Inheritance diagram for Opm::WellContributionsCuda< Scalar >:

Public Member Functions
void	setCudaStream (cudaStream_t stream)
	Set a cudaStream to be used.
void	apply (Scalar d_x, Scalar d_y)
	Apply all Wells in this object performs y -= (C^T * (D^-1 * (B*x))) for all Wells.
Public Member Functions inherited from Opm::WellContributions< Scalar >
unsigned int	getNumWells ()
void	addNumBlocks (unsigned int numBlocks)
	Indicate how large the next StandardWell is, this function cannot be called after alloc() is called.
void	alloc ()
	Allocate memory for the StandardWells.
virtual	~WellContributions ()
	Empty destructor.
void	setBlockSize (unsigned int dim, unsigned int dim_wells)
	Indicate how large the blocks of the StandardWell (C and B) are.
void	setVectorSize (unsigned N)
	Set size of vector that the wells are applied to.
void	addMatrix (MatrixType type, int colIndices, Scalar values, unsigned int val_size)
	Store a matrix in this object, in blocked csr format, can only be called after alloc() is called.
void	addMultisegmentWellContribution (unsigned int dim, unsigned int dim_wells, unsigned int Mb, std::vector< Scalar > &Bvalues, std::vector< unsigned int > &BcolIndices, std::vector< unsigned int > &BrowPointers, unsigned int DnumBlocks, Scalar Dvalues, UMFPackIndex DcolPointers, UMFPackIndex *DrowIndices, std::vector< Scalar > &Cvalues)
	Add a MultisegmentWellContribution, actually creates an object on heap that is destroyed in the destructor Matrices C and B are passed in Blocked CSR, matrix D in CSC.

Protected Types
using	MatrixType = typename WellContributions<Scalar>::MatrixType

Protected Member Functions
void	APIalloc () override
	Allocate memory for the StandardWells.
void	APIaddMatrix (MatrixType type, int colIndices, Scalar values, unsigned int val_size) override
	Store a matrix in this object, in blocked csr format, can only be called after alloc() is called.

Protected Attributes
cudaStream_t	stream
Scalar *	d_Cnnzs = nullptr
Scalar *	d_Dnnzs = nullptr
Scalar *	d_Bnnzs = nullptr
int *	d_Ccols = nullptr
int *	d_Bcols = nullptr
Scalar *	d_z1 = nullptr
Scalar *	d_z2 = nullptr
unsigned int *	d_val_pointers = nullptr
Scalar *	h_x = nullptr
Scalar *	h_y = nullptr
Protected Attributes inherited from Opm::WellContributions< Scalar >
bool	allocated = false
unsigned int	N
unsigned int	dim
unsigned int	dim_wells
unsigned int	num_blocks = 0
unsigned int	num_std_wells = 0
unsigned int	num_ms_wells = 0
unsigned int	num_blocks_so_far = 0
unsigned int	num_std_wells_so_far = 0
std::vector< unsigned int >	val_pointers
std::vector< std::unique_ptr< MultisegmentWellContribution< Scalar > > >	multisegments

Additional Inherited Members
Public Types inherited from Opm::WellContributions< Scalar >
enum class	MatrixType { C , D , B }
	StandardWell has C, D and B matrices that need to be copied.
using	UMFPackIndex = SuiteSparse_long
Static Public Member Functions inherited from Opm::WellContributions< Scalar >
static std::unique_ptr< WellContributions >	create (const std::string &accelerator_mode, bool useWellConn)

Member Function Documentation

◆ APIaddMatrix()

template<class Scalar>

void Opm::WellContributionsCuda< Scalar >::APIaddMatrix	(	MatrixType	type,
		int *	colIndices,
		Scalar *	values,
		unsigned int	val_size )

overrideprotectedvirtual

Store a matrix in this object, in blocked csr format, can only be called after alloc() is called.

Parameters

[in]	type	indicate if C, D or B is sent
[in]	colIndices	columnindices of blocks in C or B, ignored for D
[in]	values	array of nonzeroes
[in]	val_size	number of blocks in C or B, ignored for D

template<class Scalar>

void Opm::WellContributionsCuda< Scalar >::APIalloc ( )

overrideprotectedvirtual

Allocate memory for the StandardWells.

template<class Scalar>

void Opm::WellContributionsCuda< Scalar >::apply	(	Scalar *	d_x,
		Scalar *	d_y )

Apply all Wells in this object performs y -= (C^T * (D^-1 * (B*x))) for all Wells.

Parameters

[in]	d_x	vector x, must be on GPU
[in,out]	d_y	vector y, must be on GPU

template<class Scalar>

void Opm::WellContributionsCuda< Scalar >::setCudaStream ( cudaStream_t stream )

Set a cudaStream to be used.

Parameters

[in] stream the cudaStream that is used to launch the kernel in

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