exo::FuseBiasAddPass Struct Reference

Class to fuse TFLAdd or TFLSub into Bias input of the following ops: More...

#include <FuseBiasAddPass.h>

Collaboration diagram for exo::FuseBiasAddPass:

Public Member Functions
const char *	name (void) const final
bool	run (loco::Graph *g) final
	Run the pass.
Public Member Functions inherited from logo::Pass
virtual	~Pass ()=default

Detailed Description

Class to fuse TFLAdd or TFLSub into Bias input of the following ops:

• TFLConv2D, TFLDepthwiseConv2D
• TODO Consider to add FullyConnected, etc.

Case 1. Conv2D and TFLAdd

BEFORE:

              TFLConst A (a scalar or a tensor of shape [1] or [depth of TFLConv2D])
                   |

Foo – TFLConv2D – TFLAdd (or TFLSub) – Bar | TFLConst B –+ (bias)

AFTER: Foo --— TFLConv2D --— Bar | TFLConst A' –+ (bias)

TFLConst B (dead node)

TFLAdd (or TFLSub) (dead node)

Note

TFLSub, of which x() == TFLConv2D and y() == TFLConst, will be fused. If x() == TFLConst and y() == TFLConv2D, it won't be fused.

Definition at line 52 of file FuseBiasAddPass.h.

Member Function Documentation

name()

const char * exo::FuseBiasAddPass::name ( void  ) const

inlinefinalvirtual

Reimplemented from logo::Pass.

Definition at line 54 of file FuseBiasAddPass.h.

{ return "exo::FuseBiasAddPass"; }

run()

bool exo::FuseBiasAddPass::run ( loco::Graph *  graph )

finalvirtual

Run the pass.

Returns

false if there was nothing changed

Implements logo::Pass.

Definition at line 339 of file FuseBiasAddPass.cpp.

{
  Collector collector;
 
  for (auto node : loco::active_nodes(loco::output_nodes(g)))
  {
    if (node->dialect() == locoex::TFLDialect::get())
    {
      auto tfl_node = loco::must_cast<locoex::TFLNode *>(node);
      tfl_node->accept(&collector);
    }
  }
 
  Performer performer;
 
  for (auto node : collector.candidates)
  {
    node->accept(&performer);
  }
 
  return collector.candidates.size() > 0;
}

References locoex::TFLNode::accept(), loco::active_nodes(), locoex::TFLNode::dialect(), locoex::TFLDialect::get(), loco::must_cast(), and loco::output_nodes().

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

• compiler/exo/src/Pass/FuseBiasAddPass.h
• compiler/exo/src/Pass/FuseBiasAddPass.cpp