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Render a non-empty plot in Mario-RL tutorial #2401

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Merged
merged 2 commits into from
Jun 1, 2023
Merged

Render a non-empty plot in Mario-RL tutorial #2401

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237a56d
Clear plot at beginning of loop so that non-empty image renders
kiersten-stokes Jun 1, 2023
1ab2486
Merge branch 'main' into fix-image-render
Jun 1, 2023
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11 changes: 6 additions & 5 deletions intermediate_source/mario_rl_tutorial.py
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Original file line number Diff line number Diff line change
Expand Up @@ -711,17 +711,18 @@ def record(self, episode, epsilon, step):
f"{datetime.datetime.now().strftime('%Y-%m-%dT%H:%M:%S'):>20}\n"
)

for metric in ["ep_rewards", "ep_lengths", "ep_avg_losses", "ep_avg_qs"]:
plt.plot(getattr(self, f"moving_avg_{metric}"))
plt.savefig(getattr(self, f"{metric}_plot"))
for metric in ["ep_lengths", "ep_avg_losses", "ep_avg_qs", "ep_rewards"]:
plt.clf()
plt.plot(getattr(self, f"moving_avg_{metric}"), label=f"moving_avg_{metric}")
plt.legend()
plt.savefig(getattr(self, f"{metric}_plot"))


######################################################################
# Let’s play!
# """""""""""""""
#
# In this example we run the training loop for 10 episodes, but for Mario to truly learn the ways of
# In this example we run the training loop for 40 episodes, but for Mario to truly learn the ways of
# his world, we suggest running the loop for at least 40,000 episodes!
#
use_cuda = torch.cuda.is_available()
Expand All @@ -735,7 +736,7 @@ def record(self, episode, epsilon, step):

logger = MetricLogger(save_dir)

episodes = 10
episodes = 40
for e in range(episodes):

state = env.reset()
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