Last change
on this file since 2332 was
1639,
checked in by yushan, 6 years ago
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revert erroneous commit on trunk
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File size:
1.5 KB
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[721] | 1 | /*! |
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| 2 | \file policy.hpp |
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| 3 | \author Ha NGUYEN |
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| 4 | \since 06 Oct 2015 |
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| 5 | \date 06 Oct 2015 |
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| 6 | |
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| 7 | \brief Some useful policies for templated classes |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef __XIOS_POLICY_HPP__ |
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| 11 | #define __XIOS_POLICY_HPP__ |
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| 12 | |
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| 13 | #include <vector> |
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| 14 | #include "mpi.hpp" |
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| 15 | |
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| 16 | namespace xios |
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| 17 | { |
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[855] | 18 | //class DivideCommByTwo |
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| 19 | //{ |
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| 20 | //protected: |
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| 21 | // void computeMPICommLevel(const MPI_Comm& mpiCommRoot, int levels); |
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| 22 | // |
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| 23 | //protected: |
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| 24 | // std::vector<MPI_Comm> commLevel_; |
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| 25 | //private: |
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| 26 | // // Divide MPI communicator on each level recursively |
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| 27 | // void divideMPICommLevel(const MPI_Comm& mpiCommLevel, int level); |
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| 28 | //}; |
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[721] | 29 | |
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[833] | 30 | class DivideAdaptiveComm |
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| 31 | { |
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| 32 | protected: |
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[1639] | 33 | DivideAdaptiveComm(const MPI_Comm& mpiComm); |
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[833] | 34 | |
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| 35 | void computeMPICommLevel(); |
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| 36 | const std::vector<int>& getGroupBegin() { return groupBegin_; } |
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| 37 | const std::vector<int>& getNbInGroup() { return nbInGroup_; } |
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| 38 | const std::vector<std::vector<int> >& getGroupParentsBegin() { return groupParentsBegin_; } |
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| 39 | const std::vector<std::vector<int> >& getNbInGroupParents() { return nbInGroupParents_; } |
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| 40 | int getNbLevel() { return level_; } |
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| 41 | |
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| 42 | protected: |
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[1639] | 43 | const MPI_Comm& internalComm_; |
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[833] | 44 | std::vector<std::vector<int> > groupParentsBegin_; |
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| 45 | std::vector<std::vector<int> > nbInGroupParents_; |
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| 46 | |
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| 47 | int level_; |
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| 48 | std::vector<int> groupBegin_; //! Rank beginning of a group |
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| 49 | std::vector<int> nbInGroup_; //! Number of process in each group |
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| 50 | bool computed_; |
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| 51 | // std::vector<std::vector<int> > child_; /*!< List of child rank for each level */ |
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| 52 | // std::vector<int> nbChild_; /*!< Number of child for each level */ |
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| 53 | }; |
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| 54 | |
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[721] | 55 | } |
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| 56 | |
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| 57 | #endif // __XIOS_POLICY_HPP__ |
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