This factory creates ClImportTensorHandles that refer to imported memory tensors. More...

#include <ClImportTensorHandleFactory.hpp>

Inheritance diagram for ClImportTensorHandleFactory:

Collaboration diagram for ClImportTensorHandleFactory:

Public Member Functions
	ClImportTensorHandleFactory (MemorySourceFlags importFlags, MemorySourceFlags exportFlags)
	Create a tensor handle factory for tensors that will be imported or exported. More...

std::unique_ptr< ITensorHandle >	CreateSubTensorHandle (ITensorHandle &parent, const TensorShape &subTensorShape, const unsigned int *subTensorOrigin) const override

std::unique_ptr< ITensorHandle >	CreateTensorHandle (const TensorInfo &tensorInfo) const override

std::unique_ptr< ITensorHandle >	CreateTensorHandle (const TensorInfo &tensorInfo, DataLayout dataLayout) const override

std::unique_ptr< ITensorHandle >	CreateTensorHandle (const TensorInfo &tensorInfo, const bool IsMemoryManaged) const override
	Utility Functions for backends which require TensorHandles to have unmanaged memory. More...

std::unique_ptr< ITensorHandle >	CreateTensorHandle (const TensorInfo &tensorInfo, DataLayout dataLayout, const bool IsMemoryManaged) const override

const FactoryId &	GetId () const override

bool	SupportsSubTensors () const override

bool	SupportsMapUnmap () const override

MemorySourceFlags	GetExportFlags () const override

MemorySourceFlags	GetImportFlags () const override

std::vector< Capability >	GetCapabilities (const IConnectableLayer layer, const IConnectableLayer connectedLayer, CapabilityClass capabilityClass) override

Public Member Functions inherited from ITensorHandleFactory
virtual	~ITensorHandleFactory ()
	Some TensorHandleFactory decisions are deferred to run-time. More...

virtual bool	SupportsInPlaceComputation () const

Static Public Member Functions
static const FactoryId &	GetIdStatic ()

Static Public Attributes
static const FactoryId	m_Id

Static Public Attributes inherited from ITensorHandleFactory
static const FactoryId	LegacyFactoryId = "armnn_legacy_factory"

static const FactoryId	DeferredFactoryId = "armnn_deferred_factory"
	Use the workload factory to create the tensor handle. More...

Additional Inherited Members
Public Types inherited from ITensorHandleFactory
using	FactoryId = std::string

Detailed Description

This factory creates ClImportTensorHandles that refer to imported memory tensors.

Definition at line 22 of file ClImportTensorHandleFactory.hpp.

Constructor & Destructor Documentation

◆ ClImportTensorHandleFactory()

ClImportTensorHandleFactory	(	MemorySourceFlags	importFlags,
		MemorySourceFlags	exportFlags
	)

inline

Create a tensor handle factory for tensors that will be imported or exported.

Parameters

importFlags
exportFlags

Definition at line 33 of file ClImportTensorHandleFactory.hpp.

         : m_ImportFlags(importFlags)
         , m_ExportFlags(exportFlags)
     {}

Member Function Documentation

◆ CreateSubTensorHandle()

std::unique_ptr< ITensorHandle > CreateSubTensorHandle	(	ITensorHandle &	parent,
		const TensorShape &	subTensorShape,
		const unsigned int *	subTensorOrigin
	)		const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 20 of file ClImportTensorHandleFactory.cpp.

 {
     arm_compute::Coordinates coords;
     arm_compute::TensorShape shape = armcomputetensorutils::BuildArmComputeTensorShape(subTensorShape);
  
     coords.set_num_dimensions(subTensorShape.GetNumDimensions());
     for (unsigned int i = 0; i < subTensorShape.GetNumDimensions(); ++i)
     {
         // Arm compute indexes tensor coords in reverse order.
         unsigned int revertedIndex = subTensorShape.GetNumDimensions() - i - 1;
         coords.set(i, armnn::numeric_cast<int>(subTensorOrigin[revertedIndex]));
     }
  
     const arm_compute::TensorShape parentShape = armcomputetensorutils::BuildArmComputeTensorShape(parent.GetShape());
  
     // In order for ACL to support subtensors the concat axis cannot be on x or y and the values of x and y
     // must match the parent shapes
     if (coords.x() != 0 || coords.y() != 0)
     {
         return nullptr;
     }
     if ((parentShape.x() != shape.x()) || (parentShape.y() != shape.y()))
     {
         return nullptr;
     }
  
     if (!::arm_compute::error_on_invalid_subtensor(__func__, __FILE__, __LINE__, parentShape, coords, shape))
     {
         return nullptr;
     }
  
     return std::make_unique<ClImportSubTensorHandle>(
         PolymorphicDowncast<IClTensorHandle*>(&parent), shape, coords);
 }

◆ CreateTensorHandle() [1/4]

std::unique_ptr< ITensorHandle > CreateTensorHandle ( const TensorInfo & tensorInfo ) const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 56 of file ClImportTensorHandleFactory.cpp.

 {
     std::unique_ptr<ClImportTensorHandle> tensorHandle = std::make_unique<ClImportTensorHandle>(tensorInfo,
                                                                                                 GetImportFlags());
     return tensorHandle;
 }

References ClImportTensorHandleFactory::GetImportFlags().

Referenced by ClImportTensorHandleFactory::CreateTensorHandle().

◆ CreateTensorHandle() [2/4]

std::unique_ptr< ITensorHandle > CreateTensorHandle	(	const TensorInfo &	tensorInfo,
		const bool	IsMemoryManaged
	)		const

overridevirtual

Utility Functions for backends which require TensorHandles to have unmanaged memory.

These should be overloaded if required to facilitate direct import of input tensors and direct export of output tensors.

Reimplemented from ITensorHandleFactory.

Definition at line 72 of file ClImportTensorHandleFactory.cpp.

 {
     if (IsMemoryManaged)
     {
         throw InvalidArgumentException("ClImportTensorHandleFactory does not support memory managed tensors.");
     }
     return CreateTensorHandle(tensorInfo);
 }

References ClImportTensorHandleFactory::CreateTensorHandle().

◆ CreateTensorHandle() [3/4]

std::unique_ptr< ITensorHandle > CreateTensorHandle	(	const TensorInfo &	tensorInfo,
		DataLayout	dataLayout
	)		const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 63 of file ClImportTensorHandleFactory.cpp.

 {
     std::unique_ptr<ClImportTensorHandle> tensorHandle = std::make_unique<ClImportTensorHandle>(tensorInfo,
                                                                                                 dataLayout,
                                                                                                 GetImportFlags());
     return tensorHandle;
 }

References ClImportTensorHandleFactory::GetImportFlags().

◆ CreateTensorHandle() [4/4]

std::unique_ptr< ITensorHandle > CreateTensorHandle	(	const TensorInfo &	tensorInfo,
		DataLayout	dataLayout,
		const bool	IsMemoryManaged
	)		const

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 82 of file ClImportTensorHandleFactory.cpp.

 {
     if (IsMemoryManaged)
     {
         throw InvalidArgumentException("ClImportTensorHandleFactory does not support memory managed tensors.");
     }
     return CreateTensorHandle(tensorInfo, dataLayout);
 }

References ClImportTensorHandleFactory::CreateTensorHandle().

◆ GetCapabilities()

std::vector< Capability > GetCapabilities	(	const IConnectableLayer *	layer,
		const IConnectableLayer *	connectedLayer,
		CapabilityClass	capabilityClass
	)

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 124 of file ClImportTensorHandleFactory.cpp.

 {
     IgnoreUnused(layer);
     IgnoreUnused(connectedLayer);
     std::vector<Capability> capabilities;
     if (capabilityClass == CapabilityClass::FallbackImportDisabled)
     {
         Capability paddingCapability(CapabilityClass::FallbackImportDisabled, true);
         capabilities.push_back(paddingCapability);
     }
     return capabilities;
 }

References armnn::FallbackImportDisabled, and armnn::IgnoreUnused().

◆ GetExportFlags()

MemorySourceFlags GetExportFlags ( ) const

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 114 of file ClImportTensorHandleFactory.cpp.

 {
     return m_ExportFlags;
 }

◆ GetId()

const FactoryId & GetId ( ) const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 99 of file ClImportTensorHandleFactory.cpp.

 {
     return GetIdStatic();
 }

References ClImportTensorHandleFactory::GetIdStatic().

◆ GetIdStatic()

const FactoryId & GetIdStatic ( )

static

Definition at line 93 of file ClImportTensorHandleFactory.cpp.

 {
     static const FactoryId s_Id(ClImportTensorHandleFactoryId());
     return s_Id;
 }

References armnn::ClImportTensorHandleFactoryId().

Referenced by ClBackend::GetHandleFactoryPreferences(), and ClImportTensorHandleFactory::GetId().

◆ GetImportFlags()

MemorySourceFlags GetImportFlags ( ) const

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 119 of file ClImportTensorHandleFactory.cpp.

 {
     return m_ImportFlags;
 }

Referenced by ClImportTensorHandleFactory::CreateTensorHandle().

◆ SupportsMapUnmap()

bool SupportsMapUnmap ( ) const

overridevirtual

Reimplemented from ITensorHandleFactory.

Definition at line 109 of file ClImportTensorHandleFactory.cpp.

 {
     return false;
 }

◆ SupportsSubTensors()

bool SupportsSubTensors ( ) const

overridevirtual

Implements ITensorHandleFactory.

Definition at line 104 of file ClImportTensorHandleFactory.cpp.

 {
     return true;
 }

Member Data Documentation

◆ m_Id

const FactoryId m_Id

static

Definition at line 25 of file ClImportTensorHandleFactory.hpp.

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

src/backends/cl/ClImportTensorHandleFactory.hpp
src/backends/cl/ClImportTensorHandleFactory.cpp

Public Member Functions

Static Public Member Functions

Static Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ClImportTensorHandleFactory()

Member Function Documentation

◆ CreateSubTensorHandle()

◆ CreateTensorHandle() [1/4]

◆ CreateTensorHandle() [2/4]

◆ CreateTensorHandle() [3/4]

◆ CreateTensorHandle() [4/4]

◆ GetCapabilities()

◆ GetExportFlags()

◆ GetId()

◆ GetIdStatic()

◆ GetImportFlags()

◆ SupportsMapUnmap()

◆ SupportsSubTensors()

Member Data Documentation

◆ m_Id