Tensor expression object. More...

#include <dist_eval.h>

Public Types
typedef DistEval< Tile, Policy >	DistEval_
	This class type. More...

typedef DistEvalImpl< Tile, Policy >	impl_type
	Implementation base class type. More...

typedef impl_type::size_type	size_type
	Size type. More...

typedef impl_type::trange_type	trange_type
	Tiled range type for this object. More...

typedef impl_type::range_type	range_type
	Range type this tensor. More...

typedef impl_type::shape_type	shape_type
	Tensor shape type. More...

typedef impl_type::pmap_interface	pmap_interface
	Process map interface type. More...

typedef impl_type::value_type	value_type
	Tile type. More...

typedef impl_type::eval_type	eval_type
	Tile evaluation type. More...

typedef Future< value_type >	future
	Future of tile type. More...

Public Member Functions
template<typename Impl >
	DistEval (const std::shared_ptr< Impl > &pimpl)
	Constructor. More...

	DistEval (const DistEval_ &other)
	Copy constructor. More...

DistEval_ &	operator= (const DistEval_ &other)
	Assignment operator. More...

void	eval ()
	Evaluate this tensor object with the given result variable list. More...

const range_type &	range () const
	Tensor tile size array accessor. More...

size_type	size () const
	Tensor tile volume accessor. More...

ProcessID	owner (size_type i) const
	Query a tile owner. More...

bool	is_local (size_type i) const
	Query for a locally owned tile. More...

bool	is_zero (size_type i) const
	Query for a zero tile. More...

const std::shared_ptr< pmap_interface > &	pmap () const
	Tensor process map accessor. More...

bool	is_dense () const
	Query the density of the tensor. More...

const shape_type &	shape () const
	Tensor shape accessor. More...

const trange_type &	trange () const
	Tiled range accessor. More...

future	get (size_type i) const
	Tile move. More...

virtual void	discard (size_type i) const
	Discard a tile that is not needed. More...

World &	world () const
	World object accessor. More...

madness::uniqueidT	id () const
	Unique object id. More...

void	wait () const
	Wait for all local tiles to be evaluated. More...

Detailed Description

template<typename Tile, typename Policy>
class TiledArray::detail::DistEval< Tile, Policy >

Tensor expression object.

This object holds a tensor expression. It is used to store various type of tensor expressions that depend on the pimpl used to construct the expression.

Template Parameters

Tile	The output tile type
Policy	The tensor policy class

Definition at line 241 of file dist_eval.h.

Member Typedef Documentation

◆ DistEval_

template<typename Tile , typename Policy >

typedef DistEval<Tile, Policy> TiledArray::detail::DistEval< Tile, Policy >::DistEval_

This class type.

Definition at line 243 of file dist_eval.h.

◆ eval_type

template<typename Tile , typename Policy >

typedef impl_type::eval_type TiledArray::detail::DistEval< Tile, Policy >::eval_type

Tile evaluation type.

Definition at line 251 of file dist_eval.h.

◆ future

template<typename Tile , typename Policy >

typedef Future<value_type> TiledArray::detail::DistEval< Tile, Policy >::future

Future of tile type.

Definition at line 252 of file dist_eval.h.

◆ impl_type

template<typename Tile , typename Policy >

typedef DistEvalImpl<Tile, Policy> TiledArray::detail::DistEval< Tile, Policy >::impl_type

Implementation base class type.

Definition at line 244 of file dist_eval.h.

◆ pmap_interface

template<typename Tile , typename Policy >

typedef impl_type::pmap_interface TiledArray::detail::DistEval< Tile, Policy >::pmap_interface

Process map interface type.

Definition at line 249 of file dist_eval.h.

◆ range_type

template<typename Tile , typename Policy >

typedef impl_type::range_type TiledArray::detail::DistEval< Tile, Policy >::range_type

Range type this tensor.

Definition at line 247 of file dist_eval.h.

◆ shape_type

template<typename Tile , typename Policy >

typedef impl_type::shape_type TiledArray::detail::DistEval< Tile, Policy >::shape_type

Tensor shape type.

Definition at line 248 of file dist_eval.h.

◆ size_type

template<typename Tile , typename Policy >

typedef impl_type::size_type TiledArray::detail::DistEval< Tile, Policy >::size_type

Size type.

Definition at line 245 of file dist_eval.h.

◆ trange_type

template<typename Tile , typename Policy >

typedef impl_type::trange_type TiledArray::detail::DistEval< Tile, Policy >::trange_type

Tiled range type for this object.

Definition at line 246 of file dist_eval.h.

◆ value_type

template<typename Tile , typename Policy >

typedef impl_type::value_type TiledArray::detail::DistEval< Tile, Policy >::value_type

Tile type.

Definition at line 250 of file dist_eval.h.

Constructor & Destructor Documentation

◆ DistEval() [1/2]

template<typename Tile , typename Policy >

template<typename Impl >

TiledArray::detail::DistEval< Tile, Policy >::DistEval ( const std::shared_ptr< Impl > & pimpl )

inline

Constructor.

Parameters

pimpl A pointer to the expression implementation object

Definition at line 262 of file dist_eval.h.

◆ DistEval() [2/2]

template<typename Tile , typename Policy >

TiledArray::detail::DistEval< Tile, Policy >::DistEval ( const DistEval_ & other )

inline

Copy constructor.

Create a shallow copy of other .

Parameters

other The object to be copied.

Definition at line 272 of file dist_eval.h.

Member Function Documentation

◆ discard()

template<typename Tile , typename Policy >

virtual void TiledArray::detail::DistEval< Tile, Policy >::discard ( size_type i ) const

inlinevirtual

Discard a tile that is not needed.

This function handles the cleanup for tiles that are not needed in subsequent computation.

Parameters

i	The index of the tile

Definition at line 351 of file dist_eval.h.

◆ eval()

template<typename Tile , typename Policy >

void TiledArray::detail::DistEval< Tile, Policy >::eval ( )

inline

Evaluate this tensor object with the given result variable list.

v is the dimension ordering that the parent expression expects. The returned future will be evaluated once the tensor has been evaluated.

Definition at line 288 of file dist_eval.h.

◆ get()

template<typename Tile , typename Policy >

future TiledArray::detail::DistEval< Tile, Policy >::get ( size_type i ) const

inline

Tile move.

Tile is removed after it is set.

Parameters

i	The tile index

Returns: Tile i

Definition at line 344 of file dist_eval.h.

◆ id()

template<typename Tile , typename Policy >

madness::uniqueidT TiledArray::detail::DistEval< Tile, Policy >::id ( ) const

inline

Unique object id.

Returns: The unique id for this object

Definition at line 361 of file dist_eval.h.

◆ is_dense()

template<typename Tile , typename Policy >

bool TiledArray::detail::DistEval< Tile, Policy >::is_dense ( ) const

inline

Query the density of the tensor.

Returns: true if the tensor is dense, otherwise false

Definition at line 327 of file dist_eval.h.

◆ is_local()

template<typename Tile , typename Policy >

bool TiledArray::detail::DistEval< Tile, Policy >::is_local ( size_type i ) const

inline

Query for a locally owned tile.

Parameters

i	The tile index to query

Returns: true if the tile is owned by this node, otherwise false

Definition at line 311 of file dist_eval.h.

◆ is_zero()

template<typename Tile , typename Policy >

bool TiledArray::detail::DistEval< Tile, Policy >::is_zero ( size_type i ) const

inline

Query for a zero tile.

Parameters

i	The tile index to query

Returns: true if the tile is zero, otherwise false

Definition at line 317 of file dist_eval.h.

◆ operator=()

template<typename Tile , typename Policy >

DistEval_& TiledArray::detail::DistEval< Tile, Policy >::operator= ( const DistEval_ & other )

inline

Assignment operator.

Create a shallow copy of other

Parameters

other The object to be copied

Returns: A reference to this object

Definition at line 279 of file dist_eval.h.

◆ owner()

template<typename Tile , typename Policy >

ProcessID TiledArray::detail::DistEval< Tile, Policy >::owner ( size_type i ) const

inline

Query a tile owner.

Parameters

i	The tile index to query

Returns: The process ID of the node that owns tile i

Definition at line 305 of file dist_eval.h.

◆ pmap()

template<typename Tile , typename Policy >

const std::shared_ptr<pmap_interface>& TiledArray::detail::DistEval< Tile, Policy >::pmap ( ) const

inline

Tensor process map accessor.

Returns: A shared pointer to the process map of this tensor

Definition at line 322 of file dist_eval.h.

◆ range()

template<typename Tile , typename Policy >

const range_type& TiledArray::detail::DistEval< Tile, Policy >::range ( ) const

inline

Tensor tile size array accessor.

Returns: The size array of the tensor tiles

Definition at line 294 of file dist_eval.h.

◆ shape()

template<typename Tile , typename Policy >

const shape_type& TiledArray::detail::DistEval< Tile, Policy >::shape ( ) const

inline

Tensor shape accessor.

Returns: A reference to the tensor shape map

Definition at line 332 of file dist_eval.h.

◆ size()

template<typename Tile , typename Policy >

size_type TiledArray::detail::DistEval< Tile, Policy >::size ( ) const

inline

Tensor tile volume accessor.

Returns: The number of tiles in the tensor

Definition at line 299 of file dist_eval.h.

◆ trange()

template<typename Tile , typename Policy >

const trange_type& TiledArray::detail::DistEval< Tile, Policy >::trange ( ) const

inline

Tiled range accessor.

Returns: The tiled range of the tensor

Definition at line 337 of file dist_eval.h.

◆ wait()

template<typename Tile , typename Policy >

void TiledArray::detail::DistEval< Tile, Policy >::wait ( ) const

inline

Wait for all local tiles to be evaluated.

Definition at line 364 of file dist_eval.h.

◆ world()

template<typename Tile , typename Policy >

World& TiledArray::detail::DistEval< Tile, Policy >::world ( ) const

inline

World object accessor.

Returns: A reference to the world object

Definition at line 356 of file dist_eval.h.

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

TiledArray/dist_eval/dist_eval.h

Public Types

Public Member Functions

Detailed Description

template<typename Tile, typename Policy> class TiledArray::detail::DistEval< Tile, Policy >

Member Typedef Documentation

◆ DistEval_

◆ eval_type

◆ future

◆ impl_type

◆ pmap_interface

◆ range_type

◆ shape_type

◆ size_type

◆ trange_type

◆ value_type

Constructor & Destructor Documentation

◆ DistEval() [1/2]

◆ DistEval() [2/2]

Member Function Documentation

◆ discard()

◆ eval()

◆ get()

◆ id()

◆ is_dense()

◆ is_local()

◆ is_zero()

◆ operator=()

◆ owner()

◆ pmap()

◆ range()

◆ shape()

◆ size()

◆ trange()

◆ wait()

◆ world()

template<typename Tile, typename Policy>
class TiledArray::detail::DistEval< Tile, Policy >