| // |
| // Copyright © 2017 Arm Ltd. All rights reserved. |
| // SPDX-License-Identifier: MIT |
| // |
| |
| #pragma once |
| |
| #include "LayerVisitorBase.hpp" |
| |
| #include <armnn/INetwork.hpp> |
| #include <armnn/INetworkQuantizer.hpp> |
| |
| #include <unordered_map> |
| |
| namespace armnn |
| { |
| |
| /// Visitor class to establish min/max ranges based on the type of the layer |
| class StaticRangeVisitor : public LayerVisitorBase<VisitorNoThrowPolicy> |
| { |
| private: |
| using MinMaxRange = std::pair<float, float>; |
| using MinMaxRanges = std::vector<MinMaxRange>; |
| |
| public: |
| StaticRangeVisitor(std::unordered_map<LayerGuid, MinMaxRanges>& guidToRangesMap); |
| ~StaticRangeVisitor() = default; |
| |
| /// Functions to set the Range on a per-layer-type basis |
| void VisitAdditionLayer(const IConnectableLayer* layer, 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 VisitActivationLayer(const IConnectableLayer* layer, |
| const ActivationDescriptor& activationDescriptor, |
| const char* name = nullptr) override; |
| |
| /// Retrieve the default range |
| MinMaxRange DefaultRange() const { return std::make_pair(-15.0f, 15.0f); } |
| |
| /// Retrieve the Range for a particular output slot on a particular layer |
| MinMaxRange GetRange(LayerGuid guid, unsigned int idx) const; |
| |
| private: |
| /// Set the range for an output slot on a layer |
| void SetRange(const IConnectableLayer* layer, unsigned int outputIdx, float min, float max); |
| |
| /// Mapping from a layer Guid to an array of ranges for outputs |
| std::unordered_map<LayerGuid, MinMaxRanges>& m_GuidToRangesMap; |
| }; |
| |
| } //namespace armnn |