Method start

colossalai/utils/timer.py:27–32

Firstly synchronize cuda, reset the clock and then start the timer.

(self)

        return time.time()

    def start(self):
        """Firstly synchronize cuda, reset the clock and then start the timer."""
        self._elapsed = 0
        get_accelerator().synchronize()
        self._start_time = time.time()
        self._started = True

    def lap(self):
        """lap time and return elapsed time"""