1 | #ifndef __GRID_TRANSFORM_CONNECTOR_HPP__ |
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2 | #define __GRID_TRANSFORM_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 "local_view.hpp" |
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8 | #include "grid_scatterer_connector.hpp" |
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9 | #include "grid_gatherer_connector.hpp" |
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10 | #include "mpi.hpp" |
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11 | |
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12 | namespace xios |
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13 | { |
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14 | |
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15 | |
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16 | class CGridTransformConnector |
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17 | { |
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18 | |
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19 | public: |
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20 | CGridTransformConnector(vector<CLocalView*> srcViews, vector<CLocalView*> remoteViews, MPI_Comm localComm) |
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21 | : srcViews_(srcViews), remoteViews_(remoteViews), localComm_(localComm) |
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22 | { computeConnector();} |
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23 | |
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24 | void computeConnector(void) ; |
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25 | protected: |
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26 | MPI_Comm localComm_ ; |
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27 | vector<CLocalView*> srcViews_ ; |
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28 | vector<CLocalView*> remoteViews_ ; |
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29 | map<int,int> recvRankSize_ ; |
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30 | |
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31 | vector<CScattererConnector*> scattererConnector_ ; |
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32 | vector<CGathererConnector*> gathererConnector_ ; |
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33 | CGridScattererConnector* gridScattererConnector_ ; |
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34 | CGridGathererConnector* gridGathererConnector_ ; |
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35 | |
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36 | public: |
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37 | template<typename T> |
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38 | void transfer(const CArray<T,1>& dataIn, CArray<T,1>& dataOut) |
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39 | { |
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40 | map<int,CArray<T,1>> tmpArrayIn ; |
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41 | gridScattererConnector_->transfer(dataIn, tmpArrayIn) ; |
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42 | vector<MPI_Request> requests ; |
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43 | MPI_Request request ; |
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44 | for(auto it : tmpArrayIn) |
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45 | { |
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46 | auto& array = it.second ; |
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47 | MPI_Issend(array.dataFirst(), array.numElements(), MPI_GetType<T>(), it.first, 0, localComm_, &request) ; |
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48 | requests.push_back(request) ; |
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49 | } |
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50 | |
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51 | map<int,CArray<T,1>> tmpArrayOut ; |
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52 | for(auto it : recvRankSize_) |
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53 | { |
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54 | auto& array = tmpArrayOut[it.first] ; |
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55 | array.resize(it.second) ; |
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56 | MPI_Irecv(array.dataFirst(), array.numElements(), MPI_GetType<T>(), it.first, 0, localComm_, &request) ; |
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57 | requests.push_back(request) ; |
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58 | } |
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59 | |
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60 | vector<MPI_Status> status(requests.size()) ; |
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61 | MPI_Waitall(requests.size(), requests.data(),status.data()) ; |
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62 | |
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63 | const double nanValue = std::numeric_limits<double>::quiet_NaN(); |
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64 | gridGathererConnector_->transfer(tmpArrayOut, dataOut, nanValue) ; |
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65 | } |
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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 | #endif |
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