This commit is contained in:
Johannes Fischer
2021-10-28 13:49:14 +02:00
parent c5b043c49f
commit 070b8fc785

View File

@@ -1,13 +1,13 @@
# %% # %%
# import sys import sys
# sys.path.append('../../../') sys.path.append('../../../')
from src.discriminator import CnnDiscriminator, CnnDiscriminatorFlatAction from src.discriminator import CnnDiscriminator, CnnDiscriminatorFlatAction
from imitation.algorithms import adversarial from imitation.algorithms import adversarial
import stable_baselines3 import stable_baselines3
import torch.utils.data import torch.utils.data
import numpy as np import numpy as np
from intersim.envs.intersimple import NRasterized, NRasterizedRandomAgent, speed_reward from intersim.envs.intersimple import NRasterized, speed_reward
import itertools import itertools
import functools import functools
from torch.distributions import Categorical from torch.distributions import Categorical
@@ -26,13 +26,12 @@ from src.gail.train import train_discriminator, train_generator
from src.evaluation.evaluation import Evaluation from src.evaluation.evaluation import Evaluation
model_name = 'gail_options_image' model_name = 'gail_options_image'
Env = NRasterizedRandomAgent env_settings = {'agent': 51, 'width': 36, 'height': 36, 'm_per_px': 2}
env_settings = {'width': 36, 'height': 36, 'm_per_px': 2}
ALL_OPTIONS = [(v,t) for v in [0,2,4,6,8] for t in [5]] # option 0 is safe fallback ALL_OPTIONS = [(v,t) for v in [0,2,4,6,8] for t in [5, 10]] # option 0 is safe fallback
def train(expert_data, epochs=20, expert_batch_size=32, generator_steps=32, discount=0.99): def train(expert_data, epochs=20, expert_batch_size=32, generator_steps=1024, discount=0.99):
env = Env(**env_settings) env = NRasterized(**env_settings)
env.discount = discount env.discount = discount
tempdir = tempfile.TemporaryDirectory(prefix="quickstart") tempdir = tempfile.TemporaryDirectory(prefix="quickstart")
@@ -40,7 +39,7 @@ def train(expert_data, epochs=20, expert_batch_size=32, generator_steps=32, disc
logger.configure(tempdir_path / "GAIL/") logger.configure(tempdir_path / "GAIL/")
print(f"All Tensorboards and logging are being written inside {tempdir_path}/.") print(f"All Tensorboards and logging are being written inside {tempdir_path}/.")
venv = make_vec_env(Env, n_envs=1, env_kwargs=env_settings) venv = make_vec_env(NRasterized, n_envs=1, env_kwargs=env_settings)
discriminator = adversarial.GAIL( discriminator = adversarial.GAIL(
expert_data=expert_data, expert_data=expert_data,
expert_batch_size=expert_batch_size, expert_batch_size=expert_batch_size,
@@ -68,41 +67,19 @@ def train(expert_data, epochs=20, expert_batch_size=32, generator_steps=32, disc
train_discriminator(LLOptions(env, options=ALL_OPTIONS), generator, discriminator, num_samples=expert_batch_size) train_discriminator(LLOptions(env, options=ALL_OPTIONS), generator, discriminator, num_samples=expert_batch_size)
train_generator(HLOptions(env, options=ALL_OPTIONS), generator, discriminator, num_samples=generator_steps) train_generator(HLOptions(env, options=ALL_OPTIONS), generator, discriminator, num_samples=generator_steps)
eval_env = Env(reward=functools.partial(speed_reward, collision_penalty=0.), **env_settings) eval_env = env
ev = Evaluation(eval_env, n_eval_episodes=10) ev = Evaluation(eval_env, n_eval_episodes=100)
ev.evaluate(epoch, generator, discriminator, expert_data) ev.evaluate(epoch, generator, discriminator, expert_data)
return generator return generator
# class CAPolicy:
# def __init__(self, a):
# self.a = torch.tensor([a])
# def predict(self, obs, state=None, deterministic=False):
# return self.a, state
# %% # %%
if __name__ == '__main__': if __name__ == '__main__':
# %% # %%
with open("scratch/etienne/intersimple/data/NormalizedIntersimpleExpertMu.001N200_NRasterizedInfoAgent51w36h36mppx2.pkl", "rb") as f: with open("data/NormalizedIntersimpleExpertMu.001_NRasterizedInfoAgent51w36h36mppx2.pkl", "rb") as f:
trajectories = pickle.load(f) trajectories = pickle.load(f)
transitions = rollout.flatten_trajectories(trajectories) transitions = rollout.flatten_trajectories(trajectories)
###
# env = NRasterizedIncrementingAgent(reward=functools.partial(speed_reward, collision_penalty=0.), **env_settings)
# generator = CAPolicy(.5)
# ev = Evaluation(env, 10)
# ev.evaluate(1, generator, None, transitions)
# exit()
###
generator = train(transitions) generator = train(transitions)
generator.save(model_name) generator.save(model_name)
@@ -110,7 +87,7 @@ if __name__ == '__main__':
# %% # %%
model = stable_baselines3.PPO.load(model_name) model = stable_baselines3.PPO.load(model_name)
env = RenderOptions(NRasterizedRandomAgent(**env_settings), options=ALL_OPTIONS) env = RenderOptions(NRasterized(**env_settings), options=ALL_OPTIONS)
for s in env.sample_ll(model): for s in env.sample_ll(model):
if s['dones']: if s['dones']: