Opm::WellContributionsCuda Class Reference

#include <cuWellContributions.hpp>

Inheritance diagram for Opm::WellContributionsCuda:

Public Types
enum class	MatrixType { C , D , B }
	StandardWell has C, D and B matrices that need to be copied. More...
using	UMFPackIndex = SuiteSparse_long

Public Member Functions
	~WellContributionsCuda () override
void	setCudaStream (cudaStream_t stream)
void	apply (double *d_x, double *d_y)
unsigned int	getNumWells ()
void	addNumBlocks (unsigned int numBlocks)
void	alloc ()
	Allocate memory for the StandardWells. More...
void	setBlockSize (unsigned int dim, unsigned int dim_wells)
void	setVectorSize (unsigned N)
void	addMatrix (MatrixType type, int *colIndices, double *values, unsigned int val_size)
void	addMultisegmentWellContribution (unsigned int dim, unsigned int dim_wells, unsigned int Mb, std::vector< double > &Bvalues, std::vector< unsigned int > &BcolIndices, std::vector< unsigned int > &BrowPointers, unsigned int DnumBlocks, double *Dvalues, UMFPackIndex *DcolPointers, UMFPackIndex *DrowIndices, std::vector< double > &Cvalues)

Static Public Member Functions
static std::unique_ptr< WellContributions >	create (const std::string &accelerator_mode, bool useWellConn)

Protected Member Functions
void	APIalloc () override
	Allocate memory for the StandardWells. More...
void	APIaddMatrix (MatrixType type, int *colIndices, double *values, unsigned int val_size) override

Protected Attributes
cudaStream_t	stream
double *	d_Cnnzs = nullptr
double *	d_Dnnzs = nullptr
double *	d_Bnnzs = nullptr
int *	d_Ccols = nullptr
int *	d_Bcols = nullptr
double *	d_z1 = nullptr
double *	d_z2 = nullptr
unsigned int *	d_val_pointers = nullptr
double *	h_x = nullptr
double *	h_y = nullptr
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 > >	multisegments

Member Typedef Documentation

UMFPackIndex

using Opm::WellContributions::UMFPackIndex = SuiteSparse_long

inherited

Member Enumeration Documentation

MatrixType

enum class Opm::WellContributions::MatrixType

stronginherited

StandardWell has C, D and B matrices that need to be copied.

Enumerator
C
D
B

Constructor & Destructor Documentation

~WellContributionsCuda()

Opm::WellContributionsCuda::~WellContributionsCuda ( )

override

Member Function Documentation

addMatrix()

void Opm::WellContributions::addMatrix ( MatrixType  type, int *  colIndices, double *  values, unsigned int  val_size  )

inherited

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

addMultisegmentWellContribution()

void Opm::WellContributions::addMultisegmentWellContribution ( unsigned int  dim, unsigned int  dim_wells, unsigned int  Mb, std::vector< double > &  Bvalues, std::vector< unsigned int > &  BcolIndices, std::vector< unsigned int > &  BrowPointers, unsigned int  DnumBlocks, double *  Dvalues, UMFPackIndex *  DcolPointers, UMFPackIndex *  DrowIndices, std::vector< double > &  Cvalues  )

inherited

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

Parameters

[in]	dim	size of blocks in vectors x and y, equal to MultisegmentWell::numEq
[in]	dim_wells	size of blocks of C, B and D, equal to MultisegmentWell::numWellEq
[in]	Mb	number of blockrows in C, B and D
[in]	Bvalues	nonzero values of matrix B
[in]	BcolIndices	columnindices of blocks of matrix B
[in]	BrowPointers	rowpointers of matrix B
[in]	DnumBlocks	number of blocks in D
[in]	Dvalues	nonzero values of matrix D
[in]	DcolPointers	columnpointers of matrix D
[in]	DrowIndices	rowindices of matrix D
[in]	Cvalues	nonzero values of matrix C

addNumBlocks()

void Opm::WellContributions::addNumBlocks ( unsigned int  numBlocks )

inherited

Indicate how large the next StandardWell is, this function cannot be called after alloc() is called

Parameters

[in]

numBlocks

number of blocks in C and B of next StandardWell

Referenced by Opm::BlackoilWellModel< TypeTag >::getWellContributions().

alloc()

void Opm::WellContributions::alloc ( )

inherited

Allocate memory for the StandardWells.

Referenced by Opm::BlackoilWellModel< TypeTag >::getWellContributions().

APIaddMatrix()

void Opm::WellContributionsCuda::APIaddMatrix ( MatrixType  type, int *  colIndices, double *  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

Reimplemented from Opm::WellContributions.

APIalloc()

void Opm::WellContributionsCuda::APIalloc ( )

overrideprotectedvirtual

Allocate memory for the StandardWells.

Reimplemented from Opm::WellContributions.

apply()

void Opm::WellContributionsCuda::apply	(	double *	d_x,
		double *	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

create()

static std::unique_ptr< WellContributions > Opm::WellContributions::create ( const std::string &  accelerator_mode, bool  useWellConn  )

staticinherited

getNumWells()

unsigned int Opm::WellContributions::getNumWells ( )

inlineinherited

References Opm::WellContributions::num_ms_wells, and Opm::WellContributions::num_std_wells.

setBlockSize()

void Opm::WellContributions::setBlockSize ( unsigned int  dim, unsigned int  dim_wells  )

inherited

Indicate how large the blocks of the StandardWell (C and B) are

Parameters

[in]	dim	number of columns
[in]	dim_wells	number of rows

Referenced by Opm::BlackoilWellModel< TypeTag >::getWellContributions().

setCudaStream()

void Opm::WellContributionsCuda::setCudaStream

(

cudaStream_t

stream

)

Set a cudaStream to be used

Parameters

[in]

stream

the cudaStream that is used to launch the kernel in

setVectorSize()

void Opm::WellContributions::setVectorSize ( unsigned  N )

inherited

Set size of vector that the wells are applied to

Parameters

[in]

N

size of vector

Member Data Documentation

allocated

bool Opm::WellContributions::allocated = false

protectedinherited

d_Bcols

int* Opm::WellContributionsCuda::d_Bcols = nullptr

protected

d_Bnnzs

double* Opm::WellContributionsCuda::d_Bnnzs = nullptr

protected

d_Ccols

int* Opm::WellContributionsCuda::d_Ccols = nullptr

protected

d_Cnnzs

double* Opm::WellContributionsCuda::d_Cnnzs = nullptr

protected

d_Dnnzs

double* Opm::WellContributionsCuda::d_Dnnzs = nullptr

protected

d_val_pointers

unsigned int* Opm::WellContributionsCuda::d_val_pointers = nullptr

protected

d_z1

double* Opm::WellContributionsCuda::d_z1 = nullptr

protected

d_z2

double* Opm::WellContributionsCuda::d_z2 = nullptr

protected

dim

unsigned int Opm::WellContributions::dim

protectedinherited

dim_wells

unsigned int Opm::WellContributions::dim_wells

protectedinherited

h_x

double* Opm::WellContributionsCuda::h_x = nullptr

protected

h_y

double* Opm::WellContributionsCuda::h_y = nullptr

protected

multisegments

std::vector<std::unique_ptr<MultisegmentWellContribution> > Opm::WellContributions::multisegments

protectedinherited

N

unsigned int Opm::WellContributions::N

protectedinherited

num_blocks

unsigned int Opm::WellContributions::num_blocks = 0

protectedinherited

num_blocks_so_far

unsigned int Opm::WellContributions::num_blocks_so_far = 0

protectedinherited

num_ms_wells

unsigned int Opm::WellContributions::num_ms_wells = 0

protectedinherited

Referenced by Opm::WellContributions::getNumWells().

num_std_wells

unsigned int Opm::WellContributions::num_std_wells = 0

protectedinherited

Referenced by Opm::WellContributions::getNumWells().

num_std_wells_so_far

unsigned int Opm::WellContributions::num_std_wells_so_far = 0

protectedinherited

stream

cudaStream_t Opm::WellContributionsCuda::stream

protected

val_pointers

std::vector<unsigned int> Opm::WellContributions::val_pointers

protectedinherited

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

• cuWellContributions.hpp