A backend that provides contexts for ViennaCL objects (vector, matrix, etc.) More...

#include <backend.hpp>

Static Public Member Functions
static void	switch_context (long i)
	Switches the current context to the context identified by i. More...

static viennacl::ocl::context &	context (long id)
	Returns the current active context. More...

static viennacl::ocl::context &	current_context ()
	Returns the current active context. More...

static viennacl::ocl::command_queue &	get_queue ()
	Returns the current queue for the active device in the active context. More...

static void	setup_context (long i, std::vector< cl_device_id > const &devices)
	Sets a number of devices for the context. More...

static void	setup_context (long i, cl_context c, std::vector< cl_device_id > const &devices, std::map< cl_device_id, std::vector< cl_command_queue > > const &queues)
	Initializes ViennaCL with an already existing context. More...

static void	setup_context (long i, cl_context c, std::vector< cl_device_id > const &devices, std::vector< cl_command_queue > const &queue)
	Initializes ViennaCL with an already existing context. More...

static void	add_context (long i, viennacl::ocl::context &c)
	Add an existing context object to the backend. More...

static void	set_context_device_type (long i, cl_device_type t)
	Sets the context device type. More...

static void	set_context_device_num (long i, vcl_size_t num)
	Sets the maximum number of devices per context. Ignored if a device array is provided as well. More...

static void	set_context_platform_index (long i, vcl_size_t pf_index)
	Sets the context device type. More...

Detailed Description

template<bool dummy = false>
class viennacl::ocl::backend< dummy >

A backend that provides contexts for ViennaCL objects (vector, matrix, etc.)

Definition at line 36 of file backend.hpp.

Member Function Documentation

template<bool dummy = false>

static void viennacl::ocl::backend< dummy >::add_context	(	long	i,
		viennacl::ocl::context &	c
	)

inlinestatic

Add an existing context object to the backend.

Definition at line 168 of file backend.hpp.

template<bool dummy = false>

static viennacl::ocl::context& viennacl::ocl::backend< dummy >::context ( long id )

inlinestatic

Returns the current active context.

Definition at line 49 of file backend.hpp.

template<bool dummy = false>

static viennacl::ocl::context& viennacl::ocl::backend< dummy >::current_context ( )

inlinestatic

Returns the current active context.

Definition at line 73 of file backend.hpp.

template<bool dummy = false>

static viennacl::ocl::command_queue& viennacl::ocl::backend< dummy >::get_queue ( )

inlinestatic

Returns the current queue for the active device in the active context.

Definition at line 85 of file backend.hpp.

template<bool dummy = false>

static void viennacl::ocl::backend< dummy >::set_context_device_num	(	long	i,
		vcl_size_t	num
	)

inlinestatic

Sets the maximum number of devices per context. Ignored if a device array is provided as well.

Definition at line 185 of file backend.hpp.

template<bool dummy = false>

static void viennacl::ocl::backend< dummy >::set_context_device_type	(	long	i,
		cl_device_type	t
	)

inlinestatic

Sets the context device type.

Definition at line 179 of file backend.hpp.

template<bool dummy = false>

static void viennacl::ocl::backend< dummy >::set_context_platform_index	(	long	i,
		vcl_size_t	pf_index
	)

inlinestatic

Sets the context device type.

Definition at line 191 of file backend.hpp.

template<bool dummy = false>

static void viennacl::ocl::backend< dummy >::setup_context	(	long	i,
		std::vector< cl_device_id > const &	devices
	)

inlinestatic

Sets a number of devices for the context.

Parameters

i	ID of the context to be set up
devices	A vector of OpenCL device-IDs that should be added to the context

Definition at line 95 of file backend.hpp.

template<bool dummy = false>

static void viennacl::ocl::backend< dummy >::setup_context	(	long	i,
		cl_context	c,
		std::vector< cl_device_id > const &	devices,
		std::map< cl_device_id, std::vector< cl_command_queue > > const &	queues
	)

inlinestatic

Initializes ViennaCL with an already existing context.

Parameters

i	ID of the context to be set up
c	The OpenCL handle of the existing context
devices	A vector of OpenCL device-IDs that should be added to the context
queues	A map of queues for each device

Definition at line 115 of file backend.hpp.

template<bool dummy = false>

static void viennacl::ocl::backend< dummy >::setup_context	(	long	i,
		cl_context	c,
		std::vector< cl_device_id > const &	devices,
		std::vector< cl_command_queue > const &	queue
	)

inlinestatic

Initializes ViennaCL with an already existing context.

Parameters

i	ID of the context to be set up
c	The OpenCL handle of the existing context
devices	A vector of OpenCL device-IDs that should be added to the context
queue	One queue per device

Definition at line 155 of file backend.hpp.

template<bool dummy = false>

static void viennacl::ocl::backend< dummy >::switch_context ( long i )

inlinestatic

Switches the current context to the context identified by i.

Parameters

i	ID of the new active context

Definition at line 43 of file backend.hpp.

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

viennacl/ocl/backend.hpp

Static Public Member Functions

Detailed Description

template<bool dummy = false> class viennacl::ocl::backend< dummy >

Member Function Documentation

template<bool dummy = false>
class viennacl::ocl::backend< dummy >