blob: 5ff457ec332e8a02c98d62a4d6b8b4452e3c3683 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
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<VisitorNoThrowPolicy>
{
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 guids so we can easily find the layers later
void RecordLayer(const IConnectableLayer* srcLayer, IConnectableLayer* qLayer);
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
|