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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include "armnn/LayerVisitorBase.hpp"
#include "RangeTracker.hpp"
#include "layers/DebugLayer.hpp"
#include <armnn/INetwork.hpp>
#include <armnnQuantizer/INetworkQuantizer.hpp>
namespace armnn
{
/// Visitor class to establish min/max ranges based on the type of the layer
class DynamicQuantizationVisitor : public LayerVisitorBase<VisitorThrowingPolicy>
{
public:
DynamicQuantizationVisitor(RangeTracker& rangeTracker, Graph& graph);
~DynamicQuantizationVisitor() = default;
/// Functions to set the Range on a per-layer-type basis
void VisitAbsLayer(const IConnectableLayer* layer,
const char* name = nullptr) override;
void VisitAdditionLayer(const IConnectableLayer* layer,
const char* name = nullptr) override;
void VisitArgMinMaxLayer(const IConnectableLayer* layer,
const ArgMinMaxDescriptor& desc,
const char* name = nullptr) override;
void VisitNormalizationLayer(const IConnectableLayer* layer,
const NormalizationDescriptor& desc,
const char* name = nullptr) override ;
void VisitBatchNormalizationLayer(const IConnectableLayer* layer,
const BatchNormalizationDescriptor& desc,
const ConstTensor& mean,
const ConstTensor& variance,
const ConstTensor& beta,
const ConstTensor& gamma,
const char* name = nullptr) override;
void VisitConvolution2dLayer(const IConnectableLayer* layer,
const Convolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const Optional<ConstTensor>& biases,
const char* name = nullptr) override;
void VisitDepthwiseConvolution2dLayer(const IConnectableLayer* layer,
const DepthwiseConvolution2dDescriptor& desc,
const ConstTensor& weights,
const Optional<ConstTensor>& biases,
const char* name = nullptr) override;
void VisitActivationLayer(const IConnectableLayer* layer,
const ActivationDescriptor& activationDescriptor,
const char* name = nullptr) override;
void VisitFullyConnectedLayer(const IConnectableLayer *layer,
const FullyConnectedDescriptor& desc,
const ConstTensor& weights,
const Optional<ConstTensor>& biases,
const char *name) override;
void VisitPermuteLayer(const IConnectableLayer* layer,
const PermuteDescriptor& permuteDescriptor,
const char* name) override;
void VisitSpaceToBatchNdLayer(const IConnectableLayer* layer,
const SpaceToBatchNdDescriptor& spaceToBatchNdDescriptor,
const char* name = nullptr) override;
void VisitPooling2dLayer(const IConnectableLayer* layer,
const Pooling2dDescriptor& pooling2dDescriptor,
const char* name) override;
void VisitSoftmaxLayer(const IConnectableLayer* layer,
const SoftmaxDescriptor& softmaxDescriptor,
const char* name = nullptr) override;
void VisitConcatLayer(const IConnectableLayer* layer,
const ConcatDescriptor& originsDescriptor,
const char* name = nullptr) override;
void VisitConstantLayer(const IConnectableLayer* layer,
const ConstTensor& input,
const char* name = nullptr) override;
void VisitReshapeLayer(const IConnectableLayer* layer,
const ReshapeDescriptor& reshapeDescriptor,
const char* name = nullptr) override;
void VisitSplitterLayer(const IConnectableLayer* layer,
const SplitterDescriptor& splitterDescriptor,
const char* name = nullptr) override;
void VisitResizeBilinearLayer(const IConnectableLayer* layer,
const ResizeBilinearDescriptor& resizeDesc,
const char* name = nullptr) override;
void VisitStridedSliceLayer(const IConnectableLayer* layer,
const StridedSliceDescriptor& stridedSliceDescriptor,
const char* name = nullptr) override;
void VisitBatchToSpaceNdLayer(const IConnectableLayer* layer,
const BatchToSpaceNdDescriptor& batchToSpaceNdDescriptor,
const char* name = nullptr) override;
void VisitInputLayer(const IConnectableLayer* layer,
LayerBindingId id,
const char* name = nullptr) override;
void VisitOutputLayer(const IConnectableLayer* layer,
LayerBindingId id,
const char* name = nullptr) override;
void FinishVisit() override;
void VisitNonCalibratedLayers();
const std::vector<armnn::LayerBindingId>& GetOutputLayers();
private:
/// Set the range for an output slot on a layer
void SetRange(const IConnectableLayer* layer, unsigned int outputIdx, float min, float max);
void ForwardParentParameters(const IConnectableLayer* layer);
/// Mapping from a layer Guid to an array of ranges for outputs
RangeTracker& m_RangeTracker;
Graph& m_Graph;
std::vector<const IConnectableLayer*> m_LayersToCalibrate;
std::vector<const IConnectableLayer*> m_LayersNotToCalibrate;
std::vector<DebugLayer*> m_DebugLayers;
std::vector<armnn::LayerBindingId> m_OutputLayers;
void AddToCalibratedLayers(const IConnectableLayer* layer);
void AddToNonCalibratedLayers(const IConnectableLayer* layer);
void RemoveDebugLayers();
};
} //namespace armnn
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