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 #ifndef MINDSPORE_CORE_UTILS_NUMA_INTERFACE_H_ 17 #define MINDSPORE_CORE_UTILS_NUMA_INTERFACE_H_ 18 19 #include <memory> 20 #include <vector> 21 22 #include "include/api/status.h" 23 #include "mindapi/base/macros.h" 24 25 namespace mindspore { 26 // Now we separate the link from mindspore binary with numa, 27 // and we use dlopen("libnuma") instead. This function will 28 // return a handle which you can do NumaBind and ReleaseLibrary. 29 MS_CORE_API std::shared_ptr<void> GetNumaAdapterHandle(); 30 31 // Totally this function will do: 32 // 1. Get function pointer of numa api 33 // 2. Do numa_bind 34 MS_CORE_API Status NumaBind(void *handle, const int32_t &rank_id); 35 36 MS_CORE_API Status LoadNumaCpuInfo(void *handle, const int32_t rank_id, std::vector<int> *numa_cpus); 37 } // namespace mindspore 38 #endif // MINDSPORE_CORE_UTILS_NUMA_INTERFACE_H_ 39