source: XIOS/trunk/src/distribution_client.hpp @ 818

Last change on this file since 818 was 818, checked in by mhnguyen, 5 years ago

Fixing mixed index of unstructured grid

+) Update correct global index with i_index,j_index

Test
+) On Curie
+) test_client, test_complete, test_remap, test_unstruct pass

File size: 5.9 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    static int getDomainIndex(const int& dataIIndex, const int& dataJIndex,
49                                     const int& dataIBegin, const int& dataJBegin,
50                                     const int& dataDim, const int& ni, int& j);
51    static int getAxisIndex(const int& dataIndex, const int& dataBegin, const int& ni);
52
53  protected:
54    void createGlobalIndex();
55    void createGlobalIndexSendToServer();
56    void readDistributionInfo(CGrid* grid);
57    void readDistributionInfo(const std::vector<CDomain*>& domList,
58                              const std::vector<CAxis*>& axisList,
59                              const CArray<bool,1>& axisDomainOrder);
60    void readDomainIndex(const std::vector<CDomain*>& domList);
61    void readAxisIndex(const std::vector<CAxis*>& axisList);
62  private:
63    //! Create local index of a domain
64    void createLocalDomainDataIndex();
65
66    //! Create local index of an axis
67    void createLocalAxisDataIndex();
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    std::vector<CArray<int,1> > infoIndex_; //!< i_index, j_index
100
101    std::vector<CArray<bool,1> > domainMasks_; //!< Domain mask
102    std::vector<CArray<bool,1> > axisMasks_; //!< Axis mask
103
104    std::vector<std::vector<int> > localDomainIndex_;
105    std::vector<std::vector<int> > localAxisIndex_;
106    std::vector<int> indexMap_; //!< Mapping element index to dimension index
107
108    // The correct index of a domain has true value, the ghost one has false value
109    std::vector<std::vector<bool> > indexDomainData_;
110    std::vector<std::vector<bool> > indexAxisData_;
111
112    //!< (Only for grid with one axis or scalar)Flag to determine whether data is distributed or not
113    bool isDataDistributed_;
114    int axisNum_;
115    int domainNum_;
116
117  private:
118    // Just suppose that grid mask has 3 dimension. Need change
119    CArray<bool,1> gridMask_; //!< Mask of grid
120
121  private:
122    CDistributionClient(const CDistributionClient& distClient); //! Not implement
123};
124
125/*!
126  A grid can have multiple dimension, so can its mask in the form of multi-dimension array.
127It's not a good idea to store all multi-dimension arrays corresponding to each mask.
128One of the ways is to convert this array into 1-dimension one and every process is taken place on it.
129  \param [in] multi-dimension array grid mask
130*/
131template<int N>
132void CDistributionClient::readGridMaskInfo(const CArray<bool,N>& gridMask)
133{
134  int dim = gridMask.dimensions();
135  std::vector<int> dimensionSizes(dim);
136  for (int i = 0; i < dim; ++i) dimensionSizes[i] = gridMask.extent(i);
137
138  std::vector<int> idxLoop(dim,0);
139  int ssize = gridMask.numElements(), idx = 0;
140  gridMask_.resize(ssize);
141  while (idx < ssize)
142  {
143    for (int i = 0; i < dim-1; ++i)
144    {
145      if (idxLoop[i] == dimensionSizes[i])
146      {
147        idxLoop[i] = 0;
148        ++idxLoop[i+1];
149      }
150    }
151
152    int maskIndex = idxLoop[0];
153    int mulDim = 1;
154    for (int k = 1; k < dim; ++k)
155    {
156      mulDim *= dimensionSizes[k-1];
157      maskIndex += idxLoop[k]*mulDim;
158    }
159    gridMask_(maskIndex) = *(gridMask.dataFirst()+maskIndex);
160
161    ++idxLoop[0];
162    ++idx;
163  }
164}
165
166
167} // namespace xios
168#endif // __XIOS_DISTRIBUTIONCLIENT_HPP__
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