def _save(self, step, session):
    'Saves the latest checkpoint.'
    if (step == self._last_saved_step):
        return
    logging.info('Saving checkpoints for %d into %s.', step, self._save_path)
    self._last_saved_time = time.time()
    self._last_saved_step = step
    if (self._saver is None):
        self._scaffold.saver.save(session, self._save_path, global_step=step)
    else:
        self._saver.save(session, self._save_path, global_step=step)
    self._summary_writer.add_session_log(SessionLog(status=SessionLog.CHECKPOINT, checkpoint_path=self._save_path), step)
Saves the latest checkpoint.
def _save(self, step, session):
    
    if (step == self._last_saved_step):
        return
    logging.info('Saving checkpoints for %d into %s.', step, self._save_path)
    self._last_saved_time = time.time()
    self._last_saved_step = step
    if (self._saver is None):
        self._scaffold.saver.save(session, self._save_path, global_step=step)
    else:
        self._saver.save(session, self._save_path, global_step=step)
    self._summary_writer.add_session_log(SessionLog(status=SessionLog.CHECKPOINT, checkpoint_path=self._save_path), step)