luci_interpreter::kernels::Pack Class Reference

#include <Pack.h>

Collaboration diagram for luci_interpreter::kernels::Pack:

Public Member Functions
	Pack (std::vector< const Tensor * > inputs, Tensor *output, const PackParams &params)
const Tensor *	input (int index) const
Tensor *	output () const
void	configure () override
void	execute () const override
Public Member Functions inherited from luci_interpreter::KernelWithParams< PackParams >
const PackParams &	params () const
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::KernelWithParams< PackParams >
	KernelWithParams (std::vector< const Tensor * > inputs, std::vector< Tensor * > outputs, const PackParams &params)
Protected Member Functions inherited from luci_interpreter::Kernel
	Kernel (std::vector< const Tensor * > inputs, std::vector< Tensor * > outputs)
Protected Attributes inherited from luci_interpreter::KernelWithParams< PackParams >
const PackParams	_params
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 Pack.h.

Constructor & Destructor Documentation

Pack()

luci_interpreter::kernels::Pack::Pack	(	std::vector< const Tensor * >	inputs,
		Tensor *	output,
		const PackParams &	params
	)

Definition at line 30 of file Pack.cpp.

  : KernelWithParams<PackParams>(std::move(inputs), {output}, params)
{
}

References output().

Member Function Documentation

configure()

void luci_interpreter::kernels::Pack::configure ( )

overridevirtual

Implements luci_interpreter::Kernel.

Definition at line 35 of file Pack.cpp.

{
  LUCI_INTERPRETER_CHECK(_inputs.size() == static_cast<uint32_t>(params().values_count));
  const Tensor *t0 = _inputs[0];
  const int dimension_size = t0->shape().num_dims() + 1;
  int axis = params().axis;
  if (axis < 0)
  {
    axis += dimension_size;
  }
  LUCI_INTERPRETER_CHECK(axis >= 0 && axis <= t0->shape().num_dims());
 
  if (t0->element_type() != DataType::S32 && t0->element_type() != DataType::FLOAT32 &&
      t0->element_type() != DataType::U8 && t0->element_type() != DataType::S8 &&
      t0->element_type() != DataType::S16 && t0->element_type() != DataType::S64)
  {
    throw std::runtime_error("luci-intp Pack(1) Unsupported type.");
  }
 
  for (uint32_t i = 1; i < _inputs.size(); ++i)
  {
    const Tensor *tensor = _inputs[i];
    LUCI_INTERPRETER_CHECK(tensor->element_type() == t0->element_type());
    LUCI_INTERPRETER_CHECK(tensor->shape().num_dims() == t0->shape().num_dims());
    for (int d = 0; d < t0->shape().num_dims(); ++d)
    {
      LUCI_INTERPRETER_CHECK(tensor->shape().dim(d) == t0->shape().dim(d));
    }
  }
 
  Shape output_shape(dimension_size);
  int i = 0;
  for (int index = 0; index < dimension_size; ++index)
  {
    if (index == axis)
    {
      output_shape.dim(index) = params().values_count;
    }
    else
    {
      output_shape.dim(index) = t0->shape().dim(i++);
    }
  }
 
  if (t0->element_type() == DataType::U8 || t0->element_type() == DataType::S8 ||
      t0->element_type() == DataType::S16)
  {
    LUCI_INTERPRETER_CHECK(output()->zero_point() == t0->zero_point());
    LUCI_INTERPRETER_CHECK(output()->scale() == t0->scale());
    // Guarantee input/output quantization params match as we do not support
    // packing quantized tensors.
    for (int i = 0; i < params().values_count; i++)
    {
      LUCI_INTERPRETER_CHECK(_inputs[i]->zero_point() == t0->zero_point());
      LUCI_INTERPRETER_CHECK(_inputs[i]->scale() == t0->scale());
    }
  }
 
  output()->resize(output_shape);
}

References luci_interpreter::Kernel::_inputs, luci_interpreter::PackParams::axis, LUCI_INTERPRETER_CHECK, luci::must_cast(), luci_interpreter::Shape::num_dims(), output(), output_shape, luci_interpreter::KernelWithParams< PackParams >::params(), luci_interpreter::Tensor::resize(), luci_interpreter::Tensor::shape(), luci_interpreter::PackParams::values_count, and luci_interpreter::Tensor::zero_point().

execute()

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

overridevirtual

Implements luci_interpreter::Kernel.

Definition at line 96 of file Pack.cpp.

{
  switch (_inputs[0]->element_type())
  {
    case DataType::FLOAT32:
      evalGeneric<float>();
      break;
    case DataType::U8:
      evalGeneric<uint8_t>();
      break;
    case DataType::S8:
      evalGeneric<int8_t>();
      break;
    case DataType::S16:
      evalGeneric<int16_t>();
      break;
    case DataType::S32:
      evalGeneric<int32_t>();
      break;
    case DataType::S64:
      evalGeneric<int64_t>();
      break;
    default:
      throw std::runtime_error("luci-intp Pack(2) Unsupported type.");
  }
}

References luci_interpreter::Kernel::_inputs, and luci::must_cast().

input()

const Tensor * luci_interpreter::kernels::Pack::input ( int  index ) const

inline

Definition at line 33 of file Pack.h.

{ return _inputs[index]; }

References luci_interpreter::Kernel::_inputs.

output()

Tensor * luci_interpreter::kernels::Pack::output ( ) const

inline

Definition at line 34 of file Pack.h.

{ return _outputs[0]; }

References luci_interpreter::Kernel::_outputs.

Referenced by configure(), and Pack().

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

• compiler/luci-interpreter/src/kernels/Pack.h
• compiler/luci-interpreter/src/kernels/Pack.cpp