walberla::blockforest::DynamicParMetis Class Reference

#include <DynamicParMetis.h>

Public Types
enum	Algorithm {   PARMETIS_PART_GEOM, PARMETIS_PART_GEOM_KWAY, PARMETIS_PART_KWAY, PARMETIS_ADAPTIVE_REPART,   PARMETIS_REFINE_KWAY }
enum	WeightsToUse { PARMETIS_NO_WEIGHTS = 0, PARMETIS_EDGE_WEIGHTS = 1, PARMETIS_VERTEX_WEIGHTS = 2, PARMETIS_BOTH_WEIGHTS = 3 }
enum	EdgeSource { PARMETIS_EDGES_FROM_FOREST, PARMETIS_EDGES_FROM_EDGE_WEIGHTS }

Public Member Functions
	DynamicParMetis (const Algorithm algorithm=PARMETIS_PART_GEOM_KWAY, const WeightsToUse weightsToUse=PARMETIS_BOTH_WEIGHTS, const EdgeSource edgeSource=PARMETIS_EDGES_FROM_EDGE_WEIGHTS, const uint_t ncon=uint_t(1))
bool	operator() (std::vector< std::pair< const PhantomBlock *, uint_t > > &targetProcess, std::set< uint_t > &processesToRecvFrom, const PhantomBlockForest &phantomForest, const uint_t iteration) const
void	setipc2redist (double val)
double	getipc2redist () const
void	setImbalanceTolerances (const std::vector< double > &tolerances)
void	setImbalanceTolerance (double tolerance, const uint_t con=0)
double	getImbalanceTolerance (const uint_t con=0) const
bool	edgeWeightsUsed () const
bool	vertexWeightsUsed () const
bool	vertexSizeUsed () const
std::string	algorithmToString () const
std::string	weightsToUseToString () const
std::string	edgeSourceToString () const

Static Public Member Functions
static Algorithm	stringToAlgorithm (std::string s)
static WeightsToUse	stringToWeightsToUse (std::string s)
static EdgeSource	stringToEdgeSource (std::string s)

Protected Attributes
Algorithm	algorithm_
WeightsToUse	weightsToUse_
EdgeSource	edgeSource_
uint_t	ncon_ = uint_t(1)
	number of constraints More...
std::vector< double >	ubvec_
	imbalance tolerance for each constraint, value between 1 (perfect balance) and number of subdomains (= number of processes, perfect imbalance) More...
double	ipc2redist_ = real_t( 1000.0 )
	compute repartitioning with low edge cut (set lower (down to 0.000001) to get minimal repartitioning ) More...

Member Enumeration Documentation

Algorithm

enum walberla::blockforest::DynamicParMetis::Algorithm

Enumerator
PARMETIS_PART_GEOM
PARMETIS_PART_GEOM_KWAY
PARMETIS_PART_KWAY
PARMETIS_ADAPTIVE_REPART
PARMETIS_REFINE_KWAY

EdgeSource

enum walberla::blockforest::DynamicParMetis::EdgeSource

Enumerator
PARMETIS_EDGES_FROM_FOREST
PARMETIS_EDGES_FROM_EDGE_WEIGHTS

WeightsToUse

enum walberla::blockforest::DynamicParMetis::WeightsToUse

Enumerator
PARMETIS_NO_WEIGHTS
PARMETIS_EDGE_WEIGHTS
PARMETIS_VERTEX_WEIGHTS
PARMETIS_BOTH_WEIGHTS

Constructor & Destructor Documentation

DynamicParMetis()

walberla::blockforest::DynamicParMetis::DynamicParMetis ( const Algorithm  algorithm = PARMETIS_PART_GEOM_KWAY, const WeightsToUse  weightsToUse = PARMETIS_BOTH_WEIGHTS, const EdgeSource  edgeSource = PARMETIS_EDGES_FROM_EDGE_WEIGHTS, const uint_t  ncon = uint_t(1)  )

inline

Member Function Documentation

algorithmToString()

std::string walberla::blockforest::DynamicParMetis::algorithmToString

(

)

const

edgeSourceToString()

std::string walberla::blockforest::DynamicParMetis::edgeSourceToString

(

)

const

edgeWeightsUsed()

bool walberla::blockforest::DynamicParMetis::edgeWeightsUsed ( ) const

inline

getImbalanceTolerance()

double walberla::blockforest::DynamicParMetis::getImbalanceTolerance ( const uint_t  con = 0 ) const

inline

getipc2redist()

double walberla::blockforest::DynamicParMetis::getipc2redist ( ) const

inline

operator()()

bool walberla::blockforest::DynamicParMetis::operator()	(	std::vector< std::pair< const PhantomBlock *, uint_t > > &	targetProcess,
		std::set< uint_t > &	processesToRecvFrom,
		const PhantomBlockForest &	phantomForest,
		const uint_t	iteration
	)		const

setImbalanceTolerance()

void walberla::blockforest::DynamicParMetis::setImbalanceTolerance ( double  tolerance, const uint_t  con = 0  )

inline

setImbalanceTolerances()

void walberla::blockforest::DynamicParMetis::setImbalanceTolerances ( const std::vector< double > &  tolerances )

inline

setipc2redist()

void walberla::blockforest::DynamicParMetis::setipc2redist ( double  val )

inline

stringToAlgorithm()

DynamicParMetis::Algorithm walberla::blockforest::DynamicParMetis::stringToAlgorithm ( std::string  s )

static

stringToEdgeSource()

DynamicParMetis::EdgeSource walberla::blockforest::DynamicParMetis::stringToEdgeSource ( std::string  s )

static

stringToWeightsToUse()

DynamicParMetis::WeightsToUse walberla::blockforest::DynamicParMetis::stringToWeightsToUse ( std::string  s )

static

vertexSizeUsed()

bool walberla::blockforest::DynamicParMetis::vertexSizeUsed ( ) const

inline

vertexWeightsUsed()

bool walberla::blockforest::DynamicParMetis::vertexWeightsUsed ( ) const

inline

weightsToUseToString()

std::string walberla::blockforest::DynamicParMetis::weightsToUseToString

(

)

const

Member Data Documentation

algorithm_

Algorithm walberla::blockforest::DynamicParMetis::algorithm_

protected

edgeSource_

EdgeSource walberla::blockforest::DynamicParMetis::edgeSource_

protected

ipc2redist_

double walberla::blockforest::DynamicParMetis::ipc2redist_ = real_t( 1000.0 )

protected

compute repartitioning with low edge cut (set lower (down to 0.000001) to get minimal repartitioning )

ncon_

uint_t walberla::blockforest::DynamicParMetis::ncon_ = uint_t(1)

protected

number of constraints

ubvec_

std::vector<double> walberla::blockforest::DynamicParMetis::ubvec_

protected

imbalance tolerance for each constraint, value between 1 (perfect balance) and number of subdomains (= number of processes, perfect imbalance)

weightsToUse_

WeightsToUse walberla::blockforest::DynamicParMetis::weightsToUse_

protected

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The documentation for this class was generated from the following files:

• /builds/administration/walberla-website/walberla/src/blockforest/loadbalancing/DynamicParMetis.h
• /builds/administration/walberla-website/walberla/src/blockforest/loadbalancing/DynamicParMetis.cpp