luci::QuantizeWeightsPass Class Reference

Pass to quantize weights. More...

#include <QuantizeWeightsPass.h>

Collaboration diagram for luci::QuantizeWeightsPass:

Data Structures
struct	Context

Public Member Functions
	QuantizeWeightsPass (std::unique_ptr< Context > &&ctx)
	QuantizeWeightsPass (loco::DataType input_model_dtype, loco::DataType output_model_dtype, QuantizationGranularity granularity)
virtual const char *	name (void) const
bool	run (loco::Graph *graph)
	Run the pass.
Public Member Functions inherited from logo::Pass
virtual	~Pass ()=default

Detailed Description

Pass to quantize weights.

Definition at line 32 of file QuantizeWeightsPass.h.

Constructor & Destructor Documentation

QuantizeWeightsPass() [1/2]

luci::QuantizeWeightsPass::QuantizeWeightsPass ( std::unique_ptr< Context > &&  ctx )

inline

Definition at line 43 of file QuantizeWeightsPass.h.

                                                    : _ctx{std::move(ctx)}
  {
    // DO NOTHING
  }

QuantizeWeightsPass() [2/2]

luci::QuantizeWeightsPass::QuantizeWeightsPass ( loco::DataType  input_model_dtype, loco::DataType  output_model_dtype, QuantizationGranularity  granularity  )

inline

Definition at line 49 of file QuantizeWeightsPass.h.

  {
    _ctx = std::make_unique<Context>();
    {
      _ctx->input_model_dtype = input_model_dtype;
      _ctx->output_model_dtype = output_model_dtype;
      _ctx->granularity = granularity;
    }
  }

Member Function Documentation

name()

virtual const char * luci::QuantizeWeightsPass::name ( void  ) const

inlinevirtual

Reimplemented from logo::Pass.

Definition at line 59 of file QuantizeWeightsPass.h.

{ return "luci::QuantizeWeightsPass"; }

run()

bool luci::QuantizeWeightsPass::run ( loco::Graph *  graph )

virtual

Run the pass.

Returns

false if there was nothing changed

Implements logo::Pass.

Definition at line 26 of file QuantizeWeightsPass.cpp.

{
  LOGGER(l);
  INFO(l) << "QuantizeWeightsPass Start" << std::endl;
 
  if (_ctx->input_model_dtype != loco::DataType::FLOAT32)
    throw std::runtime_error("Weights-only quantization supports float32 input only");
 
  // Quantize weights
  for (auto node : loco::active_nodes(loco::output_nodes(g)))
  {
    auto circle_node = loco::must_cast<luci::CircleNode *>(node);
    QuantizeWeightsOnly qw(_ctx->input_model_dtype, _ctx->output_model_dtype, _ctx->granularity);
    circle_node->accept(&qw);
  }
 
  INFO(l) << "QuantizeWeightsPass End" << std::endl;
  return false; // one time run
}

References loco::active_nodes(), INFO, LOGGER, loco::must_cast(), luci::must_cast(), and loco::output_nodes().

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

• compiler/luci/pass/include/luci/Pass/QuantizeWeightsPass.h
• compiler/luci/pass/src/QuantizeWeightsPass.cpp