Given the decomposition it create an iterator. More...

Detailed Description

template<typename Decomposition, typename deviceGrids, bool ghost_or_domain = false>
class grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >

Given the decomposition it create an iterator.

Iterator across the local elements of the distributed grid

Template Parameters

dec	Decomposition type

Definition at line 60 of file grid_dist_id_iterator_gpu.cuh.

Public Member Functions
	grid_dist_id_iterator_gpu (deviceGrids &loc_grids, Decomposition &dec, const size_t(&sz)[Decomposition::dims])
	Copy operator=.

	grid_dist_id_iterator_gpu (deviceGrids &loc_grids, Decomposition &dec, const size_t(&sz)[Decomposition::dims], grid_key_dx< Decomposition::dims > start, grid_key_dx< Decomposition::dims > stop)
	Constructor of the distributed grid iterator.

void	setGPUInsertBuffer (int nSlot)
	The the number of maximum inserts each GPU block can do.

void	setBlockThreads (size_t nthr)
	Set the number of threads for each block.

bool	isNextGrid ()
	Return true if we point to a valid grid.

size_t	getGridId ()
	Return the index of the grid in which we are iterating.

void	nextGrid ()
	next grid

Decomposition::stype	getSpacing (size_t i)
	Get the spacing of the grid.

template<unsigned int impl = 0, typename func_t , typename ... argsType>
void	launch (func_t functor, argsType ... args)
	Launch a functor with a particular kernel.

grid_key_dx< Decomposition::dims >	getStart ()
	Get the starting point of the sub-grid we are iterating.

grid_key_dx< Decomposition::dims >	getStop ()
	Get the starting point of the sub-grid we are iterating.

Private Attributes
size_t	g_c
	grid list counter

openfpm::vector< GBoxes< Decomposition::dims > >	gdb_ext
	Extension of each grid: domain and ghost + domain.

grid_key_dx< Decomposition::dims >	start
	start key

grid_key_dx< Decomposition::dims >	stop
	stop key

deviceGrids &	loc_grids
	Local device grids.

size_t	n_thr
	number of threads to launch the kernels

int	nSlot = -1
	Maximum number of insertions for each GPU block.

Decomposition::stype	spacing [Decomposition::dims]
	Spacing.

Constructor & Destructor Documentation

◆ grid_dist_id_iterator_gpu() [1/2]

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::grid_dist_id_iterator_gpu	(	deviceGrids &	loc_grids,
		Decomposition &	dec,
		const size_t(&)	sz[Decomposition::dims]
	)

inline

Copy operator=.

Parameters

tmp	iterator to copy

Returns: itself

Copy constructor

Parameters

tmp	iterator to copy

Constructor of the distributed grid iterator

Parameters

dec	Decomposition
sz	size of the grid

Definition at line 124 of file grid_dist_id_iterator_gpu.cuh.

◆ grid_dist_id_iterator_gpu() [2/2]

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::grid_dist_id_iterator_gpu	(	deviceGrids &	loc_grids,
		Decomposition &	dec,
		const size_t(&)	sz[Decomposition::dims],
		grid_key_dx< Decomposition::dims >	start,
		grid_key_dx< Decomposition::dims >	stop
	)

inline

Constructor of the distributed grid iterator.

Parameters

dec	Decomposition
sz	size of the grid
start	point
stop	point

Definition at line 146 of file grid_dist_id_iterator_gpu.cuh.

◆ ~grid_dist_id_iterator_gpu()

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::~grid_dist_id_iterator_gpu ( )

inline

Definition at line 156 of file grid_dist_id_iterator_gpu.cuh.

Member Function Documentation

◆ getGridId()

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

size_t grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::getGridId ( )

inline

Return the index of the grid in which we are iterating.

Definition at line 194 of file grid_dist_id_iterator_gpu.cuh.

◆ getSpacing()

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

Decomposition::stype grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::getSpacing ( size_t i )

inline

Get the spacing of the grid.

Parameters

i

Definition at line 214 of file grid_dist_id_iterator_gpu.cuh.

◆ getStart()

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

grid_key_dx< Decomposition::dims > grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::getStart ( )

inline

Get the starting point of the sub-grid we are iterating.

Returns: the starting point

Definition at line 293 of file grid_dist_id_iterator_gpu.cuh.

◆ getStop()

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

grid_key_dx< Decomposition::dims > grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::getStop ( )

inline

Get the starting point of the sub-grid we are iterating.

Returns: the stop point

Definition at line 303 of file grid_dist_id_iterator_gpu.cuh.

◆ isNextGrid()

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

bool grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::isNextGrid ( )

inline

Return true if we point to a valid grid.

Returns: true if valid grid

Definition at line 185 of file grid_dist_id_iterator_gpu.cuh.

◆ launch()

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

template<unsigned int impl = 0, typename func_t , typename ... argsType>

void grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::launch	(	func_t	functor,
		argsType ...	args
	)

inline

Launch a functor with a particular kernel.

Parameters

functor	function kernel
argsType	arguments

Definition at line 226 of file grid_dist_id_iterator_gpu.cuh.

◆ nextGrid()

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

void grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::nextGrid ( )

inline

next grid

Definition at line 203 of file grid_dist_id_iterator_gpu.cuh.

◆ setBlockThreads()

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

void grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::setBlockThreads ( size_t nthr )

inline

Set the number of threads for each block.

Parameters

nthr	number of threads for each block

Definition at line 175 of file grid_dist_id_iterator_gpu.cuh.

◆ setGPUInsertBuffer()

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

void grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::setGPUInsertBuffer ( int nSlot )

inline

The the number of maximum inserts each GPU block can do.

Parameters

nSlot maximum number of insert

Definition at line 165 of file grid_dist_id_iterator_gpu.cuh.

Field Documentation

◆ g_c

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

size_t grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::g_c

private

grid list counter

Definition at line 63 of file grid_dist_id_iterator_gpu.cuh.

◆ gdb_ext

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

openfpm::vector<GBoxes<Decomposition::dims> > grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::gdb_ext

private

Extension of each grid: domain and ghost + domain.

Definition at line 66 of file grid_dist_id_iterator_gpu.cuh.

◆ loc_grids

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

deviceGrids& grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::loc_grids

private

Local device grids.

Definition at line 75 of file grid_dist_id_iterator_gpu.cuh.

◆ n_thr

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

size_t grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::n_thr

private

number of threads to launch the kernels

Definition at line 78 of file grid_dist_id_iterator_gpu.cuh.

◆ nSlot

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

int grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::nSlot = -1

private

Maximum number of insertions for each GPU block.

Definition at line 81 of file grid_dist_id_iterator_gpu.cuh.

◆ spacing

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

Decomposition::stype grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::spacing[Decomposition::dims]

private

Spacing.

Definition at line 84 of file grid_dist_id_iterator_gpu.cuh.

◆ start

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

grid_key_dx<Decomposition::dims> grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::start

private

start key

Definition at line 69 of file grid_dist_id_iterator_gpu.cuh.

◆ stop

template<typename Decomposition , typename deviceGrids , bool ghost_or_domain = false>

grid_key_dx<Decomposition::dims> grid_dist_id_iterator_gpu< Decomposition, deviceGrids, ghost_or_domain >::stop

private

stop key

Definition at line 72 of file grid_dist_id_iterator_gpu.cuh.

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

src/Grid/cuda/grid_dist_id_iterator_gpu.cuh

Detailed Description

Public Member Functions

Private Attributes

Constructor & Destructor Documentation

◆ grid_dist_id_iterator_gpu() [1/2]

◆ grid_dist_id_iterator_gpu() [2/2]

◆ ~grid_dist_id_iterator_gpu()

Member Function Documentation

◆ getGridId()

◆ getSpacing()

◆ getStart()

◆ getStop()

◆ isNextGrid()

◆ launch()

◆ nextGrid()

◆ setBlockThreads()

◆ setGPUInsertBuffer()

Field Documentation

◆ g_c

◆ gdb_ext

◆ loc_grids

◆ n_thr

◆ nSlot

◆ spacing

◆ start

◆ stop