BEM-Calculations on OpenCL hardware. More...

Data Structures
struct	_bem3d_ocl
	This structure contains geometry information for the OpenCL computation aswell as all OpenCL kernels and buffers for transferring work packages between main memory and GPU memory. More...

struct	_op_callbacks
	Struct of callback functions for different quadrature cases that arise in the nearfield computation. More...

struct	_nearfield_args
	Struct to store the parameters of the nearfield integration routine. More...

struct	_merge_data_nf
	Struct to store input data for multiple calls to nearfield integration routine. More...

Typedefs
typedef struct _bem3d_ocl	bem3d_ocl
	Abbreviation for struct _bem3d_ocl.

typedef bem3d_ocl *	pbem3d_ocl
	Abbreviation for a pointer to a bem3d_ocl object.

typedef enum _op_type	op_type
	Abbreviation for enum _op_type.

typedef struct _op_callbacks	op_callbacks
	Abbreviation for struct _op_callbacks.

typedef struct _nearfield_args	nearfield_args
	Abbreviation for struct _nearfield_args.

typedef struct _merge_data_nf	merge_data_nf
	Abbreviation for struct _merge_data_nf.

Enumerations
enum	_op_type { SLP, DLP }
	Simple Enum to distinguish between different boundary integral operators. More...

Functions
size_t	getsize_nf (void *data)
	returns the current size of taskgroup for nearfield computations. More...

void	cleanup_nf_task (void *data)
	Cleanup intermediate storage for nearfield computation task. More...

void	cleanup_nf_merge (void *data)
	Cleanup intermediate storage from a nearfield computation merge task. More...

void	split_nf_task (void data, void *split, uint n)
	Splits a neafield computation task into smaller tasks. More...

size_t	getsize_nf_sing (void *data)
	returns the current size of taskgroup for singular nearfield computations. More...

void	cleanup_nf_sing_task (void *data)
	Cleanup intermediate storage for singular nearfield computation task. More...

void	cleanup_nf_sing_merge (void *data)
	Cleanup intermediate storage from a singular nearfield computation merge task. More...

void	split_nf_sing_task (void data, void *split, uint n)
	Splits a singular neafield computation task into smaller tasks. More...

void	close_nf_dist (ptaskgroup tg)
	Close collection of task for disjoint triangle pairs. More...

void	close_nf_vert (ptaskgroup tg)
	Close collection of task for triangle pairs with common vertex. More...

void	close_nf_edge (ptaskgroup tg)
	Close collection of task for triangle pairs with common edge. More...

void	close_nf_iden (ptaskgroup tg)
	Close collection of task for identical triangle pairs. More...

void	merge_nf_sing (ptaskgroup tg, void **data)
	Merge a list of singular nearfield computation tasks into a single object. More...

void	distribute_nf_sing (ptaskgroup tg, void *data)
	Distribute computational results to their correct positions in memory. More...

void	add_nf_entry (pcbem3d bem, op_callbacks op_cb, uint c, uint tt, uint ss, bool trans, field entry)
	Adds a single singular entry to the corresponding list. More...

void	close_nf (ptaskgroup tg)
	Close collection of task for nearfield calculations. More...

void	merge_nf (ptaskgroup tg, void **data)
	Merge a list of nearfield computation tasks into a single object. More...

void	distribute_nf (ptaskgroup tg, void *data)
	Distribute computational results to their correct positions in memory. More...

Variables
bem3d_ocl	ocl_bem3d
	Static variable that contains OpenCL buffers and kernels for bem computations.

ptaskgroup	nf
	Global variable for general nearfield tasks.

omp_lock_t	nf_lock
	OpenMP lock for nf.

ptaskgroup	nf_dist
	Global variable for distant triangle pairs.

omp_lock_t	nf_dist_lock
	OpenMP lock for nf_dist.

ptaskgroup	nf_vert
	Global variable for common vertex triangle pairs.

omp_lock_t	nf_vert_lock
	OpenMP lock for nf_vert.

ptaskgroup	nf_edge
	Global variable for common edge triangle pairs.

omp_lock_t	nf_edge_lock
	OpenMP lock for nf_edge.

ptaskgroup	nf_iden
	Global variable for identical triangle pairs.

omp_lock_t	nf_iden_lock
	OpenMP lock for nf_iden.

op_callbacks	op_cb
	Global variable for integral operator callback functions.

Detailed Description

BEM-Calculations on OpenCL hardware.

This modules defines various functions that are needed to compute integrals that arise in the BEM computations on OpenCL hardware, mainly for GPGPUs.

Enumeration Type Documentation

enum _op_type

Simple Enum to distinguish between different boundary integral operators.

Enumerator
SLP	SLP Single layer potential.
DLP	DLP Double layer potential.

Function Documentation

void add_nf_entry	(	pcbem3d	bem,
		op_callbacks *	op_cb,
		uint	c,
		uint	tt,
		uint	ss,
		bool	trans,
		field *	entry
	)

Adds a single singular entry to the corresponding list.

Parameters

bem	bem3d object.
op_cb	Struct of callback functions for all quadrature cases for the current operator.
c	Number of common vertices for the triangle `tt` and `ss`.
tt	First triangle.
ss	Second triangle.
trans	Transposed flag
entry	Memory position where this entry should be stored lateron.

void cleanup_nf_merge ( void * data )

Cleanup intermediate storage from a nearfield computation merge task.

Parameters

data	Pointer to a struct of nearfield_args.

void cleanup_nf_sing_merge ( void * data )

Cleanup intermediate storage from a singular nearfield computation merge task.

Parameters

data	Pointer to a struct of merge_data_nf.

void cleanup_nf_sing_task ( void * data )

Cleanup intermediate storage for singular nearfield computation task.

Parameters

data	Pointer to a struct of merge_data_nf.

void cleanup_nf_task ( void * data )

Cleanup intermediate storage for nearfield computation task.

Parameters

data	Pointer to a struct of nearfield_args.

void close_nf ( ptaskgroup tg )

Close collection of task for nearfield calculations.

Parameters

tg	taskgroup object to be closed.

void close_nf_dist ( ptaskgroup tg )

Close collection of task for disjoint triangle pairs.

Parameters

tg	taskgroup object to be closed.

void close_nf_edge ( ptaskgroup tg )

Close collection of task for triangle pairs with common edge.

Parameters

tg	taskgroup object to be closed.

void close_nf_iden ( ptaskgroup tg )

Close collection of task for identical triangle pairs.

Parameters

tg	taskgroup object to be closed.

void close_nf_vert ( ptaskgroup tg )

Close collection of task for triangle pairs with common vertex.

Parameters

tg	taskgroup object to be closed.

void distribute_nf	(	ptaskgroup	tg,
		void *	data
	)

Distribute computational results to their correct positions in memory.

Parameters

tg	taskgroup to be distributed.
data	Results, that have to be distributed to the tasks in `tg`.

void distribute_nf_sing	(	ptaskgroup	tg,
		void *	data
	)

Distribute computational results to their correct positions in memory.

Parameters

tg	taskgroup to be distributed.
data	Results, that have to be distributed to the tasks in `tg`.

size_t getsize_nf ( void * data )

returns the current size of taskgroup for nearfield computations.

Parameters

data	Pointer to a struct of nearfield_args.

Returns: The current size of a taskgroup.

size_t getsize_nf_sing ( void * data )

returns the current size of taskgroup for singular nearfield computations.

Parameters

data	Pointer to a struct of merge_data_nf.

Returns: The current size of a taskgroup.

void merge_nf	(	ptaskgroup	tg,
		void **	data
	)

Merge a list of nearfield computation tasks into a single object.

Parameters

tg	taskgroup to be merged.
data	Object of type merge_data_nf that is being returned.

void merge_nf_sing	(	ptaskgroup	tg,
		void **	data
	)

Merge a list of singular nearfield computation tasks into a single object.

Parameters

tg	taskgroup to be merged.
data	Object of type merge_data_nf that is being returned.

void split_nf_sing_task	(	void *	data,
		void ***	split,
		uint *	n
	)

Splits a singular neafield computation task into smaller tasks.

Parameters

data	Pointer to a struct of merge_data_nf.
split	Array of smaller subtasks is returned via `splits`.
n	Number of subtasks is returned by `n`.

void split_nf_task	(	void *	data,
		void ***	split,
		uint *	n
	)

Splits a neafield computation task into smaller tasks.

Parameters

data	Pointer to a struct of nearfield_args.
split	Array of smaller subtasks is returned via `splits`.
n	Number of subtasks is returned by `n`.

Data Structures

Typedefs

Enumerations

Functions

Variables

Detailed Description

Enumeration Type Documentation

Function Documentation