tflinspect::Reader Class Reference

Loads TF lite file and provides helpers to access attributes. More...

#include <Reader.h>

Public Member Functions
	Reader (const tflite::Model *model)
	Reader ()=delete
const std::vector< const tflite::OperatorCode * > &	opcodes ()
const TFliteBuffers_t *	buffers ()
const TFliteTensors_t *	tensors ()
const TFliteOperators_t *	operators ()
const std::vector< int32_t > &	inputs () const
const std::vector< int32_t > &	outputs () const
uint32_t	num_subgraph () const
size_t	buffer_info (uint32_t buf_idx, const uint8_t **buff_data)
tflite::BuiltinOperator	builtin_code (const tflite::Operator *op) const
std::string	opcode_name (const tflite::Operator *op) const
bool	select_subgraph (uint32_t subgraph)

Detailed Description

Loads TF lite file and provides helpers to access attributes.

Definition at line 42 of file Reader.h.

Constructor & Destructor Documentation

Reader() [1/2]

tflinspect::Reader::Reader

(

const tflite::Model *

model

)

Definition at line 28 of file Reader.cpp.

{
  _subgraphs = model->subgraphs();
  _buffers = model->buffers();
 
  auto opcodes = model->operator_codes();
  for (const ::tflite::OperatorCode *opcode : *opcodes)
  {
    _op_codes.push_back(opcode);
  }
}

References opcodes().

Reader() [2/2]

tflinspect::Reader::Reader ( )

delete

Member Function Documentation

buffer_info()

size_t tflinspect::Reader::buffer_info	(	uint32_t	buf_idx,
		const uint8_t **	buff_data
	)

Definition at line 40 of file Reader.cpp.

{
  if (buff_data != nullptr)
  {
    *buff_data = nullptr;
  }
 
  if (buf_idx == 0)
    return 0;
 
  if (auto *buffer = (*_buffers)[buf_idx])
  {
    if (auto *array = buffer->data())
    {
      if (size_t size = array->size())
      {
        if (buff_data != nullptr)
        {
          *buff_data = reinterpret_cast<const uint8_t *>(array->data());
        }
        return size;
      }
    }
  }
 
  return 0;
}

References size.

buffers()

const TFliteBuffers_t * tflinspect::Reader::buffers ( )

inline

Definition at line 57 of file Reader.h.

{ return _buffers; }

builtin_code()

tflite::BuiltinOperator tflinspect::Reader::builtin_code

(

const tflite::Operator *

op

)

const

Definition at line 68 of file Reader.cpp.

{
  uint32_t index = op->opcode_index();
  assert(index < _op_codes.size());
  const tflite::OperatorCode *opcode = _op_codes.at(index);
 
  return mio::tflite::builtin_code_neutral(opcode);
}

References mio::tflite::builtin_code_neutral().

Referenced by tflinspect::DumpConv2DWeight::run().

inputs()

const std::vector< int32_t > & tflinspect::Reader::inputs ( ) const

inline

Definition at line 60 of file Reader.h.

{ return _inputs; }

Referenced by validate_onnx2circle.OnnxRunner::feed_random_inputs(), and package.infer.session::set_inputs().

num_subgraph()

uint32_t tflinspect::Reader::num_subgraph ( ) const

inline

Definition at line 63 of file Reader.h.

{ return _subgraphs->size(); }

References flatbuffers::Vector< T >::size().

Referenced by tflinspect::DumpOperators::run(), tflinspect::DumpConv2DWeight::run(), and tflinspect::DumpOperatorVersion::run().

opcode_name()

std::string tflinspect::Reader::opcode_name

(

const tflite::Operator *

op

)

const

Definition at line 77 of file Reader.cpp.

{
  uint32_t index = op->opcode_index();
  assert(index < _op_codes.size());
  const tflite::OperatorCode *opcode = _op_codes.at(index);
 
  if (!mio::tflite::is_valid(opcode))
  {
    std::ostringstream oss;
    oss << "(invalid: " << index << ")";
    return oss.str();
  }
 
  return mio::tflite::opcode_name(opcode);
}

References mio::tflite::is_valid(), and mio::tflite::opcode_name().

Referenced by tflinspect::DumpOperators::run(), tflinspect::DumpConv2DWeight::run(), and tflinspect::DumpOperatorVersion::run().

opcodes()

const std::vector< const tflite::OperatorCode * > & tflinspect::Reader::opcodes ( )

inline

Definition at line 56 of file Reader.h.

{ return _op_codes; }

Referenced by Reader(), and tflinspect::DumpOperatorVersion::run().

operators()

const TFliteOperators_t * tflinspect::Reader::operators ( )

inline

Definition at line 59 of file Reader.h.

{ return _operators; }

Referenced by tflinspect::DumpOperators::run(), tflinspect::DumpConv2DWeight::run(), and tflinspect::DumpOperatorVersion::run().

outputs()

const std::vector< int32_t > & tflinspect::Reader::outputs ( ) const

inline

Definition at line 61 of file Reader.h.

{ return _outputs; }

Referenced by validate_onnx2circle.OnnxRunner::get_outputs(), package.infer.session::inference(), and package.infer.session::set_outputs().

select_subgraph()

bool tflinspect::Reader::select_subgraph

(

uint32_t

subgraph

)

Definition at line 93 of file Reader.cpp.

{
  _tensors = nullptr;
  _operators = nullptr;
 
  _inputs.clear();
  _outputs.clear();
 
  if (_subgraphs->size() <= sgindex)
  {
    assert(false);
    return false;
  }
 
  const tflite::SubGraph *subgraph = (*_subgraphs)[sgindex];
 
  _tensors = subgraph->tensors();
  _operators = subgraph->operators();
 
  _inputs = as_index_vector(subgraph->inputs());
  _outputs = as_index_vector(subgraph->outputs());
 
  return true;
}

References tflinspect::as_index_vector(), and flatbuffers::Vector< T >::size().

Referenced by tflinspect::DumpOperators::run(), tflinspect::DumpConv2DWeight::run(), and tflinspect::DumpOperatorVersion::run().

tensors()

const TFliteTensors_t * tflinspect::Reader::tensors ( )

inline

Definition at line 58 of file Reader.h.

{ return _tensors; }

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

• compiler/tfl-inspect/src/Reader.h
• compiler/tfl-inspect/src/Reader.cpp