1 | #ifndef __REMOTE_CONNECTOR_HPP__ |
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2 | #define __REMOTE_CONNECTOR_HPP__ |
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3 | |
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4 | #include "xios_spl.hpp" |
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5 | #include "array_new.hpp" |
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6 | #include "distributed_view.hpp" |
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7 | #include "mpi.hpp" |
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8 | #include "local_view.hpp" |
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9 | #include "distributed_view.hpp" |
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10 | #include "context_client.hpp" |
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11 | |
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12 | |
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13 | namespace xios |
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14 | { |
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15 | |
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16 | class CRemoteConnector |
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17 | { |
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18 | private: |
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19 | CLocalView* srcView_; |
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20 | CDistributedView* dstView_; |
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21 | map<int, vector<int>> connector_ ; // connector[rank][srcIndex] |
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22 | |
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23 | MPI_Comm localComm_ ; |
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24 | map<int,int> nbSenders_ ; // number of participant when sending remote buffer |
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25 | map<int, CArray<size_t,1>> element_ ; // global index of elements to send |
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26 | |
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27 | public: |
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28 | CRemoteConnector(CLocalView* srcView, CDistributedView* dstView, MPI_Comm localComm) : srcView_(srcView), dstView_(dstView), localComm_(localComm){} ; |
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29 | void computeConnector(void) ; |
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30 | map<int, CArray<size_t,1>>& getDistributedGlobalIndex() { return element_ ;} |
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31 | |
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32 | template<typename T> |
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33 | void transfer(const CArray<T,1>& dataIn, map<int, CArray<T,1>>& dataOut) |
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34 | { |
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35 | auto ptrDataIn = dataIn.dataFirst() ; |
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36 | for(auto& indexRank : connector_) |
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37 | { |
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38 | int rank=indexRank.first ; |
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39 | auto& index=indexRank.second ; |
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40 | auto it = dataOut.emplace(rank, CArray<T,1>(index.size())).first ; // return an iterator on the obect inserted |
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41 | auto ptrDataOut = it->second.dataFirst() ; |
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42 | for(auto ind : index) |
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43 | { |
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44 | *ptrDataOut = ptrDataIn[ind] ; |
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45 | ptrDataOut++ ; |
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46 | } |
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47 | } |
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48 | } |
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49 | |
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50 | template<typename T> |
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51 | void sendToServer(map<int, CArray<T,1>>& dataOut, CContextClient* client, CEventClient& event, const CMessage& messageHeader) |
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52 | { |
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53 | list<CMessage> messages; |
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54 | for(auto ranksData : dataOut) |
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55 | { |
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56 | int rank = ranksData.first ; |
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57 | auto& data = ranksData.second ; |
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58 | |
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59 | messages.push_back(CMessage(messageHeader)); |
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60 | messages.back().push(data) ; |
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61 | event.push(rank, nbSenders_[rank], messages.back()); |
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62 | } |
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63 | client->sendEvent(event) ; |
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64 | } |
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65 | |
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66 | template<typename T> |
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67 | void transferToServer(const CArray<T,1>& dataIn, CContextClient* client, CEventClient& event, const CMessage& messageHeader) |
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68 | { |
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69 | map<int, CArray<T,1>> dataOut ; |
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70 | transfer(dataIn, dataOut) ; |
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71 | sendToServer(dataOut, client, event,messageHeader) ; |
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72 | } |
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73 | |
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74 | } ; |
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75 | |
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76 | } |
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77 | |
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78 | #endif |
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