model_lite.h

/**
 * \file lite/load_and_run/src/models/model_lite.h
 *
 * This file is part of MegEngine, a deep learning framework developed by
 * Megvii.
 *
 * \copyright Copyright (c) 2020-2021 Megvii Inc. All rights reserved.
 */

#pragma once

#include <string>
#include "helpers/common.h"
#include "helpers/data_parser.h"
#include "lite/network.h"
#include "model.h"

namespace lar {
/*!
 * \brief: megengine lite model
 */
class ModelLite : public ModelBase {
public:
    using Strategy = LiteAlgoSelectStrategy;

    ModelLite(const std::string& path);
    //!  model type
    ModelType type() override { return ModelType::LITE_MODEL; }

    //! set to load from shared memory
    void set_shared_mem(bool state) override { share_model_mem = state; }

    //! load model from dump file
    void load_model() override;

    //! run model with given runtime parameter
    void run_model() override;

    //! wait the end of asynchronous function execution
    void wait() override;

    //! get the network of lite model
    std::shared_ptr<lite::Network> get_lite_network() { return m_network; }

    //! get the config of lite model
    lite::Config& get_config() { return config; }

    //! get the networkIO of lite model
    lite::NetworkIO& get_networkIO() { return IO; }

    //! get the data parser
    DataParser& get_input_parser() { return parser; }

    //! set the strategy before load model
    void set_lite_strategy(Strategy& u_strategy) { m_strategy = u_strategy; }

    //! get algo strategy
    Strategy& get_lite_strategy() { return m_strategy; }

private:
    bool share_model_mem;
    std::string model_path;

    DataParser parser;
    lite::Config config;
    lite::NetworkIO IO;

    std::shared_ptr<lite::Network> m_network;

    Strategy m_strategy;
};
}  // namespace lar
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