1 | /*! |
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2 | \file domain_algorithm_interpolate_from_file.cpp |
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3 | \author Ha NGUYEN |
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4 | \since 09 Jul 2015 |
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5 | \date 15 Sep 2015 |
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6 | |
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7 | \brief Algorithm for interpolation on a domain. |
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8 | */ |
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9 | #include "domain_algorithm_interpolate.hpp" |
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10 | #include <boost/unordered_map.hpp> |
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11 | #include "context.hpp" |
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12 | #include "context_client.hpp" |
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13 | #include "distribution_client.hpp" |
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14 | #include "client_server_mapping_distributed.hpp" |
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15 | #include "netcdf.hpp" |
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16 | #include "mapper.hpp" |
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17 | #include "mpi_tag.hpp" |
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18 | #include "domain.hpp" |
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19 | #include "grid_transformation_factory_impl.hpp" |
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20 | #include "interpolate_domain.hpp" |
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21 | #include "grid.hpp" |
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22 | |
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23 | namespace xios { |
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24 | CGenericAlgorithmTransformation* CDomainAlgorithmInterpolate::create(CGrid* gridDst, CGrid* gridSrc, |
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25 | CTransformation<CDomain>* transformation, |
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26 | int elementPositionInGrid, |
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27 | std::map<int, int>& elementPositionInGridSrc2ScalarPosition, |
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28 | std::map<int, int>& elementPositionInGridSrc2AxisPosition, |
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29 | std::map<int, int>& elementPositionInGridSrc2DomainPosition, |
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30 | std::map<int, int>& elementPositionInGridDst2ScalarPosition, |
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31 | std::map<int, int>& elementPositionInGridDst2AxisPosition, |
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32 | std::map<int, int>& elementPositionInGridDst2DomainPosition) |
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33 | { |
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34 | std::vector<CDomain*> domainListDestP = gridDst->getDomains(); |
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35 | std::vector<CDomain*> domainListSrcP = gridSrc->getDomains(); |
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36 | |
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37 | CInterpolateDomain* interpolateDomain = dynamic_cast<CInterpolateDomain*> (transformation); |
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38 | int domainDstIndex = elementPositionInGridDst2DomainPosition[elementPositionInGrid]; |
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39 | int domainSrcIndex = elementPositionInGridSrc2DomainPosition[elementPositionInGrid]; |
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40 | |
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41 | return (new CDomainAlgorithmInterpolate(domainListDestP[domainDstIndex], domainListSrcP[domainSrcIndex], interpolateDomain)); |
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42 | } |
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43 | |
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44 | bool CDomainAlgorithmInterpolate::registerTrans() |
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45 | { |
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46 | CGridTransformationFactory<CDomain>::registerTransformation(TRANS_INTERPOLATE_DOMAIN, create); |
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47 | } |
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48 | |
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49 | CDomainAlgorithmInterpolate::CDomainAlgorithmInterpolate(CDomain* domainDestination, CDomain* domainSource, CInterpolateDomain* interpDomain) |
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50 | : CDomainAlgorithmTransformation(domainDestination, domainSource), interpDomain_(interpDomain), writeToFile_(false), readFromFile_(false) |
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51 | { |
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52 | CContext* context = CContext::getCurrent(); |
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53 | interpDomain_->checkValid(domainSource); |
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54 | fileToReadWrite_ = "xios_interpolation_weights_"; |
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55 | |
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56 | if (interpDomain_->weight_filename.isEmpty()) |
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57 | { |
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58 | fileToReadWrite_ += context->getId() + "_" + |
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59 | domainSource->getDomainOutputName() + "_" + |
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60 | domainDestination->getDomainOutputName() + ".nc"; |
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61 | } |
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62 | else |
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63 | fileToReadWrite_ = interpDomain_->weight_filename; |
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64 | |
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65 | ifstream f(fileToReadWrite_.c_str()); |
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66 | switch (interpDomain_->mode) |
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67 | { |
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68 | case CInterpolateDomain::mode_attr::read: |
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69 | readFromFile_ = true; |
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70 | break; |
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71 | case CInterpolateDomain::mode_attr::compute: |
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72 | readFromFile_ = false; |
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73 | break; |
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74 | case CInterpolateDomain::mode_attr::read_or_compute: |
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75 | if (!f.good()) |
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76 | readFromFile_ = false; |
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77 | else |
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78 | readFromFile_ = true; |
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79 | break; |
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80 | default: |
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81 | break; |
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82 | } |
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83 | |
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84 | writeToFile_ = interpDomain_->write_weight; |
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85 | |
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86 | } |
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87 | |
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88 | /*! |
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89 | Compute remap with integrated remap calculation module |
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90 | */ |
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91 | void CDomainAlgorithmInterpolate::computeRemap() |
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92 | { |
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93 | using namespace sphereRemap; |
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94 | |
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95 | CContext* context = CContext::getCurrent(); |
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96 | CContextClient* client=context->client; |
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97 | int clientRank = client->clientRank; |
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98 | int i, j, k, idx; |
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99 | std::vector<double> srcPole(3,0), dstPole(3,0); |
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100 | int orderInterp = interpDomain_->order.getValue(); |
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101 | bool renormalize ; |
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102 | bool quantity ; |
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103 | |
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104 | if (interpDomain_->renormalize.isEmpty()) renormalize=true; |
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105 | else renormalize = interpDomain_->renormalize; |
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106 | |
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107 | if (interpDomain_->quantity.isEmpty()) quantity=false; |
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108 | else quantity = interpDomain_->quantity; |
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109 | |
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110 | const double poleValue = 90.0; |
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111 | const int constNVertex = 4; // Value by default number of vertex for rectangular domain |
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112 | int nVertexSrc, nVertexDest; |
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113 | nVertexSrc = nVertexDest = constNVertex; |
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114 | |
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115 | // First of all, try to retrieve the boundary values of domain source and domain destination |
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116 | int localDomainSrcSize = domainSrc_->i_index.numElements(); |
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117 | int niSrc = domainSrc_->ni.getValue(), njSrc = domainSrc_->nj.getValue(); |
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118 | bool hasBoundSrc = domainSrc_->hasBounds; |
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119 | if (hasBoundSrc) nVertexSrc = domainSrc_->nvertex.getValue(); |
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120 | CArray<double,2> boundsLonSrc(nVertexSrc,localDomainSrcSize); |
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121 | CArray<double,2> boundsLatSrc(nVertexSrc,localDomainSrcSize); |
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122 | |
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123 | if (domainSrc_->hasPole) srcPole[2] = 1; |
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124 | if (hasBoundSrc) // Suppose that domain source is curvilinear or unstructured |
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125 | { |
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126 | if (!domainSrc_->bounds_lon_2d.isEmpty()) |
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127 | { |
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128 | for (j = 0; j < njSrc; ++j) |
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129 | for (i = 0; i < niSrc; ++i) |
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130 | { |
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131 | k=j*niSrc+i; |
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132 | for(int n=0;n<nVertexSrc;++n) |
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133 | { |
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134 | boundsLonSrc(n,k) = domainSrc_->bounds_lon_2d(n,i,j); |
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135 | boundsLatSrc(n,k) = domainSrc_->bounds_lat_2d(n,i,j); |
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136 | } |
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137 | } |
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138 | } |
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139 | else |
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140 | { |
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141 | boundsLonSrc = domainSrc_->bounds_lon_1d; |
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142 | boundsLatSrc = domainSrc_->bounds_lat_1d; |
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143 | } |
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144 | } |
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145 | else // if domain source is rectilinear, not do anything now |
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146 | { |
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147 | CArray<double,1> lon_g ; |
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148 | CArray<double,1> lat_g ; |
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149 | |
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150 | if (!domainSrc_->lonvalue_1d.isEmpty() && !domainSrc_->latvalue_1d.isEmpty()) |
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151 | { |
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152 | domainSrc_->AllgatherRectilinearLonLat(domainSrc_->lonvalue_1d,domainSrc_->latvalue_1d, lon_g,lat_g) ; |
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153 | } |
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154 | else if (! domainSrc_->latvalue_rectilinear_read_from_file.isEmpty() && ! domainSrc_->lonvalue_rectilinear_read_from_file.isEmpty() ) |
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155 | { |
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156 | lat_g=domainSrc_->latvalue_rectilinear_read_from_file ; |
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157 | lon_g=domainSrc_->lonvalue_rectilinear_read_from_file ; |
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158 | } |
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159 | else if (!domainSrc_->lon_start.isEmpty() && !domainSrc_->lon_end.isEmpty() && |
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160 | !domainSrc_->lat_start.isEmpty() && !domainSrc_->lat_end.isEmpty()) |
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161 | { |
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162 | double step=(domainSrc_->lon_end-domainSrc_->lon_start)/domainSrc_->ni_glo ; |
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163 | for (int i=0; i<domainSrc_->ni_glo; ++i) lon_g(i)=domainSrc_->lon_start+i*step ; |
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164 | step=(domainSrc_->lat_end-domainSrc_->lat_start)/domainSrc_->nj_glo ; |
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165 | for (int i=0; i<domainSrc_->ni_glo; ++i) lat_g(i)=domainSrc_->lat_start+i*step ; |
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166 | } |
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167 | else ERROR("void CDomainAlgorithmInterpolate::computeRemap()",<<"Cannot compute bounds for rectilinear domain") ; |
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168 | |
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169 | nVertexSrc = constNVertex; |
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170 | domainSrc_->fillInRectilinearBoundLonLat(lon_g,lat_g, boundsLonSrc, boundsLatSrc); |
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171 | } |
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172 | |
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173 | std::map<int,std::vector<std::pair<int,double> > > interpMapValueNorthPole; |
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174 | std::map<int,std::vector<std::pair<int,double> > > interpMapValueSouthPole; |
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175 | |
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176 | int localDomainDestSize = domainDest_->i_index.numElements(); |
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177 | int niDest = domainDest_->ni.getValue(), njDest = domainDest_->nj.getValue(); |
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178 | bool hasBoundDest = domainDest_->hasBounds; |
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179 | if (hasBoundDest) nVertexDest = domainDest_->nvertex.getValue(); |
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180 | CArray<double,2> boundsLonDest(nVertexDest,localDomainDestSize); |
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181 | CArray<double,2> boundsLatDest(nVertexDest,localDomainDestSize); |
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182 | |
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183 | if (domainDest_->hasPole) dstPole[2] = 1; |
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184 | if (hasBoundDest) |
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185 | { |
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186 | if (!domainDest_->bounds_lon_2d.isEmpty()) |
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187 | { |
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188 | for (j = 0; j < njDest; ++j) |
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189 | for (i = 0; i < niDest; ++i) |
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190 | { |
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191 | k=j*niDest+i; |
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192 | for(int n=0;n<nVertexDest;++n) |
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193 | { |
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194 | boundsLonDest(n,k) = domainDest_->bounds_lon_2d(n,i,j); |
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195 | boundsLatDest(n,k) = domainDest_->bounds_lat_2d(n,i,j); |
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196 | } |
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197 | } |
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198 | } |
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199 | else |
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200 | { |
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201 | boundsLonDest = domainDest_->bounds_lon_1d; |
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202 | boundsLatDest = domainDest_->bounds_lat_1d; |
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203 | } |
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204 | } |
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205 | else |
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206 | { |
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207 | bool isNorthPole = false; |
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208 | bool isSouthPole = false; |
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209 | |
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210 | CArray<double,1> lon_g ; |
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211 | CArray<double,1> lat_g ; |
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212 | |
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213 | if (!domainDest_->lonvalue_1d.isEmpty() && !domainDest_->latvalue_1d.isEmpty()) |
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214 | { |
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215 | domainDest_->AllgatherRectilinearLonLat(domainDest_->lonvalue_1d,domainDest_->latvalue_1d, lon_g,lat_g) ; |
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216 | } |
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217 | else if (! domainDest_->latvalue_rectilinear_read_from_file.isEmpty() && ! domainDest_->lonvalue_rectilinear_read_from_file.isEmpty() ) |
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218 | { |
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219 | lat_g=domainDest_->latvalue_rectilinear_read_from_file ; |
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220 | lon_g=domainDest_->lonvalue_rectilinear_read_from_file ; |
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221 | } |
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222 | else if (!domainDest_->lon_start.isEmpty() && !domainDest_->lon_end.isEmpty() && |
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223 | !domainDest_->lat_start.isEmpty() && !domainDest_->lat_end.isEmpty()) |
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224 | { |
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225 | double step=(domainDest_->lon_end-domainDest_->lon_start)/domainDest_->ni_glo ; |
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226 | for(int i=0; i<domainDest_->ni_glo; ++i) lon_g(i)=domainDest_->lon_start+i*step ; |
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227 | step=(domainDest_->lat_end-domainDest_->lat_start)/domainDest_->nj_glo ; |
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228 | for(int i=0; i<domainDest_->ni_glo; ++i) lat_g(i)=domainDest_->lat_start+i*step ; |
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229 | } |
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230 | else ERROR("void CDomainAlgorithmInterpolate::computeRemap()",<<"Cannot compute bounds for rectilinear domain") ; |
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231 | |
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232 | if (std::abs(poleValue - std::abs(lat_g(0))) < NumTraits<double>::epsilon()) isNorthPole = true; |
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233 | if (std::abs(poleValue - std::abs(lat_g(domainDest_->nj_glo-1))) < NumTraits<double>::epsilon()) isSouthPole = true; |
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234 | |
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235 | |
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236 | |
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237 | |
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238 | if (isNorthPole && (0 == domainDest_->jbegin.getValue())) |
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239 | { |
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240 | int ibegin = domainDest_->ibegin.getValue(); |
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241 | for (i = 0; i < niDest; ++i) |
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242 | { |
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243 | interpMapValueNorthPole[i+ibegin]; |
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244 | } |
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245 | } |
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246 | |
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247 | if (isSouthPole && (domainDest_->nj_glo.getValue() == (domainDest_->jbegin.getValue() + njDest))) |
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248 | { |
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249 | int ibegin = domainDest_->ibegin.getValue(); |
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250 | int njGlo = domainDest_->nj_glo.getValue(); |
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251 | int niGlo = domainDest_->ni_glo.getValue(); |
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252 | for (i = 0; i < niDest; ++i) |
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253 | { |
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254 | k = (njGlo - 1)*niGlo + i + ibegin; |
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255 | interpMapValueSouthPole[k]; |
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256 | } |
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257 | } |
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258 | |
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259 | // Ok, fill in boundary values for rectangular domain |
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260 | nVertexDest = constNVertex; |
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261 | domainDest_->fillInRectilinearBoundLonLat(lon_g,lat_g, boundsLonDest, boundsLatDest); |
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262 | } |
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263 | |
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264 | |
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265 | |
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266 | // Ok, now use mapper to calculate |
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267 | int nSrcLocal = domainSrc_->i_index.numElements(); |
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268 | int nDstLocal = domainDest_->i_index.numElements(); |
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269 | long int * globalSrc = new long int [nSrcLocal]; |
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270 | long int * globalDst = new long int [nDstLocal]; |
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271 | |
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272 | long int globalIndex; |
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273 | int i_ind, j_ind; |
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274 | for (int idx = 0; idx < nSrcLocal; ++idx) |
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275 | { |
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276 | i_ind=domainSrc_->i_index(idx) ; |
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277 | j_ind=domainSrc_->j_index(idx) ; |
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278 | |
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279 | globalIndex = i_ind + j_ind * domainSrc_->ni_glo; |
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280 | globalSrc[idx] = globalIndex; |
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281 | } |
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282 | |
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283 | for (int idx = 0; idx < nDstLocal; ++idx) |
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284 | { |
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285 | i_ind=domainDest_->i_index(idx) ; |
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286 | j_ind=domainDest_->j_index(idx) ; |
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287 | |
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288 | globalIndex = i_ind + j_ind * domainDest_->ni_glo; |
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289 | globalDst[idx] = globalIndex; |
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290 | } |
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291 | |
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292 | |
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293 | // Calculate weight index |
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294 | Mapper mapper(client->intraComm); |
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295 | mapper.setVerbosity(PROGRESS) ; |
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296 | |
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297 | |
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298 | // supress masked data for the source |
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299 | int nSrcLocalUnmasked = 0 ; |
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300 | for (int idx=0 ; idx < nSrcLocal; idx++) if (domainSrc_->localMask(idx)) ++nSrcLocalUnmasked ; |
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301 | |
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302 | |
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303 | CArray<double,2> boundsLonSrcUnmasked(nVertexSrc,nSrcLocalUnmasked); |
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304 | CArray<double,2> boundsLatSrcUnmasked(nVertexSrc,nSrcLocalUnmasked); |
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305 | long int * globalSrcUnmasked = new long int [nSrcLocalUnmasked]; |
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306 | |
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307 | nSrcLocalUnmasked=0 ; |
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308 | for (int idx=0 ; idx < nSrcLocal; idx++) |
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309 | { |
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310 | if (domainSrc_->localMask(idx)) |
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311 | { |
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312 | for(int n=0;n<nVertexSrc;++n) |
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313 | { |
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314 | boundsLonSrcUnmasked(n,nSrcLocalUnmasked) = boundsLonSrc(n,idx) ; |
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315 | boundsLatSrcUnmasked(n,nSrcLocalUnmasked) = boundsLatSrc(n,idx) ; |
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316 | } |
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317 | globalSrcUnmasked[nSrcLocalUnmasked]=globalSrc[idx] ; |
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318 | ++nSrcLocalUnmasked ; |
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319 | } |
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320 | } |
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321 | |
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322 | |
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323 | int nDstLocalUnmasked = 0 ; |
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324 | for (int idx=0 ; idx < nDstLocal; idx++) if (domainDest_->localMask(idx)) ++nDstLocalUnmasked ; |
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325 | |
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326 | CArray<double,2> boundsLonDestUnmasked(nVertexDest,nDstLocalUnmasked); |
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327 | CArray<double,2> boundsLatDestUnmasked(nVertexDest,nDstLocalUnmasked); |
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328 | long int * globalDstUnmasked = new long int [nDstLocalUnmasked]; |
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329 | |
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330 | nDstLocalUnmasked=0 ; |
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331 | for (int idx=0 ; idx < nDstLocal; idx++) |
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332 | { |
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333 | if (domainDest_->localMask(idx)) |
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334 | { |
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335 | for(int n=0;n<nVertexDest;++n) |
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336 | { |
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337 | boundsLonDestUnmasked(n,nDstLocalUnmasked) = boundsLonDest(n,idx) ; |
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338 | boundsLatDestUnmasked(n,nDstLocalUnmasked) = boundsLatDest(n,idx) ; |
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339 | } |
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340 | globalDstUnmasked[nDstLocalUnmasked]=globalDst[idx] ; |
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341 | ++nDstLocalUnmasked ; |
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342 | } |
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343 | } |
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344 | |
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345 | mapper.setSourceMesh(boundsLonSrcUnmasked.dataFirst(), boundsLatSrcUnmasked.dataFirst(), nVertexSrc, nSrcLocalUnmasked, &srcPole[0], globalSrcUnmasked); |
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346 | mapper.setTargetMesh(boundsLonDestUnmasked.dataFirst(), boundsLatDestUnmasked.dataFirst(), nVertexDest, nDstLocalUnmasked, &dstPole[0], globalDstUnmasked); |
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347 | |
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348 | std::vector<double> timings = mapper.computeWeights(orderInterp,renormalize,quantity); |
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349 | |
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350 | std::map<int,std::vector<std::pair<int,double> > > interpMapValue; |
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351 | std::map<int,std::vector<std::pair<int,double> > >::const_iterator iteNorthPole = interpMapValueNorthPole.end(), |
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352 | iteSouthPole = interpMapValueSouthPole.end(); |
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353 | for (int idx = 0; idx < mapper.nWeights; ++idx) |
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354 | { |
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355 | interpMapValue[mapper.targetWeightId[idx]].push_back(make_pair(mapper.sourceWeightId[idx],mapper.remapMatrix[idx])); |
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356 | if (iteNorthPole != interpMapValueNorthPole.find(mapper.targetWeightId[idx])) |
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357 | { |
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358 | interpMapValueNorthPole[mapper.targetWeightId[idx]].push_back(make_pair(mapper.sourceWeightId[idx],mapper.remapMatrix[idx])); |
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359 | } |
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360 | |
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361 | if (iteSouthPole != interpMapValueSouthPole.find(mapper.targetWeightId[idx])) |
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362 | { |
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363 | interpMapValueSouthPole[mapper.targetWeightId[idx]].push_back(make_pair(mapper.sourceWeightId[idx],mapper.remapMatrix[idx])); |
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364 | } |
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365 | } |
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366 | int niGloDst = domainDest_->ni_glo.getValue(); |
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367 | processPole(interpMapValueNorthPole, niGloDst); |
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368 | processPole(interpMapValueSouthPole, niGloDst); |
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369 | |
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370 | if (!interpMapValueNorthPole.empty()) |
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371 | { |
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372 | std::map<int,std::vector<std::pair<int,double> > >::iterator itNorthPole = interpMapValueNorthPole.begin(); |
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373 | for (; itNorthPole != iteNorthPole; ++itNorthPole) |
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374 | { |
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375 | if (!(itNorthPole->second.empty())) |
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376 | itNorthPole->second.swap(interpMapValue[itNorthPole->first]); |
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377 | } |
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378 | } |
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379 | |
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380 | if (!interpMapValueSouthPole.empty()) |
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381 | { |
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382 | std::map<int,std::vector<std::pair<int,double> > >::iterator itSouthPole = interpMapValueSouthPole.begin(); |
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383 | for (; itSouthPole != iteSouthPole; ++itSouthPole) |
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384 | { |
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385 | if (!(itSouthPole->second.empty())) |
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386 | itSouthPole->second.swap(interpMapValue[itSouthPole->first]); |
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387 | } |
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388 | } |
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389 | |
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390 | if (writeToFile_ && !readFromFile_) writeRemapInfo(interpMapValue); |
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391 | // exchangeRemapInfo(interpMapValue); |
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392 | convertRemapInfo(interpMapValue) ; |
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393 | |
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394 | delete [] globalSrc; |
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395 | delete [] globalSrcUnmasked; |
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396 | delete [] globalDst; |
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397 | delete [] globalDstUnmasked; |
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398 | |
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399 | } |
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400 | |
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401 | void CDomainAlgorithmInterpolate::processPole(std::map<int,std::vector<std::pair<int,double> > >& interMapValuePole, |
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402 | int nbGlobalPointOnPole) |
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403 | { |
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404 | CContext* context = CContext::getCurrent(); |
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405 | CContextClient* client=context->client; |
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406 | |
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407 | MPI_Comm poleComme(MPI_COMM_NULL); |
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408 | MPI_Comm_split(client->intraComm, interMapValuePole.empty() ? MPI_UNDEFINED : 1, 0, &poleComme); |
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409 | if (MPI_COMM_NULL != poleComme) |
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410 | { |
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411 | int nbClientPole; |
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412 | MPI_Comm_size(poleComme, &nbClientPole); |
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413 | |
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414 | std::map<int,std::vector<std::pair<int,double> > >::iterator itePole = interMapValuePole.end(), itPole, |
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415 | itbPole = interMapValuePole.begin(); |
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416 | |
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417 | int nbWeight = 0; |
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418 | for (itPole = itbPole; itPole != itePole; ++itPole) |
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419 | nbWeight += itPole->second.size(); |
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420 | |
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421 | std::vector<int> recvCount(nbClientPole,0); |
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422 | std::vector<int> displ(nbClientPole,0); |
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423 | MPI_Allgather(&nbWeight,1,MPI_INT,&recvCount[0],1,MPI_INT,poleComme) ; |
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424 | |
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425 | displ[0]=0; |
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426 | for(int n=1;n<nbClientPole;++n) displ[n]=displ[n-1]+recvCount[n-1] ; |
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427 | int recvSize=displ[nbClientPole-1]+recvCount[nbClientPole-1] ; |
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428 | |
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429 | std::vector<int> sendSourceIndexBuff(nbWeight); |
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430 | std::vector<double> sendSourceWeightBuff(nbWeight); |
---|
431 | int k = 0; |
---|
432 | for (itPole = itbPole; itPole != itePole; ++itPole) |
---|
433 | { |
---|
434 | for (int idx = 0; idx < itPole->second.size(); ++idx) |
---|
435 | { |
---|
436 | sendSourceIndexBuff[k] = (itPole->second)[idx].first; |
---|
437 | sendSourceWeightBuff[k] = (itPole->second)[idx].second; |
---|
438 | ++k; |
---|
439 | } |
---|
440 | } |
---|
441 | |
---|
442 | std::vector<int> recvSourceIndexBuff(recvSize); |
---|
443 | std::vector<double> recvSourceWeightBuff(recvSize); |
---|
444 | |
---|
445 | // Gather all index and weight for pole |
---|
446 | MPI_Allgatherv(&sendSourceIndexBuff[0],nbWeight,MPI_INT,&recvSourceIndexBuff[0],&recvCount[0],&displ[0],MPI_INT,poleComme); |
---|
447 | MPI_Allgatherv(&sendSourceWeightBuff[0],nbWeight,MPI_DOUBLE,&recvSourceWeightBuff[0],&recvCount[0],&displ[0],MPI_DOUBLE,poleComme); |
---|
448 | |
---|
449 | std::map<int,double> recvTemp; |
---|
450 | for (int idx = 0; idx < recvSize; ++idx) |
---|
451 | { |
---|
452 | if (recvTemp.end() != recvTemp.find(recvSourceIndexBuff[idx])) |
---|
453 | recvTemp[recvSourceIndexBuff[idx]] += recvSourceWeightBuff[idx]/nbGlobalPointOnPole; |
---|
454 | else |
---|
455 | recvTemp[recvSourceIndexBuff[idx]] = 0.0; |
---|
456 | } |
---|
457 | |
---|
458 | std::map<int,double>::const_iterator itRecvTemp, itbRecvTemp = recvTemp.begin(), iteRecvTemp = recvTemp.end(); |
---|
459 | |
---|
460 | for (itPole = itbPole; itPole != itePole; ++itPole) |
---|
461 | { |
---|
462 | itPole->second.clear(); |
---|
463 | for (itRecvTemp = itbRecvTemp; itRecvTemp != iteRecvTemp; ++itRecvTemp) |
---|
464 | itPole->second.push_back(make_pair(itRecvTemp->first, itRecvTemp->second)); |
---|
465 | } |
---|
466 | } |
---|
467 | |
---|
468 | } |
---|
469 | |
---|
470 | /*! |
---|
471 | Compute the index mapping between domain on grid source and one on grid destination |
---|
472 | */ |
---|
473 | void CDomainAlgorithmInterpolate::computeIndexSourceMapping_(const std::vector<CArray<double,1>* >& dataAuxInputs) |
---|
474 | { |
---|
475 | if (readFromFile_ && !writeToFile_) |
---|
476 | readRemapInfo(); |
---|
477 | else |
---|
478 | { |
---|
479 | computeRemap(); |
---|
480 | } |
---|
481 | } |
---|
482 | |
---|
483 | void CDomainAlgorithmInterpolate::writeRemapInfo(std::map<int,std::vector<std::pair<int,double> > >& interpMapValue) |
---|
484 | { |
---|
485 | writeInterpolationInfo(fileToReadWrite_, interpMapValue); |
---|
486 | } |
---|
487 | |
---|
488 | void CDomainAlgorithmInterpolate::readRemapInfo() |
---|
489 | { |
---|
490 | std::map<int,std::vector<std::pair<int,double> > > interpMapValue; |
---|
491 | readInterpolationInfo(fileToReadWrite_, interpMapValue); |
---|
492 | |
---|
493 | exchangeRemapInfo(interpMapValue); |
---|
494 | } |
---|
495 | |
---|
496 | void CDomainAlgorithmInterpolate::convertRemapInfo(std::map<int,std::vector<std::pair<int,double> > >& interpMapValue) |
---|
497 | { |
---|
498 | CContext* context = CContext::getCurrent(); |
---|
499 | CContextClient* client=context->client; |
---|
500 | int clientRank = client->clientRank; |
---|
501 | |
---|
502 | this->transformationMapping_.resize(1); |
---|
503 | this->transformationWeight_.resize(1); |
---|
504 | |
---|
505 | TransformationIndexMap& transMap = this->transformationMapping_[0]; |
---|
506 | TransformationWeightMap& transWeight = this->transformationWeight_[0]; |
---|
507 | |
---|
508 | std::map<int,std::vector<std::pair<int,double> > >::const_iterator itb = interpMapValue.begin(), it, |
---|
509 | ite = interpMapValue.end(); |
---|
510 | |
---|
511 | for (it = itb; it != ite; ++it) |
---|
512 | { |
---|
513 | const std::vector<std::pair<int,double> >& tmp = it->second; |
---|
514 | for (int i = 0; i < tmp.size(); ++i) |
---|
515 | { |
---|
516 | transMap[it->first].push_back(tmp[i].first); |
---|
517 | transWeight[it->first].push_back(tmp[i].second); |
---|
518 | } |
---|
519 | } |
---|
520 | } |
---|
521 | |
---|
522 | /*! |
---|
523 | Read remap information from file then distribute it among clients |
---|
524 | */ |
---|
525 | void CDomainAlgorithmInterpolate::exchangeRemapInfo(std::map<int,std::vector<std::pair<int,double> > >& interpMapValue) |
---|
526 | { |
---|
527 | CContext* context = CContext::getCurrent(); |
---|
528 | CContextClient* client=context->client; |
---|
529 | int clientRank = client->clientRank; |
---|
530 | |
---|
531 | this->transformationMapping_.resize(1); |
---|
532 | this->transformationWeight_.resize(1); |
---|
533 | |
---|
534 | TransformationIndexMap& transMap = this->transformationMapping_[0]; |
---|
535 | TransformationWeightMap& transWeight = this->transformationWeight_[0]; |
---|
536 | |
---|
537 | boost::unordered_map<size_t,int> globalIndexOfDomainDest; |
---|
538 | int ni = domainDest_->ni.getValue(); |
---|
539 | int nj = domainDest_->nj.getValue(); |
---|
540 | int ni_glo = domainDest_->ni_glo.getValue(); |
---|
541 | size_t globalIndex; |
---|
542 | int nIndexSize = domainDest_->i_index.numElements(), i_ind, j_ind; |
---|
543 | for (int idx = 0; idx < nIndexSize; ++idx) |
---|
544 | { |
---|
545 | i_ind=domainDest_->i_index(idx) ; |
---|
546 | j_ind=domainDest_->j_index(idx) ; |
---|
547 | |
---|
548 | globalIndex = i_ind + j_ind * ni_glo; |
---|
549 | globalIndexOfDomainDest[globalIndex] = clientRank; |
---|
550 | } |
---|
551 | |
---|
552 | CClientServerMappingDistributed domainIndexClientClientMapping(globalIndexOfDomainDest, |
---|
553 | client->intraComm, |
---|
554 | true); |
---|
555 | CArray<size_t,1> globalIndexInterp(interpMapValue.size()); |
---|
556 | std::map<int,std::vector<std::pair<int,double> > >::const_iterator itb = interpMapValue.begin(), it, |
---|
557 | ite = interpMapValue.end(); |
---|
558 | size_t globalIndexCount = 0; |
---|
559 | for (it = itb; it != ite; ++it) |
---|
560 | { |
---|
561 | globalIndexInterp(globalIndexCount) = it->first; |
---|
562 | ++globalIndexCount; |
---|
563 | } |
---|
564 | |
---|
565 | domainIndexClientClientMapping.computeServerIndexMapping(globalIndexInterp); |
---|
566 | const CClientServerMapping::GlobalIndexMap& globalIndexInterpSendToClient = domainIndexClientClientMapping.getGlobalIndexOnServer(); |
---|
567 | |
---|
568 | //Inform each client number of index they will receive |
---|
569 | int nbClient = client->clientSize; |
---|
570 | int* sendBuff = new int[nbClient]; |
---|
571 | int* recvBuff = new int[nbClient]; |
---|
572 | for (int i = 0; i < nbClient; ++i) |
---|
573 | { |
---|
574 | sendBuff[i] = 0; |
---|
575 | recvBuff[i] = 0; |
---|
576 | } |
---|
577 | int sendBuffSize = 0; |
---|
578 | CClientServerMapping::GlobalIndexMap::const_iterator itbMap = globalIndexInterpSendToClient.begin(), itMap, |
---|
579 | iteMap = globalIndexInterpSendToClient.end(); |
---|
580 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
---|
581 | { |
---|
582 | const std::vector<size_t>& tmp = itMap->second; |
---|
583 | int sizeIndex = 0, mapSize = (itMap->second).size(); |
---|
584 | for (int idx = 0; idx < mapSize; ++idx) |
---|
585 | { |
---|
586 | // sizeIndex += interpMapValue.at((itMap->second)[idx]).size(); |
---|
587 | sizeIndex += (interpMapValue[(int)(itMap->second)[idx]]).size(); |
---|
588 | } |
---|
589 | sendBuff[itMap->first] = sizeIndex; |
---|
590 | sendBuffSize += sizeIndex; |
---|
591 | } |
---|
592 | |
---|
593 | |
---|
594 | MPI_Allreduce(sendBuff, recvBuff, nbClient, MPI_INT, MPI_SUM, client->intraComm); |
---|
595 | |
---|
596 | int* sendIndexDestBuff = new int [sendBuffSize]; |
---|
597 | int* sendIndexSrcBuff = new int [sendBuffSize]; |
---|
598 | double* sendWeightBuff = new double [sendBuffSize]; |
---|
599 | |
---|
600 | std::vector<MPI_Request> sendRequest; |
---|
601 | |
---|
602 | int sendOffSet = 0, l = 0; |
---|
603 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
---|
604 | { |
---|
605 | const std::vector<size_t>& indexToSend = itMap->second; |
---|
606 | int mapSize = indexToSend.size(); |
---|
607 | int k = 0; |
---|
608 | for (int idx = 0; idx < mapSize; ++idx) |
---|
609 | { |
---|
610 | std::vector<std::pair<int,double> >& interpMap = interpMapValue[(int)indexToSend[idx]]; //interpMapValue.at(indexToSend[idx]); |
---|
611 | for (int i = 0; i < interpMap.size(); ++i) |
---|
612 | { |
---|
613 | sendIndexDestBuff[l] = indexToSend[idx]; |
---|
614 | sendIndexSrcBuff[l] = interpMap[i].first; |
---|
615 | sendWeightBuff[l] = interpMap[i].second; |
---|
616 | ++k; |
---|
617 | ++l; |
---|
618 | } |
---|
619 | } |
---|
620 | |
---|
621 | sendRequest.push_back(MPI_Request()); |
---|
622 | MPI_Isend(sendIndexDestBuff + sendOffSet, |
---|
623 | k, |
---|
624 | MPI_INT, |
---|
625 | itMap->first, |
---|
626 | MPI_DOMAIN_INTERPOLATION_DEST_INDEX, |
---|
627 | client->intraComm, |
---|
628 | &sendRequest.back()); |
---|
629 | sendRequest.push_back(MPI_Request()); |
---|
630 | MPI_Isend(sendIndexSrcBuff + sendOffSet, |
---|
631 | k, |
---|
632 | MPI_INT, |
---|
633 | itMap->first, |
---|
634 | MPI_DOMAIN_INTERPOLATION_SRC_INDEX, |
---|
635 | client->intraComm, |
---|
636 | &sendRequest.back()); |
---|
637 | sendRequest.push_back(MPI_Request()); |
---|
638 | MPI_Isend(sendWeightBuff + sendOffSet, |
---|
639 | k, |
---|
640 | MPI_DOUBLE, |
---|
641 | itMap->first, |
---|
642 | MPI_DOMAIN_INTERPOLATION_WEIGHT, |
---|
643 | client->intraComm, |
---|
644 | &sendRequest.back()); |
---|
645 | sendOffSet += k; |
---|
646 | } |
---|
647 | |
---|
648 | int recvBuffSize = recvBuff[clientRank]; |
---|
649 | int* recvIndexDestBuff = new int [recvBuffSize]; |
---|
650 | int* recvIndexSrcBuff = new int [recvBuffSize]; |
---|
651 | double* recvWeightBuff = new double [recvBuffSize]; |
---|
652 | int receivedSize = 0; |
---|
653 | int clientSrcRank; |
---|
654 | while (receivedSize < recvBuffSize) |
---|
655 | { |
---|
656 | MPI_Status recvStatus; |
---|
657 | MPI_Recv((recvIndexDestBuff + receivedSize), |
---|
658 | recvBuffSize, |
---|
659 | MPI_INT, |
---|
660 | MPI_ANY_SOURCE, |
---|
661 | MPI_DOMAIN_INTERPOLATION_DEST_INDEX, |
---|
662 | client->intraComm, |
---|
663 | &recvStatus); |
---|
664 | |
---|
665 | int countBuff = 0; |
---|
666 | MPI_Get_count(&recvStatus, MPI_INT, &countBuff); |
---|
667 | clientSrcRank = recvStatus.MPI_SOURCE; |
---|
668 | |
---|
669 | MPI_Recv((recvIndexSrcBuff + receivedSize), |
---|
670 | recvBuffSize, |
---|
671 | MPI_INT, |
---|
672 | clientSrcRank, |
---|
673 | MPI_DOMAIN_INTERPOLATION_SRC_INDEX, |
---|
674 | client->intraComm, |
---|
675 | &recvStatus); |
---|
676 | |
---|
677 | MPI_Recv((recvWeightBuff + receivedSize), |
---|
678 | recvBuffSize, |
---|
679 | MPI_DOUBLE, |
---|
680 | clientSrcRank, |
---|
681 | MPI_DOMAIN_INTERPOLATION_WEIGHT, |
---|
682 | client->intraComm, |
---|
683 | &recvStatus); |
---|
684 | |
---|
685 | for (int idx = 0; idx < countBuff; ++idx) |
---|
686 | { |
---|
687 | transMap[*(recvIndexDestBuff + receivedSize + idx)].push_back(*(recvIndexSrcBuff + receivedSize + idx)); |
---|
688 | transWeight[*(recvIndexDestBuff + receivedSize + idx)].push_back(*(recvWeightBuff + receivedSize + idx)); |
---|
689 | } |
---|
690 | receivedSize += countBuff; |
---|
691 | } |
---|
692 | |
---|
693 | std::vector<MPI_Status> requestStatus(sendRequest.size()); |
---|
694 | MPI_Waitall(sendRequest.size(), &sendRequest[0], MPI_STATUS_IGNORE); |
---|
695 | |
---|
696 | delete [] sendIndexDestBuff; |
---|
697 | delete [] sendIndexSrcBuff; |
---|
698 | delete [] sendWeightBuff; |
---|
699 | delete [] recvIndexDestBuff; |
---|
700 | delete [] recvIndexSrcBuff; |
---|
701 | delete [] recvWeightBuff; |
---|
702 | delete [] sendBuff; |
---|
703 | delete [] recvBuff; |
---|
704 | } |
---|
705 | |
---|
706 | /*! Redefined some functions of CONetCDF4 to make use of them */ |
---|
707 | CDomainAlgorithmInterpolate::WriteNetCdf::WriteNetCdf(const StdString& filename, const MPI_Comm comm) |
---|
708 | : CNc4DataOutput(NULL, filename, false, false, true, comm, false, true) {} |
---|
709 | int CDomainAlgorithmInterpolate::WriteNetCdf::addDimensionWrite(const StdString& name, |
---|
710 | const StdSize size) |
---|
711 | { |
---|
712 | return CONetCDF4::addDimension(name, size); |
---|
713 | } |
---|
714 | |
---|
715 | int CDomainAlgorithmInterpolate::WriteNetCdf::addVariableWrite(const StdString& name, nc_type type, |
---|
716 | const std::vector<StdString>& dim) |
---|
717 | { |
---|
718 | return CONetCDF4::addVariable(name, type, dim); |
---|
719 | } |
---|
720 | |
---|
721 | void CDomainAlgorithmInterpolate::WriteNetCdf::endDefinition() |
---|
722 | { |
---|
723 | CONetCDF4::definition_end(); |
---|
724 | } |
---|
725 | |
---|
726 | void CDomainAlgorithmInterpolate::WriteNetCdf::writeDataIndex(const CArray<int,1>& data, const StdString& name, |
---|
727 | bool collective, StdSize record, |
---|
728 | const std::vector<StdSize>* start, |
---|
729 | const std::vector<StdSize>* count) |
---|
730 | { |
---|
731 | CONetCDF4::writeData<int,1>(data, name, collective, record, start, count); |
---|
732 | } |
---|
733 | |
---|
734 | void CDomainAlgorithmInterpolate::WriteNetCdf::writeDataIndex(const CArray<double,1>& data, const StdString& name, |
---|
735 | bool collective, StdSize record, |
---|
736 | const std::vector<StdSize>* start, |
---|
737 | const std::vector<StdSize>* count) |
---|
738 | { |
---|
739 | CONetCDF4::writeData<double,1>(data, name, collective, record, start, count); |
---|
740 | } |
---|
741 | |
---|
742 | /* |
---|
743 | Write interpolation weights into a file |
---|
744 | \param [in] filename name of output file |
---|
745 | \param interpMapValue mapping of global index of domain destination and domain source as well as the corresponding weight |
---|
746 | */ |
---|
747 | void CDomainAlgorithmInterpolate::writeInterpolationInfo(std::string& filename, |
---|
748 | std::map<int,std::vector<std::pair<int,double> > >& interpMapValue) |
---|
749 | { |
---|
750 | CContext* context = CContext::getCurrent(); |
---|
751 | CContextClient* client=context->client; |
---|
752 | |
---|
753 | size_t n_src = domainSrc_->ni_glo * domainSrc_->nj_glo; |
---|
754 | size_t n_dst = domainDest_->ni_glo * domainDest_->nj_glo; |
---|
755 | |
---|
756 | long localNbWeight = 0; |
---|
757 | long globalNbWeight; |
---|
758 | long startIndex; |
---|
759 | typedef std::map<int,std::vector<std::pair<int,double> > > IndexRemap; |
---|
760 | IndexRemap::iterator itb = interpMapValue.begin(), it, |
---|
761 | ite = interpMapValue.end(); |
---|
762 | for (it = itb; it!=ite; ++it) |
---|
763 | { |
---|
764 | localNbWeight += (it->second).size(); |
---|
765 | } |
---|
766 | |
---|
767 | CArray<int,1> src_idx(localNbWeight); |
---|
768 | CArray<int,1> dst_idx(localNbWeight); |
---|
769 | CArray<double,1> weights(localNbWeight); |
---|
770 | |
---|
771 | int index = 0; |
---|
772 | for (it = itb; it !=ite; ++it) |
---|
773 | { |
---|
774 | std::vector<std::pair<int,double> >& tmp = it->second; |
---|
775 | for (int idx = 0; idx < tmp.size(); ++idx) |
---|
776 | { |
---|
777 | dst_idx(index) = it->first + 1; |
---|
778 | src_idx(index) = tmp[idx].first + 1; |
---|
779 | weights(index) = tmp[idx].second; |
---|
780 | ++index; |
---|
781 | } |
---|
782 | } |
---|
783 | |
---|
784 | MPI_Allreduce(&localNbWeight, &globalNbWeight, 1, MPI_LONG, MPI_SUM, client->intraComm); |
---|
785 | MPI_Scan(&localNbWeight, &startIndex, 1, MPI_LONG, MPI_SUM, client->intraComm); |
---|
786 | |
---|
787 | if (0 == globalNbWeight) |
---|
788 | { |
---|
789 | info << "There is no interpolation weights calculated between " |
---|
790 | << "domain source: " << domainSrc_->getDomainOutputName() |
---|
791 | << " and domain destination: " << domainDest_->getDomainOutputName() |
---|
792 | << std::endl; |
---|
793 | return; |
---|
794 | } |
---|
795 | |
---|
796 | std::vector<StdSize> start(1, startIndex - localNbWeight); |
---|
797 | std::vector<StdSize> count(1, localNbWeight); |
---|
798 | |
---|
799 | WriteNetCdf netCdfWriter(filename, client->intraComm); |
---|
800 | |
---|
801 | // Define some dimensions |
---|
802 | netCdfWriter.addDimensionWrite("n_src", n_src); |
---|
803 | netCdfWriter.addDimensionWrite("n_dst", n_dst); |
---|
804 | netCdfWriter.addDimensionWrite("n_weight", globalNbWeight); |
---|
805 | |
---|
806 | std::vector<StdString> dims(1,"n_weight"); |
---|
807 | |
---|
808 | // Add some variables |
---|
809 | netCdfWriter.addVariableWrite("src_idx", NC_INT, dims); |
---|
810 | netCdfWriter.addVariableWrite("dst_idx", NC_INT, dims); |
---|
811 | netCdfWriter.addVariableWrite("weight", NC_DOUBLE, dims); |
---|
812 | |
---|
813 | // End of definition |
---|
814 | netCdfWriter.endDefinition(); |
---|
815 | |
---|
816 | // // Write variables |
---|
817 | if (0 != localNbWeight) |
---|
818 | { |
---|
819 | netCdfWriter.writeDataIndex(src_idx, "src_idx", false, 0, &start, &count); |
---|
820 | netCdfWriter.writeDataIndex(dst_idx, "dst_idx", false, 0, &start, &count); |
---|
821 | netCdfWriter.writeDataIndex(weights, "weight", false, 0, &start, &count); |
---|
822 | } |
---|
823 | |
---|
824 | netCdfWriter.closeFile(); |
---|
825 | } |
---|
826 | |
---|
827 | /*! |
---|
828 | Read interpolation information from a file |
---|
829 | \param [in] filename interpolation file |
---|
830 | \param [in/out] interpMapValue Mapping between (global) index of domain on grid destination and |
---|
831 | corresponding global index of domain and associated weight value on grid source |
---|
832 | */ |
---|
833 | void CDomainAlgorithmInterpolate::readInterpolationInfo(std::string& filename, |
---|
834 | std::map<int,std::vector<std::pair<int,double> > >& interpMapValue) |
---|
835 | { |
---|
836 | int ncid ; |
---|
837 | int weightDimId ; |
---|
838 | size_t nbWeightGlo ; |
---|
839 | |
---|
840 | CContext* context = CContext::getCurrent(); |
---|
841 | CContextClient* client=context->client; |
---|
842 | int clientRank = client->clientRank; |
---|
843 | int clientSize = client->clientSize; |
---|
844 | |
---|
845 | nc_open(filename.c_str(),NC_NOWRITE, &ncid) ; |
---|
846 | nc_inq_dimid(ncid,"n_weight",&weightDimId) ; |
---|
847 | nc_inq_dimlen(ncid,weightDimId,&nbWeightGlo) ; |
---|
848 | |
---|
849 | size_t nbWeight ; |
---|
850 | size_t start ; |
---|
851 | size_t div = nbWeightGlo/clientSize ; |
---|
852 | size_t mod = nbWeightGlo%clientSize ; |
---|
853 | if (clientRank < mod) |
---|
854 | { |
---|
855 | nbWeight=div+1 ; |
---|
856 | start=clientRank*(div+1) ; |
---|
857 | } |
---|
858 | else |
---|
859 | { |
---|
860 | nbWeight=div ; |
---|
861 | start= mod * (div+1) + (clientRank-mod) * div ; |
---|
862 | } |
---|
863 | |
---|
864 | double* weight=new double[nbWeight] ; |
---|
865 | int weightId ; |
---|
866 | nc_inq_varid (ncid, "weight", &weightId) ; |
---|
867 | nc_get_vara_double(ncid, weightId, &start, &nbWeight, weight) ; |
---|
868 | |
---|
869 | long* srcIndex=new long[nbWeight] ; |
---|
870 | int srcIndexId ; |
---|
871 | nc_inq_varid (ncid, "src_idx", &srcIndexId) ; |
---|
872 | nc_get_vara_long(ncid, srcIndexId, &start, &nbWeight, srcIndex) ; |
---|
873 | |
---|
874 | long* dstIndex=new long[nbWeight] ; |
---|
875 | int dstIndexId ; |
---|
876 | nc_inq_varid (ncid, "dst_idx", &dstIndexId) ; |
---|
877 | nc_get_vara_long(ncid, dstIndexId, &start, &nbWeight, dstIndex) ; |
---|
878 | |
---|
879 | for(size_t ind=0; ind<nbWeight;++ind) |
---|
880 | interpMapValue[dstIndex[ind]-1].push_back(make_pair(srcIndex[ind]-1,weight[ind])); |
---|
881 | } |
---|
882 | |
---|
883 | } |
---|