Ifpack2::BlockTriDiContainerDetails Namespace Reference

Classes
struct	ImplNotAvailTag
struct	ImplObject
	forward declaration More...
struct	BlockTridiagScalarType
struct	is_cuda
struct	ArrayValueType
struct	SumReducer
struct	ImplType
struct	BlockTridiags
struct	AmD
struct	ExtractAndFactorizeTridiagsDefaultModeAndAlgo
struct	MultiVectorConverter
struct	SolveTridiagsDefaultModeAndAlgo
struct	NormManager

Typedefs
using	do_not_initialize_tag = Kokkos::ViewAllocateWithoutInitializing
	for the next promotion More...

Functions
template<typename CommPtrType >
std::string	get_msg_prefix (const CommPtrType &comm)
template<typename MatrixType >
Teuchos::RCP< const typename ImplType< MatrixType > ::tpetra_import_type >	createBlockCrsTpetraImporter (const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &A)
template<typename MatrixType >
Teuchos::RCP< AsyncableImport < MatrixType > >	createBlockCrsAsyncImporter (const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &A)
template<typename MatrixType >
PartInterface< MatrixType >	createPartInterface (const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &A, const Teuchos::Array< Teuchos::Array< typename ImplType< MatrixType >::local_ordinal_type > > &partitions)
template<typename MatrixType >
BlockTridiags< MatrixType >	createBlockTridiags (const PartInterface< MatrixType > &interf)
template<typename MatrixType >
void	performSymbolicPhase (const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &A, const PartInterface< MatrixType > &interf, BlockTridiags< MatrixType > &btdm, AmD< MatrixType > &amd, const bool overlap_communication_and_computation)
template<typename MatrixType >
void	performNumericPhase (const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &A, const PartInterface< MatrixType > &interf, BlockTridiags< MatrixType > &btdm, const typename ImplType< MatrixType >::magnitude_type tiny)
static int	ComputeResidualVectorRecommendedCudaVectorSize (const int blksize, const int team_size)
template<typename MatrixType >
int	applyInverseJacobi (const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &A, const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_import_type > &tpetra_importer, const Teuchos::RCP< AsyncableImport< MatrixType > > &async_importer, const bool overlap_communication_and_computation, const typename ImplType< MatrixType >::tpetra_multivector_type &X, typename ImplType< MatrixType >::tpetra_multivector_type &Y, typename ImplType< MatrixType >::tpetra_multivector_type &Z, typename ImplType< MatrixType >::impl_scalar_type_1d_view &W, const PartInterface< MatrixType > &interf, const BlockTridiags< MatrixType > &btdm, const AmD< MatrixType > &amd, typename ImplType< MatrixType >::vector_type_1d_view &work, NormManager< MatrixType > &norm_manager, const typename ImplType< MatrixType >::impl_scalar_type &damping_factor, bool is_y_zero, const int max_num_sweeps, const typename ImplType< MatrixType >::magnitude_type tol, const int check_tol_every)

Detailed Description

Impl Tag

Typedef Documentation

using Ifpack2::BlockTriDiContainerDetails::do_not_initialize_tag = typedef Kokkos::ViewAllocateWithoutInitializing

for the next promotion

view decorators for unmanaged and const memory

Function Documentation

template<typename CommPtrType >

std::string Ifpack2::BlockTriDiContainerDetails::get_msg_prefix

(

const CommPtrType &

comm

)

utility functions

template<typename MatrixType >

Teuchos::RCP<const typename ImplType<MatrixType>::tpetra_import_type> Ifpack2::BlockTriDiContainerDetails::createBlockCrsTpetraImporter

(

const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &

A

)

setup sequential importer

template<typename MatrixType >

Teuchos::RCP<AsyncableImport<MatrixType> > Ifpack2::BlockTriDiContainerDetails::createBlockCrsAsyncImporter

(

const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &

A

)

setup async importer

template<typename MatrixType >

PartInterface<MatrixType> Ifpack2::BlockTriDiContainerDetails::createPartInterface	(	const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &	A,
		const Teuchos::Array< Teuchos::Array< typename ImplType< MatrixType >::local_ordinal_type > > &	partitions
	)

setup part interface using the container partitions array

template<typename MatrixType >

BlockTridiags<MatrixType> Ifpack2::BlockTriDiContainerDetails::createBlockTridiags

(

const PartInterface< MatrixType > &

interf

)

block tridiags initialization from part interface

template<typename MatrixType >

void Ifpack2::BlockTriDiContainerDetails::performSymbolicPhase	(	const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &	A,
		const PartInterface< MatrixType > &	interf,
		BlockTridiags< MatrixType > &	btdm,
		AmD< MatrixType > &	amd,
		const bool	overlap_communication_and_computation
	)

symbolic phase, on host : create R = A - D, pack D

template<typename MatrixType >

void Ifpack2::BlockTriDiContainerDetails::performNumericPhase	(	const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &	A,
		const PartInterface< MatrixType > &	interf,
		BlockTridiags< MatrixType > &	btdm,
		const typename ImplType< MatrixType >::magnitude_type	tiny
	)

top level numeric interface

static int Ifpack2::BlockTriDiContainerDetails::ComputeResidualVectorRecommendedCudaVectorSize ( const int  blksize, const int  team_size  )

inlinestatic

compute local residula vector y = b - R x

template<typename MatrixType >

int Ifpack2::BlockTriDiContainerDetails::applyInverseJacobi	(	const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_block_crs_matrix_type > &	A,
		const Teuchos::RCP< const typename ImplType< MatrixType >::tpetra_import_type > &	tpetra_importer,
		const Teuchos::RCP< AsyncableImport< MatrixType > > &	async_importer,
		const bool	overlap_communication_and_computation,
		const typename ImplType< MatrixType >::tpetra_multivector_type &	X,
		typename ImplType< MatrixType >::tpetra_multivector_type &	Y,
		typename ImplType< MatrixType >::tpetra_multivector_type &	Z,
		typename ImplType< MatrixType >::impl_scalar_type_1d_view &	W,
		const PartInterface< MatrixType > &	interf,
		const BlockTridiags< MatrixType > &	btdm,
		const AmD< MatrixType > &	amd,
		typename ImplType< MatrixType >::vector_type_1d_view &	work,
		NormManager< MatrixType > &	norm_manager,
		const typename ImplType< MatrixType >::impl_scalar_type &	damping_factor,
		bool	is_y_zero,
		const int	max_num_sweeps,
		const typename ImplType< MatrixType >::magnitude_type	tol,
		const int	check_tol_every
	)

top level apply interface