Isorropia: Partitioning, Load Balancing and more
Isorropia_EpetraPartitioner2D.hpp
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39
40#ifndef _Isorropia_EpetraPartitioner2D_hpp_
41#define _Isorropia_EpetraPartitioner2D_hpp_
42
44#include <Teuchos_RCP.hpp>
45#include <Teuchos_ParameterList.hpp>
46
49
50#ifdef HAVE_EPETRA
51class Epetra_Map;
52class Epetra_BlockMap;
53class Epetra_Import;
54class Epetra_Vector;
55class Epetra_MultiVector;
56class Epetra_CrsGraph;
57class Epetra_CrsMatrix;
58class Epetra_RowMatrix;
59class Epetra_LinearProblem;
60
61namespace Isorropia {
62
63namespace Epetra {
64
71public:
95 Partitioner2D(Teuchos::RCP<const Epetra_CrsGraph> input_graph,
96 const Teuchos::ParameterList& paramlist = Teuchos::ParameterList("EmptyParameterList"),
97 bool compute_partitioning_now=true);
98
123 Partitioner2D(Teuchos::RCP<const Epetra_RowMatrix> input_matrix,
124 const Teuchos::ParameterList& paramlist = Teuchos::ParameterList("EmptyParameterList"),
125 bool compute_partitioning_now=true);
126
127
128
130 virtual ~Partitioner2D();
131
132
133 // MMW: Missing functions that are in EpetraPartioner, might need to implement
134 //void setPartSizes(int len, int *global_part_id, float *part_size);
135 //void clearPartSizes();
136
148 void partition(bool force_repartitioning=false);
149
150 virtual void compute(bool forceRecomputing=false);
151
152
155 int numElemsInPart(int part) const;
156
157
160 int getNZIndx(int row, int column) const;
161
162
165 void elemsInPart(int part, int* elementList, int len) const;
166
167
168 // Should add RCP versions of the below
169
170 int createDomainAndRangeMaps(Epetra_Map *domainMap,
171 Epetra_Map *rangeMap);
172
173 // perhaps pass parameter lists to these?
174 int createColumnMap(Epetra_Map* colMap);
175 int createRowMap(Epetra_Map* rowMap);
176
177
178
179
180};//class Partitioner2D
181
182}//namespace Epetra
183}//namespace Isorropia
184
185#endif //HAVE_EPETRA
186
187#endif
188
189
An implementation of the Partitioner interface that operates on Epetra matrices and linear systems.
Definition Isorropia_EpetraOperator.hpp:72
An implementation of the Partitioner interface that operates on Epetra matrices and linear systems.
Definition Isorropia_EpetraPartitioner2D.hpp:70
int numElemsInPart(int part) const
Return the number of LOCAL elements in a given part.
virtual void compute(bool forceRecomputing=false)
Method which does the work of computing a new partitioning/coloring/ordering, depending on the child ...
int createRowMap(Epetra_Map *rowMap)
Partitioner2D(Teuchos::RCP< const Epetra_CrsGraph > input_graph, const Teuchos::ParameterList &paramlist=Teuchos::ParameterList("EmptyParameterList"), bool compute_partitioning_now=true)
Constructor that accepts an Epetra_CrsGraph object, called by API function create_partitioner().
virtual ~Partitioner2D()
Destructor.
Partitioner2D(Teuchos::RCP< const Epetra_RowMatrix > input_matrix, const Teuchos::ParameterList &paramlist=Teuchos::ParameterList("EmptyParameterList"), bool compute_partitioning_now=true)
Constructor that accepts an Epetra_RowMatrix object, called by API function create_partitioner().
void elemsInPart(int part, int *elementList, int len) const
global element ids to be located in the given partition.
int createColumnMap(Epetra_Map *colMap)
void partition(bool force_repartitioning=false)
partition is a method that computes a rebalanced partitioning for the data in the object that this cl...
int createDomainAndRangeMaps(Epetra_Map *domainMap, Epetra_Map *rangeMap)
int getNZIndx(int row, int column) const
Interface (abstract base class) for computing a new 2D partitioning and describing the layout of elem...
Definition Isorropia_Partitioner2D.hpp:61
Isorropia is the namespace that contains general definitions that apply to all partitioners and that ...
Definition Isorropia_Epetra.hpp:60