1 /** 2 * Copyright 2024-2024 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_CCSRC_INCLUDE_COMMON_UTILS_STREAM_UTIL_H_ 18 #define MINDSPORE_CCSRC_INCLUDE_COMMON_UTILS_STREAM_UTIL_H_ 19 namespace mindspore { 20 constexpr auto kDefaultStreamIndex = 0; 21 constexpr auto kWorldGroupStreamIndex = 1; 22 constexpr auto kForwardSendStreamIndex = 2; 23 constexpr auto kBackwardSendStreamIndex = 3; 24 constexpr auto kForwardReceiveStreamIndex = 4; 25 constexpr auto kBackwardReceiveStreamIndex = 5; 26 } // namespace mindspore 27 #endif 28