skepu::DeviceMemPointer_Matrix_CU< T > Class Template Reference

A class representing a CUDA 2D device memory allocation for Matrix container. More...

#include <device_mem_pointer_matrix_cu.h>

Public Member Functions
	DeviceMemPointer_Matrix_CU (T *start, int rows, int cols, Device_CU *device, bool usePitch=false)
	~DeviceMemPointer_Matrix_CU ()
void	copyHostToDevice (int rows=-1, int cols=-1) const
void	copyDeviceToHost (int rows=-1, int cols=-1) const
T *	getDeviceDataPointer () const
int	getDeviceID () const
void	changeDeviceData ()

Detailed Description

template<typename T>
class skepu::DeviceMemPointer_Matrix_CU< T >

A class representing a CUDA 2D device memory allocation for Matrix container.

Author

Usman Dastgeer

Version

0.7

This class represents a CUDA device memory allocation and controls the data transfers between host and device.

Constructor & Destructor Documentation

template<typename T >

skepu::DeviceMemPointer_Matrix_CU< T >::DeviceMemPointer_Matrix_CU	(	T *	start,
		int	rows,
		int	cols,
		Device_CU *	device,
		bool	usePitch = false
	)

The constructor allocates a certain amount of space in device memory internally as 1D and stores a pointer to same data in host memory.

Parameters

start	Pointer to data in host memory.
rows	Number of rows.
cols	Number of columns.
deviceID	ID of a valid CUDA device to allocate memory on.

References skepu::Device_CU::getDeviceID().

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template<typename T >

skepu::DeviceMemPointer_Matrix_CU< T >::~DeviceMemPointer_Matrix_CU

(

)

The destructor releases the allocated device memory.

Member Function Documentation

template<typename T >

void skepu::DeviceMemPointer_Matrix_CU< T >::changeDeviceData

(

)

Marks the device data as changed.

template<typename T >

void skepu::DeviceMemPointer_Matrix_CU< T >::copyDeviceToHost	(	int	rows = -1,
		int	cols = -1
	)		const

Copies data from device memory to host memory. Only copies if data on device has been marked as changed.

Parameters

rows	Number of rows.
cols	Number of columns.

template<typename T >

void skepu::DeviceMemPointer_Matrix_CU< T >::copyHostToDevice	(	int	rows = -1,
		int	cols = -1
	)		const

Copies data from host memory to device memory.

Parameters

rows	Number of rows.
cols	Number of columns.

template<typename T >

T * skepu::DeviceMemPointer_Matrix_CU< T >::getDeviceDataPointer

(

)

const

Returns

Pointer to device memory.

template<typename T >

int skepu::DeviceMemPointer_Matrix_CU< T >::getDeviceID

(

)

const

Returns

The device ID of the CUDA device that has the allocation.

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

• include/skepu/src/unused_files/device_mem_pointer_matrix_cu.h