source: XIOS/trunk/src/distribution_client.hpp @ 668

Last change on this file since 668 was 668, checked in by mhnguyen, 6 years ago

Implementing some code factoring

+) Replace some slow searching function by faster ones

Test
+) On Curie
+) test_client and test_complete are correct

File size: 5.8 KB
Line 
1/*!
2   \file distribution_client.hpp
3   \author Ha NGUYEN
4   \since 13 Jan 2015
5   \date 09 Mars 2015
6
7   \brief Index distribution on client side.
8 */
9#ifndef __XIOS_DISTRIBUTIONCLIENT_HPP__
10#define __XIOS_DISTRIBUTIONCLIENT_HPP__
11
12#include <distribution.hpp>
13#include "axis.hpp"
14#include "domain.hpp"
15#include "grid.hpp"
16
17namespace xios {
18
19class CGrid;
20class CDomain;
21class CAxis;
22
23/*!
24  \class CDistributionClient
25  This class bases on the knowledge of distribution on client side (decided by users)
26to calculate the global index of its local data.
27*/
28class CDistributionClient : public CDistribution
29{
30  public:
31    /** Default constructor */
32    CDistributionClient(int rank, int dims, const CArray<size_t,1>& globalIndex = CArray<size_t,1>());
33    CDistributionClient(int rank, CGrid* grid);
34
35    /** Default destructor */
36    virtual ~CDistributionClient();
37
38    virtual const std::vector<int>& getLocalDataIndexOnClient() const;
39    virtual const std::vector<int>& getLocalDataIndexSendToServer() const;
40    const std::vector<size_t>& getGlobalDataIndexSendToServer() const;
41    const std::vector<int>& getLocalMaskIndexOnClient() const;
42
43    std::vector<int> getNGlob() { return nGlob_; }
44    std::vector<int> getDataNIndex() { return dataNIndex_; }
45
46    bool isDataDistributed() { return isDataDistributed_; }
47
48  protected:
49    void createGlobalIndex();
50    void createGlobalIndexSendToServer();
51    void readDistributionInfo(CGrid* grid);
52    void readDistributionInfo(const std::vector<CDomain*>& domList,
53                              const std::vector<CAxis*>& axisList,
54                              const CArray<bool,1>& axisDomainOrder);
55    void readDomainIndex(const std::vector<CDomain*>& domList);
56    void readAxisIndex(const std::vector<CAxis*>& axisList);
57  private:
58    //! Create local index of a domain
59    void createLocalDomainDataIndex();
60
61    //! Create local index of an axis
62    void createLocalAxisDataIndex();
63
64    inline int getDomainIndex(const int& dataIIndex, const int& dataJIndex,
65                              const int& dataIBegin, const int& dataJBegin,
66                              const int& dataDim, const int& ni, int& j);
67    inline int getAxisIndex(const int& dataIndex, const int& dataBegin, const int& ni);
68
69    template<int N>
70    void readGridMaskInfo(const CArray<bool,N>& gridMask);
71
72  private:
73    //!< LocalData index on client
74    std::vector<size_t> globalDataSendToServer_;
75    std::vector<int> localDataIndex_;
76    std::vector<int> localDataIndexSendToServer_;
77    std::vector<int> localMaskIndex_;
78
79  private:
80    /*! Domains and axis are considered elements.
81     * A grid composed of 1 domain and 1 axis has 2 elements */
82    int numElement_;
83    CArray<bool,1> axisDomainOrder_; //!< Order of axis and domain of a grid
84
85    std::vector<int> nLocal_; //!< Local size of each dimension (ni, nj, etc, ...)
86    std::vector<int> nGlob_; //!< Global size of each dimension (e.x: ni_glo, nj_glo, etc, ...)
87    std::vector<int> nBeginLocal_;//!< Begin index of each dimension (e.x: for domain, it's always 0, for axis, it's zoom_begin, ...)
88    std::vector<int> nBeginGlobal_; //!< Begin index of each dimension (e.x: ibegin, jbegin, ...)
89    std::vector<int> nZoomBegin_; //!< Begin index of zoom of each dimension
90    std::vector<int> nZoomEnd_; //!< End index of zoom of each dimension
91    std::vector<std::vector<CArray<int,1> > > nIndexDomain_; //!< Local index of each domain dimension (e.x: i_index, j_index)
92    std::vector<CArray<int,1> > nIndexAxis_;
93
94    // Data_n_index of domain or axis (For now, axis uses its size as data_n_index
95    std::vector<int> dataNIndex_; //!< Data_n_index in case of domain
96    std::vector<int> dataDims_; //!< Data_dim, domain can have data_dim == 1 or 2
97    std::vector<int> dataBegin_; //!< Data begin (data_ibegin, data_jbegin, etc)
98    std::vector<CArray<int,1> > dataIndex_; //!< Data index
99
100    std::vector<CArray<bool,1> > domainMasks_; //!< Domain mask
101    std::vector<CArray<bool,1> > axisMasks_; //!< Axis mask
102
103    std::vector<std::vector<int> > localDomainIndex_;
104    std::vector<std::vector<int> > localAxisIndex_;
105    std::vector<int> indexMap_; //!< Mapping element index to dimension index
106
107    // The correct index of a domain has true value, the ghost one has false value
108    std::vector<std::vector<bool> > indexDomainData_;
109    std::vector<std::vector<bool> > indexAxisData_;
110
111    //!< (Only for grid with one axis or scalar)Flag to determine whether data is distributed or not
112    bool isDataDistributed_;
113    int axisNum_;
114    int domainNum_;
115
116  private:
117    // Just suppose that grid mask has 3 dimension. Need change
118    CArray<bool,1> gridMask_; //!< Mask of grid
119
120  private:
121    CDistributionClient(const CDistributionClient& distClient); //! Not implement
122};
123
124/*!
125  A grid can have multiple dimension, so can its mask in the form of multi-dimension array.
126It's not a good idea to store all multi-dimension arrays corresponding to each mask.
127One of the ways is to convert this array into 1-dimension one and every process is taken place on it.
128  \param [in] multi-dimension array grid mask
129*/
130template<int N>
131void CDistributionClient::readGridMaskInfo(const CArray<bool,N>& gridMask)
132{
133  int dim = gridMask.dimensions();
134  std::vector<int> dimensionSizes(dim);
135  for (int i = 0; i < dim; ++i) dimensionSizes[i] = gridMask.extent(i);
136
137  std::vector<int> idxLoop(dim,0);
138  int ssize = gridMask.numElements(), idx = 0;
139  gridMask_.resize(ssize);
140  while (idx < ssize)
141  {
142    for (int i = 0; i < dim-1; ++i)
143    {
144      if (idxLoop[i] == dimensionSizes[i])
145      {
146        idxLoop[i] = 0;
147        ++idxLoop[i+1];
148      }
149    }
150
151    int maskIndex = idxLoop[0];
152    int mulDim = 1;
153    for (int k = 1; k < dim; ++k)
154    {
155      mulDim *= dimensionSizes[k-1];
156      maskIndex += idxLoop[k]*mulDim;
157    }
158    gridMask_(maskIndex) = *(gridMask.dataFirst()+maskIndex);
159
160    ++idxLoop[0];
161    ++idx;
162  }
163}
164
165
166} // namespace xios
167#endif // __XIOS_DISTRIBUTIONCLIENT_HPP__
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