def experiment(variant):
rdim = variant["rdim"]
vae_paths = {
2:
"/home/ashvin/data/s3doodad/ashvin/vae/point2d-conv-sweep2/run0/id1/params.pkl",
4:
"/home/ashvin/data/s3doodad/ashvin/vae/point2d-conv-sweep2/run0/id4/params.pkl"
}
vae_path = vae_paths[rdim]
vae = joblib.load(vae_path)
print("loaded", vae_path)
if variant['multitask']:
env = MultitaskImagePoint2DEnv(**variant['env_kwargs'])
env = VAEWrappedEnv(env,
vae,
use_vae_obs=True,
use_vae_reward=False,
use_vae_goals=False)
env = MultitaskToFlatEnv(env)
# else:
# env = Pusher2DEnv(**variant['env_kwargs'])
if variant['normalize']:
env = NormalizedBoxEnv(env)
exploration_type = variant['exploration_type']
if exploration_type == 'ou':
es = OUStrategy(action_space=env.action_space)
elif exploration_type == 'gaussian':
es = GaussianStrategy(
action_space=env.action_space,
max_sigma=0.1,
min_sigma=0.1, # Constant sigma
)
elif exploration_type == 'epsilon':
es = EpsilonGreedy(
action_space=env.action_space,
prob_random_action=0.1,
)
else:
raise Exception("Invalid type: " + exploration_type)
obs_dim = env.observation_space.low.size
action_dim = env.action_space.low.size
qf1 = FlattenMlp(
input_size=obs_dim + action_dim,
output_size=1,
hidden_sizes=[400, 300],
)
qf2 = FlattenMlp(
input_size=obs_dim + action_dim,
output_size=1,
hidden_sizes=[400, 300],
)
policy = TanhMlpPolicy(
input_size=obs_dim,
output_size=action_dim,
hidden_sizes=[400, 300],
)
exploration_policy = PolicyWrappedWithExplorationStrategy(
exploration_strategy=es,
policy=policy,
)
algorithm = TD3(env,
training_env=env,
qf1=qf1,
qf2=qf2,
policy=policy,
exploration_policy=exploration_policy,
**variant['algo_kwargs'])
print("use_gpu", variant["use_gpu"], bool(variant["use_gpu"]))
if variant["use_gpu"]:
gpu_id = variant["gpu_id"]
ptu.set_gpu_mode(True)
ptu.set_device(gpu_id)
algorithm.to(ptu.device)
env._wrapped_env.vae.to(ptu.device)
algorithm.train()
def get_envs(variant):
from multiworld.core.image_env import ImageEnv
from railrl.envs.vae_wrappers import VAEWrappedEnv
from railrl.misc.asset_loader import load_local_or_remote_file
render = variant.get('render', False)
vae_path = variant.get("vae_path", None)
reproj_vae_path = variant.get("reproj_vae_path", None)
ckpt = variant.get("ckpt", None)
reward_params = variant.get("reward_params", dict())
init_camera = variant.get("init_camera", None)
do_state_exp = variant.get("do_state_exp", False)
presample_goals = variant.get('presample_goals', False)
presample_image_goals_only = variant.get('presample_image_goals_only', False)
presampled_goals_path = variant.get('presampled_goals_path', None)
if not do_state_exp and type(ckpt) is str:
vae = load_local_or_remote_file(osp.join(ckpt, 'vae.pkl'))
if vae is not None:
from railrl.core import logger
logger.save_extra_data(vae, 'vae.pkl', mode='pickle')
else:
vae = None
if vae is None and type(vae_path) is str:
vae = load_local_or_remote_file(osp.join(vae_path, 'vae_params.pkl'))
from railrl.core import logger
logger.save_extra_data(vae, 'vae.pkl', mode='pickle')
elif vae is None:
vae = vae_path
if type(vae) is str:
vae = load_local_or_remote_file(vae)
else:
vae = vae
if type(reproj_vae_path) is str:
reproj_vae = load_local_or_remote_file(osp.join(reproj_vae_path, 'vae_params.pkl'))
else:
reproj_vae = None
if 'env_id' in variant:
import gym
# trigger registration
env = gym.make(variant['env_id'])
else:
env = variant["env_class"](**variant['env_kwargs'])
if not do_state_exp:
if isinstance(env, ImageEnv):
image_env = env
else:
image_env = ImageEnv(
env,
variant.get('imsize'),
init_camera=init_camera,
transpose=True,
normalize=True,
)
vae_env = VAEWrappedEnv(
image_env,
vae,
imsize=image_env.imsize,
decode_goals=render,
render_goals=render,
render_rollouts=render,
reward_params=reward_params,
reproj_vae=reproj_vae,
**variant.get('vae_wrapped_env_kwargs', {})
)
if presample_goals:
"""
This will fail for online-parallel as presampled_goals will not be
serialized. Also don't use this for online-vae.
"""
if presampled_goals_path is None:
image_env.non_presampled_goal_img_is_garbage = True
presampled_goals = variant['generate_goal_dataset_fctn'](
image_env=image_env,
**variant['goal_generation_kwargs']
)
else:
presampled_goals = load_local_or_remote_file(
presampled_goals_path
).item()
presampled_goals = {
'state_desired_goal': presampled_goals['next_obs_state'],
'image_desired_goal': presampled_goals['next_obs'],
}
image_env.set_presampled_goals(presampled_goals)
vae_env.set_presampled_goals(presampled_goals)
print("Presampling all goals")
else:
if presample_image_goals_only:
presampled_goals = variant['generate_goal_dataset_fctn'](
image_env=vae_env.wrapped_env,
**variant['goal_generation_kwargs']
)
image_env.set_presampled_goals(presampled_goals)
print("Presampling image goals only")
else:
print("Not using presampled goals")
env = vae_env
if not do_state_exp:
training_mode = variant.get("training_mode", "train")
testing_mode = variant.get("testing_mode", "test")
env.add_mode('eval', testing_mode)
env.add_mode('train', training_mode)
env.add_mode('relabeling', training_mode)
# relabeling_env.disable_render()
env.add_mode("video_vae", 'video_vae')
env.add_mode("video_env", 'video_env')
return env
def _disentangled_grill_her_twin_sac_experiment(
max_path_length,
encoder_kwargs,
disentangled_qf_kwargs,
qf_kwargs,
twin_sac_trainer_kwargs,
replay_buffer_kwargs,
policy_kwargs,
vae_evaluation_goal_sampling_mode,
vae_exploration_goal_sampling_mode,
base_env_evaluation_goal_sampling_mode,
base_env_exploration_goal_sampling_mode,
algo_kwargs,
env_id=None,
env_class=None,
env_kwargs=None,
observation_key='state_observation',
desired_goal_key='state_desired_goal',
achieved_goal_key='state_achieved_goal',
latent_dim=2,
vae_wrapped_env_kwargs=None,
vae_path=None,
vae_n_vae_training_kwargs=None,
vectorized=False,
save_video=True,
save_video_kwargs=None,
have_no_disentangled_encoder=False,
**kwargs):
if env_kwargs is None:
env_kwargs = {}
assert env_id or env_class
if env_id:
import gym
import multiworld
multiworld.register_all_envs()
train_env = gym.make(env_id)
eval_env = gym.make(env_id)
else:
eval_env = env_class(**env_kwargs)
train_env = env_class(**env_kwargs)
train_env.goal_sampling_mode = base_env_exploration_goal_sampling_mode
eval_env.goal_sampling_mode = base_env_evaluation_goal_sampling_mode
if vae_path:
vae = load_local_or_remote_file(vae_path)
else:
vae = get_n_train_vae(latent_dim=latent_dim,
env=eval_env,
**vae_n_vae_training_kwargs)
train_env = VAEWrappedEnv(train_env,
vae,
imsize=train_env.imsize,
**vae_wrapped_env_kwargs)
eval_env = VAEWrappedEnv(eval_env,
vae,
imsize=train_env.imsize,
**vae_wrapped_env_kwargs)
obs_dim = train_env.observation_space.spaces[observation_key].low.size
goal_dim = train_env.observation_space.spaces[desired_goal_key].low.size
action_dim = train_env.action_space.low.size
encoder = FlattenMlp(input_size=obs_dim,
output_size=latent_dim,
**encoder_kwargs)
def make_qf():
if have_no_disentangled_encoder:
return FlattenMlp(
input_size=obs_dim + goal_dim + action_dim,
output_size=1,
**qf_kwargs,
)
else:
return DisentangledMlpQf(goal_processor=encoder,
preprocess_obs_dim=obs_dim,
action_dim=action_dim,
qf_kwargs=qf_kwargs,
vectorized=vectorized,
**disentangled_qf_kwargs)
qf1 = make_qf()
qf2 = make_qf()
target_qf1 = make_qf()
target_qf2 = make_qf()
policy = TanhGaussianPolicy(obs_dim=obs_dim + goal_dim,
action_dim=action_dim,
**policy_kwargs)
replay_buffer = ObsDictRelabelingBuffer(
env=train_env,
observation_key=observation_key,
desired_goal_key=desired_goal_key,
achieved_goal_key=achieved_goal_key,
vectorized=vectorized,
**replay_buffer_kwargs)
sac_trainer = SACTrainer(env=train_env,
policy=policy,
qf1=qf1,
qf2=qf2,
target_qf1=target_qf1,
target_qf2=target_qf2,
**twin_sac_trainer_kwargs)
trainer = HERTrainer(sac_trainer)
eval_path_collector = VAEWrappedEnvPathCollector(
eval_env,
MakeDeterministic(policy),
max_path_length,
observation_key=observation_key,
desired_goal_key=desired_goal_key,
goal_sampling_mode=vae_evaluation_goal_sampling_mode,
)
expl_path_collector = VAEWrappedEnvPathCollector(
train_env,
policy,
max_path_length,
observation_key=observation_key,
desired_goal_key=desired_goal_key,
goal_sampling_mode=vae_exploration_goal_sampling_mode,
)
algorithm = TorchBatchRLAlgorithm(
trainer=trainer,
exploration_env=train_env,
evaluation_env=eval_env,
exploration_data_collector=expl_path_collector,
evaluation_data_collector=eval_path_collector,
replay_buffer=replay_buffer,
max_path_length=max_path_length,
**algo_kwargs,
)
algorithm.to(ptu.device)
if save_video:
save_vf_heatmap = save_video_kwargs.get('save_vf_heatmap', True)
if have_no_disentangled_encoder:
def v_function(obs):
action = policy.get_actions(obs)
obs, action = ptu.from_numpy(obs), ptu.from_numpy(action)
return qf1(obs, action)
add_heatmap = partial(add_heatmap_img_to_o_dict,
v_function=v_function)
else:
def v_function(obs):
action = policy.get_actions(obs)
obs, action = ptu.from_numpy(obs), ptu.from_numpy(action)
return qf1(obs, action, return_individual_q_vals=True)
add_heatmap = partial(
add_heatmap_imgs_to_o_dict,
v_function=v_function,
vectorized=vectorized,
)
rollout_function = rf.create_rollout_function(
rf.multitask_rollout,
max_path_length=max_path_length,
observation_key=observation_key,
desired_goal_key=desired_goal_key,
full_o_postprocess_func=add_heatmap if save_vf_heatmap else None,
)
img_keys = ['v_vals'] + [
'v_vals_dim_{}'.format(dim) for dim in range(latent_dim)
]
eval_video_func = get_save_video_function(rollout_function,
eval_env,
MakeDeterministic(policy),
get_extra_imgs=partial(
get_extra_imgs,
img_keys=img_keys),
tag="eval",
**save_video_kwargs)
train_video_func = get_save_video_function(rollout_function,
train_env,
policy,
get_extra_imgs=partial(
get_extra_imgs,
img_keys=img_keys),
tag="train",
**save_video_kwargs)
algorithm.post_train_funcs.append(eval_video_func)
algorithm.post_train_funcs.append(train_video_func)
algorithm.train()
def get_envs(variant):
from multiworld.core.image_env import ImageEnv
from railrl.envs.vae_wrappers import VAEWrappedEnv, ConditionalVAEWrappedEnv
from railrl.misc.asset_loader import load_local_or_remote_file
from railrl.torch.vae.conditional_conv_vae import CVAE, CDVAE, ACE, CADVAE, DeltaCVAE
render = variant.get('render', False)
vae_path = variant.get("vae_path", None)
reward_params = variant.get("reward_params", dict())
init_camera = variant.get("init_camera", None)
do_state_exp = variant.get("do_state_exp", False)
presample_goals = variant.get('presample_goals', False)
presample_image_goals_only = variant.get('presample_image_goals_only',
False)
presampled_goals_path = get_presampled_goals_path(
variant.get('presampled_goals_path', None))
vae = load_local_or_remote_file(
vae_path) if type(vae_path) is str else vae_path
if 'env_id' in variant:
import gym
import multiworld
multiworld.register_all_envs()
env = gym.make(variant['env_id'])
else:
env = variant["env_class"](**variant['env_kwargs'])
if not do_state_exp:
if isinstance(env, ImageEnv):
image_env = env
else:
image_env = ImageEnv(
env,
variant.get('imsize'),
init_camera=init_camera,
transpose=True,
normalize=True,
)
if presample_goals:
"""
This will fail for online-parallel as presampled_goals will not be
serialized. Also don't use this for online-vae.
"""
if presampled_goals_path is None:
image_env.non_presampled_goal_img_is_garbage = True
vae_env = VAEWrappedEnv(image_env,
vae,
imsize=image_env.imsize,
decode_goals=render,
render_goals=render,
render_rollouts=render,
reward_params=reward_params,
**variant.get('vae_wrapped_env_kwargs',
{}))
presampled_goals = variant['generate_goal_dataset_fctn'](
env=vae_env,
env_id=variant.get('env_id', None),
**variant['goal_generation_kwargs'])
del vae_env
else:
presampled_goals = load_local_or_remote_file(
presampled_goals_path).item()
del image_env
image_env = ImageEnv(env,
variant.get('imsize'),
init_camera=init_camera,
transpose=True,
normalize=True,
presampled_goals=presampled_goals,
**variant.get('image_env_kwargs', {}))
vae_env = VAEWrappedEnv(image_env,
vae,
imsize=image_env.imsize,
decode_goals=render,
render_goals=render,
render_rollouts=render,
reward_params=reward_params,
presampled_goals=presampled_goals,
**variant.get('vae_wrapped_env_kwargs',
{}))
print("Presampling all goals only")
else:
if type(vae) is CVAE or type(vae) is CDVAE or type(
vae) is ACE or type(vae) is CADVAE or type(
vae) is DeltaCVAE:
vae_env = ConditionalVAEWrappedEnv(
image_env,
vae,
imsize=image_env.imsize,
decode_goals=render,
render_goals=render,
render_rollouts=render,
reward_params=reward_params,
**variant.get('vae_wrapped_env_kwargs', {}))
else:
vae_env = VAEWrappedEnv(image_env,
vae,
imsize=image_env.imsize,
decode_goals=render,
render_goals=render,
render_rollouts=render,
reward_params=reward_params,
**variant.get('vae_wrapped_env_kwargs',
{}))
if presample_image_goals_only:
presampled_goals = variant['generate_goal_dataset_fctn'](
image_env=vae_env.wrapped_env,
**variant['goal_generation_kwargs'])
image_env.set_presampled_goals(presampled_goals)
print("Presampling image goals only")
else:
print("Not using presampled goals")
env = vae_env
return env
def grill_her_sac_experiment(variant):
env = variant["env_class"](**variant['env_kwargs'])
render = variant["render"]
rdim = variant["rdim"]
vae_path = variant["vae_paths"][str(rdim)]
reward_params = variant.get("reward_params", dict())
init_camera = variant.get("init_camera", None)
if init_camera is None:
camera_name = "topview"
else:
camera_name = None
env = ImageEnv(
env,
84,
init_camera=init_camera,
camera_name=camera_name,
transpose=True,
normalize=True,
)
env = VAEWrappedEnv(
env,
vae_path,
decode_goals=render,
render_goals=render,
render_rollouts=render,
reward_params=reward_params,
**variant.get('vae_wrapped_env_kwargs', {})
)
if variant['normalize']:
env = NormalizedBoxEnv(env)
observation_key = variant.get('observation_key', 'latent_observation')
desired_goal_key = variant.get('desired_goal_key', 'latent_desired_goal')
achieved_goal_key = desired_goal_key.replace("desired", "achieved")
obs_dim = (
env.observation_space.spaces[observation_key].low.size
+ env.observation_space.spaces[desired_goal_key].low.size
)
action_dim = env.action_space.low.size
hidden_sizes = variant.get('hidden_sizes', [400, 300])
qf = FlattenMlp(
input_size=obs_dim + action_dim,
output_size=1,
hidden_sizes=hidden_sizes,
)
vf = FlattenMlp(
input_size=obs_dim,
output_size=1,
hidden_sizes=hidden_sizes,
)
policy = TanhGaussianPolicy(
obs_dim=obs_dim,
action_dim=action_dim,
hidden_sizes=hidden_sizes,
)
training_mode = variant.get("training_mode", "train")
testing_mode = variant.get("testing_mode", "test")
testing_env = pickle.loads(pickle.dumps(env))
testing_env.mode(testing_mode)
training_env = pickle.loads(pickle.dumps(env))
training_env.mode(training_mode)
relabeling_env = pickle.loads(pickle.dumps(env))
relabeling_env.mode(training_mode)
relabeling_env.disable_render()
video_vae_env = pickle.loads(pickle.dumps(env))
video_vae_env.mode("video_vae")
video_goal_env = pickle.loads(pickle.dumps(env))
video_goal_env.mode("video_env")
replay_buffer = ObsDictRelabelingBuffer(
env=relabeling_env,
observation_key=observation_key,
desired_goal_key=desired_goal_key,
achieved_goal_key=achieved_goal_key,
**variant['replay_kwargs']
)
variant["algo_kwargs"]["replay_buffer"] = replay_buffer
algorithm = HerSac(
testing_env,
training_env=training_env,
qf=qf,
vf=vf,
policy=policy,
render=render,
render_during_eval=render,
observation_key=observation_key,
desired_goal_key=desired_goal_key,
**variant['algo_kwargs']
)
if ptu.gpu_enabled():
print("using GPU")
qf.to(ptu.device)
vf.to(ptu.device)
policy.to(ptu.device)
algorithm.to(ptu.device)
for e in [testing_env, training_env, video_vae_env, video_goal_env]:
e.vae.to(ptu.device)
algorithm.train()
if variant.get("save_video", True):
logdir = logger.get_snapshot_dir()
policy.train(False)
filename = osp.join(logdir, 'video_final_env.mp4')
rollout_function = rf.create_rollout_function(
rf.multitask_rollout,
max_path_length=algorithm.max_path_length,
observation_key=algorithm.observation_key,
desired_goal_key=algorithm.desired_goal_key,
)
dump_video(video_goal_env, policy, filename, rollout_function)
filename = osp.join(logdir, 'video_final_vae.mp4')
dump_video(video_vae_env, policy, filename, rollout_function)
def grill_her_td3_experiment(variant):
env = variant["env_class"](**variant['env_kwargs'])
render = variant["render"]
rdim = variant["rdim"]
vae_path = variant["vae_paths"][str(rdim)]
reward_params = variant.get("reward_params", dict())
init_camera = variant.get("init_camera", None)
if init_camera is None:
camera_name = "topview"
else:
camera_name = None
env = ImageEnv(
env,
84,
init_camera=init_camera,
camera_name=camera_name,
transpose=True,
normalize=True,
)
env = VAEWrappedEnv(
env,
vae_path,
decode_goals=render,
render_goals=render,
render_rollouts=render,
reward_params=reward_params,
**variant.get('vae_wrapped_env_kwargs', {})
)
if variant['normalize']:
env = NormalizedBoxEnv(env)
exploration_type = variant['exploration_type']
exploration_noise = variant.get('exploration_noise', 0.1)
if exploration_type == 'ou':
es = OUStrategy(action_space=env.action_space)
elif exploration_type == 'gaussian':
es = GaussianStrategy(
action_space=env.action_space,
max_sigma=exploration_noise,
min_sigma=exploration_noise, # Constant sigma
)
elif exploration_type == 'epsilon':
es = EpsilonGreedy(
action_space=env.action_space,
prob_random_action=exploration_noise,
)
else:
raise Exception("Invalid type: " + exploration_type)
observation_key = variant.get('observation_key', 'latent_observation')
desired_goal_key = variant.get('desired_goal_key', 'latent_desired_goal')
achieved_goal_key = desired_goal_key.replace("desired", "achieved")
obs_dim = (
env.observation_space.spaces[observation_key].low.size
+ env.observation_space.spaces[desired_goal_key].low.size
)
action_dim = env.action_space.low.size
hidden_sizes = variant.get('hidden_sizes', [400, 300])
qf1 = FlattenMlp(
input_size=obs_dim + action_dim,
output_size=1,
hidden_sizes=hidden_sizes,
)
qf2 = FlattenMlp(
input_size=obs_dim + action_dim,
output_size=1,
hidden_sizes=hidden_sizes,
)
policy = TanhMlpPolicy(
input_size=obs_dim,
output_size=action_dim,
hidden_sizes=hidden_sizes,
)
exploration_policy = PolicyWrappedWithExplorationStrategy(
exploration_strategy=es,
policy=policy,
)
training_mode = variant.get("training_mode", "train")
testing_mode = variant.get("testing_mode", "test")
testing_env = pickle.loads(pickle.dumps(env))
testing_env.mode(testing_mode)
training_env = pickle.loads(pickle.dumps(env))
training_env.mode(training_mode)
relabeling_env = pickle.loads(pickle.dumps(env))
relabeling_env.mode(training_mode)
relabeling_env.disable_render()
video_vae_env = pickle.loads(pickle.dumps(env))
video_vae_env.mode("video_vae")
video_goal_env = pickle.loads(pickle.dumps(env))
video_goal_env.mode("video_env")
replay_buffer = ObsDictRelabelingBuffer(
env=relabeling_env,
observation_key=observation_key,
desired_goal_key=desired_goal_key,
achieved_goal_key=achieved_goal_key,
**variant['replay_kwargs']
)
variant["algo_kwargs"]["replay_buffer"] = replay_buffer
algorithm = HerTd3(
testing_env,
training_env=training_env,
qf1=qf1,
qf2=qf2,
policy=policy,
exploration_policy=exploration_policy,
render=render,
render_during_eval=render,
observation_key=observation_key,
desired_goal_key=desired_goal_key,
**variant['algo_kwargs']
)
if ptu.gpu_enabled():
print("using GPU")
algorithm.to(ptu.device)
for e in [testing_env, training_env, video_vae_env, video_goal_env]:
e.vae.to(ptu.device)
algorithm.train()
if variant.get("save_video", True):
logdir = logger.get_snapshot_dir()
policy.train(False)
filename = osp.join(logdir, 'video_final_env.mp4')
rollout_function = rf.create_rollout_function(
rf.multitask_rollout,
max_path_length=algorithm.max_path_length,
observation_key=algorithm.observation_key,
desired_goal_key=algorithm.desired_goal_key,
)
dump_video(video_goal_env, policy, filename, rollout_function)
filename = osp.join(logdir, 'video_final_vae.mp4')
dump_video(video_vae_env, policy, filename, rollout_function)
def experiment(variant):
rdim = variant["rdim"]
use_env_goals = variant["use_env_goals"]
vae_path = variant["vae_paths"][str(rdim)]
render = variant["render"]
wrap_mujoco_env = variant.get("wrap_mujoco_env", False)
# vae = torch.load(vae_path)
# print("loaded", vae_path)
from railrl.envs.wrappers import ImageMujocoEnv, NormalizedBoxEnv
from railrl.images.camera import sawyer_init_camera
env = variant["env"](**variant['env_kwargs'])
env = NormalizedBoxEnv(ImageMujocoEnv(
env,
imsize=84,
keep_prev=0,
init_camera=sawyer_init_camera,
))
if wrap_mujoco_env:
env = ImageMujocoEnv(env, 84, camera_name="topview", transpose=True, normalize=True)
if use_env_goals:
track_qpos_goal = variant.get("track_qpos_goal", 0)
env = VAEWrappedImageGoalEnv(env, vae_path, use_vae_obs=True,
use_vae_reward=True, use_vae_goals=True,
render_goals=render, render_rollouts=render, track_qpos_goal=track_qpos_goal)
else:
env = VAEWrappedEnv(env, vae_path, use_vae_obs=True,
use_vae_reward=True, use_vae_goals=True,
render_goals=render, render_rollouts=render)
env = MultitaskToFlatEnv(env)
if variant['normalize']:
env = NormalizedBoxEnv(env)
exploration_type = variant['exploration_type']
if exploration_type == 'ou':
es = OUStrategy(action_space=env.action_space)
elif exploration_type == 'gaussian':
es = GaussianStrategy(
action_space=env.action_space,
max_sigma=0.1,
min_sigma=0.1, # Constant sigma
)
elif exploration_type == 'epsilon':
es = EpsilonGreedy(
action_space=env.action_space,
prob_random_action=0.1,
)
else:
raise Exception("Invalid type: " + exploration_type)
obs_dim = env.observation_space.low.size
action_dim = env.action_space.low.size
qf1 = FlattenMlp(
input_size=obs_dim + action_dim,
output_size=1,
hidden_sizes=[400, 300],
)
qf2 = FlattenMlp(
input_size=obs_dim + action_dim,
output_size=1,
hidden_sizes=[400, 300],
)
policy = TanhMlpPolicy(
input_size=obs_dim,
output_size=action_dim,
hidden_sizes=[400, 300],
)
exploration_policy = PolicyWrappedWithExplorationStrategy(
exploration_strategy=es,
policy=policy,
)
algorithm = TD3(
env,
training_env=env,
qf1=qf1,
qf2=qf2,
policy=policy,
exploration_policy=exploration_policy,
**variant['algo_kwargs']
)
algorithm.to(ptu.device)
env._wrapped_env.vae.to(ptu.device)
def train_vae(variant):
from railrl.misc.ml_util import PiecewiseLinearSchedule
from railrl.torch.vae.conv_vae import ConvVAE
from railrl.torch.vae.conv_vae_trainer import ConvVAETrainer
from railrl.core import logger
import railrl.torch.pytorch_util as ptu
from multiworld.core.image_env import ImageEnv
from railrl.envs.vae_wrappers import VAEWrappedEnv
from railrl.misc.asset_loader import local_path_from_s3_or_local_path
logger.remove_tabular_output('progress.csv', relative_to_snapshot_dir=True)
logger.add_tabular_output('vae_progress.csv',
relative_to_snapshot_dir=True)
env_id = variant['generate_vae_dataset_kwargs'].get('env_id', None)
if env_id is not None:
import gym
env = gym.make(env_id)
else:
env_class = variant['generate_vae_dataset_kwargs']['env_class']
env_kwargs = variant['generate_vae_dataset_kwargs']['env_kwargs']
env = env_class(**env_kwargs)
representation_size = variant["representation_size"]
beta = variant["beta"]
if 'beta_schedule_kwargs' in variant:
beta_schedule = PiecewiseLinearSchedule(
**variant['beta_schedule_kwargs'])
else:
beta_schedule = None
# obtain training and testing data
dataset_path = variant['generate_vae_dataset_kwargs'].get(
'dataset_path', None)
test_p = variant['generate_vae_dataset_kwargs'].get('test_p', 0.9)
filename = local_path_from_s3_or_local_path(dataset_path)
dataset = np.load(filename, allow_pickle=True).item()
N = dataset['obs'].shape[0]
n = int(N * test_p)
train_data = {}
test_data = {}
for k in dataset.keys():
train_data[k] = dataset[k][:n, :]
test_data[k] = dataset[k][n:, :]
# setup vae
variant['vae_kwargs']['action_dim'] = train_data['actions'].shape[1]
if variant.get('vae_type', None) == "VAE-state":
from railrl.torch.vae.vae import VAE
input_size = train_data['obs'].shape[1]
variant['vae_kwargs']['input_size'] = input_size
m = VAE(representation_size, **variant['vae_kwargs'])
elif variant.get('vae_type', None) == "VAE2":
from railrl.torch.vae.conv_vae2 import ConvVAE2
variant['vae_kwargs']['imsize'] = variant['imsize']
m = ConvVAE2(representation_size, **variant['vae_kwargs'])
else:
variant['vae_kwargs']['imsize'] = variant['imsize']
m = ConvVAE(representation_size, **variant['vae_kwargs'])
if ptu.gpu_enabled():
m.cuda()
# setup vae trainer
if variant.get('vae_type', None) == "VAE-state":
from railrl.torch.vae.vae_trainer import VAETrainer
t = VAETrainer(train_data,
test_data,
m,
beta=beta,
beta_schedule=beta_schedule,
**variant['algo_kwargs'])
else:
t = ConvVAETrainer(train_data,
test_data,
m,
beta=beta,
beta_schedule=beta_schedule,
**variant['algo_kwargs'])
# visualization
vis_variant = variant.get('vis_kwargs', {})
save_video = vis_variant.get('save_video', False)
if isinstance(env, ImageEnv):
image_env = env
else:
image_env = ImageEnv(
env,
variant['generate_vae_dataset_kwargs'].get('imsize'),
init_camera=variant['generate_vae_dataset_kwargs'].get(
'init_camera'),
transpose=True,
normalize=True,
)
render = variant.get('render', False)
reward_params = variant.get("reward_params", dict())
vae_env = VAEWrappedEnv(image_env,
m,
imsize=image_env.imsize,
decode_goals=render,
render_goals=render,
render_rollouts=render,
reward_params=reward_params,
**variant.get('vae_wrapped_env_kwargs', {}))
vae_env.reset()
vae_env.add_mode("video_env", 'video_env')
vae_env.add_mode("video_vae", 'video_vae')
if save_video:
import railrl.samplers.rollout_functions as rf
from railrl.policies.simple import RandomPolicy
random_policy = RandomPolicy(vae_env.action_space)
rollout_function = rf.create_rollout_function(
rf.multitask_rollout,
max_path_length=100,
observation_key='latent_observation',
desired_goal_key='latent_desired_goal',
vis_list=vis_variant.get('vis_list', []),
dont_terminate=True,
)
dump_video_kwargs = variant.get("dump_video_kwargs", dict())
dump_video_kwargs['imsize'] = vae_env.imsize
dump_video_kwargs['vis_list'] = [
'image_observation',
'reconstr_image_observation',
'image_latent_histogram_2d',
'image_latent_histogram_mu_2d',
'image_plt',
'image_rew',
'image_rew_euclidean',
'image_rew_mahalanobis',
'image_rew_logp',
'image_rew_kl',
'image_rew_kl_rev',
]
def visualization_post_processing(save_vis, save_video, epoch):
vis_list = vis_variant.get('vis_list', [])
if save_vis:
if vae_env.vae_input_key_prefix == 'state':
vae_env.dump_reconstructions(epoch,
n_recon=vis_variant.get(
'n_recon', 16))
vae_env.dump_samples(epoch,
n_samples=vis_variant.get('n_samples', 64))
if 'latent_representation' in vis_list:
vae_env.dump_latent_plots(epoch)
if any(elem in vis_list for elem in [
'latent_histogram', 'latent_histogram_mu',
'latent_histogram_2d', 'latent_histogram_mu_2d'
]):
vae_env.compute_latent_histogram()
if not save_video and ('latent_histogram' in vis_list):
vae_env.dump_latent_histogram(epoch=epoch,
noisy=True,
use_true_prior=True)
if not save_video and ('latent_histogram_mu' in vis_list):
vae_env.dump_latent_histogram(epoch=epoch,
noisy=False,
use_true_prior=True)
if save_video and save_vis:
from railrl.envs.vae_wrappers import temporary_mode
from railrl.misc.video_gen import dump_video
from railrl.core import logger
vae_env.compute_goal_encodings()
logdir = logger.get_snapshot_dir()
filename = osp.join(logdir,
'video_{epoch}.mp4'.format(epoch=epoch))
variant['dump_video_kwargs']['epoch'] = epoch
temporary_mode(vae_env,
mode='video_env',
func=dump_video,
args=(vae_env, random_policy, filename,
rollout_function),
kwargs=variant['dump_video_kwargs'])
if not vis_variant.get('save_video_env_only', True):
filename = osp.join(
logdir, 'video_{epoch}_vae.mp4'.format(epoch=epoch))
temporary_mode(vae_env,
mode='video_vae',
func=dump_video,
args=(vae_env, random_policy, filename,
rollout_function),
kwargs=variant['dump_video_kwargs'])
# train vae
for epoch in range(variant['num_epochs']):
#for epoch in range(2000):
save_vis = (epoch % vis_variant['save_period'] == 0
or epoch == variant['num_epochs'] - 1)
save_vae = (epoch % variant['snapshot_gap'] == 0
or epoch == variant['num_epochs'] - 1)
t.train_epoch(epoch)
'''if epoch % 500 == 0 or epoch == variant['num_epochs']-1:
t.test_epoch(
epoch,
save_reconstruction=save_vis,
save_interpolation=save_vis,
save_vae=save_vae,
)
if epoch % 200 == 0 or epoch == variant['num_epochs']-1:
visualization_post_processing(save_video, save_video, epoch)'''
t.test_epoch(
epoch,
save_reconstruction=save_vis,
save_interpolation=save_vis,
save_vae=save_vae,
)
if epoch % 300 == 0 or epoch == variant['num_epochs'] - 1:
visualization_post_processing(save_vis, save_video, epoch)
logger.save_extra_data(m, 'vae.pkl', mode='pickle')
logger.remove_tabular_output(
'vae_progress.csv',
relative_to_snapshot_dir=True,
)
logger.add_tabular_output(
'progress.csv',
relative_to_snapshot_dir=True,
)
print("finished --------------------!!!!!!!!!!!!!!!")
return m
