onert::backend::cpu::ops::LogSoftMaxLayer Class Reference

#include <LogSoftMaxLayer.h>

Collaboration diagram for onert::backend::cpu::ops::LogSoftMaxLayer:

Public Member Functions
	LogSoftMaxLayer ()
void	logsoftmaxFloat32 ()
void	logsoftmaxQuant8 ()
void	configure (const IPortableTensor *input, const float beta, const int axis, IPortableTensor *output)
void	run ()
void	PopulateLookupTable (const float kBeta)
Public Member Functions inherited from onert::exec::IFunction
virtual	~IFunction ()=default
virtual void	prepare ()

Detailed Description

Definition at line 27 of file LogSoftMaxLayer.h.

Constructor & Destructor Documentation

LogSoftMaxLayer()

onert::backend::cpu::ops::LogSoftMaxLayer::LogSoftMaxLayer

(

)

Definition at line 26 of file LogSoftMaxLayer.cc.

                                 : _input(nullptr), _output(nullptr), _beta(0.0), _axis(0)
{
  // DO NOTHING
}

Member Function Documentation

configure()

void onert::backend::cpu::ops::LogSoftMaxLayer::configure	(	const IPortableTensor *	input,
		const float	beta,
		const int	axis,
		IPortableTensor *	output
	)

Definition at line 63 of file LogSoftMaxLayer.cc.

{
  _input = input;
  _output = output;
  _beta = beta;
  _axis = axis;
  if (_input->data_type() == OperandType::QUANT_UINT8_ASYMM)
  {
    PopulateLookupTable(_beta);
  }
}

References onert::backend::IPortableTensor::data_type(), and PopulateLookupTable().

logsoftmaxFloat32()

void onert::backend::cpu::ops::LogSoftMaxLayer::logsoftmaxFloat32

(

)

Definition at line 41 of file LogSoftMaxLayer.cc.

{
  nnfw::cker::SoftmaxParams op_params;
  op_params.beta = _beta;
  op_params.axis = _axis;
  nnfw::cker::LogSoftmax(op_params, getShape(_input), getBuffer<float>(_input), getShape(_output),
                         getBuffer<float>(_output));
}

References nnfw::cker::SoftmaxParams::axis, nnfw::cker::SoftmaxParams::beta, onert::backend::cpu::ops::getShape(), and nnfw::cker::LogSoftmax().

Referenced by run().

logsoftmaxQuant8()

void onert::backend::cpu::ops::LogSoftMaxLayer::logsoftmaxQuant8

(

)

Definition at line 50 of file LogSoftMaxLayer.cc.

{
  nnfw::cker::SoftmaxParams op_params;
  op_params.beta = _beta;
  op_params.axis = _axis;
  op_params.table = _table;
  op_params.zero_point = _output->data_zero_point();
  op_params.scale = _output->data_scale();
  nnfw::cker::LogSoftmax(op_params, _input->data_scale(), getShape(_input),
                         getBuffer<uint8_t>(_input), getShape(_output),
                         getBuffer<uint8_t>(_output));
}

References nnfw::cker::SoftmaxParams::axis, nnfw::cker::SoftmaxParams::beta, onert::backend::IPortableTensor::data_scale(), onert::backend::IPortableTensor::data_zero_point(), onert::backend::cpu::ops::getShape(), nnfw::cker::LogSoftmax(), nnfw::cker::SoftmaxParams::scale, nnfw::cker::SoftmaxParams::table, and nnfw::cker::SoftmaxParams::zero_point.

Referenced by run().

PopulateLookupTable()

void onert::backend::cpu::ops::LogSoftMaxLayer::PopulateLookupTable

(

const float

kBeta

)

Definition at line 31 of file LogSoftMaxLayer.cc.

{
  const float scale = -_input->data_scale() * kBeta;
  const int32_t max_uint8 = std::numeric_limits<uint8_t>::max();
  for (int32_t val = 0; val <= max_uint8; ++val)
  {
    _table[max_uint8 - val] = expf(scale * val);
  }
}

References onert::backend::IPortableTensor::data_scale().

Referenced by configure().

run()

void onert::backend::cpu::ops::LogSoftMaxLayer::run ( )

virtual

Implements onert::exec::IFunction.

Definition at line 76 of file LogSoftMaxLayer.cc.

{
  if (_input->data_type() == OperandType::FLOAT32)
  {
    logsoftmaxFloat32();
  }
  else if (_input->data_type() == OperandType::QUANT_UINT8_ASYMM)
  {
    logsoftmaxQuant8();
  }
  else
  {
    throw std::runtime_error{"LogSoftmax : unsupported data type"};
  }
}

References onert::backend::IPortableTensor::data_type(), logsoftmaxFloat32(), and logsoftmaxQuant8().

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

• runtime/onert/backend/cpu/ops/LogSoftMaxLayer.h
• runtime/onert/backend/cpu/ops/LogSoftMaxLayer.cc