Inheritance diagram for TiledArray::expressions::ContEngine< Derived >:

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Collaboration diagram for TiledArray::expressions::ContEngine< Derived >:

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Documentation

template<typename Derived>
class TiledArray::expressions::ContEngine< Derived >

Multiplication expression engine.

Definition at line 50 of file cont_engine.h.

Public Types
typedef ContEngine< Derived > ContEngine_
This class type. More...

typedef BinaryEngine< Derived > BinaryEngine_
Binary base class type. More...

typedef ExprEngine< Derived > ExprEngine_
Expression engine base class type. More...

typedef EngineTrait< Derived >::left_type left_type
The left-hand expression type. More...

typedef EngineTrait< Derived >::right_type right_type
The right-hand expression type. More...

typedef EngineTrait< Derived >::value_type value_type
The result tile type. More...

typedef EngineTrait< Derived >::scalar_type scalar_type
Tile scalar type. More...

typedef TiledArray::detail::ContractReduce< value_type, typename eval_trait< typename left_type::value_type >::type, typename eval_trait< typename right_type::value_type >::type, scalar_type > op_type
The tile operation type. More...

typedef EngineTrait< Derived >::policy policy
The result policy type. More...

typedef EngineTrait< Derived >::dist_eval_type dist_eval_type
The distributed evaluator type. More...

typedef EngineTrait< Derived >::size_type size_type
Size type. More...

typedef EngineTrait< Derived >::trange_type trange_type
Tiled range type. More...

typedef EngineTrait< Derived >::shape_type shape_type
Shape type. More...

typedef EngineTrait< Derived >::pmap_interface pmap_interface
Process map interface type. More...

Public Types inherited from TiledArray::expressions::BinaryEngine< Derived >
typedef BinaryEngine< Derived > BinaryEngine_
This class type. More...

typedef ExprEngine< Derived > ExprEngine_
Base class type. More...

typedef EngineTrait< Derived >::left_type left_type
The left-hand expression type. More...

typedef EngineTrait< Derived >::right_type right_type
The right-hand expression type. More...

typedef EngineTrait< Derived >::value_type value_type
The result tile type. More...

typedef EngineTrait< Derived >::op_type op_type
The tile operation type. More...

typedef EngineTrait< Derived >::policy policy
The result policy type. More...

typedef EngineTrait< Derived >::dist_eval_type dist_eval_type
The distributed evaluator type. More...

typedef EngineTrait< Derived >::size_type size_type
Size type. More...

typedef EngineTrait< Derived >::trange_type trange_type
Tiled range type. More...

typedef EngineTrait< Derived >::shape_type shape_type
Shape type. More...

typedef EngineTrait< Derived >::pmap_interface pmap_interface
Process map interface type. More...

Public Member Functions
template<typename L , typename R >
ContEngine (const MultExpr< L, R > &expr)
Constructor. More...

template<typename L , typename R , typename S >
ContEngine (const ScalMultExpr< L, R, S > &expr)
Constructor. More...

void perm_indices (const BipartiteIndexList &target_indices)
Set the index list for this expression. More...

void init_indices (bool children_initialized=false)
Initialize the index list of this expression. More...

void init_indices (const BipartiteIndexList &target_indices)
Initialize the index list of this expression. More...

void init_struct (const BipartiteIndexList &target_indices)
Initialize result tensor structure. More...

void init_distribution (World *world, std::shared_ptr< pmap_interface > pmap)
Initialize result tensor distribution. More...

trange_type make_trange (const Permutation &perm={}) const
Tiled range factory function. More...

shape_type make_shape () const
Non-permuting shape factory function. More...

shape_type make_shape (const Permutation &perm) const
Permuting shape factory function. More...

dist_eval_type make_dist_eval () const

std::string make_tag () const
Expression identification tag. More...

void print (ExprOStream os, const BipartiteIndexList &target_indices) const
Expression print. More...

derived_type & derived ()
Cast this object to its derived type. More...

const derived_type & derived () const
Cast this object to its derived type. More...

const BipartiteIndexList & indices () const
Index list accessor. More...

Public Member Functions inherited from TiledArray::expressions::BinaryEngine< Derived >
template<typename D >
BinaryEngine (const BinaryExpr< D > &expr)

void perm_indices (const BipartiteIndexList &target_indices)
Set the index list for this expression. More...

void init_indices (const BipartiteIndexList &target_indices)
Initialize the index list of this expression. More...

void init_indices (bool children_initialized=false)
Initialize the index list of this expression. More...

void init_struct (const BipartiteIndexList &target_indices)
Initialize result tensor structure. More...

void init_distribution (World *world, const std::shared_ptr< pmap_interface > &pmap)
Initialize result tensor distribution. More...

trange_type make_trange () const
Non-permuting tiled range factory function. More...

trange_type make_trange (const Permutation &perm) const
Permuting tiled range factory function. More...

dist_eval_type make_dist_eval () const
Construct the distributed evaluator for this expression. More...

void print (ExprOStream os, const BipartiteIndexList &target_indices) const
Expression print. More...

Protected Types
using tile_element_type = typename value_type::value_type

Protected Member Functions
TensorProduct product_type () const

TensorProduct inner_product_type () const

void init_inner_tile_op (const IndexList &inner_target_indices)

Protected Member Functions inherited from TiledArray::expressions::BinaryEngine< Derived >
template<TensorProduct ProductType>
void init_indices_ (const BipartiteIndexList &target_indices={})

Static Protected Member Functions
static unsigned int find (const BipartiteIndexList &indices, const std::string &index_label, unsigned int i, const unsigned int n)

Protected Attributes
scalar_type factor_
Contraction scaling factor. More...

op_type op_
Tile operation. More...

std::function< void(tile_element_type &, const tile_element_type &, const tile_element_type &)> inner_tile_nonreturn_op_

std::function< tile_element_type(const tile_element_type &, const tile_element_type &)> inner_tile_return_op_

TiledArray::detail::ProcGrid proc_grid_
Process grid for the contraction. More...

size_type K_ = 1
Inner dimension size. More...

TensorProduct product_type_ = TensorProduct::Invalid

TensorProduct inner_product_type_ = TensorProduct::Invalid

left_type left_
The left-hand argument. More...

BipartiteIndexList left_indices_
Target left-hand index list. More...

PermutationType left_inner_permtype_
Left-hand permutation type. More...

PermutationType left_outer_permtype_
Left-hand permutation type. More...

right_type right_
The right-hand argument. More...

BipartiteIndexList right_indices_
Target right-hand index list. More...

PermutationType right_inner_permtype_
Right-hand permutation type. More...

PermutationType right_outer_permtype_
Right-hand permutation type. More...

BipartiteIndexList indices_

BipartitePermutation perm_
The permutation that will be applied to the outer tensor of tensors. More...

bool permute_tiles_

std::shared_ptr< pmap_interface > pmap_
The process map for the result tensor. More...

shape_type shape_
The shape of the result tensor. More...

trange_type trange_
The tiled range of the result tensor. More...

World * world_
The world where this expression will be evaluated. More...

Protected Attributes inherited from TiledArray::expressions::BinaryEngine< Derived >
left_type left_
The left-hand argument. More...

right_type right_
The right-hand argument. More...

BipartiteIndexList left_indices_
Target left-hand index list. More...

BipartiteIndexList right_indices_
Target right-hand index list. More...

PermutationType left_outer_permtype_
Left-hand permutation type. More...

PermutationType right_outer_permtype_
Right-hand permutation type. More...

PermutationType left_inner_permtype_
Left-hand permutation type. More...

PermutationType right_inner_permtype_
Right-hand permutation type. More...

BipartiteIndexList indices_

BipartitePermutation perm_
The permutation that will be applied to the outer tensor of tensors. More...

bool permute_tiles_

std::shared_ptr< pmap_interface > pmap_
The process map for the result tensor. More...

shape_type shape_
The shape of the result tensor. More...

trange_type trange_
The tiled range of the result tensor. More...

World * world_
The world where this expression will be evaluated. More...

Additional Inherited Members
Static Public Attributes inherited from TiledArray::expressions::BinaryEngine< Derived >
static constexpr bool consumable = EngineTrait<Derived>::consumable

static constexpr unsigned int leaves = EngineTrait<Derived>::leaves

Member Typedef Documentation

◆ BinaryEngine_

template<typename Derived >

typedef BinaryEngine<Derived> TiledArray::expressions::ContEngine< Derived >::BinaryEngine_

Binary base class type.

Definition at line 54 of file cont_engine.h.

◆ ContEngine_

template<typename Derived >

typedef ContEngine<Derived> TiledArray::expressions::ContEngine< Derived >::ContEngine_

This class type.

Definition at line 53 of file cont_engine.h.

◆ dist_eval_type

template<typename Derived >

typedef EngineTrait<Derived>::dist_eval_type TiledArray::expressions::ContEngine< Derived >::dist_eval_type

The distributed evaluator type.

Definition at line 77 of file cont_engine.h.

◆ ExprEngine_

template<typename Derived >

typedef ExprEngine<Derived> TiledArray::expressions::ContEngine< Derived >::ExprEngine_

Expression engine base class type.

Definition at line 56 of file cont_engine.h.

◆ left_type

template<typename Derived >

typedef EngineTrait<Derived>::left_type TiledArray::expressions::ContEngine< Derived >::left_type

The left-hand expression type.

Definition at line 60 of file cont_engine.h.

◆ op_type

template<typename Derived >

typedef TiledArray::detail::ContractReduce< value_type, typename eval_trait<typename left_type::value_type>::type, typename eval_trait<typename right_type::value_type>::type, scalar_type> TiledArray::expressions::ContEngine< Derived >::op_type

The tile operation type.

Definition at line 73 of file cont_engine.h.

◆ pmap_interface

template<typename Derived >

typedef EngineTrait<Derived>::pmap_interface TiledArray::expressions::ContEngine< Derived >::pmap_interface

Process map interface type.

Definition at line 85 of file cont_engine.h.

◆ policy

template<typename Derived >

typedef EngineTrait<Derived>::policy TiledArray::expressions::ContEngine< Derived >::policy

The result policy type.

Definition at line 75 of file cont_engine.h.

◆ right_type

template<typename Derived >

typedef EngineTrait<Derived>::right_type TiledArray::expressions::ContEngine< Derived >::right_type

The right-hand expression type.

Definition at line 62 of file cont_engine.h.

◆ scalar_type

template<typename Derived >

typedef EngineTrait<Derived>::scalar_type TiledArray::expressions::ContEngine< Derived >::scalar_type

Tile scalar type.

Definition at line 68 of file cont_engine.h.

◆ shape_type

template<typename Derived >

typedef EngineTrait<Derived>::shape_type TiledArray::expressions::ContEngine< Derived >::shape_type

Shape type.

Definition at line 83 of file cont_engine.h.

◆ size_type

template<typename Derived >

typedef EngineTrait<Derived>::size_type TiledArray::expressions::ContEngine< Derived >::size_type

Size type.

Definition at line 80 of file cont_engine.h.

◆ tile_element_type

template<typename Derived >

using TiledArray::expressions::ContEngine< Derived >::tile_element_type = typename value_type::value_type

protected

Definition at line 110 of file cont_engine.h.

◆ trange_type

template<typename Derived >

typedef EngineTrait<Derived>::trange_type TiledArray::expressions::ContEngine< Derived >::trange_type

Tiled range type.

Definition at line 82 of file cont_engine.h.

◆ value_type

template<typename Derived >

typedef EngineTrait<Derived>::value_type TiledArray::expressions::ContEngine< Derived >::value_type

The result tile type.

Definition at line 66 of file cont_engine.h.

Constructor & Destructor Documentation

◆ ContEngine() [1/2]

template<typename Derived >

template<typename L , typename R >

TiledArray::expressions::ContEngine< Derived >::ContEngine ( const MultExpr< L, R > & expr )

inline

Constructor.

Template Parameters

L	The left-hand argument expression type
R	The right-hand argument expression type

Parameters

expr	The parent expression

Definition at line 163 of file cont_engine.h.

◆ ContEngine() [2/2]

template<typename Derived >

template<typename L , typename R , typename S >

TiledArray::expressions::ContEngine< Derived >::ContEngine ( const ScalMultExpr< L, R, S > & expr )

inline

Constructor.

Template Parameters

L	The left-hand argument expression type
R	The right-hand argument expression type
S	The expression scalar type

Parameters

expr	The parent expression

Definition at line 172 of file cont_engine.h.

Member Function Documentation

◆ derived() [1/2]

template<typename Derived >

derived_type& TiledArray::expressions::ExprEngine< Derived >::derived

inline

Cast this object to its derived type.

Definition at line 209 of file expr_engine.h.

◆ derived() [2/2]

template<typename Derived >

const derived_type& TiledArray::expressions::ExprEngine< Derived >::derived

inline

Cast this object to its derived type.

Definition at line 212 of file expr_engine.h.

◆ find()

template<typename Derived >

static unsigned int TiledArray::expressions::ContEngine< Derived >::find	(	const BipartiteIndexList &	indices,
		const std::string &	index_label,
		unsigned int	i,
		const unsigned int	n
	)

inlinestaticprotected

Definition at line 123 of file cont_engine.h.

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◆ indices()

template<typename Derived >

const BipartiteIndexList& TiledArray::expressions::ExprEngine< Derived >::indices

inline

Index list accessor.

Returns: A const reference to the index list

Definition at line 224 of file expr_engine.h.

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◆ init_distribution()

template<typename Derived >

void TiledArray::expressions::ContEngine< Derived >::init_distribution	(	World *	world,
		std::shared_ptr< pmap_interface >	pmap
	)

inline

Initialize result tensor distribution.

This function will initialize the world and process map for the result tensor.

Parameters

world	The world were the result will be distributed
pmap	The process map for the result tensor tiles

Definition at line 304 of file cont_engine.h.

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◆ init_indices() [1/2]

template<typename Derived >

void TiledArray::expressions::ContEngine< Derived >::init_indices ( bool children_initialized = false )

inline

Initialize the index list of this expression.

Note: This function does not initialize the child data as is done in BinaryEngine. Instead they are initialized in MultEngine and ScalMultEngine since they need child indices to determine the type of product

Definition at line 212 of file cont_engine.h.

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◆ init_indices() [2/2]

template<typename Derived >

void TiledArray::expressions::ContEngine< Derived >::init_indices ( const BipartiteIndexList & target_indices )

inline

Initialize the index list of this expression.

Parameters

target_indices the target index list

Note: This function does not initialize the child data as is done in BinaryEngine. Instead they are initialized in MultEngine and ScalMultEngine since they need child indices to determine the type of product

Definition at line 228 of file cont_engine.h.

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◆ init_inner_tile_op()

template<typename Derived >

void TiledArray::expressions::ContEngine< Derived >::init_inner_tile_op ( const IndexList & inner_target_indices )

inlineprotected

Definition at line 458 of file cont_engine.h.

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◆ init_struct()

template<typename Derived >

void TiledArray::expressions::ContEngine< Derived >::init_struct ( const BipartiteIndexList & target_indices )

inline

Initialize result tensor structure.

This function will initialize the permutation, tiled range, and shape for the result tensor as well as the tile operation.

Parameters

target_indices The target index list for the result tensor

Definition at line 238 of file cont_engine.h.

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◆ inner_product_type()

template<typename Derived >

TensorProduct TiledArray::expressions::ContEngine< Derived >::inner_product_type ( ) const

inlineprotected

Returns: the inner product type

only Hadamard and contraction are supported now

Definition at line 147 of file cont_engine.h.

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◆ make_dist_eval()

template<typename Derived >

dist_eval_type TiledArray::expressions::ContEngine< Derived >::make_dist_eval ( ) const

inline

Definition at line 418 of file cont_engine.h.

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◆ make_shape() [1/2]

template<typename Derived >

shape_type TiledArray::expressions::ContEngine< Derived >::make_shape ( ) const

inline

Non-permuting shape factory function.

Returns: The result shape

Definition at line 398 of file cont_engine.h.

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◆ make_shape() [2/2]

template<typename Derived >

shape_type TiledArray::expressions::ContEngine< Derived >::make_shape ( const Permutation & perm ) const

inline

Permuting shape factory function.

Parameters

perm	The permutation to be applied to the array

Returns: The result shape

Definition at line 410 of file cont_engine.h.

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◆ make_tag()

template<typename Derived >

std::string TiledArray::expressions::ContEngine< Derived >::make_tag ( ) const

inline

Expression identification tag.

Returns: An expression tag used to identify this expression

Definition at line 438 of file cont_engine.h.

◆ make_trange()

template<typename Derived >

trange_type TiledArray::expressions::ContEngine< Derived >::make_trange ( const Permutation & perm = {} ) const

inline

Tiled range factory function.

Parameters

perm	The permutation to be applied to the array

Returns: The result tiled range

Definition at line 349 of file cont_engine.h.

◆ perm_indices()

template<typename Derived >

void TiledArray::expressions::ContEngine< Derived >::perm_indices ( const BipartiteIndexList & target_indices )

inline

Set the index list for this expression.

If arguments can be permuted freely and target_indices are well-partitioned into left and right args' indices it is possible to permute left and right args to order their free indices the order that target_indices requires.

Parameters

target_indices The target index list for this expression

Warning: this does not take into account the ranks of the args to decide whether it makes sense to permute them or the result

Todo:: take into account the ranks of the args to decide whether it makes sense to permute them or the result

Definition at line 190 of file cont_engine.h.

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◆ print()

template<typename Derived >

void TiledArray::expressions::ContEngine< Derived >::print	(	ExprOStream	os,
		const BipartiteIndexList &	target_indices
	)		const

inline

Expression print.

Parameters

os	The output stream
target_indices	The target index list for this expression

Definition at line 449 of file cont_engine.h.

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◆ product_type()

template<typename Derived >

TensorProduct TiledArray::expressions::ContEngine< Derived >::product_type ( ) const

inlineprotected

Returns: the product type

only Hadamard and contraction are supported now

Definition at line 137 of file cont_engine.h.

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Member Data Documentation

◆ factor_

template<typename Derived >

scalar_type TiledArray::expressions::ContEngine< Derived >::factor_

protected

Contraction scaling factor.

Definition at line 106 of file cont_engine.h.

◆ indices_

template<typename Derived >

BipartiteIndexList TiledArray::expressions::ExprEngine< Derived >::indices_

protected

The index list of this expression; bipartite due to need to support recursive tensors (i.e. Tensor-of-Tensor)

Definition at line 75 of file expr_engine.h.

◆ inner_product_type_

template<typename Derived >

TensorProduct TiledArray::expressions::ContEngine< Derived >::inner_product_type_ = TensorProduct::Invalid

protected

Definition at line 134 of file cont_engine.h.

◆ inner_tile_nonreturn_op_

template<typename Derived >

std::function<void(tile_element_type&, const tile_element_type&, const tile_element_type&)> TiledArray::expressions::ContEngine< Derived >::inner_tile_nonreturn_op_

protected

Tile element operation (only non-null for nested tensor expressions)

Definition at line 113 of file cont_engine.h.

◆ inner_tile_return_op_

template<typename Derived >

std::function<tile_element_type(const tile_element_type&, const tile_element_type&)> TiledArray::expressions::ContEngine< Derived >::inner_tile_return_op_

protected

Same as inner_tile_nonreturn_op_ but returns the result

Definition at line 117 of file cont_engine.h.

◆ K_

template<typename Derived >

size_type TiledArray::expressions::ContEngine< Derived >::K_ = 1

protected

Inner dimension size.

Definition at line 121 of file cont_engine.h.

◆ left_

template<typename Derived >

left_type TiledArray::expressions::BinaryEngine< Derived >::left_

protected

The left-hand argument.

Definition at line 86 of file binary_engine.h.

◆ left_indices_

template<typename Derived >

BipartiteIndexList TiledArray::expressions::BinaryEngine< Derived >::left_indices_

protected

Target left-hand index list.

Definition at line 88 of file binary_engine.h.

◆ left_inner_permtype_

template<typename Derived >

PermutationType TiledArray::expressions::BinaryEngine< Derived >::left_inner_permtype_

protected

Left-hand permutation type.

Definition at line 94 of file binary_engine.h.

◆ left_outer_permtype_

template<typename Derived >

PermutationType TiledArray::expressions::BinaryEngine< Derived >::left_outer_permtype_

protected

Left-hand permutation type.

Definition at line 90 of file binary_engine.h.

◆ op_

template<typename Derived >

op_type TiledArray::expressions::ContEngine< Derived >::op_

protected

Tile operation.

Definition at line 109 of file cont_engine.h.

◆ perm_

template<typename Derived >

BipartitePermutation TiledArray::expressions::ExprEngine< Derived >::perm_

protected

The permutation that will be applied to the outer tensor of tensors.

Definition at line 80 of file expr_engine.h.

◆ permute_tiles_

template<typename Derived >

bool TiledArray::expressions::ExprEngine< Derived >::permute_tiles_

protected

Result tile permutation flag (true == permute tile)

Definition at line 77 of file expr_engine.h.

◆ pmap_

template<typename Derived >

std::shared_ptr<pmap_interface> TiledArray::expressions::ExprEngine< Derived >::pmap_

protected

The process map for the result tensor.

Definition at line 84 of file expr_engine.h.

◆ proc_grid_

template<typename Derived >

TiledArray::detail::ProcGrid TiledArray::expressions::ContEngine< Derived >::proc_grid_

protected

Process grid for the contraction.

Definition at line 120 of file cont_engine.h.

◆ product_type_

template<typename Derived >

TensorProduct TiledArray::expressions::ContEngine< Derived >::product_type_ = TensorProduct::Invalid

protected

Definition at line 133 of file cont_engine.h.

◆ right_

template<typename Derived >

right_type TiledArray::expressions::BinaryEngine< Derived >::right_

protected

The right-hand argument.

Definition at line 87 of file binary_engine.h.

◆ right_indices_

template<typename Derived >

BipartiteIndexList TiledArray::expressions::BinaryEngine< Derived >::right_indices_

protected

Target right-hand index list.

Definition at line 89 of file binary_engine.h.

◆ right_inner_permtype_

template<typename Derived >

PermutationType TiledArray::expressions::BinaryEngine< Derived >::right_inner_permtype_

protected

Right-hand permutation type.

Definition at line 96 of file binary_engine.h.

◆ right_outer_permtype_

template<typename Derived >

PermutationType TiledArray::expressions::BinaryEngine< Derived >::right_outer_permtype_

protected

Right-hand permutation type.

Definition at line 92 of file binary_engine.h.

◆ shape_

template<typename Derived >

shape_type TiledArray::expressions::ExprEngine< Derived >::shape_

protected

The shape of the result tensor.

Definition at line 82 of file expr_engine.h.

◆ trange_

template<typename Derived >

trange_type TiledArray::expressions::ExprEngine< Derived >::trange_

protected

The tiled range of the result tensor.

Definition at line 81 of file expr_engine.h.

◆ world_

template<typename Derived >

World* TiledArray::expressions::ExprEngine< Derived >::world_

protected

The world where this expression will be evaluated.

Definition at line 73 of file expr_engine.h.

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

TiledArray/expressions/cont_engine.h

Search Results

Documentation

template<typename Derived> class TiledArray::expressions::ContEngine< Derived >

Public Types

Public Member Functions

Protected Types

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Additional Inherited Members

Member Typedef Documentation

◆ BinaryEngine_

◆ ContEngine_

◆ dist_eval_type

◆ ExprEngine_

◆ left_type

◆ op_type

◆ pmap_interface

◆ policy

◆ right_type

◆ scalar_type

◆ shape_type

◆ size_type

◆ tile_element_type

◆ trange_type

◆ value_type

Constructor & Destructor Documentation

◆ ContEngine() [1/2]

◆ ContEngine() [2/2]

Member Function Documentation

◆ derived() [1/2]

◆ derived() [2/2]

◆ find()

◆ indices()

◆ init_distribution()

◆ init_indices() [1/2]

◆ init_indices() [2/2]

◆ init_inner_tile_op()

◆ init_struct()

◆ inner_product_type()

◆ make_dist_eval()

◆ make_shape() [1/2]

◆ make_shape() [2/2]

◆ make_tag()

◆ make_trange()

◆ perm_indices()

◆ print()

◆ product_type()

Member Data Documentation

◆ factor_

◆ indices_

◆ inner_product_type_

◆ inner_tile_nonreturn_op_

◆ inner_tile_return_op_

◆ K_

◆ left_

◆ left_indices_

◆ left_inner_permtype_

◆ left_outer_permtype_

◆ op_

◆ perm_

◆ permute_tiles_

◆ pmap_

◆ proc_grid_

◆ product_type_

◆ right_

◆ right_indices_

◆ right_inner_permtype_

◆ right_outer_permtype_

◆ shape_

◆ trange_

◆ world_

template<typename Derived>
class TiledArray::expressions::ContEngine< Derived >