#include <Quantize.h>

Collaboration diagram for luci_interpreter::kernels::Quantize:

Public Member Functions
	Quantize (const Tensor input, Tensor output)

const Tensor *	input () const

Tensor *	output () const

void	configure () override

void	execute () const override

Public Member Functions inherited from luci_interpreter::Kernel
virtual	~Kernel ()=default

const std::vector< const Tensor * > &	getInputTensors () const

const std::vector< Tensor * > &	getOutputTensors () const

Additional Inherited Members
Protected Member Functions inherited from luci_interpreter::Kernel
	Kernel (std::vector< const Tensor * > inputs, std::vector< Tensor * > outputs)

Protected Attributes inherited from luci_interpreter::Kernel
const std::vector< const Tensor * >	_inputs

const std::vector< Tensor * >	_outputs

Detailed Description

Definition at line 28 of file Quantize.h.

Constructor & Destructor Documentation

◆ Quantize()

luci_interpreter::kernels::Quantize::Quantize	(	const Tensor *	input,
		Tensor *	output
	)

Definition at line 64 of file Quantize.cpp.

64: Kernel({input}, {output}) {}

luci_interpreter::Kernel::Kernel

Kernel(std::vector< const Tensor * > inputs, std::vector< Tensor * > outputs)

Definition Kernel.h:31

luci_interpreter::kernels::Quantize::input

const Tensor * input() const

Definition Quantize.h:33

luci_interpreter::kernels::Quantize::output

Tensor * output() const

Definition Quantize.h:34

References input().

Member Function Documentation

◆ configure()

void luci_interpreter::kernels::Quantize::configure ( )

overridevirtual

Implements luci_interpreter::Kernel.

Definition at line 66 of file Quantize.cpp.

{
 
  if (input()->element_type() == loco::DataType::S16)
    LUCI_INTERPRETER_CHECK(input()->zero_point() == 0);
 
  switch (input()->element_type())
  {
    case loco::DataType::FLOAT32:
    {
      LUCI_INTERPRETER_CHECK(output()->element_type() == loco::DataType::U8 ||
                             output()->element_type() == loco::DataType::S8 ||
                             output()->element_type() == loco::DataType::S16);
      break;
    }
    case loco::DataType::S16:
    case loco::DataType::S8:
    case loco::DataType::U8:
    {
      LUCI_INTERPRETER_CHECK(output()->element_type() == loco::DataType::S8 ||
                             output()->element_type() == loco::DataType::U8 ||
                             output()->element_type() == loco::DataType::S16);
      if (output()->element_type() == loco::DataType::S16)
      {
        LUCI_INTERPRETER_CHECK(output()->zero_point() == 0);
      }
      break;
    }
    default:
      throw std::runtime_error("Unsupported type");
  }
 
  output()->resize(input()->shape());
}

References input(), LUCI_INTERPRETER_CHECK, output(), and luci_interpreter::Tensor::resize().

◆ execute()

void luci_interpreter::kernels::Quantize::execute ( ) const

overridevirtual

Implements luci_interpreter::Kernel.

Definition at line 101 of file Quantize.cpp.

{
  switch (input()->element_type())
  {
    case loco::DataType::FLOAT32:
    {
      tflite::QuantizationParams op_params;
      op_params.zero_point = output()->zero_point();
      op_params.scale = output()->scale();
      const auto input_data = getTensorData<float>(input());
 
      switch (output()->element_type())
      {
        case loco::DataType::S8:
        {
          luci_interpreter_pal::Quantize(op_params, getTensorShape(input()), input_data,
                                         getTensorShape(output()), getTensorData<int8_t>(output()));
          break;
        }
        case loco::DataType::U8:
        {
          luci_interpreter_pal::Quantize(op_params, getTensorShape(input()), input_data,
                                         getTensorShape(output()),
                                         getTensorData<uint8_t>(output()));
          break;
        }
        case loco::DataType::S16:
        {
          luci_interpreter_pal::Quantize(op_params, getTensorShape(input()), input_data,
                                         getTensorShape(output()),
                                         getTensorData<int16_t>(output()));
          break;
        }
        default:
          throw std::runtime_error("luci-intp Quantize(1) Unsupported type.");
      }
      break;
    }
    case loco::DataType::S16:
    {
      call_requantize<int16_t>(input(), output());
      break;
    }
    case loco::DataType::S8:
    {
      call_requantize<int8_t>(input(), output());
      break;
    }
    case loco::DataType::U8:
    {
      call_requantize<uint8_t>(input(), output());
      break;
    }
    default:
      throw std::runtime_error("luci-intp Quantize(2) Unsupported type.");
  }
}