Multiple evaluation operation that uses the subspace structure to save work compared to the naive or streaming variants. More...

#include <OperationMultipleEvalSubspaceSimple.hpp>

Inheritance diagram for sgpp::datadriven::OperationMultipleEvalSubspaceSimple:

Public Member Functions
size_t	getAlignment () override
	Alignment required by the vector instruction set SG++ is compiled with. More...

std::string	getImplementationName () override
	Name of the implementation, useful for benchmarking different implementation approaches. More...

void	multImpl (sgpp::base::DataVector &source, sgpp::base::DataVector &result, const size_t start_index_data, const size_t end_index_data) override
	Internal mult operator, should not be called directly. More...

void	multTransposeImpl (sgpp::base::DataVector &alpha, sgpp::base::DataVector &result, const size_t start_index_data, const size_t end_index_data) override
	Internal eval operator, should not be called directly. More...

	OperationMultipleEvalSubspaceSimple (base::Grid &grid, base::DataMatrix &dataset)
	Creates a new instance of the OperationMultipleEvalSubspaceSimple class. More...

void	prepare () override
	Updates the internal data structures to reflect changes to the grid, e.g. More...

	~OperationMultipleEvalSubspaceSimple ()
	Destructor. More...

Public Member Functions inherited from sgpp::datadriven::AbstractOperationMultipleEvalSubspace
	AbstractOperationMultipleEvalSubspace (base::Grid &grid, base::DataMatrix &dataset)

virtual double	getDuration () override

virtual size_t	getPaddedDatasetSize ()

void	mult (sgpp::base::DataVector &source, sgpp::base::DataVector &result) override
	Multiplication of \(B^T\) with vector \(\alpha\). More...

void	multTranspose (sgpp::base::DataVector &alpha, sgpp::base::DataVector &result) override
	Multiplication of \(B\) with vector \(\alpha\). More...

	~AbstractOperationMultipleEvalSubspace ()

Public Member Functions inherited from sgpp::base::OperationMultipleEval
void	eval (DataVector &alpha, DataVector &result)
	Evaluate multiple datapoints with the specified grid. More...

virtual void	mult (DataVector &alpha, DataVector &result, size_t startIndexData, size_t endIndexData)
	Multiplication of \(B^T\) with vector \(\alpha\). More...

virtual void	multTranspose (DataVector &source, DataVector &result, size_t startIndexGrid, size_t endIndexGrid)
	Multiplication of \(B\) with vector \(\alpha\). More...

	OperationMultipleEval (sgpp::base::Grid &grid, DataMatrix &dataset)
	Constructor. More...

virtual	~OperationMultipleEval ()
	Destructor. More...

Additional Inherited Members
Static Public Member Functions inherited from sgpp::datadriven::AbstractOperationMultipleEvalSubspace
static size_t	getChunkDataPoints ()

static size_t	getChunkGridPoints ()

Protected Attributes inherited from sgpp::datadriven::AbstractOperationMultipleEvalSubspace
base::GridStorage *	storage

Protected Attributes inherited from sgpp::base::OperationMultipleEval
DataMatrix &	dataset

Grid &	grid

bool	isPrepared

Detailed Description

Multiple evaluation operation that uses the subspace structure to save work compared to the naive or streaming variants.

Verification and debugging variant, should not be used. Instead, use the OperationMultipleEvalSubspaceCombined.

Constructor & Destructor Documentation

◆ OperationMultipleEvalSubspaceSimple()

sgpp::datadriven::OperationMultipleEvalSubspaceSimple::OperationMultipleEvalSubspaceSimple	(	base::Grid &	grid,
		base::DataMatrix &	dataset
	)

Creates a new instance of the OperationMultipleEvalSubspaceSimple class.

Parameters

grid	grid to be evaluated
dataset	set of evaluation points

References sgpp::base::DataMatrix::getNcols().

◆ ~OperationMultipleEvalSubspaceSimple()

sgpp::datadriven::OperationMultipleEvalSubspaceSimple::~OperationMultipleEvalSubspaceSimple ( )

Destructor.

Member Function Documentation

◆ getAlignment()

size_t sgpp::datadriven::OperationMultipleEvalSubspaceSimple::getAlignment ( )

overridevirtual

Alignment required by the vector instruction set SG++ is compiled with.

Returns: alignment requirement

Implements sgpp::datadriven::AbstractOperationMultipleEvalSubspace.

◆ getImplementationName()

std::string sgpp::datadriven::OperationMultipleEvalSubspaceSimple::getImplementationName ( )

overridevirtual

Name of the implementation, useful for benchmarking different implementation approaches.

Returns: name of the implementation

Reimplemented from sgpp::base::OperationMultipleEval.

◆ multImpl()

void sgpp::datadriven::OperationMultipleEvalSubspaceSimple::multImpl	(	sgpp::base::DataVector &	source,
		sgpp::base::DataVector &	result,
		const size_t	start_index_data,
		const size_t	end_index_data
	)

overridevirtual

Internal mult operator, should not be called directly.

See also: OperationMultipleEval

Parameters

source	source operand for the operator
result	stores the result
start_index_data	beginning of the range to process
end_index_data	end of the range to process

Implements sgpp::datadriven::AbstractOperationMultipleEvalSubspace.

References sgpp::base::OperationMultipleEval::dataset, sgpp::base::DataMatrix::getNcols(), sgpp::base::DataVector::getPointer(), sgpp::base::DataMatrix::getRow(), python.statsfileInfo::i, and sgpp::base::DataVector::set().

◆ multTransposeImpl()

void sgpp::datadriven::OperationMultipleEvalSubspaceSimple::multTransposeImpl	(	sgpp::base::DataVector &	alpha,
		sgpp::base::DataVector &	result,
		const size_t	start_index_data,
		const size_t	end_index_data
	)

overridevirtual

Internal eval operator, should not be called directly.

See also: OperationMultipleEval

Parameters

alpha	surplusses of the grid
result	will contain the evaluation results for the given range.
start_index_data	beginning of the range to evaluate
end_index_data	end of the range to evaluate

Implements sgpp::datadriven::AbstractOperationMultipleEvalSubspace.

References sgpp::base::OperationMultipleEval::dataset, sgpp::base::DataMatrix::getNcols(), sgpp::base::DataVector::getPointer(), sgpp::base::DataMatrix::getRow(), and python.statsfileInfo::i.

◆ prepare()

void sgpp::datadriven::OperationMultipleEvalSubspaceSimple::prepare ( )

overridevirtual

Updates the internal data structures to reflect changes to the grid, e.g.

due to refinement.

Reimplemented from sgpp::base::OperationMultipleEval.

References sgpp::datadriven::SubspaceNodeSimple::addGridPoint(), sgpp::base::HashGridPoint::get(), sgpp::base::DataVector::get(), sgpp::datadriven::x86simple::getHighestDifferentIndex(), sgpp::base::HashGridStorage::getPoint(), sgpp::base::HashGridStorage::getSize(), sgpp::datadriven::SubspaceNodeSimple::gridPointsOnLevel, sgpp::datadriven::SubspaceNodeSimple::hInverse, python.statsfileInfo::i, python.utils.statsfile2gnuplot::j, sgpp::datadriven::SubspaceNodeSimple::level, level, chess::point, sgpp::datadriven::x86simple::problemDimForSorting, sgpp::base::DataVector::set(), sgpp::datadriven::AbstractOperationMultipleEvalSubspace::storage, and sgpp::datadriven::x86simple::subspaceComparator().

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

datadriven/src/sgpp/datadriven/operation/hash/OperationMultipleEvalSubspace/simple/OperationMultipleEvalSubspaceSimple.hpp
datadriven/src/sgpp/datadriven/operation/hash/OperationMultipleEvalSubspace/simple/OperationMultipleEvalSubspaceSimple.cpp
datadriven/src/sgpp/datadriven/operation/hash/OperationMultipleEvalSubspace/simple/OperationMultipleEvalSubspaceSimple_multImpl.cpp
datadriven/src/sgpp/datadriven/operation/hash/OperationMultipleEvalSubspace/simple/OperationMultipleEvalSubspaceSimple_multTransposeImpl.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ OperationMultipleEvalSubspaceSimple()

◆ ~OperationMultipleEvalSubspaceSimple()

Member Function Documentation

◆ getAlignment()

◆ getImplementationName()

◆ multImpl()

◆ multTransposeImpl()

◆ prepare()