[1918] | 1 | /*! |
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| 2 | \file client_server_mapping.hpp |
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| 3 | \author Ha NGUYEN |
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| 4 | \since 27 Feb 2015 |
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| 5 | \date 16 Mars 2016 |
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| 6 | |
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| 7 | \brief Mapping between index client and server. |
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| 8 | Clients pre-calculate all information of server distribution. |
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| 9 | */ |
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| 10 | #include "client_server_mapping_distributed.hpp" |
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| 11 | #include <limits> |
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| 12 | #include <boost/functional/hash.hpp> |
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| 13 | #include "utils.hpp" |
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| 14 | #include "mpi_tag.hpp" |
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| 15 | #include "context.hpp" |
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| 16 | #include "context_client.hpp" |
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| 17 | |
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| 18 | namespace xios |
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| 19 | { |
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| 20 | |
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| 21 | CClientServerMappingDistributed::CClientServerMappingDistributed(const std::unordered_map<size_t,int>& globalIndexOfServer, |
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| 22 | const MPI_Comm& clientIntraComm, bool isDataDistributed) |
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| 23 | : CClientServerMapping(), ccDHT_(0) |
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| 24 | { |
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| 25 | ccDHT_ = new CClientClientDHTInt(globalIndexOfServer, |
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| 26 | clientIntraComm); |
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| 27 | } |
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| 28 | |
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| 29 | CClientServerMappingDistributed::~CClientServerMappingDistributed() |
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| 30 | { |
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| 31 | if (0 != ccDHT_) delete ccDHT_; |
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| 32 | } |
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| 33 | |
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| 34 | /*! |
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| 35 | Compute mapping global index of server which client sends to. |
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| 36 | \param [in] globalIndexOnClient global index client has |
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| 37 | \param [in] nbServer size of server's intracomm |
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| 38 | */ |
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| 39 | void CClientServerMappingDistributed::computeServerIndexMapping(const CArray<size_t,1>& globalIndexOnClient, int nbServer) |
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| 40 | { |
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| 41 | |
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| 42 | ccDHT_->computeIndexInfoMapping(globalIndexOnClient); |
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| 43 | const CClientClientDHTInt::Index2VectorInfoTypeMap& infoIndexMap = (ccDHT_->getInfoIndexMap()); |
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| 44 | CClientClientDHTInt::Index2VectorInfoTypeMap::const_iterator itb = infoIndexMap.begin(), ite = infoIndexMap.end(), it; |
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| 45 | std::vector<size_t> nbInfoIndex(std::max(ccDHT_->getNbClient(),nbServer),0); |
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| 46 | |
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| 47 | for (it = itb; it != ite; ++it) |
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| 48 | { |
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| 49 | ++nbInfoIndex[it->second[0]]; |
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| 50 | } |
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| 51 | |
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| 52 | for (int idx = 0; idx < nbInfoIndex.size(); ++idx) |
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| 53 | { |
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| 54 | if (0 != nbInfoIndex[idx]) |
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| 55 | { |
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| 56 | indexGlobalOnServer_[idx].resize(nbInfoIndex[idx]); |
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| 57 | nbInfoIndex[idx] = 0; |
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| 58 | } |
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| 59 | } |
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| 60 | |
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| 61 | for (it = itb; it != ite; ++it) |
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| 62 | { |
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| 63 | indexGlobalOnServer_[it->second[0]][nbInfoIndex[it->second[0]]] = (it->first); |
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| 64 | ++nbInfoIndex[it->second[0]]; |
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| 65 | } |
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| 66 | } |
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| 67 | |
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| 68 | } |
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