/** * Copyright 2021 Huawei Technologies Co., Ltd * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef MINDSPORE_MINDSPORE_CCSRC_RUNTIME_DEVICE_GPU_GPU_EVENT_H_ #define MINDSPORE_MINDSPORE_CCSRC_RUNTIME_DEVICE_GPU_GPU_EVENT_H_ #include #include "ir/device_event.h" namespace mindspore::device::gpu { class GpuEvent : public DeviceEvent { public: GpuEvent(); ~GpuEvent() override; void WaitEvent() override; void RecordEvent() override; bool NeedWait() override; void set_wait_stream(void *wait_stream) override { wait_stream_ = static_cast(wait_stream); } void set_record_stream(void *record_stream) override { record_stream_ = static_cast(record_stream); } private: cudaEvent_t event_{nullptr}; cudaStream_t wait_stream_{nullptr}; cudaStream_t record_stream_{nullptr}; bool need_wait_{false}; }; } // namespace mindspore::device::gpu #endif // MINDSPORE_MINDSPORE_CCSRC_RUNTIME_DEVICE_GPU_GPU_EVENT_H_