ConstTensorHandle Class Reference

#include <TensorHandle.hpp>

Inheritance diagram for ConstTensorHandle:

Collaboration diagram for ConstTensorHandle:

Public Member Functions
template<typename T >
const T *	GetConstTensor () const
const TensorInfo &	GetTensorInfo () const
virtual void	Manage () override
	Indicate to the memory manager that this resource is active. More...
virtual ITensorHandle *	GetParent () const override
	Get the parent tensor if this is a subtensor. More...
virtual const void *	Map (bool) const override
	Map the tensor data for access. More...
virtual void	Unmap () const override
	Unmap the tensor data. More...
TensorShape	GetStrides () const override
	Get the strides for each dimension ordered from largest to smallest where the smallest value is the same as the size of a single element in the tensor. More...
TensorShape	GetShape () const override
	Get the number of elements for each dimension ordered from slowest iterating dimension to fastest iterating dimension. More...
template<>
const void *	GetConstTensor () const
template<>
const void *	GetConstTensor () const
Public Member Functions inherited from ITensorHandle
virtual	~ITensorHandle ()
virtual void	Allocate ()=0
	Indicate to the memory manager that this resource is no longer active. More...
void *	Map (bool blocking=true)
	Map the tensor data for access. More...
void	Unmap ()
	Unmap the tensor data that was previously mapped with call to Map(). More...
virtual unsigned int	GetImportFlags () const
	Get flags describing supported import sources. More...
virtual bool	Import (void *memory, MemorySource source)
	Import externally allocated memory. More...
virtual bool	CanBeImported (void *memory, MemorySource source)
	Implementations must determine if this memory block can be imported. More...
virtual void	Unimport ()
	Unimport externally allocated memory. More...
virtual std::shared_ptr< ITensorHandle >	DecorateTensorHandle (const TensorInfo &tensorInfo)
	Returns a decorated version of this TensorHandle allowing us to override the TensorInfo for it. More...

Protected Member Functions
	ConstTensorHandle (const TensorInfo &tensorInfo)
void	SetConstMemory (const void *mem)

Detailed Description

Definition at line 24 of file TensorHandle.hpp.

Constructor & Destructor Documentation

ConstTensorHandle()

ConstTensorHandle ( const TensorInfo &  tensorInfo )

protected

Definition at line 31 of file TensorHandle.cpp.

: m_TensorInfo(tensorInfo)
, m_Memory(nullptr)
{
}

Member Function Documentation

GetConstTensor() [1/3]

const T* GetConstTensor ( ) const

inline

Definition at line 28 of file TensorHandle.hpp.

    {
        if (armnnUtils::CompatibleTypes<T>(GetTensorInfo().GetDataType()))
        {
            return reinterpret_cast<const T*>(m_Memory);
        }
        else
        {
            throw armnn::Exception("Attempting to get not compatible type tensor!");
        }
    }

References ConstTensorHandle::GetTensorInfo().

Referenced by ClConstantWorkload::Execute(), armnn::InitializeArmComputeTensorData(), armnn::PermuteTensor(), and ScopedTensorHandle::ScopedTensorHandle().

GetConstTensor() [2/3]

const void* GetConstTensor

(

)

const

Definition at line 38 of file TensorHandle.cpp.

{
    return m_Memory;
}

GetConstTensor() [3/3]

const void * GetConstTensor

(

)

const

GetParent()

virtual ITensorHandle* GetParent ( ) const

inlineoverridevirtual

Get the parent tensor if this is a subtensor.

Returns

a pointer to the parent tensor. Otherwise nullptr if not a subtensor.

Implements ITensorHandle.

Definition at line 47 of file TensorHandle.hpp.

{ return nullptr; }

GetShape()

TensorShape GetShape ( ) const

inlineoverridevirtual

Get the number of elements for each dimension ordered from slowest iterating dimension to fastest iterating dimension.

Returns

a TensorShape filled with the number of elements for each dimension.

Implements ITensorHandle.

Definition at line 56 of file TensorHandle.hpp.

{ return m_TensorInfo.GetShape(); }

References TensorInfo::GetShape().

Referenced by LstmQueueDescriptor::Validate(), and UnidirectionalSequenceLstmQueueDescriptor::Validate().

GetStrides()

TensorShape GetStrides ( ) const

inlineoverridevirtual

Get the strides for each dimension ordered from largest to smallest where the smallest value is the same as the size of a single element in the tensor.

Returns

a TensorShape filled with the strides for each dimension

Implements ITensorHandle.

Definition at line 52 of file TensorHandle.hpp.

    {
        return GetUnpaddedTensorStrides(m_TensorInfo);
    }

References armnn::GetUnpaddedTensorStrides().

GetTensorInfo()

const TensorInfo& GetTensorInfo ( ) const

inline

Definition at line 40 of file TensorHandle.hpp.

    {
        return m_TensorInfo;
    }

Referenced by ScopedTensorHandle::Allocate(), ClTransposeConvolution2dWorkload::ClTransposeConvolution2dWorkload(), armnn::Convert1HWOTensorToAcl(), armnn::Convert1HWOtoMIHW(), armnn::ConvertWeightTensorFromArmnnToAcl(), ConstTensorHandle::GetConstTensor(), TensorHandle::GetTensor(), armnn::InitializeArmComputeTensorData(), armnn::PermuteTensor(), ScopedTensorHandle::ScopedTensorHandle(), DetectionPostProcessQueueDescriptor::Validate(), BatchNormalizationQueueDescriptor::Validate(), ConstantQueueDescriptor::Validate(), LstmQueueDescriptor::Validate(), TransposeConvolution2dQueueDescriptor::Validate(), QLstmQueueDescriptor::Validate(), QuantizedLstmQueueDescriptor::Validate(), and UnidirectionalSequenceLstmQueueDescriptor::Validate().

Manage()

virtual void Manage ( )

inlineoverridevirtual

Indicate to the memory manager that this resource is active.

This is used to compute overlapping lifetimes of resources.

Implements ITensorHandle.

Definition at line 45 of file TensorHandle.hpp.

{}

Map()

virtual const void* Map ( bool  blocking ) const

inlineoverridevirtual

Map the tensor data for access.

Parameters

blocking

hint to block the calling thread until all other accesses are complete. (backend dependent)

Returns

pointer to the first element of the mapped data.

Implements ITensorHandle.

Definition at line 49 of file TensorHandle.hpp.

{ return m_Memory; }

SetConstMemory()

void SetConstMemory ( const void *  mem )

inlineprotected

Definition at line 61 of file TensorHandle.hpp.

{ m_Memory = mem; }

Referenced by ConstPassthroughTensorHandle::ConstPassthroughTensorHandle(), and TensorHandle::SetMemory().

Unmap()

virtual void Unmap ( ) const

inlineoverridevirtual

Unmap the tensor data.

Implements ITensorHandle.

Definition at line 50 of file TensorHandle.hpp.

{}

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

• include/armnn/backends/TensorHandle.hpp
• src/backends/backendsCommon/TensorHandle.cpp