This is an N-dimensional grid or an N-dimensional array with memory_traits_inte layout. More...

Detailed Description

template<unsigned int dim, typename T, typename S>
class grid_cpu< dim, T, S, typename memory_traits_inte< T >::type >

This is an N-dimensional grid or an N-dimensional array with memory_traits_inte layout.

it is basically an N-dimensional Cartesian grid

Template Parameters

dim	Dimensionality of the grid
T	type of object the grid store
Mem	memory layout

Definition and allocation of a 3D grid on GPU memory

grid_gpu<3, Point_test<float> > c3(sz);

c3.setMemory();

Access a grid c3 of size sz on each direction

    typedef Point_test<float> P;
    timer t;
    t.start();
    grid_key_dx<3> kk;
    for (size_t i = 0 ; i < sz ; i++)
    {
        for (size_t j = 0 ; j < sz ; j++)
        {
            for (size_t k = 0 ; k < sz ; k++)
            {
                kk.set(i,j,k);
                c3.template get<P::x>(kk) = 1.1f;
                c3.template get<P::y>(kk) = 1.2f;
                c3.template get<P::z>(kk) = 1.3f;
                c3.template get<P::s>(kk) = 1.0f;
                c3.template get<P::v>(kk)[0] = 1.0f;
                c3.template get<P::v>(kk)[1] = 2.0f;
                c3.template get<P::v>(kk)[2] = 3.0f;
                c3.template get<P::t>(kk)[0][0] = 1.0f;
                c3.template get<P::t>(kk)[0][1] = 2.0f;
                c3.template get<P::t>(kk)[0][2] = 3.0f;
                c3.template get<P::t>(kk)[1][0] = 4.0f;
                c3.template get<P::t>(kk)[1][1] = 5.0f;
                c3.template get<P::t>(kk)[1][2] = 6.0f;
                c3.template get<P::t>(kk)[2][0] = 7.0f;
                c3.template get<P::t>(kk)[2][1] = 8.0f;
                c3.template get<P::t>(kk)[2][2] = 9.0f;
            }
        }
    }

Access to an N-dimensional grid with an iterator

    typedef Point_test<float> P;
    grid_key_dx_iterator<dim> key_it = c3.getIterator();
    while (key_it.isNext())
    {
        grid_key_dx<dim> kk = key_it.get();
        c3.template get<P::x>(kk) = 1.1f;
        c3.template get<P::y>(kk) = 1.2f;
        c3.template get<P::z>(kk) = 1.3f;
        c3.template get<P::s>(kk) = 1.0f;
        c3.template get<P::v>(kk)[0] = 1.0f;
        c3.template get<P::v>(kk)[1] = 2.0f;
        c3.template get<P::v>(kk)[2] = 3.0f;
        c3.template get<P::t>(kk)[0][0] = 1.0f;
        c3.template get<P::t>(kk)[0][1] = 2.0f;
        c3.template get<P::t>(kk)[0][2] = 3.0f;
        c3.template get<P::t>(kk)[1][0] = 4.0f;
        c3.template get<P::t>(kk)[1][1] = 5.0f;
        c3.template get<P::t>(kk)[1][2] = 6.0f;
        c3.template get<P::t>(kk)[2][0] = 7.0f;
        c3.template get<P::t>(kk)[2][1] = 8.0f;
        c3.template get<P::t>(kk)[2][2] = 9.0f;
        ++key_it;
    }

Definition at line 28 of file grid_gpu.hpp.

#include <grid_gpu.hpp>

Inheritance diagram for grid_cpu< dim, T, S, typename memory_traits_inte< T >::type >:

Public Types
typedef grid_base_impl< dim, T, S, typename memory_traits_inte < T >::type, memory_traits_inte > ::container	container
	Object container for T, it is the return type of get_o it return a object type trough.

Public Types inherited from grid_base_impl< dim, T, S, memory_traits_inte< T >::type, memory_traits_inte >
typedef memory_traits_inte< T > ::type	layout_type
	memory layout

typedef grid_key_dx< dim >	access_key
	Access key.

typedef T::type	T_type
	boost::vector that describe the data type

typedef int	yes_i_am_grid
	it define that it is a grid

typedef memory_traits_lin < typename T::type >::type	memory_lin
	Definition of the layout.

typedef encapc< dim, T, layout >	container
	Object container for T, it is the return type of get_o it return a object type trough.

typedef T	value_type
	The object type the grid is storing.

Public Member Functions
	grid_cpu () THROW
	Default constructor.

	grid_cpu (const grid_cpu &g) THROW
	create a grid from another grid More...

	grid_cpu (const size_t &sz) THROW
	create a grid of size sz on each direction More...

	grid_cpu (const size_t(&sz)[dim]) THROW
	Constructor allocate memory and give them a representation.

Public Member Functions inherited from grid_base_impl< dim, T, S, memory_traits_inte< T >::type, memory_traits_inte >
void	pack (ExtPreAlloc< S > &mem, Pack_stat &sts) const
	pack a grid selecting the properties to pack More...

void	pack (ExtPreAlloc< S > &mem, grid_key_dx_iterator_sub< dims > &sub_it, Pack_stat &sts)
	Pack the object into the memory given an iterator. More...

void	packRequest (size_t &req) const
	Insert an allocation request into the vector. More...

void	packRequest (grid_key_dx_iterator_sub< dims > &sub, size_t &req)
	Insert an allocation request. More...

void	unpack (ExtPreAlloc< S > &mem, Unpack_stat &ps)
	unpack a grid More...

void	unpack (ExtPreAlloc< S > &mem, grid_key_dx_iterator_sub< dims > &sub_it, Unpack_stat &ps)
	unpack the sub-grid object More...

	grid_base_impl () THROW
	Default constructor.

	grid_base_impl (const grid_base_impl &g) THROW
	create a grid from another grid More...

	grid_base_impl (const size_t &sz) THROW
	create a grid of size sz on each direction More...

	grid_base_impl (const size_t(&sz)[dim]) THROW
	Constructor. More...

	~grid_base_impl () THROW
	Destructor.

grid_base_impl< dim, T, S, layout, memory_traits_inte > &	operator= (const grid_base_impl< dim, T, S, layout, memory_traits_inte > &g)
	It copy a grid. More...

grid_base_impl< dim, T, S, layout, memory_traits_inte > &	operator= (grid_base_impl< dim, T, S, layout, memory_traits_inte > &&g)
	It copy a grid. More...

bool	operator== (const grid_base_impl< dim, T, S, layout, memory_traits_inte > &g)
	Compare two grids. More...

grid_base_impl< dim, T, S, layout, memory_traits_inte >	duplicate () const THROW
	create a duplicated version of the grid More...

const grid_sm< dim, T > &	getGrid () const
	Return the internal grid information. More...

void	setMemory ()
	Create the object that provide memory. More...

void	setMemory (S &m)
	Get the object that provide memory. More...

void *	getPointer ()
	Return a plain pointer to the internal data. More...

const void *	getPointer () const
	Return a plain pointer to the internal data. More...

r_type	get (const grid_key_dx< dim > &v1)
	Get the reference of the selected element. More...

const r_type	get (const grid_key_dx< dim > &v1) const
	Get the const reference of the selected element. More...

r_type	get (const size_t lin_id)
	Get the reference of the selected element. More...

const r_type	get (size_t lin_id) const
	Get the const reference of the selected element. More...

encapc< dim, T, layout >	get_o (const grid_key_dx< dim > &v1)
	Get the of the selected element as a boost::fusion::vector. More...

const encapc< dim, T, layout >	get_o (const grid_key_dx< dim > &v1) const
	Get the of the selected element as a boost::fusion::vector. More...

encapc< dim, T, layout >	get_o (size_t v1)
	Get the of the selected element as a boost::fusion::vector. More...

const encapc< dim, T, layout >	get_o (size_t v1) const
	Get the of the selected element as a boost::fusion::vector. More...

void	fill (unsigned char fl)
	Fill the memory with the selected byte. More...

void	resize (const size_t(&sz)[dim])
	Resize the space. More...

void	remove (size_t key)
	Remove one element valid only on 1D. More...

void	swap (grid_base_impl< dim, T, S, layout, memory_traits_inte > &grid)
	It move the allocated object from one grid to another. More...

void	swap (grid_base_impl< dim, T, S, layout, memory_traits_inte > &&grid)
	It move the allocated object from one grid to another. More...

void	set (grid_key_dx< dim > dx, const encapc< 1, T, Memory > &obj)
	set an element of the grid More...

void	set (grid_key_dx< dim > dx, const T &obj)
	set an element of the grid More...

void	set (const grid_key_dx< dim > &key1, const grid_base_impl< dim, T, S, layout, memory_traits_inte > &g, const grid_key_dx< dim > &key2)
	Set an element of the grid from another element of another grid. More...

void	set (const size_t key1, const grid_base_impl< dim, T, S, layout, memory_traits_inte > &g, const size_t key2)
	Set an element of the grid from another element of another grid. More...

void	set (const grid_key_dx< dim > &key1, const grid_base_impl< dim, T, Mem, layout, memory_traits_inte > &g, const grid_key_dx< dim > &key2)
	Set an element of the grid from another element of another grid. More...

size_t	size () const
	return the size of the grid More...

grid_key_dx_iterator_sub< dim >	getSubIterator (grid_key_dx< dim > &start, grid_key_dx< dim > &stop) const
	Return a sub-grid iterator. More...

grid_key_dx_iterator_sub< dim >	getSubIterator (size_t m)
	Return a sub-grid iterator. More...

grid_key_dx_iterator< dim >	getIterator () const
	Return a grid iterator. More...

grid_key_dx_iterator_sub< dim >	getIterator (const grid_key_dx< dim > &start, const grid_key_dx< dim > &stop) const
	Return a grid iterator over all points included between start and stop point. More...

grid_key_dx_iterator< dim, stencil_offset_compute< dim, Np > >	getIteratorStencil (const grid_key_dx< dim >(&stencil_pnt)[Np]) const
	Return a grid iterator. More...

long int	who ()
	It return the id of structure in the allocation list. More...

Private Types
typedef memory_traits_inte< T > ::type	layout
	grid layout

Additional Inherited Members
Static Public Member Functions inherited from grid_base_impl< dim, T, S, memory_traits_inte< T >::type, memory_traits_inte >
static bool	pack ()

static bool	packRequest ()

static bool	packMem ()

static size_t	packMem (size_t n, size_t e)
	Calculate the memory size required to pack n elements. More...

Static Public Attributes inherited from grid_base_impl< dim, T, S, memory_traits_inte< T >::type, memory_traits_inte >
static constexpr unsigned int	dims
	expose the dimansionality as a static const

Protected Attributes inherited from grid_base_impl< dim, T, S, memory_traits_inte< T >::type, memory_traits_inte >
layout	data_
	Memory layout specification + memory chunk pointer.

grid_sm< dim, T >	g1
	This is a structure that store all information related to the grid and how indexes are linearized.

Constructor & Destructor Documentation

template<unsigned int dim, typename T , typename S >

grid_cpu< dim, T, S, typename memory_traits_inte< T >::type >::grid_cpu ( const grid_cpu< dim, T, S, typename memory_traits_inte< T >::type > & g )

inline

create a grid from another grid

Parameters

g	the grid to copy

Definition at line 50 of file grid_gpu.hpp.

template<unsigned int dim, typename T , typename S >

grid_cpu< dim, T, S, typename memory_traits_inte< T >::type >::grid_cpu ( const size_t & sz )

inline

create a grid of size sz on each direction

Parameters

sz	grid size in each direction

Definition at line 60 of file grid_gpu.hpp.

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

openfpm_data/src/Grid/grid_gpu.hpp

Detailed Description

template<unsigned int dim, typename T, typename S> class grid_cpu< dim, T, S, typename memory_traits_inte< T >::type >

Definition and allocation of a 3D grid on GPU memory

Access a grid c3 of size sz on each direction

Access to an N-dimensional grid with an iterator

Public Types

Public Member Functions

Private Types

Additional Inherited Members

Constructor & Destructor Documentation

template<unsigned int dim, typename T, typename S>
class grid_cpu< dim, T, S, typename memory_traits_inte< T >::type >