moco::ConcatV2GraphBuilder Class Reference

#include <Concat.h>

Collaboration diagram for moco::ConcatV2GraphBuilder:

Public Member Functions
bool	validate (const tensorflow::NodeDef &) const final
void	build (const tensorflow::NodeDef &, GraphBuilderContext *) const final
Public Member Functions inherited from moco::GraphBuilder
virtual	~GraphBuilder ()

Detailed Description

Definition at line 25 of file Concat.h.

Member Function Documentation

build()

void moco::ConcatV2GraphBuilder::build ( const tensorflow::NodeDef &  node, GraphBuilderContext *  context  ) const

finalvirtual

Implements moco::GraphBuilder.

Definition at line 80 of file Concat.cpp.

{
  assert(context != nullptr);
 
  auto graph = context->graph();
  auto tensor_names = context->tensor_names();
  auto updates = context->updates();
 
  const int num_inputs = node.input_size() - 1;
  std::vector<TensorName> input_names;
  auto concat_node = graph->nodes()->create<TFConcatV2>(num_inputs);
  concat_node->name(node.name());
 
  for (int ni = 0; ni < num_inputs; ++ni)
  {
    input_names.push_back(TensorName(node.input(ni)));
  }
  // last one is the axis
  input_names.push_back(TensorName(node.input(num_inputs)));
 
  // register string-name to the last node as output of concat(s)
  TensorName output_name(node.name(), 0);
  tensor_names->enroll(output_name, concat_node);
 
  auto update = std::make_unique<TFConcatV2GraphUpdate>(concat_node, input_names);
  updates->enroll(std::move(update));
}

References moco::SymbolTable::enroll(), moco::GraphBuilderContext::graph(), moco::TFNode::name(), moco::GraphBuilderContext::tensor_names(), moco::update(), and moco::GraphBuilderContext::updates().

validate()

bool moco::ConcatV2GraphBuilder::validate ( const tensorflow::NodeDef &  node ) const

finalvirtual

Implements moco::GraphBuilder.

Definition at line 70 of file Concat.cpp.

{
  if (!plier::tf::has_attrs(node, {"T", "N", "Tidx"}))
    return false;
 
  // Concat node SHOULD have 3 or more inputs, that is 2 + axis
  const int num_inputs = node.input_size() - 1;
  return (num_inputs >= 2) && (num_inputs == plier::tf::get_int_attr(node, "N"));
}

References plier::tf::get_int_attr(), and plier::tf::has_attrs().

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

• compiler/moco/import/include/moco/Import/Nodes/Concat.h
• compiler/moco/import/src/Nodes/Concat.cpp