viennacl::ocl Namespace Reference

Data Structures
class	backend
	A backend that provides contexts for ViennaCL objects (vector, matrix, etc.). More...
class	command_queue
	A class representing a command queue. More...
class	context
class	device
	A class representing a compute device (e.g. a GPU). More...
class	device_not_found
class	device_not_available
class	compiler_not_available
class	mem_object_allocation_failure
class	out_of_resources
class	out_of_host_memory
class	profiling_info_not_available
class	mem_copy_overlap
class	image_format_mismatch
class	image_format_not_supported
class	build_program_failure
class	map_failure
class	invalid_value
class	invalid_device_type
class	invalid_platform
class	invalid_device
class	invalid_context
class	invalid_queue_properties
class	invalid_command_queue
class	invalid_host_ptr
class	invalid_mem_object
class	invalid_image_format_descriptor
class	invalid_image_size
class	invalid_sampler
class	invalid_binary
class	invalid_build_options
class	invalid_program
class	invalid_program_executable
class	invalid_kernel_name
class	invalid_kernel_definition
class	invalid_kernel
class	invalid_arg_index
class	invalid_arg_value
class	invalid_arg_size
class	invalid_kernel_args
class	invalid_work_dimension
class	invalid_work_group_size
class	invalid_work_item_size
class	invalid_global_offset
class	invalid_event_wait_list
class	invalid_event
class	invalid_operation
class	invalid_gl_object
class	invalid_buffer_size
class	invalid_mip_level
class	invalid_global_work_size
class	invalid_property
class	unknown_error
class	double_precision_not_provided_error
struct	error_checker
	An error reporting class. Template argument is used to avoid problems with external linkage. More...
struct	gpu_tag
struct	cpu_tag
struct	accelerator_tag
struct	default_tag
class	handle_inc_dec_helper
	Helper for OpenCL reference counting used by class handle. More...
struct	handle_inc_dec_helper< cl_mem >
struct	handle_inc_dec_helper< cl_program >
struct	handle_inc_dec_helper< cl_kernel >
struct	handle_inc_dec_helper< cl_command_queue >
struct	handle_inc_dec_helper< cl_context >
class	handle
	Handle class the effectively represents a smart pointer for OpenCL handles. More...
class	kernel
	Represents an OpenCL kernel within ViennaCL. More...
class	local_mem
	A class representing local (shared) OpenCL memory. Typically used as kernel argument. More...
class	platform
class	program
struct	DOUBLE_PRECISION_CHECKER
	Ensures that double precision types are only allocated if it is supported by the device. If double precision is requested for a device not capable of providing that, a double_precision_not_provided_error is thrown. More...
struct	DOUBLE_PRECISION_CHECKER< double >
Functions
viennacl::ocl::context &	current_context ()
	Convenience function for returning the current context.
void	switch_context (long i)
	Convenience function for switching the current context.
void	setup_context (long i, std::vector< cl_device_id > const &devices)
	Convenience function for setting devices for a context.
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)
	Convenience function for setting up a context in ViennaCL from an existing OpenCL context.
void	setup_context (long i, cl_context c, std::vector< cl_device_id > const &devices, std::vector< cl_command_queue > const &queues)
	Convenience function for setting up a context in ViennaCL from an existing OpenCL context.
void	setup_context (long i, cl_context c, cl_device_id d, cl_command_queue q)
	Convenience function for setting up a context in ViennaCL from an existing OpenCL context.
void	set_context_device_type (long i, cl_device_type dev_type)
	Convenience function for setting the default device type for a context.
void	set_context_device_type (long i, viennacl::ocl::gpu_tag)
	Convenience function for setting the default device type for a context to GPUs.
void	set_context_device_type (long i, viennacl::ocl::cpu_tag)
	Convenience function for setting the default device type for a context to CPUs.
void	set_context_device_type (long i, viennacl::ocl::default_tag)
	Convenience function for setting the default device type for a context to the default OpenCL device type.
void	set_context_device_type (long i, viennacl::ocl::accelerator_tag)
	Convenience function for setting the default device type for a context to accelerators.
viennacl::ocl::command_queue &	get_queue ()
	Convenience function for getting the default queue for the currently active device in the active context.
viennacl::ocl::command_queue &	get_queue (viennacl::ocl::device d, unsigned int queue_id=0)
	Convenience function for getting the queue for a particular device in the current active context.
viennacl::ocl::command_queue &	get_queue (cl_device_id dev_id, unsigned int queue_id=0)
	Convenience function for getting the queue for a particular device in the current active context.
viennacl::ocl::kernel &	get_kernel (std::string const &prog_name, std::string const &kernel_name)
	Convenience function for getting the kernel for a particular program from the current active context.
void	switch_device (viennacl::ocl::device &d)
	Convenience function for switching the active device in the current context.
viennacl::ocl::device const &	current_device ()
	Convenience function for returning the active device in the current context.
template<typename KernelType >
void	enqueue (KernelType &k, viennacl::ocl::command_queue const &queue)
	Enqueues a kernel in the provided queue.
template<typename KernelType >
void	enqueue (KernelType &k)
	Convenience function that enqueues the provided kernel into the first queue of the currently active device in the currently active context.

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Function Documentation

viennacl::ocl::context & current_context

(

)

[inline]

Convenience function for returning the current context.

viennacl::ocl::device const & current_device

(

)

[inline]

Convenience function for returning the active device in the current context.

void enqueue	(	KernelType &	k,
		viennacl::ocl::command_queue const &	queue
	)

Enqueues a kernel in the provided queue.

void viennacl::ocl::enqueue

(

KernelType &

k

)

Convenience function that enqueues the provided kernel into the first queue of the currently active device in the currently active context.

viennacl::ocl::kernel& viennacl::ocl::get_kernel	(	std::string const &	prog_name,
		std::string const &	kernel_name
	)			[inline]

Convenience function for getting the kernel for a particular program from the current active context.

viennacl::ocl::command_queue& viennacl::ocl::get_queue	(	cl_device_id	dev_id,
		unsigned int	queue_id = 0
	)			[inline]

Convenience function for getting the queue for a particular device in the current active context.

viennacl::ocl::command_queue& viennacl::ocl::get_queue	(	viennacl::ocl::device	d,
		unsigned int	queue_id = 0
	)			[inline]

Convenience function for getting the queue for a particular device in the current active context.

viennacl::ocl::command_queue& viennacl::ocl::get_queue

(

)

[inline]

Convenience function for getting the default queue for the currently active device in the active context.

void viennacl::ocl::set_context_device_type	(	long	i,
		viennacl::ocl::cpu_tag
	)			[inline]

Convenience function for setting the default device type for a context to CPUs.

void viennacl::ocl::set_context_device_type	(	long	i,
		viennacl::ocl::accelerator_tag
	)			[inline]

Convenience function for setting the default device type for a context to accelerators.

void viennacl::ocl::set_context_device_type	(	long	i,
		viennacl::ocl::gpu_tag
	)			[inline]

Convenience function for setting the default device type for a context to GPUs.

void viennacl::ocl::set_context_device_type	(	long	i,
		viennacl::ocl::default_tag
	)			[inline]

Convenience function for setting the default device type for a context to the default OpenCL device type.

void viennacl::ocl::set_context_device_type	(	long	i,
		cl_device_type	dev_type
	)			[inline]

Convenience function for setting the default device type for a context.

void viennacl::ocl::setup_context	(	long	i,
		std::vector< cl_device_id > const &	devices
	)			[inline]

Convenience function for setting devices for a context.

void viennacl::ocl::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
	)			[inline]

Convenience function for setting up a context in ViennaCL from an existing OpenCL context.

void viennacl::ocl::setup_context	(	long	i,
		cl_context	c,
		std::vector< cl_device_id > const &	devices,
		std::vector< cl_command_queue > const &	queues
	)			[inline]

Convenience function for setting up a context in ViennaCL from an existing OpenCL context.

void viennacl::ocl::setup_context	(	long	i,
		cl_context	c,
		cl_device_id	d,
		cl_command_queue	q
	)			[inline]

Convenience function for setting up a context in ViennaCL from an existing OpenCL context.

void viennacl::ocl::switch_context

(

long

i

)

[inline]

Convenience function for switching the current context.

void viennacl::ocl::switch_device

(

viennacl::ocl::device &

d

)

[inline]

Convenience function for switching the active device in the current context.