reminisce commented on a change in pull request #11325: Added TensorRT runtime integration URL: https://github.com/apache/incubator-mxnet/pull/11325#discussion_r197672761
########## File path: src/common/serialization.h ########## @@ -0,0 +1,526 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +/*! + * Copyright (c) 2015 by Contributors + * \file serialization.h + * \brief Serialization of some STL and nnvm data-structures + * \author Clement Fuji Tsang + */ + +#ifndef MXNET_COMMON_SERIALIZATION_H_ +#define MXNET_COMMON_SERIALIZATION_H_ + +#include <dmlc/logging.h> +#include <mxnet/graph_attr_types.h> +#include <nnvm/graph_attr_types.h> +#include <nnvm/tuple.h> + +#include <cstring> +#include <map> +#include <set> +#include <string> +#include <tuple> +#include <unordered_map> +#include <unordered_set> +#include <utility> +#include <vector> + + +namespace mxnet { +namespace common { + +template<typename T> +inline size_t serialized_size(const T& obj); + +template<typename T> +inline size_t serialized_size(const nnvm::Tuple<T>& obj); + +template<typename T> +inline size_t serialized_size(const std::vector<T>& obj); + +template<typename K, typename V> +inline size_t serialized_size(const std::pair<K, V>& obj); + +template<typename K, typename V> +inline size_t serialized_size(const std::map<K, V>& obj); + +template<typename K, typename V> +inline size_t serialized_size(const std::unordered_map<K, V>& obj); + +template<typename K> +inline size_t serialized_size(const std::set<K>& obj); + +template<typename K> +inline size_t serialized_size(const std::unordered_set<K>& obj); + +template<> +inline size_t serialized_size(const std::string& obj); + +template<typename... Args> +inline size_t serialized_size(const std::tuple<Args...>& obj); + +template<typename T> +inline void serialize(const T& obj, char** buffer); + +template<typename T> +inline void serialize(const nnvm::Tuple<T>& obj, char** buffer); + +template<typename T> +inline void serialize(const std::vector<T>& obj, char** buffer); + +template<typename K, typename V> +inline void serialize(const std::pair<K, V>& obj, char** buffer); + +template<typename K, typename V> +inline void serialize(const std::map<K, V>& obj, char** buffer); + +template<typename K, typename V> +inline void serialize(const std::unordered_map<K, V>& obj, char** buffer); + +template<typename K> +inline void serialize(const std::set<K>& obj, char** buffer); + +template<typename K> +inline void serialize(const std::unordered_set<K>& obj, char** buffer); + +template<> +inline void serialize(const std::string& obj, char** buffer); + +template<typename... Args> +inline void serialize(const std::tuple<Args...>& obj, char** buffer); + +template<typename T> +inline void deserialize(T* obj, const std::string& buffer, size_t* curr_pos); + +template<typename T> +inline void deserialize(nnvm::Tuple<T>* obj, const std::string& buffer, size_t* curr_pos); + +template<typename T> +inline void deserialize(std::vector<T>* obj, const std::string& buffer, size_t* curr_pos); + +template<typename K, typename V> +inline void deserialize(std::pair<K, V>* obj, const std::string& buffer, size_t* curr_pos); + +template<typename K, typename V> +inline void deserialize(std::map<K, V>* obj, const std::string& buffer, size_t* curr_pos); + +template<typename K, typename V> +inline void deserialize(std::unordered_map<K, V>* obj, const std::string& buffer, size_t* curr_pos); + +template<typename K> +inline void deserialize(std::set<K>* obj, const std::string& buffer, size_t* curr_pos); + +template<typename K> +inline void deserialize(std::unordered_set<K>* obj, const std::string& buffer, size_t* curr_pos); + +template<> +inline void deserialize(std::string* obj, const std::string& buffer, size_t* curr_pos); + +template<typename... Args> +inline void deserialize(std::tuple<Args...>* obj, const std::string& buffer, size_t* curr_pos); + + +template<typename T> +struct is_cont { + static const bool value = !std::is_pod<T>::value; +}; + +template<typename T> +inline size_t serialized_size(const T& obj) { + return sizeof(T); +} + +template<typename T> +inline size_t serialized_size(const nnvm::Tuple<T>& obj) { + if (is_cont<T>::value) { + size_t sum_val = 4; + for (auto& el : obj) { + sum_val += serialized_size(el); + } + return sum_val; + } else { + return 4 + (obj.ndim() * sizeof(T)); + } +} + +template<typename T> +inline size_t serialized_size(const std::vector<T>& obj) { + if (is_cont<T>::value) { + size_t sum_val = 4; + for (T i : obj) { + sum_val += serialized_size(i); + } + return sum_val; + } else { + return sizeof(T) * obj.size() + 4; + } +} + +template<typename K, typename V> +inline size_t serialized_size(const std::pair<K, V>& obj) { + return serialized_size(obj.first) + serialized_size(obj.second); +} + +template<typename K, typename V> +inline size_t serialized_size(const std::map<K, V>& obj) { + size_t sum_val = 4; + if (is_cont<K>::value && is_cont<V>::value) { + for (auto p : obj) { + sum_val += serialized_size(p.first) + serialized_size(p.second); + } + } else if (is_cont<K>::value) { + for (auto p : obj) { + sum_val += serialized_size(p.first); + } + sum_val += sizeof(V) * obj.size(); + } else if (is_cont<K>::value) { + for (auto p : obj) { + sum_val += serialized_size(p.second); + } + sum_val += sizeof(K) * obj.size(); + } else { + sum_val += (sizeof(K) + sizeof(V)) * obj.size(); + } + return sum_val; +} + +template<typename K, typename V> +inline size_t serialized_size(const std::unordered_map<K, V>& obj) { + size_t sum_val = 4; + if (is_cont<K>::value && is_cont<V>::value) { + for (auto p : obj) { + sum_val += serialized_size(p.first) + serialized_size(p.second); + } + } else if (is_cont<K>::value) { + for (auto p : obj) { + sum_val += serialized_size(p.first); + } + sum_val += sizeof(V) * obj.size(); + } else if (is_cont<K>::value) { + for (auto p : obj) { + sum_val += serialized_size(p.second); + } + sum_val += sizeof(K) * obj.size(); + } else { + sum_val += (sizeof(K) + sizeof(V)) * obj.size(); + } + return sum_val; +} + +template<typename K> +inline size_t serialized_size(const std::set<K>& obj) { + if (is_cont<K>::value) { + size_t sum_val = 4; + for (auto& el : obj) { + sum_val += serialized_size(el); + } + return sum_val; + } else { + return (sizeof(K) * obj.size()) + 4; + } +} + +template<typename K> +inline size_t serialized_size(const std::unordered_set<K>& obj) { + if (is_cont<K>::value) { + size_t sum_val = 4; + for (auto& el : obj) { + sum_val += serialized_size(el); + } + return sum_val; + } else { + return (sizeof(K) * obj.size()) + 4; + } +} + +template<> +inline size_t serialized_size(const std::string& obj) { + return obj.size() + 4; +} + +template<int I> +struct serialized_size_tuple { + template<typename... Args> + static inline size_t compute(const std::tuple<Args...>& obj) { + return serialized_size(std::get<I>(obj)) + serialized_size_tuple<I-1>::compute(obj); + } +}; + +template<> +struct serialized_size_tuple<0> { + template<typename... Args> + static inline size_t compute(const std::tuple<Args...>& obj) { + return serialized_size(std::get<0>(obj)); + } +}; + +template<typename... Args> +inline size_t serialized_size(const std::tuple<Args...>& obj) { + return serialized_size_tuple<sizeof... (Args)-1>::compute(obj); +} + +// SERIALIZE + +template<typename T> +inline size_t serialize_cont_size(const T& obj, char** buffer) { Review comment: cont -> const? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. 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