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_IR_DEVICE_EVENT_H 18 #define MINDSPORE_CORE_IR_DEVICE_EVENT_H 19 20 namespace mindspore { 21 class DeviceEvent { 22 public: 23 virtual ~DeviceEvent() = default; 24 virtual void WaitEvent() = 0; 25 virtual void RecordEvent() = 0; 26 virtual bool NeedWait() = 0; 27 virtual void SyncEvent() = 0; 28 virtual void ElapsedTime(float *cost_time, const DeviceEvent *other) = 0; 29 virtual void set_wait_stream(void *stream) = 0; 30 virtual void set_record_stream(void *stream) = 0; 31 }; 32 } // namespace mindspore 33 #endif // MINDSPORE_CORE_IR_DEVICE_EVENT_H 34