onert::backend::acl_common::AclSubTensorAnalyzer Class Reference

Class to analyze tensor subsumption. More...

#include <AclSubTensorAnalyzer.h>

Collaboration diagram for onert::backend::acl_common::AclSubTensorAnalyzer:

Public Member Functions
	AclSubTensorAnalyzer (const ir::Graph &graph)
	Construct a new SubTensorAnalyzer object.
void	setUsePadding ()
void	visit (const ir::operation::Concat &node) override
std::unordered_map< ir::OperandIndex, cl_common::ParentInfo > &&	releaseParentMap ()
Public Member Functions inherited from onert::ir::OperationVisitor
virtual	~OperationVisitor ()=default

Detailed Description

Class to analyze tensor subsumption.

Definition at line 35 of file AclSubTensorAnalyzer.h.

Constructor & Destructor Documentation

AclSubTensorAnalyzer()

onert::backend::acl_common::AclSubTensorAnalyzer::AclSubTensorAnalyzer ( const ir::Graph &  graph )

inline

Construct a new SubTensorAnalyzer object.

Parameters

[in]

ctx

Graph operand set

Definition at line 42 of file AclSubTensorAnalyzer.h.

                                             : _graph{graph}
  {
    // DO NOTHING
  }

Member Function Documentation

releaseParentMap()

std::unordered_map< ir::OperandIndex, cl_common::ParentInfo > && onert::backend::acl_common::AclSubTensorAnalyzer::releaseParentMap ( )

inline

Definition at line 102 of file AclSubTensorAnalyzer.h.

  {
    return std::move(_parent_map);
  }

setUsePadding()

void onert::backend::acl_common::AclSubTensorAnalyzer::setUsePadding ( )

inline

Definition at line 48 of file AclSubTensorAnalyzer.h.

{ usePadding = true; }

visit()

void onert::backend::acl_common::AclSubTensorAnalyzer::visit ( const ir::operation::Concat &  node )

inlineoverride

NOTE Not support below cases.

1. concat's input is a constant.
2. concat's input is a input of model.
3. concat's input already becomes a subtensor of another concat.

Definition at line 50 of file AclSubTensorAnalyzer.h.

  {
    //  If operator is concat, fill subsumption info
    int32_t axis_raw = node.param().axis;
 
    const auto &output_index = node.getOutputs().at(0);
    const auto &inputs = node.getInputs();
 
    int32_t axis_point = 0;
    const auto rank = _graph.operands().at(output_index).shape().rank();
    int32_t axis = axis_raw < 0 ? (axis_raw + rank) : axis_raw;
    assert(rank > axis);
 
    // Concat elimination when axis is last dimension is not supported
    // https://github.com/Samsung/ONE/issues/4407
    // TODO Enable if backend don't use padding
    if ((axis == rank - 1) && usePadding)
      return;
 
    for (const auto &ind : inputs)
    {
      if (_graph.operands().at(ind).isConstant() || _graph.getInputs().contains(ind) ||
          _parent_map.find(ind) != _parent_map.end())
      {
        return;
      }
    }
 
    for (const auto &input_index : inputs)
    {
      auto input_shape = _graph.operands().at(input_index).shape();
      assert(rank == input_shape.rank());
 
      ir::Coordinates coordinate_info{};
      for (int i = 0; i < rank; i++)
      {
        coordinate_info.set(i, 0);
      }
      coordinate_info.set(axis, axis_point);
 
      _parent_map.emplace(input_index, cl_common::ParentInfo{output_index, coordinate_info});
 
      axis_point += input_shape.dim(axis);
    }
  }

References onert::util::ObjectManager< Index, Object >::at(), onert::ir::OperandIndexSequence::at(), onert::ir::operation::Concat::Param::axis, onert::ir::OperandIndexSequence::contains(), onert::ir::Operation::getInputs(), onert::ir::Graph::getInputs(), onert::ir::Operation::getOutputs(), onert::ir::Graph::operands(), onert::ir::operation::Concat::param(), and onert::ir::Coordinates::set().

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

• runtime/onert/backend/acl_common/AclSubTensorAnalyzer.h