1 | #ifndef __GATHERER_CONNECTOR_HPP__ |
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2 | #define __GATHERER_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 CGathererConnector |
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17 | { |
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18 | private: |
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19 | CDistributedView* srcView_; |
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20 | CLocalView* dstView_; |
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21 | map<int, vector<int>> connector_ ; |
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22 | map<int, vector<bool>> mask_ ; // mask is on src view |
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23 | int dstSize_ ; |
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24 | map<int,int> srcSize_ ; |
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25 | |
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26 | public: |
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27 | CGathererConnector(CDistributedView* srcView, CLocalView* dstView) : srcView_(srcView), dstView_(dstView) {} ; |
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28 | void computeConnector(void) ; |
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29 | |
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30 | template<typename T> |
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31 | void transfer(map<int, CArray<T,1>>& dataIn, CArray<T,1>& dataOut) |
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32 | { |
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33 | dataOut.resize(dstSize_) ; |
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34 | T* output = dataOut.dataFirst() ; |
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35 | for(auto& data : dataIn) |
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36 | { |
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37 | int rank=data.first ; |
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38 | auto input = data.second.dataFirst() ; |
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39 | auto& connector=connector_[rank] ; |
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40 | auto& mask=mask_[rank] ; |
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41 | int size=data.second.numElements() ; |
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42 | |
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43 | for(int i=0, j=0 ;i<size;i++) |
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44 | { |
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45 | if (mask[i]) |
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46 | { |
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47 | output[connector[j]] = input[i] ; |
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48 | j++ ; |
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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 | |
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55 | template<typename T> |
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56 | void transfer(int rank, CGathererConnector** connectors, int nConnectors, const T* input, T* output) |
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57 | { |
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58 | auto& connector = connector_[rank] ; // probably costly, find a better way to avoid the map |
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59 | auto& mask = mask_[rank] ; |
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60 | int srcSize = mask.size() ; |
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61 | |
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62 | if (nConnectors==0) |
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63 | { |
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64 | for(int i=0, j=0; i<srcSize; i++) |
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65 | if (mask[i]) |
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66 | { |
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67 | *(output+connector[j]) = *(input + i) ; |
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68 | j++ ; |
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69 | } |
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70 | |
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71 | } |
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72 | else |
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73 | { |
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74 | int srcSliceSize = (*(connectors-1))->getSrcSliceSize(rank, connectors-1, nConnectors-1) ; |
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75 | int dstSliceSize = (*(connectors-1))->getDstSliceSize(connectors-1, nConnectors-1) ; |
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76 | |
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77 | const T* in = input ; |
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78 | for(int i=0,j=0;i<srcSize;i++) |
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79 | { |
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80 | if (mask[i]) |
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81 | { |
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82 | (*(connectors-1))->transfer(rank, connectors-1, nConnectors-1, in, output+connector[j]*dstSliceSize) ; // the multiplication must be avoid in further optimization |
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83 | j++ ; |
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84 | } |
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85 | in += srcSliceSize ; |
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86 | } |
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87 | } |
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88 | |
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89 | } |
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90 | |
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91 | |
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92 | template<typename T> |
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93 | void transfer(map<int, CArray<T,1>>& dataIn, CArray<T,1>& dataOut, T missingValue) |
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94 | { |
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95 | dataOut.resize(dstSize_) ; |
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96 | dataOut=missingValue ; |
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97 | transfer(map<int, CArray<T,1>>& dataIn, CArray<T,1>& dataOut) ; |
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98 | } |
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99 | |
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100 | template<typename T> |
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101 | void transfer(CEventServer& event, CArray<T,1>& dataOut) |
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102 | { |
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103 | map<int, CArray<T,1>> dataIn ; |
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104 | for (auto& subEvent : event.subEvents) |
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105 | { |
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106 | auto& data = dataIn[subEvent.rank]; |
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107 | (*subEvent.buffer) >> data ; |
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108 | } |
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109 | transfer(dataIn, dataOut) ; |
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110 | } |
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111 | |
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112 | template<typename T> |
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113 | void transfer(CEventServer& event, CArray<T,1>& dataOut, T missingValue) |
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114 | { |
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115 | map<int, CArray<T,1>> dataIn ; |
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116 | for (auto& subEvent : event.subEvents) |
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117 | { |
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118 | auto& data = dataIn[subEvent.rank]; |
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119 | (*subEvent.buffer) >> data ; |
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120 | } |
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121 | transfer(dataIn, dataOut, missingValue) ; |
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122 | } |
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123 | |
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124 | int getSrcSliceSize(int rank, CGathererConnector** connectors, int nConnectors) |
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125 | { if (nConnectors==0) return srcSize_[rank] ; else return srcSize_[rank] * (*(connectors-1))->getSrcSliceSize(rank, connectors-1,nConnectors-1) ; } |
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126 | |
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127 | int getDstSliceSize(CGathererConnector** connectors, int nConnectors) |
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128 | { if (nConnectors==0) return dstSize_ ; else return dstSize_ * (*(connectors-1))->getDstSliceSize(connectors-1,nConnectors-1) ; } |
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129 | |
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130 | int getDstSize(void) {return dstSize_ ;} |
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131 | } ; |
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132 | |
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133 | } |
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134 | |
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135 | #endif |
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