source: XIOS/trunk/src/distribution_client.hpp @ 831

Last change on this file since 831 was 831, checked in by mhnguyen, 5 years ago

Cleaning up some redundant coeds and making some improvements

+) Remove some XIOS Search to make code run faster
+) Remove some commented codes

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