PartitionMapping maps a solution or an input distribution to ranks. More...

#include <Zoltan2_MappingSolution.hpp>

Inheritance diagram for Zoltan2::MappingSolution< Adapter >:

Collaboration diagram for Zoltan2::MappingSolution< Adapter >:

Public Types
typedef std::unordered_map < lno_t, int >	rankmap_t

Public Member Functions
	MappingSolution (const RCP< const Environment > &env, const RCP< const Comm< int > > &comm, const RCP< Algorithm< Adapter > > &algorithm=Teuchos::null)
	Constructor. More...

virtual	~MappingSolution ()

void	getMyPartsView (part_t &numParts, part_t *&parts)
	Get the parts belonging to this rank. More...

int	getRankForPart (part_t part)
	Get the rank containing a part. Simplifying assumption: a part is wholy assigned to a rank; it is not spread across ranks. More...

void	setMap_PartsForRank (ArrayRCP< int > &idx, ArrayRCP< part_t > &parts)

void	setMap_RankForLocalElements (ArrayRCP< int > &ranks)
	This is a mapping from local elements to ranks. More...

void	setMap_RankForPart (ArrayRCP< part_t > &parts, ArrayRCP< int > &ranks)

void	setMap_RankForPart (RCP< rankmap_t > &rankmap)

Public Member Functions inherited from Zoltan2::PartitioningSolution< Adapter >
	PartitioningSolution (const RCP< const Environment > &env, const RCP< const Comm< int > > &comm, int nUserWeights, const RCP< Algorithm< Adapter > > &algorithm=Teuchos::null)
	Constructor when part sizes are not supplied. More...

	PartitioningSolution (const RCP< const Environment > &env, const RCP< const Comm< int > > &comm, int nUserWeights, ArrayView< ArrayRCP< part_t > > reqPartIds, ArrayView< ArrayRCP< scalar_t > > reqPartSizes, const RCP< Algorithm< Adapter > > &algorithm=Teuchos::null)
	Constructor when part sizes are supplied. More...

size_t	getTargetGlobalNumberOfParts () const
	Returns the global number of parts desired in the solution. More...

size_t	getActualGlobalNumberOfParts () const
	Returns the actual global number of parts provided in setParts(). More...

size_t	getLocalNumberOfParts () const
	Returns the number of parts to be assigned to this process. More...

scalar_t	getLocalFractionOfPart () const
	If parts are divided across processes, return the fraction of a part on this process. More...

bool	oneToOnePartDistribution () const
	Is the part-to-process distribution is one-to-one. More...

const int *	getPartDistribution () const
	Return a distribution by part. More...

const part_t *	getProcDistribution () const
	Return a distribution by process. More...

int	getNumberOfCriteria () const
	Get the number of criteria (object weights) More...

bool	criteriaHasUniformPartSizes (int idx) const
	Determine if balancing criteria has uniform part sizes. (User can specify differing part sizes.) More...

scalar_t	getCriteriaPartSize (int idx, part_t part) const
	Get the size for a given weight index and a given part. More...

bool	criteriaHaveSamePartSizes (int c1, int c2) const
	Return true if the two weight indices have the same part size information. More...

void	setParts (ArrayRCP< part_t > &partList)
	The algorithm uses setParts to set the solution. More...

void	RemapParts ()
	Remap a new partition for maximum overlap with an input partition. More...

long	measure_stays (part_t remap, int idx, part_t adj, long wgt, part_t nrhs, part_t nlhs)

const RCP< const Comm< int > > &	getCommunicator () const
	Return the communicator associated with the solution. More...

const RCP< const Environment > &	getEnvironment () const
	Return the environment associated with the solution. More...

const part_t *	getPartListView () const
	Returns the part list corresponding to the global ID list. More...

const int *	getProcListView () const
	Returns the process list corresponding to the global ID list. More...

virtual bool	isPartitioningTreeBinary () const
	calculate if partition tree is binary. More...

void	getPartitionTree (part_t &numTreeVerts, std::vector< part_t > &permPartNums, std::vector< part_t > &splitRangeBeg, std::vector< part_t > &splitRangeEnd, std::vector< part_t > &treeVertParents) const
	get the partition tree - fill the relevant arrays More...

std::vector < Zoltan2::coordinateModelPartBox > &	getPartBoxesView () const
	returns the part box boundary list. More...

part_t	pointAssign (int dim, scalar_t *point) const
	Return the part overlapping a given point in space;. More...

void	boxAssign (int dim, scalar_t lower, scalar_t upper, size_t &nPartsFound, part_t **partsFound) const
	Return an array of all parts overlapping a given box in space. More...

void	getCommunicationGraph (ArrayRCP< part_t > &comXAdj, ArrayRCP< part_t > &comAdj) const
	returns communication graph resulting from geometric partitioning. More...

void	getPartsForProc (int procId, double &numParts, part_t &partMin, part_t &partMax) const
	Get the parts belonging to a process. More...

void	getProcsForPart (part_t partId, part_t &procMin, part_t &procMax) const
	Get the processes containing a part. More...

Public Member Functions inherited from Zoltan2::Solution
virtual	~Solution ()

Detailed Description

template<typename Adapter>
class Zoltan2::MappingSolution< Adapter >

PartitionMapping maps a solution or an input distribution to ranks.

Definition at line 64 of file Zoltan2_MappingSolution.hpp.

Member Typedef Documentation

template<typename Adapter>

typedef std::unordered_map<lno_t, int> Zoltan2::MappingSolution< Adapter >::rankmap_t

Definition at line 88 of file Zoltan2_MappingSolution.hpp.

Constructor & Destructor Documentation

template<typename Adapter>

Zoltan2::MappingSolution< Adapter >::MappingSolution	(	const RCP< const Environment > &	env,
		const RCP< const Comm< int > > &	comm,
		const RCP< Algorithm< Adapter > > &	algorithm = `Teuchos::null`
	)

inline

Constructor.

Definition at line 77 of file Zoltan2_MappingSolution.hpp.

template<typename Adapter>

virtual Zoltan2::MappingSolution< Adapter >::~MappingSolution ( )

inlinevirtual

Definition at line 86 of file Zoltan2_MappingSolution.hpp.

Member Function Documentation

template<typename Adapter>

void Zoltan2::MappingSolution< Adapter >::getMyPartsView	(	part_t &	numParts,
		part_t *&	parts
	)

inline

Get the parts belonging to this rank.

Parameters

numParts	on return, set to the number of parts assigned to rank.
parts	on return, pointer (view) to the parts assigned to rank

Definition at line 94 of file Zoltan2_MappingSolution.hpp.

template<typename Adapter>

int Zoltan2::MappingSolution< Adapter >::getRankForPart ( part_t part )

inline

Get the rank containing a part. Simplifying assumption: a part is wholy assigned to a rank; it is not spread across ranks.

Parameters

part	Id of the part whose rank is sought

Returns: rank to which part is assigned

Definition at line 152 of file Zoltan2_MappingSolution.hpp.

template<typename Adapter>

void Zoltan2::MappingSolution< Adapter >::setMap_PartsForRank	(	ArrayRCP< int > &	idx,
		ArrayRCP< part_t > &	parts
	)

inline

Definition at line 196 of file Zoltan2_MappingSolution.hpp.

template<typename Adapter>

void Zoltan2::MappingSolution< Adapter >::setMap_RankForLocalElements ( ArrayRCP< int > & ranks )

inline

This is a mapping from local elements to ranks.

"parts" in the other functions should also mean the local elements, since we allow the direct mapping call with local elements as well. ranks[i] hold the mappend rank for local element i. Function will fail if part_t != int

Definition at line 223 of file Zoltan2_MappingSolution.hpp.

template<typename Adapter>