Functions
template<typename NumericT >
void	amg_influence_trivial (compressed_matrix< NumericT > const &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
	Routine for taking all connections in the matrix as strong. More...

template<typename NumericT >
void	amg_influence_advanced (compressed_matrix< NumericT > const &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
	Routine for extracting strongly connected points considering a user-provided threshold value. More...

template<typename NumericT >
void	amg_influence (compressed_matrix< NumericT > const &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
	Dispatcher for influence processing. More...

void	enumerate_coarse_points (viennacl::linalg::detail::amg::amg_level_context &amg_context)
	Assign IDs to coarse points. More...

template<typename NumericT >
void	amg_coarse_ag_stage1_mis2 (compressed_matrix< NumericT > const &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
	AG (aggregation based) coarsening, single-threaded version of stage 1. More...

template<typename NumericT >
void	amg_coarse_ag (compressed_matrix< NumericT > const &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
	AG (aggregation based) coarsening. Partially single-threaded version (VIENNACL_AMG_COARSE_AG) More...

template<typename InternalT1 >
void	amg_coarse (InternalT1 &A, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
	Calls the right coarsening procedure. More...

template<typename NumericT >
void	amg_interpol_ag (compressed_matrix< NumericT > const &A, compressed_matrix< NumericT > &P, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
	AG (aggregation based) interpolation. Multi-Threaded! (VIENNACL_INTERPOL_SA) More...

template<typename NumericT >
void	amg_interpol_sa (compressed_matrix< NumericT > const &A, compressed_matrix< NumericT > &P, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
	Smoothed aggregation interpolation. (VIENNACL_INTERPOL_SA) More...

template<typename MatrixT >
void	amg_interpol (MatrixT const &A, MatrixT &P, viennacl::linalg::detail::amg::amg_level_context &amg_context, viennacl::linalg::amg_tag &tag)
	Dispatcher for building the interpolation matrix. More...

template<typename NumericT , unsigned int AlignmentV>
void	assign_to_dense (viennacl::compressed_matrix< NumericT, AlignmentV > const &A, viennacl::matrix_base< NumericT > &B)

template<typename NumericT >
void	smooth_jacobi (unsigned int iterations, compressed_matrix< NumericT > const &A, vector< NumericT > &x, vector< NumericT > &x_backup, vector< NumericT > const &rhs_smooth, NumericT weight)
	Jacobi Smoother (OpenCL version) More...

Function Documentation

template<typename InternalT1 >

void viennacl::linalg::opencl::amg::amg_coarse	(	InternalT1 &	A,
		viennacl::linalg::detail::amg::amg_level_context &	amg_context,
		viennacl::linalg::amg_tag &	tag
	)

Calls the right coarsening procedure.

Parameters

A	Operator matrix on all levels
amg_context	AMG hierarchy datastructures
tag	AMG preconditioner tag

Definition at line 286 of file amg_operations.hpp.

template<typename NumericT >

void viennacl::linalg::opencl::amg::amg_coarse_ag	(	compressed_matrix< NumericT > const &	A,
		viennacl::linalg::detail::amg::amg_level_context &	amg_context,
		viennacl::linalg::amg_tag &	tag
	)

AG (aggregation based) coarsening. Partially single-threaded version (VIENNACL_AMG_COARSE_AG)

Parameters

A	Operator matrix
amg_context	AMG hierarchy datastructures
tag	AMG preconditioner tag

Definition at line 224 of file amg_operations.hpp.

template<typename NumericT >

void viennacl::linalg::opencl::amg::amg_coarse_ag_stage1_mis2	(	compressed_matrix< NumericT > const &	A,
		viennacl::linalg::detail::amg::amg_level_context &	amg_context,
		viennacl::linalg::amg_tag &	tag
	)

AG (aggregation based) coarsening, single-threaded version of stage 1.

Parameters

A	Operator matrix on all levels
amg_context	AMG hierarchy datastructures
tag	AMG preconditioner tag

Definition at line 128 of file amg_operations.hpp.

template<typename NumericT >

void viennacl::linalg::opencl::amg::amg_influence	(	compressed_matrix< NumericT > const &	A,
		viennacl::linalg::detail::amg::amg_level_context &	amg_context,
		viennacl::linalg::amg_tag &	tag
	)

Dispatcher for influence processing.

Definition at line 82 of file amg_operations.hpp.

template<typename NumericT >

void viennacl::linalg::opencl::amg::amg_influence_advanced	(	compressed_matrix< NumericT > const &	A,
		viennacl::linalg::detail::amg::amg_level_context &	amg_context,
		viennacl::linalg::amg_tag &	tag
	)

Routine for extracting strongly connected points considering a user-provided threshold value.

Definition at line 71 of file amg_operations.hpp.

template<typename NumericT >

void viennacl::linalg::opencl::amg::amg_influence_trivial	(	compressed_matrix< NumericT > const &	A,
		viennacl::linalg::detail::amg::amg_level_context &	amg_context,
		viennacl::linalg::amg_tag &	tag
	)

Routine for taking all connections in the matrix as strong.

Definition at line 48 of file amg_operations.hpp.

template<typename MatrixT >

void viennacl::linalg::opencl::amg::amg_interpol	(	MatrixT const &	A,
		MatrixT &	P,
		viennacl::linalg::detail::amg::amg_level_context &	amg_context,
		viennacl::linalg::amg_tag &	tag
	)

Dispatcher for building the interpolation matrix.

Parameters

A	Operator matrix
P	Prolongation matrix
amg_context	AMG hierarchy datastructures
tag	AMG configuration tag

Definition at line 385 of file amg_operations.hpp.

template<typename NumericT >

void viennacl::linalg::opencl::amg::amg_interpol_ag	(	compressed_matrix< NumericT > const &	A,
		compressed_matrix< NumericT > &	P,
		viennacl::linalg::detail::amg::amg_level_context &	amg_context,
		viennacl::linalg::amg_tag &	tag
	)

AG (aggregation based) interpolation. Multi-Threaded! (VIENNACL_INTERPOL_SA)

Parameters

A	Operator matrix
P	Prolongation matrix
amg_context	AMG hierarchy datastructures
tag	AMG configuration tag

Definition at line 311 of file amg_operations.hpp.

template<typename NumericT >

void viennacl::linalg::opencl::amg::amg_interpol_sa	(	compressed_matrix< NumericT > const &	A,
		compressed_matrix< NumericT > &	P,
		viennacl::linalg::detail::amg::amg_level_context &	amg_context,
		viennacl::linalg::amg_tag &	tag
	)

Smoothed aggregation interpolation. (VIENNACL_INTERPOL_SA)

Parameters

A	Operator matrix
P	Prolongation matrix
amg_context	AMG hierarchy datastructures
tag	AMG configuration tag

Definition at line 343 of file amg_operations.hpp.

template<typename NumericT , unsigned int AlignmentV>

void viennacl::linalg::opencl::amg::assign_to_dense	(	viennacl::compressed_matrix< NumericT, AlignmentV > const &	A,
		viennacl::matrix_base< NumericT > &	B
	)

Assign sparse matrix A to dense matrix B

Definition at line 400 of file amg_operations.hpp.

void viennacl::linalg::opencl::amg::enumerate_coarse_points ( viennacl::linalg::detail::amg::amg_level_context & amg_context )

inline

Assign IDs to coarse points.

TODO: Use exclusive_scan on GPU for this.

Definition at line 96 of file amg_operations.hpp.

template<typename NumericT >

void viennacl::linalg::opencl::amg::smooth_jacobi	(	unsigned int	iterations,
		compressed_matrix< NumericT > const &	A,
		vector< NumericT > &	x,
		vector< NumericT > &	x_backup,
		vector< NumericT > const &	rhs_smooth,
		NumericT	weight
	)

Jacobi Smoother (OpenCL version)

Parameters

iterations	Number of smoother iterations
A	Operator matrix for the smoothing
x	The vector smoothing is applied to
x_backup	(Different) Vector holding the same values as x
rhs_smooth	The right hand side of the equation for the smoother
weight	Damping factor. 0: No effect of smoother. 1: Undamped Jacobi iteration

Definition at line 427 of file amg_operations.hpp.

Functions

Function Documentation