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author | Derek Lamberti <derek.lamberti@arm.com> | 2019-02-05 16:00:08 +0000 |
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committer | Derek Lamberti <derek.lamberti@arm.com> | 2019-02-06 10:38:09 +0000 |
commit | 27d830720ed706f187f2a40e2c5055e424aa8b91 (patch) | |
tree | 7aac5ae83c79bf53e69f5951871f5cafd232d0a3 /src/armnn/QuantizerVisitor.hpp | |
parent | f08876fce2b472a8c31f09d976fbcfeaaa94d228 (diff) | |
download | armnn-27d830720ed706f187f2a40e2c5055e424aa8b91.tar.gz |
IVGCVSW-2606 Produce quantized InputNetwork from simple FP32 InputNetwork
Change-Id: I2140a7af5961ddf8267fbb127202de3900ea79e3
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>
Diffstat (limited to 'src/armnn/QuantizerVisitor.hpp')
-rw-r--r-- | src/armnn/QuantizerVisitor.hpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/armnn/QuantizerVisitor.hpp b/src/armnn/QuantizerVisitor.hpp new file mode 100644 index 0000000000..bf017d7205 --- /dev/null +++ b/src/armnn/QuantizerVisitor.hpp @@ -0,0 +1,50 @@ +// +// Copyright © 2017 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#pragma once + +#include "LayerVisitorBase.hpp" +#include <armnn/INetwork.hpp> +#include <armnn/Types.hpp> + +#include <map> + +namespace armnn +{ + +// Forward declarations +class StaticRangeVisitor; + +/// Visitor object for quantizing layers in a network +class QuantizerVisitor : public LayerVisitorBase +{ +public: + QuantizerVisitor(StaticRangeVisitor* ranges); + ~QuantizerVisitor() = default; + + // Functions to quantize the individual layers, overridden from ILayerVisitor + void VisitInputLayer(const IConnectableLayer *layer, LayerBindingId id, const char *name = nullptr) override; + void VisitAdditionLayer(const IConnectableLayer *layer, const char *name = nullptr) override; + void VisitOutputLayer(const IConnectableLayer *layer, LayerBindingId id, const char *name = nullptr) override; + + // Extract the quantized network + INetworkPtr RetrieveFinalNetwork() { return std::move(m_QuantizedNetwork); } +private: + + /// Connects the layer to preceeding layers and sets the quantization parameters based on recorded ranges + void SetQuantizedInputConnections(const IConnectableLayer *srcLayer, IConnectableLayer *quantizedLayer); + + /// Record the guid so we can easily find it later + void RecordLayer(IConnectableLayer* layer); + + + StaticRangeVisitor* m_Ranges; ///< Previously recorded min/max ranges per intermediate tensor + INetworkPtr m_QuantizedNetwork; ///< Quantized version of the model we are building up + + std::map<LayerGuid, LayerGuid> m_OldToNewGuidMap; ///< Mapping from input network guids to quantized network guids + std::map<LayerGuid, IConnectableLayer*> m_GuidToLayerMap; ///< Mapping from guid to layer in quantized network +}; + +} //namespace armnn
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