#include <BaseIterator.hpp>

Inheritance diagram for ScaledInt32PerAxisDecoder:

Public Member Functions
	ScaledInt32PerAxisDecoder (const int32_t *data, const armnn::TensorInfo tensorInfo)

float	Get () const override

float	GetScale () const

std::vector< float >	DecodeTensor (const TensorShape &tensorShape, bool isDepthwise) override

Public Member Functions inherited from PerAxisIterator< const int32_t, Decoder< float > >
	PerAxisIterator (const int32_t *data=nullptr, unsigned int axisFactor=0, unsigned int axisDimensionality=0)

	PerAxisIterator (const int32_t *data=nullptr, const armnn::TensorShape &tensorShape=TensorShape(), const unsigned int axis=0)

void	Reset (void *data) override

PerAxisIterator &	operator++ () override

PerAxisIterator &	operator+= (const unsigned int increment) override

PerAxisIterator &	operator-= (const unsigned int decrement) override

PerAxisIterator &	SetIndexOnMem (const unsigned int index)

PerAxisIterator &	operator[] (const unsigned int index) override

Public Member Functions inherited from Decoder< float >
	Decoder ()

virtual	~Decoder ()

virtual float	Get () const=0

Public Member Functions inherited from BaseIterator
	BaseIterator ()

virtual	~BaseIterator ()

Additional Inherited Members
Protected Attributes inherited from PerAxisIterator< const int32_t, Decoder< float > >
const int32_t *	m_Iterator

const int32_t *	m_Start

unsigned int	m_AxisIndex

unsigned int	m_AxisDimensionality

unsigned int	m_AxisFactor

unsigned int	m_Index

Detailed Description

Definition at line 847 of file BaseIterator.hpp.

Constructor & Destructor Documentation

◆ ScaledInt32PerAxisDecoder()

ScaledInt32PerAxisDecoder	(	const int32_t *	data,
		const armnn::TensorInfo	tensorInfo
	)

inline

Definition at line 850 of file BaseIterator.hpp.

     : PerAxisIterator(data, tensorInfo.GetShape(), tensorInfo.GetQuantizationDim().value()),
       m_Scales(tensorInfo.GetQuantizationScales())
     {}

Member Function Documentation

◆ DecodeTensor()

std::vector<float> DecodeTensor	(	const TensorShape &	tensorShape,
		bool	isDepthwise
	)

inlineoverridevirtual

Implements Decoder< float >.

Definition at line 866 of file BaseIterator.hpp.

     {
         const uint32_t size = tensorShape.GetNumElements();
  
         const uint32_t stepSize = isDepthwise ?
                                   tensorShape[2] * tensorShape[3] : tensorShape.GetNumElements() / tensorShape[0];
  
         const uint32_t stepNum = size / stepSize;
  
         std::vector<float> decodedTensor;
         decodedTensor.reserve(size);
  
         // channelMultiplier is only used in depthwise convolutions and in other cases will have no effect
         // stepSize is the length of a contiguous area sharing a quantization scale within a tensor
         // stepNum is the number of those steps/blocks in the tensor
         for (uint32_t step = 0; step < stepNum; ++step)
         {
             //scale = (channelMultiplier * step + mult) % scaleSize;
             for (uint32_t i = 0; i < stepSize; ++i)
             {
                 unsigned int index = step * stepSize + i;
                 this->operator[](index);
                 decodedTensor.emplace_back(armnn::Dequantize(*m_Iterator, m_Scales[step], 0));
             }
         }
         return decodedTensor;
     }

References armnn::Dequantize(), TensorShape::GetNumElements(), PerAxisIterator< const int32_t, Decoder< float > >::m_Iterator, and PerAxisIterator< const int32_t, Decoder< float > >::operator[]().

◆ Get()

float Get ( ) const

inlineoverride

Definition at line 855 of file BaseIterator.hpp.

     {
         return armnn::Dequantize(*m_Iterator, m_Scales[m_AxisIndex], 0);
     }

References armnn::Dequantize(), PerAxisIterator< const int32_t, Decoder< float > >::m_AxisIndex, and PerAxisIterator< const int32_t, Decoder< float > >::m_Iterator.

◆ GetScale()

float GetScale ( ) const

inline

Definition at line 861 of file BaseIterator.hpp.

     {
         return m_Scales[m_AxisIndex];
     }

References PerAxisIterator< const int32_t, Decoder< float > >::m_AxisIndex.

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

src/backends/reference/workloads/BaseIterator.hpp

Public Member Functions