IVGCVSW-2834 Add dynamic quantization via datasets

* Add QuantizationDataSet class for quantization data parsed from CSV file
* Add QuantizationInput for retrieving quantization data for each layer ID
* Add unit tests for command line processor and QuantizationDataSet

Change-Id: Iaf0a747b5f25a59a766ac04f7158e8cb7909d179
Signed-off-by: Nina Drozd <nina.drozd@arm.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/src/armnnQuantizer/QuantizationDataSet.hpp b/src/armnnQuantizer/QuantizationDataSet.hpp
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+++ b/src/armnnQuantizer/QuantizationDataSet.hpp
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+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <map>
+#include "QuantizationInput.hpp"
+#include "armnn/LayerVisitorBase.hpp"
+#include "armnn/Tensor.hpp"
+
+namespace armnnQuantizer
+{
+
+/// QuantizationDataSet is a structure which is created after parsing a quantization CSV file.
+/// It contains records of filenames which contain refinement data per pass ID for binding ID.
+class QuantizationDataSet
+{
+    using QuantizationInputs = std::vector<armnnQuantizer::QuantizationInput>;
+public:
+
+    using iterator = QuantizationInputs::iterator;
+    using const_iterator = QuantizationInputs::const_iterator;
+
+    QuantizationDataSet();
+    QuantizationDataSet(std::string csvFilePath);
+    ~QuantizationDataSet();
+    bool IsEmpty() const {return m_QuantizationInputs.empty();}
+
+    iterator begin() { return m_QuantizationInputs.begin(); }
+    iterator end() { return m_QuantizationInputs.end(); }
+    const_iterator begin() const { return m_QuantizationInputs.begin(); }
+    const_iterator end() const { return m_QuantizationInputs.end(); }
+    const_iterator cbegin() const { return m_QuantizationInputs.cbegin(); }
+    const_iterator cend() const { return m_QuantizationInputs.cend(); }
+
+private:
+    void ParseCsvFile();
+
+    QuantizationInputs m_QuantizationInputs;
+    std::string m_CsvFilePath;
+};
+
+/// Visitor class implementation to gather the TensorInfo for LayerBindingID for creation of ConstTensor for Refine.
+class InputLayerVisitor : public armnn::LayerVisitorBase<armnn::VisitorNoThrowPolicy>
+{
+public:
+    void VisitInputLayer(const armnn::IConnectableLayer *layer, armnn::LayerBindingId id, const char* name);
+    armnn::TensorInfo GetTensorInfo(armnn::LayerBindingId);
+private:
+    std::map<armnn::LayerBindingId, armnn::TensorInfo> m_TensorInfos;
+};
+
+} // namespace armnnQuantizer
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