ripley::SystemMatrix Class Reference

#include <RipleySystemMatrix.h>

Inheritance diagram for ripley::SystemMatrix:

Public Member Functions
	SystemMatrix (escript::JMPI mpiInfo, int blocksize, const escript::FunctionSpace &fs, int nRows, const IndexVector &diagonalOffsets, bool symmetric)
virtual	~SystemMatrix ()
virtual void	nullifyRowsAndCols (escript::Data &row_q, escript::Data &col_q, double mdv)
	sets matrix entries to zero in specified rows and columns. The rows and columns are marked by positive values in row_q and col_q. Values on the main diagonal which are marked to set to zero by both row_q and col_q are set to mdv (main diagonal value). More...
virtual void	saveMM (const std::string &filename) const
	writes the matrix to a file using the Matrix Market file format More...
virtual void	saveHB (const std::string &filename) const
	writes the matrix to a file using the Harwell-Boeing file format More...
virtual void	resetValues (bool preserveSolverData=false)
	resets the matrix entries More...
void	add (const IndexVector &rowIndex, const std::vector< double > &array)
int	getBlockSize () const
Public Member Functions inherited from escript::AbstractSystemMatrix
	AbstractSystemMatrix ()
	Default constructor for AbstractSystemMatrix. More...
	AbstractSystemMatrix (int row_blocksize, const FunctionSpace &row_functionspace, int column_blocksize, const FunctionSpace &column_functionspace)
virtual	~AbstractSystemMatrix ()
	Destructor. More...
ASM_ptr	getPtr ()
	Returns smart pointer which is managing this object. If one does not exist yet it creates one. More...
const_ASM_ptr	getPtr () const
	Returns smart pointer which is managing this object. If one does not exist yet it creates one. More...
Data	vectorMultiply (const Data &right) const
	returns the matrix-vector product this*right More...
bool	isEmpty () const
	returns true if the matrix is empty More...
FunctionSpace	getColumnFunctionSpace () const
	returns the column function space More...
FunctionSpace	getRowFunctionSpace () const
	returns the row function space More...
int	getRowBlockSize () const
	returns the row block size More...
int	getColumnBlockSize () const
	returns the column block size More...
Data	solve (const Data &in, boost::python::object &options) const
	returns the solution u of the linear system this*u=in More...
virtual void	nullifyRowsAndCols (Data &row_q, Data &col_q, double mdv)
	sets matrix entries to zero in specified rows and columns. The rows and columns are marked by positive values in row_q and col_q. Values on the main diagonal which are marked to set to zero by both row_q and col_q are set to mdv (main diagonal value). More...
virtual void	saveMM (const std::string &filename) const
	writes the matrix to a file using the Matrix Market file format More...
virtual void	saveHB (const std::string &filename) const
	writes the matrix to a file using the Harwell-Boeing file format More...
virtual void	resetValues (bool preserveSolverData=false)
	resets the matrix entries More...

Private Member Functions
template<class LinearOperator , class Vector , class Preconditioner >
void	runSolver (LinearOperator &A, Vector &x, Vector &b, Preconditioner &M, escript::SolverBuddy &sb) const
void	copyMatrixToDevice (bool verbose=false) const
	copies the current matrix stored on host to device if required More...
virtual void	setToSolution (escript::Data &out, escript::Data &in, boost::python::object &options) const
	solves the linear system this*out=in More...
virtual void	ypAx (escript::Data &y, escript::Data &x) const
	performs y+=this*x More...

Static Private Member Functions
static void	checkCUDA ()

Private Attributes
escript::JMPI	m_mpiInfo
HostMatrixType	mat
DeviceMatrixType	dmat
bool	matrixAltered
bool	symmetric

Static Private Attributes
static std::vector< int >	cudaDevices
	GPU device IDs supporting CUDA. More...

Constructor & Destructor Documentation

SystemMatrix()

ripley::SystemMatrix::SystemMatrix	(	escript::JMPI	mpiInfo,
		int	blocksize,
		const escript::FunctionSpace &	fs,
		int	nRows,
		const IndexVector &	diagonalOffsets,
		bool	symmetric
	)

~SystemMatrix()

virtual ripley::SystemMatrix::~SystemMatrix ( )

inlinevirtual

Member Function Documentation

add()

void ripley::SystemMatrix::add	(	const IndexVector &	rowIndex,
		const std::vector< double > &	array
	)

Referenced by ripley::RipleyDomain::addToSystemMatrix().

checkCUDA()

static void ripley::SystemMatrix::checkCUDA ( )

staticprivate

copyMatrixToDevice()

void ripley::SystemMatrix::copyMatrixToDevice ( bool  verbose = false ) const

private

copies the current matrix stored on host to device if required

getBlockSize()

int ripley::SystemMatrix::getBlockSize ( ) const

inline

References escript::AbstractSystemMatrix::getRowBlockSize().

nullifyRowsAndCols()

virtual void ripley::SystemMatrix::nullifyRowsAndCols ( escript::Data &  row_q, escript::Data &  col_q, double  mdv  )

virtual

sets matrix entries to zero in specified rows and columns. The rows and columns are marked by positive values in row_q and col_q. Values on the main diagonal which are marked to set to zero by both row_q and col_q are set to mdv (main diagonal value).

Reimplemented from escript::AbstractSystemMatrix.

resetValues()

virtual void ripley::SystemMatrix::resetValues ( bool  preserveSolverData = false )

virtual

resets the matrix entries

Reimplemented from escript::AbstractSystemMatrix.

runSolver()

template<class LinearOperator , class Vector , class Preconditioner >

void ripley::SystemMatrix::runSolver ( LinearOperator &  A, Vector &  x, Vector &  b, Preconditioner &  M, escript::SolverBuddy &  sb  ) const

private

saveHB()

virtual void ripley::SystemMatrix::saveHB ( const std::string &  filename ) const

virtual

writes the matrix to a file using the Harwell-Boeing file format

Reimplemented from escript::AbstractSystemMatrix.

saveMM()

virtual void ripley::SystemMatrix::saveMM ( const std::string &  filename ) const

virtual

writes the matrix to a file using the Matrix Market file format

Reimplemented from escript::AbstractSystemMatrix.

setToSolution()

virtual void ripley::SystemMatrix::setToSolution ( escript::Data &  out, escript::Data &  in, boost::python::object &  options  ) const

privatevirtual

solves the linear system this*out=in

Reimplemented from escript::AbstractSystemMatrix.

ypAx()

virtual void ripley::SystemMatrix::ypAx ( escript::Data &  y, escript::Data &  x  ) const

privatevirtual

performs y+=this*x

Reimplemented from escript::AbstractSystemMatrix.

Member Data Documentation

cudaDevices

std::vector<int> ripley::SystemMatrix::cudaDevices

staticprivate

GPU device IDs supporting CUDA.

dmat

DeviceMatrixType ripley::SystemMatrix::dmat

mutableprivate

m_mpiInfo

escript::JMPI ripley::SystemMatrix::m_mpiInfo

private

mat

HostMatrixType ripley::SystemMatrix::mat

private

matrixAltered

bool ripley::SystemMatrix::matrixAltered

mutableprivate

symmetric

bool ripley::SystemMatrix::symmetric

private

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

• RipleySystemMatrix.h