source: XIOS/dev/branch_openmp/src/distribution_client.hpp @ 1460

Last change on this file since 1460 was 1460, checked in by yushan, 3 years ago

branch_openmp merged with XIOS_DEV_CMIP6@1459

File size: 6.1 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;
22class CScalar;
23
24/*!
25  \class CDistributionClient
26  This class bases on the knowledge of distribution on client side (decided by users)
27to calculate the global index of its local data.
28*/
29class CDistributionClient : public CDistribution
30{
31public:
32  typedef CDistribution::GlobalLocalMap GlobalLocalDataMap;
33
34  public:
35    /** Default constructor */       
36    CDistributionClient(int rank, CGrid* grid);
37
38    void createGlobalIndexSendToServer();
39
40    /** Default destructor */
41    virtual ~CDistributionClient();
42
43    virtual const std::vector<int>& getLocalDataIndexOnClient();
44    GlobalLocalDataMap& getGlobalLocalDataSendToServer();
45    GlobalLocalDataMap& getGlobalDataIndexOnClient();
46    const std::vector<int>& getLocalMaskIndexOnClient();
47    const std::vector<int>& getLocalMaskedDataIndexOnClient();
48
49    std::vector<int> getNGlob() { return nGlob_; }
50    std::vector<int> getDataNIndex() { return dataNIndex_; }
51
52    bool isDataDistributed() { return isDataDistributed_; }
53
54    static int getDomainIndex(const int& dataIIndex, const int& dataJIndex,
55                                     const int& dataIBegin, const int& dataJBegin,
56                                     const int& dataDim, const int& ni, int& j);
57    static int getAxisIndex(const int& dataIndex, const int& dataBegin, const int& ni);
58
59    void partialClear(void) ;  //! clear heavy sized attibutes
60
61  protected:
62    void createGlobalIndex();
63    void readDistributionInfo(CGrid* grid);
64    void readDistributionInfo(const std::vector<CDomain*>& domList,
65                              const std::vector<CAxis*>& axisList,
66                              const std::vector<CScalar*>& scalarList,
67                              const CArray<int,1>& axisDomainOrder);
68  private:
69    //! Create local index of a domain
70    void createLocalDomainDataIndex();
71
72    //! Create local index of an axis
73    void createLocalAxisDataIndex();
74
75    //! Create local index of a scalar
76    void createLocalScalarDataIndex();
77
78    template<int N>
79    void readGridMaskInfo(const CArray<bool,N>& gridMask);
80
81  private:
82    //!< LocalData index on client
83    GlobalLocalDataMap globalLocalDataSendToServerMap_;
84    GlobalLocalDataMap globalDataIndex_;
85    std::vector<int> localDataIndex_;
86    std::vector<int> localMaskIndex_;
87    std::vector<int> localMaskedDataIndex_;
88
89  private:
90    /*! Domains and axis are considered elements.
91     * A grid composed of 1 domain and 1 axis has 2 elements */
92    int numElement_;
93    CArray<int,1> axisDomainOrder_; //!< Order of axis and domain of a grid
94
95    std::vector<int> nLocal_; //!< Local size of each dimension (ni, nj, etc, ...)
96    std::vector<int> nGlob_; //!< Global size of each dimension (e.x: ni_glo, nj_glo, etc, ...)
97    std::vector<int> nBeginLocal_;//!< Begin index of each dimension (e.x: for domain, it's always 0, for axis, it's zoom_begin, ...)
98    std::vector<int> nBeginGlobal_; //!< Begin index of each dimension (e.x: ibegin, jbegin, ...)
99    std::vector<int> nZoomBegin_; //!< Begin index of zoom of each dimension
100    std::vector<int> nZoomEnd_; //!< End index of zoom of each dimension
101
102    // Data_n_index of domain or axis (For now, axis uses its size as data_n_index
103    std::vector<int> dataNIndex_; //!< Data_n_index in case of domain
104    std::vector<int> dataDims_; //!< Data_dim, domain can have data_dim == 1 or 2
105    std::vector<int> dataBegin_; //!< Data begin (data_ibegin, data_jbegin, etc)
106    std::vector<CArray<int,1> > dataIndex_; //!< Data index
107    std::vector<CArray<int,1> > infoIndex_; //!< i_index, j_index
108
109    std::vector<CArray<bool,1> > domainMasks_; //!< Domain mask
110    std::vector<CArray<bool,1> > axisMasks_; //!< Axis mask
111
112    std::vector<int> indexMap_; //!< Mapping element index to dimension index
113    std::vector<CArray<int,1> > elementLocalIndex_;  //!< Local index of each element
114    std::vector<CArray<size_t,1> > elementGlobalIndex_; //!< Global index of each element
115    std::vector<CArray<bool,1> > elementIndexData_; //!< // The correct index of a domain has true value, the ghost one has false value
116    std::vector<CArray<bool,1> > elementZoomMask_; //!< Only zoomed region are true
117    std::vector<size_t> elementNLocal_;
118    std::vector<size_t> elementNGlobal_;
119
120    //!< (Only for grid with one axis or scalar)Flag to determine whether data is distributed or not
121    bool isDataDistributed_;
122    int axisNum_;
123    int domainNum_;
124    bool isComputed_;
125
126  private:
127    // Just suppose that grid mask has 3 dimension. Need change
128    CArray<bool,1> gridMask_; //!< Mask of grid
129
130  private:
131    CDistributionClient(const CDistributionClient& distClient); //! Not implement
132};
133
134/*!
135  A grid can have multiple dimension, so can its mask in the form of multi-dimension array.
136It's not a good idea to store all multi-dimension arrays corresponding to each mask.
137One of the ways is to convert this array into 1-dimension one and every process is taken place on it.
138  \param [in] multi-dimension array grid mask
139*/
140template<int N>
141void CDistributionClient::readGridMaskInfo(const CArray<bool,N>& gridMask)
142{
143  int dim = gridMask.dimensions();
144  std::vector<int> dimensionSizes(dim);
145  for (int i = 0; i < dim; ++i) dimensionSizes[i] = gridMask.extent(i);
146
147  std::vector<int> idxLoop(dim,0);
148  int ssize = gridMask.numElements(), idx = 0;
149  gridMask_.resize(ssize);
150  while (idx < ssize)
151  {
152    for (int i = 0; i < dim-1; ++i)
153    {
154      if (idxLoop[i] == dimensionSizes[i])
155      {
156        idxLoop[i] = 0;
157        ++idxLoop[i+1];
158      }
159    }
160
161    int maskIndex = idxLoop[0];
162    int mulDim = 1;
163    for (int k = 1; k < dim; ++k)
164    {
165      mulDim *= dimensionSizes[k-1];
166      maskIndex += idxLoop[k]*mulDim;
167    }
168    gridMask_(maskIndex) = *(gridMask.dataFirst()+maskIndex);
169
170    ++idxLoop[0];
171    ++idx;
172  }
173}
174
175} // namespace xios
176#endif // __XIOS_DISTRIBUTIONCLIENT_HPP__
Note: See TracBrowser for help on using the repository browser.