#include <MeshPartitionMetis.h>

Inheritance diagram for Nektar::SpatialDomains::MeshPartitionMetis:

Static Public Member Functions
static MeshPartitionSharedPtr	create (const LibUtilities::SessionReaderSharedPtr session, LibUtilities::CommSharedPtr comm, int meshDim, std::map< int, MeshEntity > element, CompositeDescriptor compMap)
	Creates an instance of this class. More...

Static Public Attributes
static std::string	className
	Name of class. More...

static std::string	cmdSwitch

Protected Member Functions
	MeshPartitionMetis (const LibUtilities::SessionReaderSharedPtr session, LibUtilities::CommSharedPtr comm, int meshDim, std::map< int, MeshEntity > element, CompositeDescriptor compMap)

	~MeshPartitionMetis () override=default

void	v_PartitionGraphImpl (int &nVerts, int &nVertConds, Nektar::Array< Nektar::OneD, int > &xadj, Nektar::Array< Nektar::OneD, int > &adjcy, Nektar::Array< Nektar::OneD, int > &vertWgt, Nektar::Array< Nektar::OneD, int > &vertSize, Nektar::Array< Nektar::OneD, int > &edgeWgt, int &nparts, int &volume, Nektar::Array< Nektar::OneD, int > &part) final

Protected Member Functions inherited from Nektar::SpatialDomains::MeshPartition
	MeshPartition (const LibUtilities::SessionReaderSharedPtr session, LibUtilities::CommSharedPtr comm, int meshDim, std::map< int, MeshEntity > element, CompositeDescriptor compMap)

virtual	~MeshPartition ()=default

void	ReadExpansions ()

void	ReadConditions ()

void	WeightElements ()

void	CreateGraph ()

void	PartitionGraph (int nParts, bool overlapping=false)
	Partition the graph. More...

void	CheckPartitions (int nParts, Array< OneD, int > &pPart)

int	CalculateElementWeight (LibUtilities::ShapeType elmtType, bool bndWeight, int na, int nb, int nc)

int	CalculateEdgeWeight (LibUtilities::ShapeType elmtType, int na, int nb, int nc)

virtual void	v_PartitionGraphImpl (int &nVerts, int &nVertConds, Nektar::Array< Nektar::OneD, int > &xadj, Nektar::Array< Nektar::OneD, int > &adjcy, Nektar::Array< Nektar::OneD, int > &vertWgt, Nektar::Array< Nektar::OneD, int > &vertSize, Nektar::Array< Nektar::OneD, int > &edgeWgt, int &nparts, int &volume, Nektar::Array< Nektar::OneD, int > &part)=0

Friends
class	MemoryManager< MeshPartitionMetis >

Additional Inherited Members
Public Member Functions inherited from Nektar::SpatialDomains::MeshPartition
void	PartitionMesh (int nParts, bool shared=false, bool overlapping=false, int nLocal=0)

void	PrintPartInfo (std::ostream &out)

void	GetElementIDs (const int procid, std::vector< unsigned int > &tmp)

Protected Types inherited from Nektar::SpatialDomains::MeshPartition
typedef std::vector< unsigned int >	MultiWeight

typedef boost::adjacency_list< boost::setS, boost::vecS, boost::undirectedS, GraphVertexProperties, boost::property< boost::edge_index_t, unsigned int, GraphEdgeProperties > >	BoostGraph

typedef boost::graph_traits< BoostGraph >::vertex_descriptor	BoostVertex

typedef boost::graph_traits< BoostGraph >::edge_descriptor	BoostEdge

typedef boost::graph_traits< BoostGraph >::edge_iterator	BoostEdgeIterator

typedef boost::graph_traits< BoostGraph >::vertex_iterator	BoostVertexIterator

typedef boost::graph_traits< BoostGraph >::adjacency_iterator	BoostAdjacencyIterator

typedef std::vector< unsigned int >	NumModes

typedef std::map< std::string, NumModes >	NummodesPerField

Protected Attributes inherited from Nektar::SpatialDomains::MeshPartition
LibUtilities::SessionReaderSharedPtr	m_session

LibUtilities::CommSharedPtr	m_comm

int	m_dim

int	m_numFields

std::map< int, MeshEntity >	m_elements

std::map< int, MeshEntity >	m_ghostElmts

CompositeDescriptor	m_compMap

std::map< int, NummodesPerField >	m_expansions

std::map< int, LibUtilities::ShapeType >	m_shape

std::map< std::string, int >	m_fieldNameToId

std::map< int, MultiWeight >	m_vertWeights

std::map< int, MultiWeight >	m_vertBndWeights

std::map< int, MultiWeight >	m_edgeWeights

BoostGraph	m_graph

std::map< int, std::vector< unsigned int > >	m_localPartition

bool	m_weightingRequired

bool	m_weightBnd

bool	m_weightDofs

bool	m_shared

bool	m_parallel

Detailed Description

Definition at line 44 of file MeshPartitionMetis.h.

Constructor & Destructor Documentation

◆ MeshPartitionMetis()

Nektar::SpatialDomains::MeshPartitionMetis::MeshPartitionMetis	(	const LibUtilities::SessionReaderSharedPtr	session,
		LibUtilities::CommSharedPtr	comm,
		int	meshDim,
		std::map< int, MeshEntity >	element,
		CompositeDescriptor	compMap
	)

protected

Definition at line 50 of file MeshPartitionMetis.cpp.

    : MeshPartition(session, comm, meshDim, element, compMap)
{
}

◆ ~MeshPartitionMetis()

Nektar::SpatialDomains::MeshPartitionMetis::~MeshPartitionMetis ( )

overrideprotecteddefault

Member Function Documentation

◆ create()

static MeshPartitionSharedPtr Nektar::SpatialDomains::MeshPartitionMetis::create	(	const LibUtilities::SessionReaderSharedPtr	session,
		LibUtilities::CommSharedPtr	comm,
		int	meshDim,
		std::map< int, MeshEntity >	element,
		CompositeDescriptor	compMap
	)

inlinestatic

Creates an instance of this class.

Definition at line 50 of file MeshPartitionMetis.h.

    {
        return MemoryManager<MeshPartitionMetis>::AllocateSharedPtr(
            session, comm, meshDim, element, compMap);
    }

References Nektar::MemoryManager< DataType >::AllocateSharedPtr().

◆ v_PartitionGraphImpl()

void Nektar::SpatialDomains::MeshPartitionMetis::v_PartitionGraphImpl	(	int &	nVerts,
		int &	nVertConds,
		Nektar::Array< Nektar::OneD, int > &	xadj,
		Nektar::Array< Nektar::OneD, int > &	adjcy,
		Nektar::Array< Nektar::OneD, int > &	vertWgt,
		Nektar::Array< Nektar::OneD, int > &	vertSize,
		Nektar::Array< Nektar::OneD, int > &	edgeWgt,
		int &	nparts,
		int &	volume,
		Nektar::Array< Nektar::OneD, int > &	part
	)

finalprotectedvirtual

Implements Nektar::SpatialDomains::MeshPartition.

Definition at line 58 of file MeshPartitionMetis.cpp.

{
    Metis::PartGraphVKway(nVerts, nVertConds, xadj, adjcy, vertWgt, vertSize,
                          edgeWgt, nparts, volume, part);
}

References Metis::PartGraphVKway().

Friends And Related Function Documentation

◆ MemoryManager< MeshPartitionMetis >

friend class MemoryManager< MeshPartitionMetis >

friend

Definition at line 1 of file MeshPartitionMetis.h.

Member Data Documentation

◆ className

std::string Nektar::SpatialDomains::MeshPartitionMetis::className

static

Initial value:

=
    GetMeshPartitionFactory().RegisterCreatorFunction(
        "Metis", MeshPartitionMetis::create,
        "Partitioning using the METIS library.")

Name of class.

Definition at line 60 of file MeshPartitionMetis.h.

◆ cmdSwitch

std::string Nektar::SpatialDomains::MeshPartitionMetis::cmdSwitch