#include <Ifpack_OverlappingPartitioner.h>
Public Member Functions | |
Ifpack_OverlappingPartitioner (const Ifpack_Graph *Graph) | |
Constructor. | |
virtual | ~Ifpack_OverlappingPartitioner () |
Destructor. | |
int | NumLocalParts () const |
Returns the number of computed local partitions. | |
int | OverlappingLevel () const |
Returns the overlapping level. | |
int | operator() (int MyRow) const |
Returns the local non-overlapping partition ID of the specified row. | |
int | operator() (int i, int j) const |
Returns the local overlapping partition ID of the j-th node in partition i. | |
int | NumRowsInPart (const int Part) const |
Returns the number of rows contained in specified partition. | |
int | RowsInPart (const int Part, int *List) const |
Copies into List the rows in the (overlapping) partition Part. | |
const int * | NonOverlappingPartition () const |
Returns a pointer to the integer vector containing the non-overlapping partition ID of each local row. | |
virtual int | SetParameters (Teuchos::ParameterList &List) |
Sets all the parameters for the partitioner. | |
virtual int | SetPartitionParameters (Teuchos::ParameterList &List)=0 |
Sets all the parameters for the partitioner. | |
virtual int | Compute () |
Computes the partitions. Returns 0 if successful. | |
virtual int | ComputePartitions ()=0 |
Computes the partitions. Returns 0 if successful. | |
virtual int | ComputeOverlappingPartitions () |
Computes the partitions. Returns 0 if successful. | |
bool | IsComputed () |
Returns true if partitions have been computed successfully. | |
virtual ostream & | Print (std::ostream &os) const |
Prints basic information on iostream. This function is used by operator<<. | |
Protected Member Functions | |
int | NumMyRows () const |
Returns the number of local rows. | |
int | NumMyNonzeros () const |
Returns the number of local nonzero elements. | |
int | NumGlobalRows () const |
Returns the number of local rows. | |
int | MaxNumEntries () const |
Returns the max number of local entries in a row. | |
const Epetra_Comm & | Comm () const |
Returns the communicator object of Graph. | |
Protected Attributes | |
int | NumLocalParts_ |
Number of local subgraphs. | |
std::vector< int > | Partition_ |
Partition_[i] contains the ID of non-overlapping part it belongs to. | |
std::vector< std::vector< int > > | Parts_ |
Parts_[i][j] is the ID of the j-th row contained in the (overlapping). | |
const Ifpack_Graph * | Graph_ |
Reference to the graph to be partitioned. | |
int | OverlappingLevel_ |
Overlapping level. | |
bool | IsComputed_ |
If true , the graph has been successfully partitioned. | |
bool | verbose_ |
If true , information are reported on cout. |
Definition at line 68 of file Ifpack_OverlappingPartitioner.h.
Ifpack_OverlappingPartitioner::Ifpack_OverlappingPartitioner | ( | const Ifpack_Graph * | Graph | ) |
Constructor.
Definition at line 44 of file Ifpack_OverlappingPartitioner.cpp.
Ifpack_OverlappingPartitioner::~Ifpack_OverlappingPartitioner | ( | ) | [virtual] |
Destructor.
Definition at line 54 of file Ifpack_OverlappingPartitioner.cpp.
int Ifpack_OverlappingPartitioner::NumLocalParts | ( | ) | const [inline, virtual] |
Returns the number of computed local partitions.
Implements Ifpack_Partitioner.
Definition at line 79 of file Ifpack_OverlappingPartitioner.h.
int Ifpack_OverlappingPartitioner::OverlappingLevel | ( | ) | const [inline, virtual] |
Returns the overlapping level.
Implements Ifpack_Partitioner.
Definition at line 85 of file Ifpack_OverlappingPartitioner.h.
int Ifpack_OverlappingPartitioner::operator() | ( | int | MyRow | ) | const [inline, virtual] |
Returns the local non-overlapping partition ID of the specified row.
Returns the non-overlapping partition ID of the specified row.
MyRow | - (In) local row numbe |
Implements Ifpack_Partitioner.
Definition at line 98 of file Ifpack_OverlappingPartitioner.h.
int Ifpack_OverlappingPartitioner::operator() | ( | int | i, | |
int | j | |||
) | const [inline, virtual] |
Returns the local overlapping partition ID of the j-th node in partition i.
Implements Ifpack_Partitioner.
Definition at line 107 of file Ifpack_OverlappingPartitioner.h.
int Ifpack_OverlappingPartitioner::NumRowsInPart | ( | const int | Part | ) | const [inline, virtual] |
Returns the number of rows contained in specified partition.
Implements Ifpack_Partitioner.
Definition at line 119 of file Ifpack_OverlappingPartitioner.h.
int Ifpack_OverlappingPartitioner::RowsInPart | ( | const int | Part, | |
int * | List | |||
) | const [inline, virtual] |
Copies into List the rows in the (overlapping) partition Part.
Implements Ifpack_Partitioner.
Definition at line 124 of file Ifpack_OverlappingPartitioner.h.
const int* Ifpack_OverlappingPartitioner::NonOverlappingPartition | ( | ) | const [inline, virtual] |
Returns a pointer to the integer vector containing the non-overlapping partition ID of each local row.
Implements Ifpack_Partitioner.
Definition at line 132 of file Ifpack_OverlappingPartitioner.h.
int Ifpack_OverlappingPartitioner::SetParameters | ( | Teuchos::ParameterList & | List | ) | [virtual] |
Sets all the parameters for the partitioner.
The supported parameters are:
"partitioner: overlap"
(int, default = 0)."partitioner: local parts"
(int, default = 1)."partitioner: print level"
(int, default = 0). Implements Ifpack_Partitioner.
Definition at line 59 of file Ifpack_OverlappingPartitioner.cpp.
virtual int Ifpack_OverlappingPartitioner::SetPartitionParameters | ( | Teuchos::ParameterList & | List | ) | [pure virtual] |
Sets all the parameters for the partitioner.
This function is used by derived classes to set their own parameters. These classes should not derive SetParameters(), so that common parameters can be set just once.
Implemented in Ifpack_EquationPartitioner, Ifpack_GreedyPartitioner, Ifpack_LinearPartitioner, Ifpack_METISPartitioner, and Ifpack_UserPartitioner.
int Ifpack_OverlappingPartitioner::Compute | ( | ) | [virtual] |
Computes the partitions. Returns 0 if successful.
Implements Ifpack_Partitioner.
Definition at line 84 of file Ifpack_OverlappingPartitioner.cpp.
virtual int Ifpack_OverlappingPartitioner::ComputePartitions | ( | ) | [pure virtual] |
Computes the partitions. Returns 0 if successful.
Implemented in Ifpack_EquationPartitioner, Ifpack_GreedyPartitioner, Ifpack_LinearPartitioner, Ifpack_METISPartitioner, and Ifpack_UserPartitioner.
int Ifpack_OverlappingPartitioner::ComputeOverlappingPartitions | ( | ) | [virtual] |
Computes the partitions. Returns 0 if successful.
Definition at line 134 of file Ifpack_OverlappingPartitioner.cpp.
bool Ifpack_OverlappingPartitioner::IsComputed | ( | ) | [inline, virtual] |
Returns true if partitions have been computed successfully.
Implements Ifpack_Partitioner.
Definition at line 162 of file Ifpack_OverlappingPartitioner.h.
virtual ostream& Ifpack_OverlappingPartitioner::Print | ( | std::ostream & | os | ) | const [virtual] |
Prints basic information on iostream. This function is used by operator<<.
Implements Ifpack_Partitioner.
int Ifpack_OverlappingPartitioner::NumMyRows | ( | ) | const [protected] |
Returns the number of local rows.
Definition at line 236 of file Ifpack_OverlappingPartitioner.cpp.
int Ifpack_OverlappingPartitioner::NumMyNonzeros | ( | ) | const [protected] |
Returns the number of local nonzero elements.
Definition at line 242 of file Ifpack_OverlappingPartitioner.cpp.
int Ifpack_OverlappingPartitioner::NumGlobalRows | ( | ) | const [protected] |
Returns the number of local rows.
Definition at line 248 of file Ifpack_OverlappingPartitioner.cpp.
int Ifpack_OverlappingPartitioner::MaxNumEntries | ( | ) | const [protected] |
Returns the max number of local entries in a row.
Definition at line 254 of file Ifpack_OverlappingPartitioner.cpp.
const Epetra_Comm & Ifpack_OverlappingPartitioner::Comm | ( | ) | const [protected] |
Returns the communicator object of Graph.
Definition at line 260 of file Ifpack_OverlappingPartitioner.cpp.
int Ifpack_OverlappingPartitioner::NumLocalParts_ [protected] |
Number of local subgraphs.
Definition at line 183 of file Ifpack_OverlappingPartitioner.h.
std::vector<int> Ifpack_OverlappingPartitioner::Partition_ [protected] |
Partition_[i] contains the ID of non-overlapping part it belongs to.
Definition at line 185 of file Ifpack_OverlappingPartitioner.h.
std::vector<std::vector<int> > Ifpack_OverlappingPartitioner::Parts_ [protected] |
Parts_[i][j] is the ID of the j-th row contained in the (overlapping).
Definition at line 188 of file Ifpack_OverlappingPartitioner.h.
const Ifpack_Graph* Ifpack_OverlappingPartitioner::Graph_ [protected] |
Reference to the graph to be partitioned.
Definition at line 190 of file Ifpack_OverlappingPartitioner.h.
int Ifpack_OverlappingPartitioner::OverlappingLevel_ [protected] |
Overlapping level.
Definition at line 192 of file Ifpack_OverlappingPartitioner.h.
bool Ifpack_OverlappingPartitioner::IsComputed_ [protected] |
If true
, the graph has been successfully partitioned.
Definition at line 194 of file Ifpack_OverlappingPartitioner.h.
bool Ifpack_OverlappingPartitioner::verbose_ [protected] |
If true
, information are reported on cout.
Definition at line 196 of file Ifpack_OverlappingPartitioner.h.