The SubgraphView class represents a subgraph of a Graph. More...

#include <SubgraphView.hpp>

Public Types
using	SubgraphViewPtr = std::unique_ptr< SubgraphView >

using	InputSlots = std::vector< InputSlot * >

using	OutputSlots = std::vector< OutputSlot * >

using	Layers = std::list< Layer * >

using	Iterator = Layers::iterator

using	ConstIterator = Layers::const_iterator

Public Member Functions
template<typename Func >
void	ForEachLayer (Func func) const

	SubgraphView (Graph &graph)
	Constructs a sub-graph from the entire given graph. More...

	SubgraphView (InputSlots &&inputs, OutputSlots &&outputs, Layers &&layers)
	Constructs a sub-graph with the given arguments. More...

	SubgraphView (const SubgraphView &subgraph)
	Copy-constructor. More...

	SubgraphView (SubgraphView &&subgraph)
	Move-constructor. More...

	SubgraphView (IConnectableLayer *layer)
	Constructs a sub-graph with only the given layer. More...

SubgraphView &	operator= (SubgraphView &&other)
	Move-assignment operator. More...

const InputSlots &	GetInputSlots () const

const OutputSlots &	GetOutputSlots () const

const Layers &	GetLayers () const

const InputSlot *	GetInputSlot (unsigned int index) const

InputSlot *	GetInputSlot (unsigned int index)

const OutputSlot *	GetOutputSlot (unsigned int index) const

OutputSlot *	GetOutputSlot (unsigned int index)

unsigned int	GetNumInputSlots () const

unsigned int	GetNumOutputSlots () const

Iterator	begin ()

Iterator	end ()

ConstIterator	begin () const

ConstIterator	end () const

ConstIterator	cbegin () const

ConstIterator	cend () const

void	Clear ()

Detailed Description

The SubgraphView class represents a subgraph of a Graph.

The data it holds, points to data held by layers of the Graph, so the the contents of the SubgraphView become invalid when the Layers are destroyed or changed.

Definition at line 23 of file SubgraphView.hpp.

Member Typedef Documentation

◆ ConstIterator

using ConstIterator = Layers::const_iterator

Definition at line 42 of file SubgraphView.hpp.

◆ InputSlots

using InputSlots = std::vector<InputSlot*>

Definition at line 38 of file SubgraphView.hpp.

◆ Iterator

using Iterator = Layers::iterator

Definition at line 41 of file SubgraphView.hpp.

◆ Layers

using Layers = std::list<Layer*>

Definition at line 40 of file SubgraphView.hpp.

◆ OutputSlots

using OutputSlots = std::vector<OutputSlot*>

Definition at line 39 of file SubgraphView.hpp.

◆ SubgraphViewPtr

using SubgraphViewPtr = std::unique_ptr<SubgraphView>

Definition at line 37 of file SubgraphView.hpp.

Constructor & Destructor Documentation

◆ SubgraphView() [1/5]

SubgraphView ( Graph & graph )

explicit

Constructs a sub-graph from the entire given graph.

Definition at line 42 of file SubgraphView.cpp.

     : m_InputSlots{}
     , m_OutputSlots{}
     , m_Layers(graph.begin(), graph.end())
 {
     CheckSubgraph();
 }

◆ SubgraphView() [2/5]

SubgraphView	(	InputSlots &&	inputs,
		OutputSlots &&	outputs,
		Layers &&	layers
	)

Constructs a sub-graph with the given arguments.

Definition at line 50 of file SubgraphView.cpp.

     : m_InputSlots{inputs}
     , m_OutputSlots{outputs}
     , m_Layers{layers}
 {
     CheckSubgraph();
 }

◆ SubgraphView() [3/5]

SubgraphView ( const SubgraphView & subgraph )

Copy-constructor.

Definition at line 58 of file SubgraphView.cpp.

     : m_InputSlots(subgraph.m_InputSlots.begin(), subgraph.m_InputSlots.end())
     , m_OutputSlots(subgraph.m_OutputSlots.begin(), subgraph.m_OutputSlots.end())
     , m_Layers(subgraph.m_Layers.begin(), subgraph.m_Layers.end())
 {
     CheckSubgraph();
 }

◆ SubgraphView() [4/5]

SubgraphView ( SubgraphView && subgraph )

Move-constructor.

Definition at line 66 of file SubgraphView.cpp.

     : m_InputSlots(std::move(subgraph.m_InputSlots))
     , m_OutputSlots(std::move(subgraph.m_OutputSlots))
     , m_Layers(std::move(subgraph.m_Layers))
 {
     CheckSubgraph();
 }

◆ SubgraphView() [5/5]

SubgraphView ( IConnectableLayer * layer )

Constructs a sub-graph with only the given layer.

Definition at line 74 of file SubgraphView.cpp.

     : m_InputSlots{}
     , m_OutputSlots{}
     , m_Layers{boost::polymorphic_downcast<Layer*>(layer)}
 {
     unsigned int numInputSlots = layer->GetNumInputSlots();
     m_InputSlots.resize(numInputSlots);
     for (unsigned int i = 0; i < numInputSlots; i++)
     {
         m_InputSlots.at(i) = boost::polymorphic_downcast<InputSlot*>(&(layer->GetInputSlot(i)));
     }
 
     unsigned int numOutputSlots = layer->GetNumOutputSlots();
     m_OutputSlots.resize(numOutputSlots);
     for (unsigned int i = 0; i < numOutputSlots; i++)
     {
         m_OutputSlots.at(i) = boost::polymorphic_downcast<OutputSlot*>(&(layer->GetOutputSlot(i)));
     }
 
     CheckSubgraph();
 }

Member Function Documentation

◆ begin() [1/2]

SubgraphView::Iterator begin ( )

Definition at line 164 of file SubgraphView.cpp.

Referenced by armnn::ApplyBackendOptimizations(), armnn::AssignBackends(), and SubgraphView::cbegin().

 {
     return m_Layers.begin();
 }

◆ begin() [2/2]

SubgraphView::ConstIterator begin ( ) const

Definition at line 174 of file SubgraphView.cpp.

 {
     return m_Layers.begin();
 }

◆ cbegin()

SubgraphView::ConstIterator cbegin ( ) const

Definition at line 184 of file SubgraphView.cpp.

References SubgraphView::begin().

 {
     return begin();
 }

◆ cend()

SubgraphView::ConstIterator cend ( ) const

Definition at line 189 of file SubgraphView.cpp.

References SubgraphView::end().

 {
     return end();
 }

◆ Clear()

void Clear ( )

Definition at line 194 of file SubgraphView.cpp.

Referenced by Graph::SubstituteSubgraph().

 {
     m_InputSlots.clear();
     m_OutputSlots.clear();
     m_Layers.clear();
 }

◆ end() [1/2]

SubgraphView::Iterator end ( )

Definition at line 169 of file SubgraphView.cpp.

Referenced by armnn::ApplyBackendOptimizations(), armnn::AssignBackends(), and SubgraphView::cend().

 {
     return m_Layers.end();
 }

◆ end() [2/2]

SubgraphView::ConstIterator end ( ) const

Definition at line 179 of file SubgraphView.cpp.

 {
     return m_Layers.end();
 }

◆ ForEachLayer()

void ForEachLayer ( Func func ) const

inline

Definition at line 27 of file SubgraphView.hpp.

Referenced by Graph::SubstituteSubgraph().

     {
         for (auto it = m_Layers.begin(); it != m_Layers.end(); )
         {
              auto next = std::next(it);
              func(*it);
              it = next;
         }
     }

◆ GetInputSlot() [1/2]

const InputSlot * GetInputSlot ( unsigned int index ) const

Definition at line 129 of file SubgraphView.cpp.

 {
     return m_InputSlots.at(index);
 }

◆ GetInputSlot() [2/2]

InputSlot * GetInputSlot ( unsigned int index )

Definition at line 134 of file SubgraphView.cpp.

 {
     return m_InputSlots.at(index);
 }

◆ GetInputSlots()

const SubgraphView::InputSlots & GetInputSlots ( ) const

Definition at line 119 of file SubgraphView.cpp.

Referenced by BOOST_AUTO_TEST_CASE(), Graph::SubstituteSubgraph(), and OptimizationViews::Validate().

 {
     return m_InputSlots;
 }

◆ GetLayers()

const SubgraphView::Layers & GetLayers ( ) const

Definition at line 159 of file SubgraphView.cpp.

Referenced by BOOST_AUTO_TEST_CASE(), MockBackend::OptimizeSubgraphView(), Graph::SubstituteSubgraph(), and OptimizationViews::Validate().

 {
     return m_Layers;
 }

◆ GetNumInputSlots()

unsigned int GetNumInputSlots ( ) const

Definition at line 149 of file SubgraphView.cpp.

References armnn::numeric_cast().

 {
     return boost::numeric_cast<unsigned int>(m_InputSlots.size());
 }

◆ GetNumOutputSlots()

unsigned int GetNumOutputSlots ( ) const

Definition at line 154 of file SubgraphView.cpp.

References armnn::numeric_cast().

 {
     return boost::numeric_cast<unsigned int>(m_OutputSlots.size());
 }

◆ GetOutputSlot() [1/2]

const OutputSlot * GetOutputSlot ( unsigned int index ) const

Definition at line 139 of file SubgraphView.cpp.

 {
     return m_OutputSlots.at(index);
 }

◆ GetOutputSlot() [2/2]

OutputSlot * GetOutputSlot ( unsigned int index )

Definition at line 144 of file SubgraphView.cpp.

 {
     return m_OutputSlots.at(index);
 }

◆ GetOutputSlots()

const SubgraphView::OutputSlots & GetOutputSlots ( ) const

Definition at line 124 of file SubgraphView.cpp.