mir::ops::ResizeOp Class Reference

Resize operation scales are such that output = input * scale for each dimension and the number of dimensions matches. More...

#include <ResizeOp.h>

Collaboration diagram for mir::ops::ResizeOp:

Public Types
enum class	ResizeMethod { nearestNeighbor }
Public Types inherited from mir::Operation
enum class	Type { HANDLE_OP }

Public Member Functions
	ResizeOp (Output *arg, ResizeMethod mode, const std::vector< float > &scales)
Operation *	copyWithInputs (const std::vector< Output * > &inputs) override
	ResizeOp (Output *arg, ResizeMethod mode, const Shape &output_shape)
ResizeMethod	getMode () const
const std::vector< float > &	getScales () const
Public Member Functions inherited from mir::Operation
virtual	~Operation ()=default
Type	getType () const
std::size_t	getId () const
void	setId (std::size_t id)
std::size_t	getNumInputs () const
std::size_t	getNumOutputs () const
std::deque< Output * > &	getInputs ()
const std::deque< Output * > &	getInputs () const
std::deque< Output > &	getOutputs ()
const std::deque< Output > &	getOutputs () const
Output *	getInput (std::size_t index)
const Output *	getInput (std::size_t index) const
Output *	getOutput (std::size_t index)
const Output *	getOutput (std::size_t index) const
const Shape &	getInputShape (std::size_t index) const
const Shape &	getOutputShape (std::size_t index) const
void	accept (IVisitor *v)

Additional Inherited Members
Protected Member Functions inherited from mir::Operation
	Operation (Type type, const std::vector< Output * > &inputs, std::size_t num_outputs=1)
void	setOutputType (std::size_t index, const TensorType &type)

Detailed Description

Resize operation scales are such that output = input * scale for each dimension and the number of dimensions matches.

Definition at line 34 of file ResizeOp.h.

Member Enumeration Documentation

ResizeMethod

enum class mir::ops::ResizeOp::ResizeMethod

strong

Enumerator
nearestNeighbor

Definition at line 37 of file ResizeOp.h.

  {
    nearestNeighbor, // TODO: BICUBIC and BILINEAR
  };

Constructor & Destructor Documentation

ResizeOp() [1/2]

mir::ops::ResizeOp::ResizeOp ( Output *  arg, ResizeMethod  mode, const std::vector< float > &  scales  )

inline

Definition at line 42 of file ResizeOp.h.

    : Operation(Type::resizeIm, {arg}), _scales(scales), _mode(mode)
  {
    // Infer output shape based on given scales.
    auto &input_shape = getInputShape(0);
    assert(input_shape.rank() == 4 && _scales.size() == 4);
    Shape output_shape(input_shape.rank());
 
    for (int32_t i = 0; i < input_shape.rank(); ++i)
    {
      output_shape.dim(i) = static_cast<int32_t>(lroundf(_scales.at(i) * input_shape.dim(i)));
    }
 
    setOutputType(0, {getInput(0)->getElementType(), output_shape});
  }

ResizeOp() [2/2]

mir::ops::ResizeOp::ResizeOp ( Output *  arg, ResizeMethod  mode, const Shape &  output_shape  )

inline

Definition at line 63 of file ResizeOp.h.

    : Operation(Type::resizeIm, {arg}), _mode(mode)
  {
    // Calculate scales based on given shape.
    auto &input_shape = getInputShape(0);
    assert(input_shape.rank() == 4 && output_shape.rank() == 4);
    setOutputType(0, {getInput(0)->getElementType(), output_shape});
    _scales = {1.0f, static_cast<float>(output_shape.dim(1)) / input_shape.dim(1),
               static_cast<float>(output_shape.dim(2)) / input_shape.dim(2), 1.0f};
  }

Member Function Documentation

copyWithInputs()

Operation * mir::ops::ResizeOp::copyWithInputs ( const std::vector< Output * > &  inputs )

inlineoverridevirtual

Implements mir::Operation.

Definition at line 58 of file ResizeOp.h.

  {
    return new ResizeOp(inputs[0], _mode, getOutputShape(0));
  }

References mir::Operation::getOutputShape().

getMode()

ResizeMethod mir::ops::ResizeOp::getMode ( ) const

inline

Returns

The resize mode

Definition at line 75 of file ResizeOp.h.

{ return _mode; }

Referenced by mir_interpreter::MIRInterpreter::visit(), nnc::ModelAnalyzer::visit(), and mir::DotNodeBuilder::visit().

getScales()

const std::vector< float > & mir::ops::ResizeOp::getScales ( ) const

inline

Definition at line 77 of file ResizeOp.h.

{ return _scales; }

Referenced by mir_interpreter::MIRInterpreter::visit().

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

• compiler/mir/include/mir/ops/ResizeOp.h