bsr.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	bsr_matrix
	Mixed-precision bsr matrix. More...

Typedefs
typedef struct bsr_matrix	bsr_matrix
	Mixed-precision bsr matrix. More...

Functions
bsr_matrix *	bsr_alloc ()
	Create empty bsr matrix. More...
void	bsr_free (bsr_matrix *A)
	Delete bsr matrix. More...
void	bsr_init (bsr_matrix *A, int nrows, int nnz, int b)
	Initialize bsr matrix. More...
void	bsr_vmspumv3 (bsr_matrix *A, const double *x, double *y, double alpha)
	Sparse matrix-vector multiplication in mixed precision. More...
void	bsr_vmspmv3 (bsr_matrix *A, const double *x, double *y)
	Sparse matrix-vector multiplication in mixed precision. More...
void	bsr_vdspmv3 (bsr_matrix *A, const double *x, double *y)
	Sparse matrix-vector multiplication in double precision. More...
void	bsr_downcast (bsr_matrix *M)
	Make single-precision copy of double-precision values. More...
void	bsr_info (bsr_matrix *A)
	Display matrix statistics. More...
void	bsr_sparsity (const bsr_matrix *A, const char *name)
	Display spasity pattern of first few rows. More...
void	bsr_nonzeros (bsr_matrix *A, const char *name)
	Display nonzero blocks of first few rows. More...

Typedef Documentation

bsr_matrix

typedef struct bsr_matrix bsr_matrix

Mixed-precision bsr matrix.

Function Documentation

bsr_alloc()

bsr_matrix * bsr_alloc

(

)

Create empty bsr matrix.

Returns

Pointer to bsr matrix.

Referenced by Opm::MixedMatrixWrapper< Vector >::MixedMatrixWrapper(), Opm::MixedPreconditioner< M, X, Y >::MixedPreconditioner(), and Dune::MixedSolver< X, M >::MixedSolver().

bsr_downcast()

void bsr_downcast

(

bsr_matrix *

M

)

Make single-precision copy of double-precision values.

Parameters

M	Pointer to bsr matrix

Referenced by Dune::MixedSolver< X, M >::apply(), and Opm::MixedMatrixWrapper< Vector >::update().

bsr_free()

void bsr_free

(

bsr_matrix *

A

)

Delete bsr matrix.

Parameters

A	Pointer to bsr matrix.

Referenced by Opm::MixedMatrixWrapper< Vector >::~MixedMatrixWrapper(), Opm::MixedPreconditioner< M, X, Y >::~MixedPreconditioner(), and Dune::MixedSolver< X, M >::~MixedSolver().

bsr_info()

void bsr_info

(

bsr_matrix *

A

)

Display matrix statistics.

Parameters

A	Pointer to bsr matrix

bsr_init()

void bsr_init	(	bsr_matrix *	A,
		int	nrows,
		int	nnz,
		int	b
	)

Initialize bsr matrix.

Parameters

A	Pointer to bsr matrix.
nrows	Number of rows. @apram nnz Number of nonzero blocks.
b	Block size.

Referenced by Opm::MixedMatrixWrapper< Vector >::MixedMatrixWrapper(), Opm::MixedPreconditioner< M, X, Y >::MixedPreconditioner(), and Dune::MixedSolver< X, M >::MixedSolver().

bsr_nonzeros()

void bsr_nonzeros	(	bsr_matrix *	A,
		const char *	name
	)

Display nonzero blocks of first few rows.

Parameters

A	Pointer to bsr matrix
name	String with desired name of bsr_matrix

bsr_sparsity()

void bsr_sparsity	(	const bsr_matrix *	A,
		const char *	name
	)

Display spasity pattern of first few rows.

Parameters

A	Pointer to bsr matrix
name	String with desired name of bsr_matrix

bsr_vdspmv3()

void bsr_vdspmv3	(	bsr_matrix *	A,
		const double *	x,
		double *	y
	)

Sparse matrix-vector multiplication in double precision.

Note

Function is specialized for 3x3 block-sparse matrices.

The dense 3x3 blocks are assumed to be column-major

Function uses AVX2 intrinsics.

Parameters

A	Pointer to bsr matrix.
x	Pointer to input vector.
y	Pointer to output vector.

bsr_vmspmv3()

void bsr_vmspmv3	(	bsr_matrix *	A,
		const double *	x,
		double *	y
	)

Sparse matrix-vector multiplication in mixed precision.

Note

Function is specialized for 3x3 block-sparse matrices.

The dense 3x3 blocks are assumed to be column-major

Function uses AVX2 intrinsics.

Parameters

A	Pointer to bsr matrix.
x	Pointer to input vector.
y	Pointer to output vector.

Referenced by Opm::MixedMatrixWrapper< Vector >::mv().

bsr_vmspumv3()

void bsr_vmspumv3	(	bsr_matrix *	A,
		const double *	x,
		double *	y,
		double	alpha
	)

Sparse matrix-vector multiplication in mixed precision.

Note

Function is specialized for 3x3 block-sparse matrices.

Function uses AVX2 intrinsics.

Parameters

A	Pointer to bsr matrix.
x	Pointer to input vector.
y	Pointer to output vector.

Referenced by Opm::MixedMatrixWrapper< Vector >::umv(), and Opm::MixedMatrixWrapper< Vector >::usmv().