votca::xtp::CudaMatrix Class Reference

#include <cudamatrix.h>

Collaboration diagram for votca::xtp::CudaMatrix:

Public Member Functions
Index	size () const
Index	rows () const
Index	ld () const
Index	cols () const
double *	data () const
void	reshape (Index rows, Index cols)
CudaMatrixTranspose< CudaMatrix >	transpose () const
CudaMatrixBlock< CudaMatrix >	block (Index rowoffset, Index coloffset, Index rows, Index cols) const
CudaMatrixBlock< CudaMatrix >	row (Index row) const
CudaMatrixBlock< CudaMatrix >	col (Index col) const
CudaMatrixBlock< CudaMatrix >	middleRows (Index rowoffset, Index rows) const
CudaMatrixBlock< CudaMatrix >	middleCols (Index coloffset, Index cols) const
template<class T >
void	copy_to_gpu (const T &m)
template<class T >
	CudaMatrix (const T &matrix, const cudaStream_t &stream)
	CudaMatrix (Index nrows, Index ncols, const cudaStream_t &stream)
void	setZero ()
	operator Eigen::MatrixXd () const

Static Public Member Functions
static constexpr bool	transposed ()

Private Types
using	Unique_ptr_to_GPU_data = std::unique_ptr< double, void(*)(double *)>

Private Member Functions
Unique_ptr_to_GPU_data	alloc_matrix_in_gpu (size_t size_arr) const
void	throw_if_not_enough_memory_in_gpu (size_t requested_memory) const
size_t	size_matrix () const

Private Attributes
Unique_ptr_to_GPU_data	data_
cudaStream_t	stream_ = nullptr
Index	ld_
Index	cols_

Friends
std::ostream &	operator<< (std::ostream &out, const CudaMatrix &m)

Detailed Description

Definition at line 104 of file cudamatrix.h.

Member Typedef Documentation

Unique_ptr_to_GPU_data

using votca::xtp::CudaMatrix::Unique_ptr_to_GPU_data = std::unique_ptr<double, void (*)(double *)>

private

Definition at line 179 of file cudamatrix.h.

Constructor & Destructor Documentation

CudaMatrix() [1/2]

template<class T >

votca::xtp::CudaMatrix::CudaMatrix ( const T &  matrix, const cudaStream_t &  stream  )

inline

Definition at line 159 of file cudamatrix.h.

CudaMatrix() [2/2]

votca::xtp::CudaMatrix::CudaMatrix	(	Index	nrows,
		Index	ncols,
		const cudaStream_t &	stream
	)

Definition at line 71 of file cudamatrix.cc.

Member Function Documentation

alloc_matrix_in_gpu()

CudaMatrix::Unique_ptr_to_GPU_data votca::xtp::CudaMatrix::alloc_matrix_in_gpu ( size_t  size_arr ) const

private

Definition at line 87 of file cudamatrix.cc.

block()

CudaMatrixBlock< CudaMatrix > votca::xtp::CudaMatrix::block ( Index  rowoffset, Index  coloffset, Index  rows, Index  cols  ) const

inline

Definition at line 123 of file cudamatrix.h.

col()

CudaMatrixBlock< CudaMatrix > votca::xtp::CudaMatrix::col ( Index  col ) const

inline

Definition at line 132 of file cudamatrix.h.

cols()

Index votca::xtp::CudaMatrix::cols ( ) const

inline

Definition at line 109 of file cudamatrix.h.

copy_to_gpu()

template<class T >

void votca::xtp::CudaMatrix::copy_to_gpu ( const T &  m )

inline

Definition at line 146 of file cudamatrix.h.

data()

double * votca::xtp::CudaMatrix::data ( ) const

inline

Definition at line 110 of file cudamatrix.h.

ld()

Index votca::xtp::CudaMatrix::ld ( ) const

inline

Definition at line 108 of file cudamatrix.h.

middleCols()

CudaMatrixBlock< CudaMatrix > votca::xtp::CudaMatrix::middleCols ( Index  coloffset, Index  cols  ) const

inline

Definition at line 139 of file cudamatrix.h.

middleRows()

CudaMatrixBlock< CudaMatrix > votca::xtp::CudaMatrix::middleRows ( Index  rowoffset, Index  rows  ) const

inline

Definition at line 136 of file cudamatrix.h.

operator Eigen::MatrixXd()

votca::xtp::CudaMatrix::operator Eigen::MatrixXd

(

)

const

Definition at line 77 of file cudamatrix.cc.

reshape()

void votca::xtp::CudaMatrix::reshape ( Index  rows, Index  cols  )

inline

Definition at line 112 of file cudamatrix.h.

row()

CudaMatrixBlock< CudaMatrix > votca::xtp::CudaMatrix::row ( Index  row ) const

inline

Definition at line 128 of file cudamatrix.h.

rows()

Index votca::xtp::CudaMatrix::rows ( ) const

inline

Definition at line 107 of file cudamatrix.h.

setZero()

void votca::xtp::CudaMatrix::setZero

(

)

Definition at line 85 of file cudamatrix.cc.

size()

Index votca::xtp::CudaMatrix::size ( ) const

inline

Definition at line 106 of file cudamatrix.h.

size_matrix()

size_t votca::xtp::CudaMatrix::size_matrix ( ) const

inlineprivate

Definition at line 185 of file cudamatrix.h.

throw_if_not_enough_memory_in_gpu()

void votca::xtp::CudaMatrix::throw_if_not_enough_memory_in_gpu ( size_t  requested_memory ) const

private

Definition at line 97 of file cudamatrix.cc.

transpose()

CudaMatrixTranspose< CudaMatrix > votca::xtp::CudaMatrix::transpose ( ) const

inline

Definition at line 119 of file cudamatrix.h.

transposed()

static constexpr bool votca::xtp::CudaMatrix::transposed ( )

inlinestaticconstexpr

Definition at line 143 of file cudamatrix.h.

Friends And Related Symbol Documentation

operator<<

std::ostream & operator<< ( std::ostream &  out, const CudaMatrix &  m  )

friend

Definition at line 115 of file cudamatrix.cc.

Member Data Documentation

cols_

Index votca::xtp::CudaMatrix::cols_

private

Definition at line 192 of file cudamatrix.h.

data_

Unique_ptr_to_GPU_data votca::xtp::CudaMatrix::data_

private

Initial value:

{nullptr,
                               [](double *x) { checkCuda(cudaFree(x)); }}

Definition at line 188 of file cudamatrix.h.

ld_

Index votca::xtp::CudaMatrix::ld_

private

Definition at line 191 of file cudamatrix.h.

stream_

cudaStream_t votca::xtp::CudaMatrix::stream_ = nullptr

private

Definition at line 190 of file cudamatrix.h.

---

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

• xtp/include/votca/xtp/cudamatrix.h
• xtp/src/libxtp/cudamatrix.cc