FilesystemWeightsLoader.h

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/*
* SPDX-FileCopyrightText: Copyright (c) 2020-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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#ifndef NVNEURAL_FILESYSTEMWEIGHTSLOADER_H
#define NVNEURAL_FILESYSTEMWEIGHTSLOADER_H
 
#include <nvneural/CoreTypes.h>
#include <nvneural/CoreHelpers.h>
#include <string>
 
namespace nvneural {
 
    class IFilesystemWeightsLoader : public IRefObject
    {
    public:
        static const IRefObject::TypeId typeID = 0x21f4e2b9c7038e85ul;
 
 
        virtual NeuralResult setAllowRandomWeights(bool allowRandoms) noexcept = 0;
 
        virtual bool allowRandomWeights() const noexcept = 0;
 
 
 
        virtual NeuralResult setAllowNumpyWeights(bool allowNumpy) noexcept = 0;
 
        virtual bool allowNumpyWeights() const noexcept = 0;
 
 
 
        virtual NeuralResult setAllowBinaryWeights(bool allowBinary) noexcept = 0;
 
        virtual bool allowBinaryWeights() const noexcept = 0;
 
    };
 
    class FilesystemWeightsLoader: public refobj::RefObjectBase<
        refobj::Implements<IFilesystemWeightsLoader>,
        refobj::Implements<IWeightsLoader>>
    {
    public:
        explicit FilesystemWeightsLoader(const std::string& weightsPrefix);
 
        NeuralResult getWeightsForLayer(IWeightsData** ppWeightsDataOut, const INetworkRuntime* pNetwork, const ILayer* pLayer, const char* pName) const noexcept override;
 
        NeuralResult setAllowRandomWeights(bool allowRandoms) noexcept override;
        bool allowRandomWeights() const noexcept override;
 
        NeuralResult setAllowNumpyWeights(bool allowNumpy) noexcept override;
        bool allowNumpyWeights() const noexcept override;
 
        NeuralResult setAllowBinaryWeights(bool allowBinary) noexcept override;
        bool allowBinaryWeights() const noexcept override;
 
    protected:
        FilesystemWeightsLoader();
 
        void init(const std::string& weightsPrefix);
 
    private:
        std::string m_weightsPrefix;
        bool m_allowRandomWeights;
        bool m_allowBinaryWeights;
        bool m_allowNumpyWeights;
 
        NeuralResult loadBinaryWeights(IWeightsData** ppWeightsDataOut, const std::string& networkName, const std::string& layerName, TensorDimension layerDim) const;
        NeuralResult loadNumpyWeights(IWeightsData** ppWeightsDataOut, const std::string& networkName, const std::string& layerName, TensorDimension layerDim) const;
        NeuralResult generateRandomWeights(IWeightsData** ppWeightsDataOut, const ILayer* pLayer, TensorDimension weightsDimension) const;
 
        NeuralResult tryLoadNumpyFile(IWeightsData** ppWeightsDataOut, const std::string& path, TensorDimension layerDim) const;
    };
 
} // namespace nvneural
 
#endif // NVNEURAL_FILESYSTEMWEIGHTSLOADER_H