slate::internal::DevVector< scalar_t > Class Template Reference

A simple vector class for GPU memory, loosely based on std::vector. More...

#include <DevVector.hh>

Public Member Functions
	DevVector ()
	Constructs empty vector.
	DevVector (size_t in_size, int device, blas::Queue &queue)
	Constructs vector, allocating in_size elements on device.
	~DevVector ()
	Destroys vector, freeing memory.
void	clear (blas::Queue &queue)
void	resize (size_t in_size, int device, blas::Queue &queue)
	Frees existing memory and allocates new memory for in_size elements on device.
scalar_t &	operator[] (size_t i)
scalar_t *	data ()
size_t	size () const
bool	empty () const

Detailed Description

template<typename scalar_t>
class slate::internal::DevVector< scalar_t >

A simple vector class for GPU memory, loosely based on std::vector.

Constructor & Destructor Documentation

DevVector() [1/2]

template<typename scalar_t >

slate::internal::DevVector< scalar_t >::DevVector ( )

inline

Constructs empty vector.

No memory is allocated, the data pointer is null.

DevVector() [2/2]

template<typename scalar_t >

slate::internal::DevVector< scalar_t >::DevVector ( size_t  in_size, int  device, blas::Queue &  queue  )

inline

Constructs vector, allocating in_size elements on device.

Unlike std::vector, elements are uninitialized. todo: should this take queue instead of device, for SYCL?

Member Function Documentation

data()

template<typename scalar_t >

scalar_t * slate::internal::DevVector< scalar_t >::data ( )

inline

Returns

underlying array.

empty()

template<typename scalar_t >

bool slate::internal::DevVector< scalar_t >::empty ( ) const

inline

Returns

whether the vector is empty (size == 0).

operator[]()

template<typename scalar_t >

scalar_t & slate::internal::DevVector< scalar_t >::operator[] ( size_t  i )

inline

Returns

reference to element i. Since the element is on the GPU, it can't be dereferenced; this is really only useful for taking addresses: &x[ i ].

resize()

template<typename scalar_t >

void slate::internal::DevVector< scalar_t >::resize ( size_t  in_size, int  device, blas::Queue &  queue  )

inline

Frees existing memory and allocates new memory for in_size elements on device.

Unlike std::vector, this does not copy old elements to new array.

size()

template<typename scalar_t >

size_t slate::internal::DevVector< scalar_t >::size ( ) const

inline

Returns

number of elements in the vector.

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

• src/internal/DevVector.hh