1 /** 2 * Copyright 2021 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MINDSPORE_CORE_UTILS_HASH_SET_H_ 18 #define MINDSPORE_CORE_UTILS_HASH_SET_H_ 19 20 #include <functional> 21 #if (ENABLE_FAST_HASH_TABLE) && __has_include("include/robin_hood.h") 22 #include "include/robin_hood.h" 23 24 namespace mindspore { 25 template <typename T, typename Hash = robin_hood::hash<T>, typename Equal = std::equal_to<T>> 26 using HashSet = robin_hood::unordered_set<T, Hash, Equal>; 27 28 #else 29 #include <unordered_set> 30 31 namespace mindspore { 32 template <typename T, typename Hash = std::hash<T>, typename Equal = std::equal_to<T>> 33 using HashSet = std::unordered_set<T, Hash, Equal>; 34 35 #endif 36 } // namespace mindspore 37 38 #endif // MINDSPORE_CORE_UTILS_HASH_SET_H_ 39