |
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159 | return MPI_SUCCESS; |
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160 | } |
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161 | |
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162 | |
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163 | |
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164 | |
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165 | |
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166 | |
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167 | |
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168 | int Message_Check_intercomm(MPI_Comm comm) |
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169 | { |
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170 | if(!comm->ep_comm_ptr->intercomm->mpi_inter_comm) return 0; |
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171 | |
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172 | Debug("Message probing for intercomm\n"); |
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173 | |
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174 | int flag = true; |
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175 | ::MPI_Message message; |
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176 | ::MPI_Status status; |
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177 | int current_ep_rank; |
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178 | MPI_Comm_rank(comm, ¤t_ep_rank); |
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179 | |
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180 | while(flag) // loop until the end of global queue "comm->ep_comm_ptr->intercomm->mpi_inter_comm" |
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181 | { |
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182 | Debug("Message probing for intracomm\n"); |
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183 | |
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184 | #pragma omp critical (_mpi_call) |
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185 | { |
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186 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm->ep_comm_ptr->intercomm->mpi_inter_comm), &flag, &status); |
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187 | if(flag) |
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188 | { |
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189 | Debug("find message in mpi comm \n"); |
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190 | ::MPI_Mprobe(status.MPI_SOURCE, status.MPI_TAG, to_mpi_comm(comm->ep_comm_ptr->intercomm->mpi_inter_comm), &message, &status); |
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191 | } |
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192 | } |
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193 | |
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194 | |
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195 | if(flag) |
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196 | { |
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197 | |
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198 | MPI_Message msg = new ep_message; |
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199 | msg->mpi_message = new ::MPI_Message(message); |
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200 | |
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201 | printf("new %p : in ep_lib::Message_Check, msg = new ep_message\n", msg); |
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202 | printf("new %p : in ep_lib::Message_Check, msg->mpi_message = new ::MPI_Message\n", msg->mpi_message); |
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203 | |
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204 | |
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205 | msg->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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206 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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207 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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208 | int src_mpi = status.MPI_SOURCE; |
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209 | int current_inter = comm->ep_comm_ptr->intercomm->local_rank_map->at(current_ep_rank).first; |
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210 | |
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211 | msg->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
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212 | msg->mpi_status = new ::MPI_Status(status); |
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213 | printf("new %p : in ep_lib::Message_Check, msg->mpi_status = new ::MPI_Status\n", msg->mpi_status); |
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214 | |
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215 | #pragma omp critical (_query) |
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216 | { |
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217 | #pragma omp flush |
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218 | comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->push_back(msg); |
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219 | #pragma omp flush |
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220 | } |
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221 | } |
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222 | } |
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223 | |
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224 | Message_Check_intracomm(comm); |
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225 | |
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226 | return MPI_SUCCESS; |
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227 | } |
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228 | |
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229 | |
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230 | |
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231 | } |
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