evaluator.py 文件源码

def __init__(self, n_runs, eval_interval,
                 outdir, max_episode_len=None, explorer=None,
                 step_offset=0, logger=None):

        self.start_time = time.time()
        self.n_runs = n_runs
        self.eval_interval = eval_interval
        self.outdir = outdir
        self.max_episode_len = max_episode_len
        self.explorer = explorer
        self.step_offset = step_offset
        self.logger = logger or logging.getLogger(__name__)

        # Values below are shared among processes
        self.prev_eval_t = mp.Value(
            'l', self.step_offset - self.step_offset % self.eval_interval)
        self._max_score = mp.Value('f', np.finfo(np.float32).min)
        self.wrote_header = mp.Value('b', False)

        # Create scores.txt
        with open(os.path.join(self.outdir, 'scores.txt'), 'a'):
            pass