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 #include <memory> 21 #include <vector> 22 23 namespace mindspore { 24 class DeviceEvent { 25 public: 26 virtual ~DeviceEvent() = default; 27 virtual bool IsReady() const = 0; 28 virtual void WaitEvent() = 0; 29 virtual bool WaitEvent(uint32_t stream_id) = 0; 30 virtual void WaitEventWithoutReset() = 0; 31 virtual void RecordEvent() = 0; 32 virtual void RecordEvent(uint32_t stream_id) = 0; 33 virtual bool NeedWait() = 0; 34 virtual void SyncEvent() = 0; 35 virtual bool QueryEvent() = 0; 36 virtual void ElapsedTime(float *cost_time, const DeviceEvent *other) = 0; 37 virtual bool DestroyEvent() = 0; 38 virtual void set_wait_stream(void *stream) = 0; 39 virtual void set_record_stream(void *stream) = 0; 40 }; 41 using DeviceEventPtr = std::shared_ptr<DeviceEvent>; 42 using DeviceEventPtrList = std::vector<DeviceEventPtr>; 43 } // namespace mindspore 44 #endif // MINDSPORE_CORE_IR_DEVICE_EVENT_H 45