Class CLEvent

tensorflow/lite/delegates/gpu/cl/cl_event.h:29–63

A RAII wrapper around opencl event

// A RAII wrapper around opencl event
class CLEvent {
 public:
  CLEvent() {}
  explicit CLEvent(cl_event event);

  // Move only
  CLEvent(CLEvent&& event);
  CLEvent& operator=(CLEvent&& event);
  CLEvent(const CLEvent&) = delete;
  CLEvent& operator=(const CLEvent&) = delete;

  ~CLEvent();

  uint64_t GetStartedTimeNs() const;
  uint64_t GetFinishedTimeNs() const;

  double GetEventTimeMs() const;
  uint64_t GetEventTimeNs() const;

  void Wait() const;

  cl_event event() const { return event_; }

  bool is_valid() const { return event_ != nullptr; }

  void SetName(const std::string& name);
  std::string GetName() const { return name_; }

 private:
  void Release();

  cl_event event_ = nullptr;

  std::string name_;  // optional, for profiling mostly
};

}  // namespace cl
}  // namespace gpu