[631] | 1 | /*! |
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| 2 | \file domain_algorithm_transformation.hpp |
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| 3 | \author Ha NGUYEN |
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| 4 | \since 02 Jul 2015 |
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| 5 | \date 02 Jul 2015 |
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| 6 | |
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| 7 | \brief Interface for all domain transformation algorithms. |
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| 8 | */ |
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| 9 | |
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| 10 | #include "domain_algorithm_transformation.hpp" |
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[862] | 11 | #include "context.hpp" |
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| 12 | #include "context_client.hpp" |
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| 13 | #include "client_client_dht_template.hpp" |
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[631] | 14 | |
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| 15 | namespace xios { |
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| 16 | |
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| 17 | CDomainAlgorithmTransformation::CDomainAlgorithmTransformation(CDomain* domainDestination, CDomain* domainSource) |
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| 18 | : CGenericAlgorithmTransformation(), domainDest_(domainDestination), domainSrc_(domainSource) |
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| 19 | { |
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| 20 | } |
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| 21 | |
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| 22 | CDomainAlgorithmTransformation::~CDomainAlgorithmTransformation() |
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| 23 | { |
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| 24 | } |
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| 25 | |
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[827] | 26 | void CDomainAlgorithmTransformation::computeIndexSourceMapping_(const std::vector<CArray<double,1>* >& dataAuxInputs) |
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[631] | 27 | { |
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| 28 | } |
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| 29 | |
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[862] | 30 | void CDomainAlgorithmTransformation::computeExchangeGlobalIndex(const CArray<size_t,1>& globalDomainIndex, |
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| 31 | boost::unordered_map<int,std::vector<size_t> >& globalDomainIndexOnProc) |
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| 32 | { |
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| 33 | CContext* context = CContext::getCurrent(); |
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| 34 | CContextClient* client=context->client; |
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| 35 | int clientRank = client->clientRank; |
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| 36 | int clientSize = client->clientSize; |
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| 37 | |
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| 38 | int niGlob = domainSrc_->ni_glo.getValue(); |
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| 39 | int njGlob = domainSrc_->nj_glo.getValue(); |
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| 40 | size_t globalIndex; |
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| 41 | int nIndexSize = domainSrc_->i_index.numElements(), i_ind, j_ind; |
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| 42 | CClientClientDHTInt::Index2VectorInfoTypeMap globalIndex2ProcRank; |
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| 43 | globalIndex2ProcRank.rehash(std::ceil(nIndexSize/globalIndex2ProcRank.max_load_factor())); |
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| 44 | for (int idx = 0; idx < nIndexSize; ++idx) |
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| 45 | { |
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| 46 | i_ind=domainSrc_->i_index(idx) ; |
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| 47 | j_ind=domainSrc_->j_index(idx) ; |
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| 48 | |
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| 49 | globalIndex = i_ind + j_ind * niGlob; |
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| 50 | globalIndex2ProcRank[globalIndex].push_back(clientRank); |
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| 51 | } |
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| 52 | |
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| 53 | CClientClientDHTInt dhtIndexProcRank(globalIndex2ProcRank, client->intraComm); |
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| 54 | dhtIndexProcRank.computeIndexInfoMapping(globalDomainIndex); |
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| 55 | |
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| 56 | std::vector<int> countIndex(clientSize,0); |
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| 57 | const CClientClientDHTInt::Index2VectorInfoTypeMap& computedGlobalIndexOnProc = dhtIndexProcRank.getInfoIndexMap(); |
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| 58 | CClientClientDHTInt::Index2VectorInfoTypeMap::const_iterator itb = computedGlobalIndexOnProc.begin(), it, |
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| 59 | ite = computedGlobalIndexOnProc.end(); |
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| 60 | for (it = itb; it != ite; ++it) |
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| 61 | { |
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| 62 | const std::vector<int>& procList = it->second; |
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| 63 | for (int idx = 0; idx < procList.size(); ++idx) ++countIndex[procList[idx]]; |
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| 64 | } |
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| 65 | |
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| 66 | globalDomainIndexOnProc.rehash(std::ceil(clientSize/globalDomainIndexOnProc.max_load_factor())); |
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| 67 | for (int idx = 0; idx < clientSize; ++idx) |
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| 68 | { |
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| 69 | if (0 != countIndex[idx]) |
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| 70 | { |
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| 71 | globalDomainIndexOnProc[idx].resize(countIndex[idx]); |
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| 72 | countIndex[idx] = 0; |
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| 73 | } |
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| 74 | } |
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| 75 | |
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| 76 | for (it = itb; it != ite; ++it) |
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| 77 | { |
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| 78 | const std::vector<int>& procList = it->second; |
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| 79 | for (int idx = 0; idx < procList.size(); ++idx) |
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| 80 | { |
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| 81 | globalDomainIndexOnProc[procList[idx]][countIndex[procList[idx]]] = it->first; |
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| 82 | ++countIndex[procList[idx]]; |
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| 83 | } |
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| 84 | } |
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| 85 | } |
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| 86 | |
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[631] | 87 | /*! |
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| 88 | Compute an array of global index from a global index on a domain |
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| 89 | \param[in] domainDestGlobalIndex global index on an domain of destination grid |
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| 90 | \param[in] domainSrcGlobalIndex global index on an domain of source grid (which are needed by one index on domain destination) |
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| 91 | \param[in] domainPositionInGrid position of the domain in the grid |
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| 92 | \param[in] gridDestGlobalDim dimension size of destination grid (it should share the same size for all dimension, maybe except the domain on which transformation is performed) |
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| 93 | \param[in] gridSrcGlobalDim dimension size of source grid (it should share the same size for all dimension, maybe except the domain on which transformation is performed) |
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[668] | 94 | \param[in] globalIndexGridDestSendToServer global index of destination grid which are to be sent to server(s), this array is already acsending sorted |
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[631] | 95 | \param[in/out] globalIndexDestGrid array of global index (for 2d grid, this array is a line, for 3d, this array represents a plan). It should be preallocated |
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| 96 | \param[in/out] globalIndexSrcGrid array of global index of source grid (for 2d grid, this array is a line, for 3d, this array represents a plan). It should be preallocated |
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| 97 | */ |
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| 98 | void CDomainAlgorithmTransformation::computeGlobalGridIndexFromGlobalIndexElement(int domainDestGlobalIndex, |
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| 99 | const std::vector<int>& domainSrcGlobalIndex, |
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[827] | 100 | const std::vector<int>& destGlobalIndexPositionInGrid, |
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[631] | 101 | int domainPositionInGrid, |
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| 102 | const std::vector<int>& gridDestGlobalDim, |
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| 103 | const std::vector<int>& gridSrcGlobalDim, |
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[829] | 104 | const GlobalLocalMap& globalLocalIndexDestSendToServerMap, |
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| 105 | std::vector<std::pair<size_t,int> >& globalLocalIndexDestMap, |
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[631] | 106 | std::vector<std::vector<size_t> >& globalIndexSrcGrid) |
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| 107 | { |
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| 108 | int globalDim = gridDestGlobalDim.size(); |
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| 109 | int numElement = globalDim - 1; |
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| 110 | int domainElementPosition = 0; |
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| 111 | std::vector<int> currentIndex(globalDim); |
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| 112 | std::vector<int> gridDomainGlobalDim(numElement), indexMap(numElement); |
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| 113 | std::vector<int> idxLoop(numElement, 0), domainSrcGlobalDim(2), domainDestGlobalDim(2); |
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| 114 | |
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| 115 | |
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| 116 | size_t ssize = 1, idx = 0, realGlobalIndexSize = 0; |
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| 117 | for (int i = 0; i< globalDim; ++i) |
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| 118 | { |
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| 119 | if (domainPositionInGrid == i) continue; |
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| 120 | if (domainPositionInGrid == (i+1)) |
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| 121 | { |
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| 122 | domainDestGlobalDim[0] = gridDestGlobalDim[i]; |
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| 123 | domainDestGlobalDim[1] = gridDestGlobalDim[i+1]; |
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| 124 | domainSrcGlobalDim[0] = gridSrcGlobalDim[i]; |
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| 125 | domainSrcGlobalDim[1] = gridSrcGlobalDim[i+1]; |
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| 126 | gridDomainGlobalDim[idx] = 1; |
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| 127 | domainElementPosition = idx; |
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| 128 | } |
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| 129 | else |
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| 130 | { |
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| 131 | gridDomainGlobalDim[idx] = gridDestGlobalDim[i]; |
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| 132 | } |
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| 133 | indexMap[idx] = i; |
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| 134 | ++idx; |
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| 135 | } |
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[663] | 136 | int iIndex = domainDestGlobalIndex % domainDestGlobalDim[0]; |
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[631] | 137 | int jIndex = domainDestGlobalIndex / domainDestGlobalDim[0]; |
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| 138 | |
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| 139 | for (int i = 0; i< numElement; ++i) ssize *= gridDomainGlobalDim[i]; |
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| 140 | |
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[829] | 141 | GlobalLocalMap::const_iterator iteArr = globalLocalIndexDestSendToServerMap.end(), it; |
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| 142 | |
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[631] | 143 | idx = 0; |
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| 144 | while (idx < ssize) |
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| 145 | { |
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| 146 | for (int i = 0; i < numElement; ++i) |
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| 147 | { |
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| 148 | if (idxLoop[i] == gridDomainGlobalDim[i]) |
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| 149 | { |
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| 150 | idxLoop[i] = 0; |
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| 151 | ++idxLoop[i+1]; |
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| 152 | } |
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| 153 | } |
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| 154 | |
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| 155 | for (int i = 0; i < numElement; ++i) |
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| 156 | { |
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| 157 | if (domainElementPosition == i) |
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| 158 | { |
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| 159 | currentIndex[indexMap[i]] = iIndex; |
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| 160 | currentIndex[indexMap[i]+1] = jIndex; |
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| 161 | } |
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| 162 | else |
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| 163 | currentIndex[indexMap[i]] = idxLoop[i]; |
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| 164 | } |
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| 165 | |
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| 166 | size_t globIndex = currentIndex[0]; |
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| 167 | size_t mulDim = 1; |
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| 168 | for (int k = 1; k < globalDim; ++k) |
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| 169 | { |
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| 170 | mulDim *= gridDestGlobalDim[k-1]; |
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| 171 | globIndex += (currentIndex[k])*mulDim; |
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| 172 | } |
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| 173 | |
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[829] | 174 | if (iteArr != globalLocalIndexDestSendToServerMap.find(globIndex)) ++realGlobalIndexSize; |
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[631] | 175 | ++idxLoop[0]; |
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| 176 | ++idx; |
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| 177 | } |
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| 178 | |
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[829] | 179 | if (globalLocalIndexDestMap.size() != realGlobalIndexSize) |
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| 180 | globalLocalIndexDestMap.resize(realGlobalIndexSize); |
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[631] | 181 | |
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| 182 | if (realGlobalIndexSize != globalIndexSrcGrid.size()) globalIndexSrcGrid.resize(realGlobalIndexSize); |
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| 183 | for (int i = 0; i < globalIndexSrcGrid.size(); ++i) |
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| 184 | if (globalIndexSrcGrid[i].size() != domainSrcGlobalIndex.size()) |
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| 185 | globalIndexSrcGrid[i].resize(domainSrcGlobalIndex.size()); |
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| 186 | |
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| 187 | size_t realGlobalIndex = 0; |
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| 188 | idx = 0; |
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| 189 | idxLoop.assign(globalDim, 0); |
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| 190 | while (idx < ssize) |
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| 191 | { |
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| 192 | for (int i = 0; i < numElement; ++i) |
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| 193 | { |
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| 194 | if (idxLoop[i] == gridDomainGlobalDim[i]) |
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| 195 | { |
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| 196 | idxLoop[i] = 0; |
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| 197 | ++idxLoop[i+1]; |
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| 198 | } |
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| 199 | } |
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| 200 | |
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| 201 | for (int i = 0; i < numElement; ++i) |
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| 202 | { |
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| 203 | if (domainElementPosition == i) |
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| 204 | { |
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| 205 | currentIndex[indexMap[i]] = iIndex; |
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| 206 | currentIndex[indexMap[i]+1] = jIndex; |
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| 207 | } |
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| 208 | else |
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| 209 | currentIndex[indexMap[i]] = idxLoop[i]; |
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| 210 | } |
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| 211 | |
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| 212 | size_t globIndex = currentIndex[0]; |
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| 213 | size_t mulDim = 1; |
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| 214 | for (int k = 1; k < globalDim; ++k) |
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| 215 | { |
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| 216 | mulDim *= gridDestGlobalDim[k-1]; |
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| 217 | globIndex += (currentIndex[k])*mulDim; |
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| 218 | } |
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| 219 | |
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[829] | 220 | it = globalLocalIndexDestSendToServerMap.find(globIndex); |
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| 221 | if (iteArr != it) |
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[631] | 222 | { |
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[829] | 223 | globalLocalIndexDestMap[realGlobalIndex] = (std::make_pair(it->first,it->second)); |
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[631] | 224 | for (int i = 0; i < globalIndexSrcGrid[realGlobalIndex].size(); ++i) |
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| 225 | { |
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| 226 | domainGlobalIndex(domainSrcGlobalIndex[i], domainSrcGlobalDim[0], domainSrcGlobalDim[1], |
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| 227 | currentIndex[indexMap[domainElementPosition]], |
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| 228 | currentIndex[indexMap[domainElementPosition]+1]); |
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| 229 | |
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| 230 | globIndex = currentIndex[0]; |
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| 231 | mulDim = 1; |
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| 232 | for (int k = 1; k < globalDim; ++k) |
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| 233 | { |
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[657] | 234 | mulDim *= gridSrcGlobalDim[k-1]; |
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[631] | 235 | globIndex += (currentIndex[k])*mulDim; |
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| 236 | } |
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| 237 | (globalIndexSrcGrid[realGlobalIndex])[i] = globIndex; |
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| 238 | } |
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| 239 | ++realGlobalIndex; |
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| 240 | } |
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| 241 | |
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| 242 | ++idxLoop[0]; |
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| 243 | ++idx; |
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| 244 | } |
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| 245 | } |
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| 246 | |
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| 247 | void CDomainAlgorithmTransformation::domainGlobalIndex(const int& index, const int& niGlob, const int& njGlob, |
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| 248 | int& iIndex, int& jIndex) |
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| 249 | { |
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[663] | 250 | iIndex = index % niGlob; |
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[631] | 251 | jIndex = index / niGlob; |
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| 252 | } |
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| 253 | } |
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