ParallelDomainProblem.h 4.46 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
// ============================================================================
// ==                                                                        ==
// == AMDiS - Adaptive multidimensional simulations                          ==
// ==                                                                        ==
// ============================================================================
// ==                                                                        ==
// ==  crystal growth group                                                  ==
// ==                                                                        ==
// ==  Stiftung caesar                                                       ==
// ==  Ludwig-Erhard-Allee 2                                                 ==
// ==  53175 Bonn                                                            ==
// ==  germany                                                               ==
// ==                                                                        ==
// ============================================================================
// ==                                                                        ==
// ==  http://www.caesar.de/cg/AMDiS                                         ==
// ==                                                                        ==
// ============================================================================

/** \file ParallelDomainProblem.h */

#ifndef AMDIS_PARALLELDOMAINPROBLEM_H
#define AMDIS_PARALLELDOMAINPROBLEM_H

#include <map>
#include <vector>

#include "ProblemTimeInterface.h"
#include "ProblemIterationInterface.h"
#include "AdaptInfo.h"
#include "mpi.h"

namespace AMDiS {

  class ProblemScal;
  class ProblemInstatScal;
  class ParMetisPartitioner;
  class Mesh;

  class ParallelDomainProblemBase : public ProblemIterationInterface,
                                    public ProblemTimeInterface
  {
  public:
    ParallelDomainProblemBase(const std::string& name,
			      ProblemIterationInterface *iterationIF,
			      ProblemTimeInterface *timeIF,
			      Mesh *mesh);

    virtual ~ParallelDomainProblemBase() {}

    void initParallelization(AdaptInfo *adaptInfo);

    void exitParallelization(AdaptInfo *adaptInfo);    

    /// Set for each element on the partitioning level the number of leaf elements.
    double setElemWeights(AdaptInfo *adaptInfo);

    void partitionMesh(AdaptInfo *adaptInfo);

    virtual void setTime(AdaptInfo *adaptInfo) {}

    virtual void initTimestep(AdaptInfo *adaptInfo) {}

    virtual void closeTimestep(AdaptInfo *adaptInfo) {}

    virtual void solveInitialProblem(AdaptInfo *adaptInfo) {}
  
    virtual void transferInitialSolution(AdaptInfo *adaptInfo) {}

    virtual Flag oneIteration(AdaptInfo *adaptInfo, Flag toDo = FULL_ITERATION) {}

    virtual int getNumProblems() {}

    inline virtual const std::string& getName() { 
      return name; 
    }

    virtual ProblemStatBase *getProblem(int number = 0) {}

    virtual void serialize(std::ostream&) {}

    virtual void deserialize(std::istream&) {}
    
  protected:
    /// The rank of the current process.
    int mpiRank;

    /// Overall number of processes.
    int mpiSize;

    /** \brief
     * MPI communicator collected all processes, which should
     * be used for calculation. The Debug procces is not included
     * in this communicator.
     */
    MPI::Intracomm mpiComm;

    /// Name of the problem (as used in the init files)
    std::string name;

    /// Mesh of the problem.
    Mesh *mesh;

    /// Pointer to the paritioner which is used to devide a mesh into partitions.
    ParMetisPartitioner *partitioner;

    /// Weights for the elements, i.e., the number of leaf elements within this element.
    std::map<int, double> elemWeights;

    /// Is true, if the mesh was not partitioned before, otherwise it's false.
    bool initialPartitionMesh;

    /** \brief
     * Stores to every coarse element index the number of the partition it 
     * corresponds to.
     */
    std::map<int, int> partitionVec;

    /** \brief
     * Stores an old partitioning of elements. To every element index the number
     * of the parition it corresponds to is stored.
     */
    std::map<int, int> oldPartitionVec;    
  };

  class ParallelDomainProblemScal : public ParallelDomainProblemBase
  {
  public:
    ParallelDomainProblemScal(const std::string& name,
			      ProblemScal *problem,
			      ProblemInstatScal *problemInstat);

  };
}

#endif // AMDIS_PARALLELDOMAINPROBLEM_H