1 | #include "pool_ressource.hpp" |
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2 | #include "services.hpp" |
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3 | #include "buffer_in.hpp" |
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4 | #include "buffer_out.hpp" |
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5 | #include "message.hpp" |
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6 | #include "type.hpp" |
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7 | #include "cxios.hpp" |
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8 | #include "timer.hpp" |
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9 | |
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10 | namespace xios |
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11 | { |
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12 | CPoolRessource::CPoolRessource(MPI_Comm poolComm, const std::string& Id) : Id_(Id), finalizeSignal_(false) |
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13 | { |
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14 | int commRank, commSize ; |
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15 | MPI_Comm_dup(poolComm, &poolComm_) ; |
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16 | winNotify_ = new CWindowManager(poolComm_, maxBufferSize_) ; |
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17 | MPI_Comm_rank(poolComm, &commRank) ; |
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18 | MPI_Comm_size(poolComm, &commSize) ; |
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19 | info(40)<<"CPoolRessource::CPoolRessource : creating new pool : "<<Id<<endl ; |
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20 | if (commRank==localLeader_) |
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21 | { |
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22 | for(int i=0; i<commSize;i++) occupancy_.insert(std::pair<char,int>(0,i)) ; |
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23 | int globalLeaderRank ; |
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24 | MPI_Comm_rank(CXios::getXiosComm(),&globalLeaderRank) ; |
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25 | CXios::getRessourcesManager()->registerPool(Id, commSize, globalLeaderRank) ; |
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26 | } |
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27 | |
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28 | winNotify_->lockWindow(commRank,0) ; |
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29 | winNotify_->updateToWindow(commRank, this, &CPoolRessource::createServiceDumpOut) ; |
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30 | winNotify_->unlockWindow(commRank,0) ; |
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31 | MPI_Barrier(poolComm_) ; |
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32 | } |
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33 | |
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34 | void CPoolRessource::createService(const std::string& serviceId, int type, int size, int nbPartitions) |
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35 | { |
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36 | // for now suppose nbPartitions=1 |
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37 | |
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38 | auto it=occupancy_.begin() ; |
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39 | int commSize ; |
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40 | MPI_Comm_size(poolComm_, &commSize) ; |
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41 | vector<bool> procs_in(commSize,false) ; |
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42 | vector<pair<int,int>> procs_update ; |
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43 | |
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44 | for(int i=0; i<size; i++) |
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45 | { |
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46 | procs_in[it->second]=true ; |
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47 | procs_update.push_back(std::pair<int,int>(it->first+1,it->second)) ; |
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48 | ++it ; |
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49 | } |
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50 | |
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51 | occupancy_.erase(occupancy_.begin(),it) ; |
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52 | occupancy_.insert(procs_update.begin(),procs_update.end()) ; |
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53 | |
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54 | info(40)<<"CPoolRessource::createService : notify createService to all pool members ; serviceId : "<<serviceId<<endl ; |
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55 | for(int rank=0; rank<commSize; rank++) |
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56 | { |
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57 | if (procs_in[rank]) createServiceNotify(rank, serviceId, type, size, nbPartitions, true) ; |
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58 | else createServiceNotify(rank, serviceId, type, size, nbPartitions, false) ; |
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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 | void CPoolRessource::createServiceNotify(int rank, const std::string& serviceId, int type, int size, int nbPartitions, |
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64 | bool in) |
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65 | { |
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66 | winNotify_->lockWindow(rank,0) ; |
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67 | winNotify_->updateFromWindow(rank, this, &CPoolRessource::createServiceDumpIn) ; |
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68 | notifications_.push_back(std::make_tuple(serviceId,type,size,nbPartitions,in)) ; |
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69 | winNotify_->updateToWindow(rank, this, &CPoolRessource::createServiceDumpOut) ; |
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70 | winNotify_->unlockWindow(rank,0) ; |
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71 | } |
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72 | |
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73 | |
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74 | void CPoolRessource::createServiceDumpOut(CBufferOut& buffer) |
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75 | { |
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76 | buffer.realloc(maxBufferSize_) ; |
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77 | |
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78 | buffer << (int) (notifications_.size()); |
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79 | |
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80 | for(auto it=notifications_.begin();it!=notifications_.end(); ++it) |
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81 | buffer << std::get<0>(*it) << static_cast<int>(std::get<1>(*it))<< std::get<2>(*it)<< std::get<3>(*it) << std::get<4>(*it) ; |
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82 | } |
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83 | |
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84 | |
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85 | void CPoolRessource::createServiceDumpIn(CBufferIn& buffer) |
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86 | { |
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87 | std::string serviceId ; |
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88 | int type ; |
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89 | int size; |
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90 | int nbPartitions; |
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91 | bool in ; |
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92 | |
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93 | notifications_.clear() ; |
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94 | int nbNotifications ; |
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95 | buffer>>nbNotifications ; |
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96 | for(int i=0;i<nbNotifications;i++) |
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97 | { |
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98 | buffer>>serviceId>>type>>size>>nbPartitions>>in ; |
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99 | notifications_.push_back(std::make_tuple(serviceId,type,size,nbPartitions,in)) ; |
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100 | } |
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101 | } |
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102 | |
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103 | bool CPoolRessource::eventLoop(bool serviceOnly) |
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104 | { |
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105 | CTimer::get("CPoolRessource::eventLoop").resume(); |
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106 | |
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107 | double time=MPI_Wtime() ; |
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108 | int flag ; |
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109 | MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &flag, MPI_STATUS_IGNORE); |
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110 | if (time-lastEventLoop_ > eventLoopLatency_) |
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111 | { |
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112 | checkCreateServiceNotification() ; |
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113 | lastEventLoop_=time ; |
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114 | } |
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115 | |
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116 | for (auto it=services_.begin(); it!=services_.end() ; ++it) |
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117 | { |
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118 | if (it->second->eventLoop(serviceOnly)) |
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119 | { |
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120 | delete it->second ; |
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121 | services_.erase(it) ; |
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122 | // don't forget to free service later |
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123 | break ; |
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124 | } |
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125 | } |
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126 | CTimer::get("CPoolRessource::eventLoop").suspend(); |
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127 | if (services_.empty() && finalizeSignal_) return true ; |
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128 | else return false ; |
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129 | } |
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130 | |
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131 | void CPoolRessource::checkCreateServiceNotification(void) |
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132 | { |
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133 | int commRank ; |
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134 | MPI_Comm_rank(poolComm_, &commRank) ; |
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135 | winNotify_->lockWindow(commRank,0) ; |
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136 | winNotify_->updateFromWindow(commRank, this, &CPoolRessource::createServiceDumpIn) ; |
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137 | |
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138 | if (!notifications_.empty()) |
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139 | { |
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140 | auto info = notifications_.front() ; |
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141 | createNewService(get<0>(info), get<1>(info), get<2>(info), get<3>(info), get<4>(info)) ; |
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142 | notifications_.pop_front() ; |
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143 | winNotify_->updateToWindow(commRank, this, &CPoolRessource::createServiceDumpOut) ; |
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144 | } |
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145 | winNotify_->unlockWindow(commRank,0) ; |
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146 | |
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147 | } |
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148 | |
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149 | void CPoolRessource::createNewService(const std::string& serviceId, int type, int size, int nbPartitions, bool in) |
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150 | { |
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151 | |
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152 | info(40)<<"CPoolRessource::createNewService : receive createService notification ; serviceId : "<<serviceId<<endl ; |
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153 | MPI_Comm serviceComm, newServiceComm ; |
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154 | int commRank ; |
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155 | MPI_Comm_rank(poolComm_,&commRank) ; |
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156 | MPI_Comm_split(poolComm_, in, commRank, &serviceComm) ; |
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157 | if (in) |
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158 | { |
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159 | int serviceCommSize ; |
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160 | int serviceCommRank ; |
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161 | MPI_Comm_size(serviceComm,&serviceCommSize) ; |
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162 | MPI_Comm_rank(serviceComm,&serviceCommRank) ; |
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163 | |
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164 | info(10)<<"Service "<<serviceId<<" created "<<" service size : "<<serviceCommSize<< " service rank : "<<serviceCommRank |
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165 | <<" on rank pool "<<commRank<<endl ; |
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166 | |
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167 | int partitionId ; |
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168 | if ( serviceCommRank >= (serviceCommSize/nbPartitions+1)*(serviceCommSize%nbPartitions) ) |
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169 | { |
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170 | int rank = serviceCommRank - (serviceCommSize/nbPartitions+1)*(serviceCommSize%nbPartitions) ; |
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171 | partitionId = serviceCommSize%nbPartitions + rank / (serviceCommSize/nbPartitions) ; |
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172 | } |
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173 | else partitionId = serviceCommRank / (serviceCommSize/nbPartitions + 1) ; |
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174 | |
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175 | MPI_Comm_split(serviceComm, partitionId, commRank, &newServiceComm) ; |
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176 | |
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177 | MPI_Comm_size(newServiceComm,&serviceCommSize) ; |
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178 | MPI_Comm_rank(newServiceComm,&serviceCommRank) ; |
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179 | info(10)<<"Service "<<serviceId<<" created "<<" partition : " <<partitionId<<" service size : "<<serviceCommSize |
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180 | << " service rank : "<<serviceCommRank <<" on rank pool "<<commRank<<endl ; |
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181 | |
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182 | services_[std::make_tuple(serviceId,partitionId)] = new CService(newServiceComm, Id_, serviceId, partitionId, type, nbPartitions) ; |
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183 | |
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184 | MPI_Comm_free(&newServiceComm) ; |
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185 | } |
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186 | MPI_Comm_free(&serviceComm) ; |
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187 | } |
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188 | |
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189 | void CPoolRessource::createService(MPI_Comm serviceComm, const std::string& serviceId, int partitionId, int type, int nbPartitions) // for clients & attached |
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190 | { |
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191 | services_[std::make_tuple(serviceId,partitionId)] = new CService(serviceComm, Id_, serviceId, partitionId, type, nbPartitions) ; |
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192 | } |
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193 | |
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194 | |
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195 | void CPoolRessource::finalizeSignal(void) |
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196 | { |
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197 | finalizeSignal_=true ; |
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198 | for (auto it=services_.begin(); it!=services_.end() ; ++it) it->second->finalizeSignal() ; |
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199 | } |
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200 | |
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201 | CPoolRessource::~CPoolRessource() |
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202 | { |
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203 | delete winNotify_ ; |
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204 | for(auto& service : services_) delete service.second ; |
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205 | } |
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206 | } |
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