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September 26, 2017 13:17
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tensorforce tqdm progress callback
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from tqdm import tqdm_notebook, tqdm | |
class StepsProgressBarNotebook(object): | |
""" | |
HTML5 logger for tensorforce using tqdm_notebook for jupyter-notebook. | |
Usage: | |
`runner.run(episodes=np.inf, episode_finished=StepsProgressBar(steps=1e9, print_every=1000))` | |
""" | |
def __init__(self, steps, print_every=None, mean_of=100): | |
""" | |
steps - stop after this many total steps | |
print_every - print the mean metrics every log_intv episodes | |
mean_of - progress bar shows the reward as mean of the last n episodes | |
""" | |
self.print_every = print_every | |
self.mean_of = mean_of | |
self.steps = steps | |
self.progbar = tqdm_notebook(desc='', | |
total=steps, | |
leave=True, | |
# mininterval=1, | |
unit='steps' | |
) | |
def __call__(self, r): | |
desc = "reward: {reward: 2.4f} [{rewards_min: 2.0f}, {rewards_max: 2.0f}] episodes: {episodes}".format( | |
reward=np.mean(r.episode_rewards[-self.mean_of:]), | |
rewards_min=np.min(r.episode_rewards[-self.mean_of:]), | |
rewards_max=np.max(r.episode_rewards[-self.mean_of:]), | |
episodes=r.episode, | |
) | |
self.progbar.desc = desc | |
self.progbar.update(r.episode_lengths[-1]) | |
if self.print_every and r.total_timesteps%self.print_every==0: | |
print(self.progbar.desc) | |
return r.total_timesteps<self.steps | |
class StepsProgressBar(object): | |
""" | |
Progress bar for tensorforce that stop after N steps. | |
Usage: | |
`runner.run(episodes=np.inf, episode_finished=StepsProgressBar(steps=1e9, print_every=1000))` | |
""" | |
def __init__(self, steps, print_every=None, mean_of=100): | |
""" | |
steps - stop after this many total steps | |
print_every - print the mean metrics every log_intv episodes | |
mean_of - progress bar shows the reward as mean of the last n episodes | |
""" | |
self.print_every = print_every | |
self.mean_of = mean_of | |
self.steps = steps | |
self.progbar = tqdm(desc='', | |
total=steps, | |
leave=True, | |
# mininterval=1, | |
unit='steps' | |
) | |
def __call__(self, r): | |
desc = "reward: {reward: 2.4f} [{rewards_min: 2.0f}, {rewards_max: 2.0f}] episodes: {episodes}".format( | |
reward=np.mean(r.episode_rewards[-self.mean_of:]), | |
rewards_min=np.min(r.episode_rewards[-self.mean_of:]), | |
rewards_max=np.max(r.episode_rewards[-self.mean_of:]), | |
episodes=r.episode, | |
) | |
self.progbar.desc = desc | |
self.progbar.update(r.episode_lengths[-1]) | |
if self.print_every and r.total_timesteps%self.print_every==0: | |
print(self.progbar.desc) | |
return r.total_timesteps<self.steps |
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