onert_micro::core::OMQuantizationData< T > Class Template Reference

#include <OMQuantizationData.h>

Public Types
enum	QuantizationType { CWQ , LWQ }

Public Member Functions
	OMQuantizationData (T *data, const circle::Tensor *tensor)
const flatbuffers::Vector< float > &	Scales () const
const flatbuffers::Vector< int64_t > &	ZeroPoint () const
int64_t	ZeroPointAt (size_t idx) const
float	ScaleAt (size_t idx) const
float	Dequantize (T qvalue)
T	Quantize (float value)
float	DataAt (size_t idx)
void	SetDataAt (size_t idx, float value)

Detailed Description

template<typename T>
class onert_micro::core::OMQuantizationData< T >

Definition at line 34 of file OMQuantizationData.h.

Member Enumeration Documentation

QuantizationType

template<typename T >

enum onert_micro::core::OMQuantizationData::QuantizationType

Enumerator
CWQ
LWQ

Definition at line 37 of file OMQuantizationData.h.

  {
    CWQ,
    LWQ
  };

Constructor & Destructor Documentation

OMQuantizationData()

template<typename T >

onert_micro::core::OMQuantizationData< T >::OMQuantizationData ( T *  data, const circle::Tensor *  tensor  )

inline

Definition at line 49 of file OMQuantizationData.h.

    : _data(data)
  {
    assert(data != nullptr);
    assert(tensor != nullptr);
    assert(tensor->quantization() != nullptr);
 
    _params = tensor->quantization();
    
    if (Scales().Length() > 1)
    {
      _type = CWQ;
    }
  }

References onert_micro::core::OMQuantizationData< T >::CWQ, and onert_micro::core::OMQuantizationData< T >::Scales().

Member Function Documentation

DataAt()

template<typename T >

float onert_micro::core::OMQuantizationData< T >::DataAt ( size_t  idx )

inline

Definition at line 101 of file OMQuantizationData.h.

  {
    return Dequantize(_data[idx]);
  }

References onert_micro::core::OMQuantizationData< T >::Dequantize().

Dequantize()

template<typename T >

float onert_micro::core::OMQuantizationData< T >::Dequantize ( T  qvalue )

inline

Definition at line 87 of file OMQuantizationData.h.

  {
    float result = (qvalue - ZeroPointAt(0)) * ScaleAt(0);
    return result;
  }

References onert_micro::core::OMQuantizationData< T >::ScaleAt(), and onert_micro::core::OMQuantizationData< T >::ZeroPointAt().

Referenced by onert_micro::core::OMQuantizationData< T >::DataAt().

Quantize()

template<typename T >

T onert_micro::core::OMQuantizationData< T >::Quantize ( float  value )

inline

Definition at line 93 of file OMQuantizationData.h.

  {
    float fvalue = value / ScaleAt(0) + ZeroPointAt(0);
    T qvalue = Clamp(std::round(fvalue));
    return qvalue;
  }

References onert_micro::core::OMQuantizationData< T >::ScaleAt(), and onert_micro::core::OMQuantizationData< T >::ZeroPointAt().

Referenced by onert_micro::core::OMQuantizationData< T >::SetDataAt().

ScaleAt()

template<typename T >

float onert_micro::core::OMQuantizationData< T >::ScaleAt ( size_t  idx ) const

inline

Definition at line 81 of file OMQuantizationData.h.

  {
    return Scales()[idx];
  }

References onert_micro::core::OMQuantizationData< T >::Scales().

Referenced by onert_micro::core::OMQuantizationData< T >::Dequantize(), and onert_micro::core::OMQuantizationData< T >::Quantize().

Scales()

template<typename T >

const flatbuffers::Vector< float > & onert_micro::core::OMQuantizationData< T >::Scales ( ) const

inline

Definition at line 65 of file OMQuantizationData.h.

  {
    return *(_params->scale());
  }

Referenced by onert_micro::core::OMQuantizationData< T >::OMQuantizationData(), and onert_micro::core::OMQuantizationData< T >::ScaleAt().

SetDataAt()

template<typename T >

void onert_micro::core::OMQuantizationData< T >::SetDataAt ( size_t  idx, float  value  )

inline

Definition at line 106 of file OMQuantizationData.h.

  {
    _data[idx] = Quantize(value);
  }

References onert_micro::core::OMQuantizationData< T >::Quantize().

ZeroPoint()

template<typename T >

const flatbuffers::Vector< int64_t > & onert_micro::core::OMQuantizationData< T >::ZeroPoint ( ) const

inline

Definition at line 70 of file OMQuantizationData.h.

  {
    return *(_params->zero_point());
  }

Referenced by onert_micro::core::OMQuantizationData< T >::ZeroPointAt().

ZeroPointAt()

template<typename T >

int64_t onert_micro::core::OMQuantizationData< T >::ZeroPointAt ( size_t  idx ) const

inline

Definition at line 76 of file OMQuantizationData.h.

  {
    return ZeroPoint()[idx];
  }

References onert_micro::core::OMQuantizationData< T >::ZeroPoint().

Referenced by onert_micro::core::OMQuantizationData< T >::Dequantize(), and onert_micro::core::OMQuantizationData< T >::Quantize().

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

• onert-micro/onert-micro/include/core/OMQuantizationData.h