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 | if(EP_PendingRequests == 0 ) EP_PendingRequests = new std::list< MPI_Request* >; |
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23 | |
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24 | if(EP_PendingRequests->size() == 0) return 0; |
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25 | |
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26 | show_EP_PendingRequests(EP_PendingRequests); |
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27 | |
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28 | MPI_Status status; |
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29 | MPI_Message *message; |
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30 | int probed = false; |
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31 | int recv_count = 0; |
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32 | std::list<MPI_Request* >::iterator it; |
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33 | |
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34 | show_EP_PendingRequests(EP_PendingRequests); |
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35 | |
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36 | |
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37 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); it++) |
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38 | { |
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39 | if(*(*it) == 0) |
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40 | { |
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41 | EP_PendingRequests->erase(it); |
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42 | |
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43 | memcheck("EP_PendingRequests["<<ep_rank<<"]->size() = " << EP_PendingRequests->size()); |
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44 | it = EP_PendingRequests->begin(); |
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45 | continue; |
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46 | } |
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47 | |
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48 | Message_Check(((*(*it))->comm)); |
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49 | } |
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50 | |
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51 | |
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52 | |
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53 | |
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54 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); ) |
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55 | { |
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56 | if(*(*it) == 0) |
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57 | { |
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58 | EP_PendingRequests->erase(it); |
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59 | |
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60 | memcheck("EP_PendingRequests["<<ep_rank<<"]->size() = " << EP_PendingRequests->size()); |
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61 | it = EP_PendingRequests->begin(); |
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62 | continue; |
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63 | } |
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64 | |
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65 | if((*(*it))->probed == false) |
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66 | { |
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67 | #pragma omp critical (_query0) |
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68 | { |
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69 | MPI_Iprobe_endpoint((*(*it))->ep_src, (*(*it))->ep_tag, ((*(*it))->comm), &probed, &status); |
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70 | if(probed) |
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71 | { |
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72 | message = new MPI_Message; |
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73 | *message = new ep_message; |
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74 | |
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75 | memcheck("new "<< message <<" : in ep_lib::Request_Check, message = new MPI_Message"); |
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76 | memcheck("new "<< *message <<" : in ep_lib::Request_Check, *message = new ep_message"); |
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77 | |
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78 | |
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79 | MPI_Improbe_endpoint((*(*it))->ep_src, (*(*it))->ep_tag, (*(*it))->comm, &probed, message, &status); |
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80 | |
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81 | } |
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82 | } |
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83 | |
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84 | |
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85 | if(probed) |
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86 | { |
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87 | MPI_Get_count(&status, (*(*it))->ep_datatype, &recv_count); |
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88 | |
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89 | MPI_Imrecv((*(*it))->buf, recv_count, (*(*it))->ep_datatype, message, *it); |
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90 | (*(*it))->type = 3; |
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91 | (*(*it))->probed = true; |
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92 | |
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93 | memcheck("delete "<< status.mpi_status <<" : in ep_lib::Request_Check, delete status.mpi_status"); |
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94 | delete status.mpi_status; |
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95 | |
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96 | memcheck("delete "<< *message <<" : in ep_lib::Request_Check, delete *message"); |
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97 | memcheck("delete "<< message <<" : in ep_lib::Request_Check, delete message"); |
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98 | |
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99 | delete *message; |
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100 | delete message; |
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101 | |
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102 | it++; |
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103 | continue; |
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104 | } |
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105 | } |
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106 | |
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107 | it++; |
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108 | } |
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109 | |
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110 | show_EP_PendingRequests(EP_PendingRequests); |
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111 | } |
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112 | |
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113 | |
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114 | |
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115 | int Message_Check(MPI_Comm comm) |
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116 | { |
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117 | if(comm->is_ep) return Message_Check_endpoint(comm); |
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118 | } |
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119 | |
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120 | |
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121 | int Message_Check_endpoint(MPI_Comm comm) |
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122 | { |
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123 | |
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124 | int flag = true; |
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125 | ::MPI_Status status; |
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126 | ::MPI_Message message; |
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127 | |
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128 | while(flag) // loop until the end of global queue |
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129 | { |
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130 | Debug("Message probing for intracomm\n"); |
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131 | |
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132 | #pragma omp critical (_mpi_call) |
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133 | { |
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134 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm->mpi_comm), &flag, &status); |
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135 | if(flag) |
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136 | { |
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137 | Debug("find message in mpi comm \n"); |
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138 | ::MPI_Mprobe(status.MPI_SOURCE, status.MPI_TAG, to_mpi_comm(comm->mpi_comm), &message, &status); |
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139 | } |
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140 | } |
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141 | |
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142 | |
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143 | if(flag) |
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144 | { |
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145 | MPI_Message msg = new ep_message; |
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146 | msg->mpi_message = new ::MPI_Message(message); |
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147 | |
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148 | memcheck("new "<< msg <<" : in ep_lib::Message_Check, msg = new ep_message"); |
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149 | memcheck("new "<< msg->mpi_message <<" : in ep_lib::Message_Check, msg->mpi_message = new ::MPI_Message"); |
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150 | |
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151 | |
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152 | msg->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
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153 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
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154 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
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155 | int src_mpi = status.MPI_SOURCE; |
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156 | |
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157 | msg->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
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158 | |
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159 | #ifdef _showinfo |
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160 | printf("status.MPI_TAG = %d, src_loc = %d, dest_loc = %d, ep_tag = %d\n", status.MPI_TAG, src_loc, dest_loc, msg->ep_tag); |
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161 | #endif |
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162 | |
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163 | msg->mpi_status = new ::MPI_Status(status); |
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164 | memcheck("new "<< msg->mpi_status <<" : in ep_lib::Message_Check, msg->mpi_status = new ::MPI_Status"); |
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165 | |
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166 | #pragma omp critical (_query) |
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167 | { |
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168 | #pragma omp flush |
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169 | comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->push_back(msg); |
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170 | int dest_mpi = comm->ep_comm_ptr->size_rank_info[2].first; |
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171 | memcheck("message_queue["<<dest_mpi<<","<<dest_loc<<"]->size = "<<comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->size()); |
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172 | #pragma omp flush |
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173 | } |
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174 | } |
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175 | } |
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176 | |
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177 | return MPI_SUCCESS; |
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178 | } |
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179 | |
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180 | |
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181 | void show_EP_PendingRequests(std::list< ep_lib::MPI_Request* > * EP_PendingRequest) |
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182 | { |
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183 | #ifdef _showinfo |
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184 | std::list<MPI_Request* >::iterator it; |
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185 | |
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186 | int i=0; |
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187 | |
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188 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); it++) |
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189 | { |
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190 | if(*(*it) == 0) |
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191 | { |
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192 | EP_PendingRequests->erase(it); |
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193 | |
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194 | memcheck("EP_PendingRequests["<<ep_rank<<"]->size() = " << EP_PendingRequests->size()); |
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195 | it = EP_PendingRequests->begin(); |
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196 | continue; |
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197 | } |
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198 | |
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199 | if((*(*it))->ep_src>6) |
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200 | printf("EP_PendingRequests[%d] : ep_src = %d, ep_tag = %d, type = %d, state = %d, comm = %d\n", i, (*(*it))->ep_src, (*(*it))->ep_tag, (*(*it))->type, (*(*it))->state, to_mpi_comm(((*(*it))->comm)->mpi_comm)); |
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201 | i++; |
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202 | } |
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203 | #endif |
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204 | |
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205 | } |
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206 | |
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207 | |
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208 | |
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209 | } |
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210 | |
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