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train.py
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train.py
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import os
import pathlib
import sys
import time
from collections import defaultdict
import click
import gym
import numpy as np
import json
from mpi4py import MPI
from baselines import logger
from baselines.common import set_global_seeds
from baselines.common.mpi_moments import mpi_moments
import baselines.her.experiment.config as config
from baselines.her.rollout import RolloutWorker
from baselines.her.util import mpi_fork, snn
import os.path as osp
import tempfile
import datetime
from baselines.her.util import (dumpJson, loadJson, save_video, save_weight, load_weight)
import pickle
import tensorflow as tf
import wandb
from utils import FigManager, plot_trajectories, setup_evaluation, record_video, draw_2d_gaussians, RunningMeanStd, \
get_option_colors
g_start_time = int(datetime.datetime.now().timestamp())
def mpi_average(value):
if value == []:
value = [0.]
if not isinstance(value, list):
value = [value]
return mpi_moments(np.array(value))[0]
def sample_skill(num_skills, rollout_batch_size, use_skill_n=None, skill_type='discrete'):
# sample skill z
if skill_type == 'discrete':
z_s = np.random.randint(0, num_skills, rollout_batch_size)
if use_skill_n:
use_skill_n = use_skill_n - 1
z_s.fill(use_skill_n)
z_s_onehot = np.zeros([rollout_batch_size, num_skills])
z_s = np.array(z_s).reshape(rollout_batch_size, 1)
for i in range(rollout_batch_size):
z_s_onehot[i, z_s[i]] = 1
return z_s, z_s_onehot
else:
z_s = np.zeros((rollout_batch_size, 1))
z_s_onehot = np.random.randn(rollout_batch_size, num_skills)
return z_s, z_s_onehot
def iod_eval(eval_dir, env_name, evaluator, video_evaluator, num_skills, skill_type, plot_repeats, epoch, goal_generation, n_random_trajectories):
if goal_generation == 'Zero':
generated_goal = np.zeros(evaluator.g.shape)
else:
generated_goal = False
if env_name != 'Maze':
# Video eval
if skill_type == 'discrete':
video_eval_options = np.eye(num_skills)
if num_skills == 1:
video_eval_options = np.ones((9, 1))
else:
if num_skills == 2:
video_eval_options = []
for dist in [4.5]:
for angle in [3, 2, 1, 4]:
video_eval_options.append([dist * np.cos(angle * np.pi / 4), dist * np.sin(angle * np.pi / 4)])
video_eval_options.append([0, 0])
for dist in [4.5]:
for angle in [0, 5, 6, 7]:
video_eval_options.append([dist * np.cos(angle * np.pi / 4), dist * np.sin(angle * np.pi / 4)])
video_eval_options = np.array(video_eval_options)
elif num_skills <= 5:
video_eval_options = []
for dist in [-4.5, -2.25, 2.25, 4.5]:
for dim in range(num_skills):
cur_option = [0] * num_skills
cur_option[dim] = dist
video_eval_options.append(cur_option)
video_eval_options.append([0.] * num_skills)
video_eval_options = np.array(video_eval_options)
else:
video_eval_options = np.random.randn(9, num_skills) * 4.5 / 1.25
# Record each option twice
video_eval_options = np.repeat(video_eval_options, 2, axis=0)
if skill_type == 'continuous':
video_eval_options = video_eval_options / 4.5 * 1.25
video_evaluator.clear_history()
video_evaluator.render = 'rgb_array'
i = 0
imgss = []
while i < len(video_eval_options):
z = video_eval_options[i:i + video_evaluator.rollout_batch_size]
if len(z) != video_evaluator.rollout_batch_size:
remainder = video_evaluator.rollout_batch_size - z.shape[0]
z = np.concatenate([z, np.zeros((remainder, z.shape[1]))], axis=0)
else:
remainder = 0
imgs, _ = video_evaluator.generate_rollouts(generated_goal=generated_goal, z_s_onehot=z)
for j in range(len(imgs) - remainder):
imgss.append(imgs[j])
# filename = eval_dir + f'/videos/video_epoch_{epoch}_skill_{z[j]}.avi'
# save_video(imgs[j], filename)
i += video_evaluator.rollout_batch_size
video_evaluator.render = False
filename = eval_dir + f'/videos/video_epoch_{epoch}.mp4'
record_video(filename, imgss)
label = 'video'
logger.record_tabular(label, (filename, label))
# Plot eval
if skill_type == 'discrete':
eval_options = np.eye(num_skills)
colors = np.arange(0, num_skills)
eval_options = eval_options.repeat(plot_repeats, axis=0)
colors = colors.repeat(plot_repeats, axis=0)
num_evals = len(eval_options)
eval_option_colors = []
from matplotlib import cm
cmap = 'tab10' if num_skills <= 10 else 'tab20'
for i in range(num_evals):
eval_option_colors.extend([cm.get_cmap(cmap)(colors[i])[:3]])
eval_option_colors = np.array(eval_option_colors)
random_eval_options = eval_options
random_eval_option_colors = eval_option_colors
else:
random_eval_options = np.random.randn(n_random_trajectories, num_skills)
random_eval_option_colors = get_option_colors(random_eval_options * 2)
for cur_type in ['Random']:
grips = []
achs = []
xzs = []
yzs = []
xyzs = []
obs = []
options = []
infos = defaultdict(list)
evaluator.clear_history()
i = 0
num_trajs = len(random_eval_options)
cur_colors = random_eval_option_colors
while i < num_trajs:
z = random_eval_options[i:i + evaluator.rollout_batch_size]
if len(z) != evaluator.rollout_batch_size:
remainder = evaluator.rollout_batch_size - z.shape[0]
z = np.concatenate([z, np.zeros((remainder, z.shape[1]))], axis=0)
else:
remainder = 0
rollouts = evaluator.generate_rollouts(generated_goal=generated_goal, z_s_onehot=z)
grip_coords = rollouts['o'][:, :, 0:2]
if 'Kitchen' in env_name:
target_coords = [23, 24, 25]
else:
target_coords = [3, 4, 5]
ach_coords = rollouts['o'][:, :, [target_coords[0], target_coords[1]]]
xz_coords = rollouts['o'][:, :, [target_coords[0], target_coords[2]]]
yz_coords = rollouts['o'][:, :, [target_coords[1], target_coords[2]]]
xyz_coords = rollouts['o'][:, :, target_coords]
ob = rollouts['o'][:, :, :]
grips.extend(grip_coords[:evaluator.rollout_batch_size - remainder])
achs.extend(ach_coords[:evaluator.rollout_batch_size - remainder])
xzs.extend(xz_coords[:evaluator.rollout_batch_size - remainder])
yzs.extend(yz_coords[:evaluator.rollout_batch_size - remainder])
xyzs.extend(xyz_coords[:evaluator.rollout_batch_size - remainder])
obs.extend(ob[:evaluator.rollout_batch_size - remainder])
options.extend(z[:evaluator.rollout_batch_size - remainder])
if 'Kitchen' in env_name:
for key, val in rollouts.items():
if not key.startswith('info_Task'):
continue
infos[key].extend(val[:, :, 0].max(axis=1))
i += evaluator.rollout_batch_size
for label, trajs in [(f'EvalOp__TrajPlotWithCFrom{cur_type}', achs), (f'EvalOp__GripPlotWithCFrom{cur_type}', grips),
(f'EvalOp__XzPlotWithCFrom{cur_type}', xzs), (f'EvalOp__YzPlotWithCFrom{cur_type}', yzs)]:
with FigManager(label, epoch, eval_dir) as fm:
if 'Fetch' in env_name:
plot_axis = [0, 2, 0, 2]
elif env_name == 'Maze':
plot_axis = [-2, 2, -2, 2]
elif 'Kitchen' in env_name:
plot_axis = [-3, 3, -3, 3]
else:
plot_axis = None
plot_trajectories(
trajs, cur_colors, plot_axis=plot_axis, ax=fm.ax
)
if cur_type == 'Random':
coords = np.concatenate(xyzs, axis=0)
coords = coords * 10
uniq_coords = np.unique(np.floor(coords), axis=0)
uniq_xy_coords = np.unique(np.floor(coords[:, :2]), axis=0)
logger.record_tabular('Fetch/NumTrajs', len(xyzs))
logger.record_tabular('Fetch/AvgTrajLen', len(coords) / len(xyzs) - 1)
logger.record_tabular('Fetch/NumCoords', len(coords))
logger.record_tabular('Fetch/NumUniqueXYZCoords', len(uniq_coords))
logger.record_tabular('Fetch/NumUniqueXYCoords', len(uniq_xy_coords))
if 'Kitchen' in env_name:
for key, val in infos.items():
logger.record_tabular(f'Kitchen/{key[9:]}', np.minimum(1., np.max(val)))
def train(
logdir, policy, rollout_worker, env_name,
evaluator, video_evaluator, n_epochs, train_start_epoch, n_test_rollouts, n_cycles, n_batches, policy_save_interval,
save_policies, num_cpu, collect_data, collect_video, goal_generation, num_skills, use_skill_n, batch_size,
sk_r_scale,
skill_type, plot_freq, plot_repeats, n_random_trajectories, sk_clip, et_clip, done_ground,
**kwargs
):
rank = MPI.COMM_WORLD.Get_rank()
latest_policy_path = os.path.join(logger.get_dir(), 'policy_latest.pkl')
best_policy_path = os.path.join(logger.get_dir(), 'policy_best.pkl')
periodic_policy_path = os.path.join(logger.get_dir(), 'policy_{}.pkl')
restore_info_path = os.path.join(logger.get_dir(), 'restore_info.pkl')
with open(restore_info_path, 'wb') as f:
pickle.dump(dict(
dimo=policy.dimo,
dimz=policy.dimz,
dimg=policy.dimg,
dimu=policy.dimu,
hidden=policy.hidden,
layers=policy.layers,
), f)
logger.info("Training...")
best_success_rate = -1
t = 1
start_time = time.time()
cur_time = time.time()
for epoch in range(n_epochs):
# train
episodes = []
rollout_worker.clear_history()
for cycle in range(n_cycles):
z_s, z_s_onehot = sample_skill(num_skills, rollout_worker.rollout_batch_size, use_skill_n, skill_type=skill_type)
if goal_generation == 'Zero':
generated_goal = np.zeros(rollout_worker.g.shape)
else:
generated_goal = False
if train_start_epoch <= epoch:
episode = rollout_worker.generate_rollouts(generated_goal=generated_goal, z_s_onehot=z_s_onehot)
else:
episode = rollout_worker.generate_rollouts(generated_goal=generated_goal, z_s_onehot=z_s_onehot, random_action=True)
episodes.append(episode)
policy.store_episode(episode)
for batch in range(n_batches):
t = epoch
if train_start_epoch <= epoch:
policy.train(t)
# train skill discriminator
if sk_r_scale > 0:
o_s = policy.buffer.buffers['o'][0: policy.buffer.current_size]
o2_s = policy.buffer.buffers['o'][0: policy.buffer.current_size][:, 1:, :]
z_s = policy.buffer.buffers['z'][0: policy.buffer.current_size]
u_s = policy.buffer.buffers['u'][0: policy.buffer.current_size]
T = z_s.shape[-2]
episode_idxs = np.random.randint(0, policy.buffer.current_size, batch_size)
t_samples = np.random.randint(T, size=batch_size)
o_s_batch = o_s[episode_idxs, t_samples]
o2_s_batch = o2_s[episode_idxs, t_samples]
z_s_batch = z_s[episode_idxs, t_samples]
u_s_batch = u_s[episode_idxs, t_samples]
if train_start_epoch <= epoch:
policy.train_sk(o_s_batch, z_s_batch, o2_s_batch, u_s_batch)
if policy.dual_dist != 'l2':
add_dict = dict()
policy.train_sk_dist(o_s_batch, z_s_batch, o2_s_batch, add_dict)
# #
if train_start_epoch <= epoch:
policy.update_target_net()
if collect_data and (rank == 0):
dumpJson(logdir, episodes, epoch, rank)
if plot_freq != 0 and epoch % plot_freq == 0:
iod_eval(logdir, env_name, evaluator, video_evaluator, num_skills, skill_type, plot_repeats, epoch, goal_generation, n_random_trajectories)
# test
evaluator.clear_history()
for _ in range(n_test_rollouts):
z_s, z_s_onehot = sample_skill(num_skills, evaluator.rollout_batch_size, use_skill_n, skill_type=skill_type)
evaluator.generate_rollouts(generated_goal=False, z_s_onehot=z_s_onehot)
# record logs
logger.record_tabular('time/total_time', time.time() - start_time)
logger.record_tabular('time/epoch_time', time.time() - cur_time)
cur_time = time.time()
logger.record_tabular('epoch', epoch)
for key, val in evaluator.logs('test'):
logger.record_tabular(key, mpi_average(val))
if n_cycles != 0:
for key, val in rollout_worker.logs('train'):
logger.record_tabular(key, mpi_average(val))
for key, val in policy.logs(is_policy_training=(train_start_epoch <= epoch)):
logger.record_tabular(key, mpi_average(val))
logger.record_tabular('best_success_rate', best_success_rate)
if rank == 0:
logger.dump_tabular()
# save the policy if it's better than the previous ones
success_rate = mpi_average(evaluator.current_success_rate())
if rank == 0 and success_rate >= best_success_rate and save_policies:
best_success_rate = success_rate
logger.info('New best success rate: {}. Saving policy to {} ...'.format(best_success_rate, best_policy_path))
evaluator.save_policy(best_policy_path)
evaluator.save_policy(latest_policy_path)
if rank == 0 and policy_save_interval > 0 and epoch % policy_save_interval == 0 and save_policies:
policy_path = periodic_policy_path.format(epoch)
logger.info('Saving periodic policy to {} ...'.format(policy_path))
evaluator.save_policy(policy_path)
# make sure that different threads have different seeds
local_uniform = np.random.uniform(size=(1,))
root_uniform = local_uniform.copy()
MPI.COMM_WORLD.Bcast(root_uniform, root=0)
if rank != 0:
assert local_uniform[0] != root_uniform[0]
def launch(
run_group, env_name, n_epochs, train_start_epoch, num_cpu, seed, replay_strategy, policy_save_interval, clip_return, binding, logging,
num_skills, version, n_cycles, note, skill_type, plot_freq, plot_repeats, n_random_trajectories,
sk_r_scale, et_r_scale, sk_clip, et_clip, done_ground,
max_path_length, hidden, layers, rollout_batch_size, n_batches, polyak, spectral_normalization,
dual_reg, dual_init_lambda, dual_lam_opt, dual_slack, dual_dist,
inner, algo, random_eps, noise_eps, lr, sk_lam_lr, buffer_size, algo_name,
load_weight, override_params={}, save_policies=True,
):
tf.compat.v1.disable_eager_execution()
# Fork for multi-CPU MPI implementation.
if num_cpu > 1:
whoami = mpi_fork(num_cpu, binding)
if whoami == 'parent':
sys.exit(0)
import baselines.common.tf_util as U
U.single_threaded_session().__enter__()
rank = MPI.COMM_WORLD.Get_rank()
# Configure logging
if logging:
logdir = ''
logdir += f'logs/{run_group}/'
logdir += f'sd{seed:03d}_'
if 'SLURM_JOB_ID' in os.environ:
logdir += f's_{os.environ["SLURM_JOB_ID"]}.'
if 'SLURM_PROCID' in os.environ:
logdir += f'{os.environ["SLURM_PROCID"]}.'
if 'SLURM_RESTART_COUNT' in os.environ:
logdir += f'rs_{os.environ["SLURM_RESTART_COUNT"]}.'
logdir += f'{g_start_time}_'
logdir += str(env_name)
logdir += '_ns' + str(num_skills)
logdir += '_sn' + str(spectral_normalization)
logdir += '_dr' + str(dual_reg)
logdir += '_in' + str(inner)
logdir += '_sk' + str(sk_r_scale)
logdir += '_et' + str(et_r_scale)
else:
logdir = osp.join(tempfile.gettempdir(),
datetime.datetime.now().strftime("openai-%Y-%m-%d-%H-%M-%S-%f"))
if rank == 0:
if logdir or logger.get_dir() is None:
logger.configure(dir=logdir)
else:
logger.configure() # use temp folder for other rank
logdir = logger.get_dir()
assert logdir is not None
os.makedirs(logdir, exist_ok=True)
# Seed everything.
rank_seed = seed + 1000000 * rank
set_global_seeds(rank_seed)
# Prepare params.
params = config.DEFAULT_PARAMS
params['env_name'] = env_name
params['seed'] = seed
params['replay_strategy'] = replay_strategy
params['binding'] = binding
params['max_timesteps'] = n_epochs * params['n_cycles'] * params['n_batches'] * num_cpu
params['version'] = version
params['n_cycles'] = n_cycles
params['num_cpu'] = num_cpu
params['note'] = note or params['note']
if note:
with open('params/'+note+'.json', 'r') as file:
override_params = json.loads(file.read())
params.update(**override_params)
##########################################33
params['num_skills'] = num_skills
params['skill_type'] = skill_type
params['plot_freq'] = plot_freq
params['plot_repeats'] = plot_repeats
params['n_random_trajectories'] = n_random_trajectories
if sk_r_scale is not None:
params['sk_r_scale'] = sk_r_scale
if et_r_scale is not None:
params['et_r_scale'] = et_r_scale
params['sk_clip'] = sk_clip
params['et_clip'] = et_clip
params['done_ground'] = done_ground
params['max_path_length'] = max_path_length
params['hidden'] = hidden
params['layers'] = layers
params['rollout_batch_size'] = rollout_batch_size
params['n_batches'] = n_batches
params['polyak'] = polyak
params['spectral_normalization'] = spectral_normalization
params['dual_reg'] = dual_reg
params['dual_init_lambda'] = dual_init_lambda
params['dual_lam_opt'] = dual_lam_opt
params['dual_slack'] = dual_slack
params['dual_dist'] = dual_dist
params['inner'] = inner
params['algo'] = algo
params['random_eps'] = random_eps
params['noise_eps'] = noise_eps
params['lr'] = lr
params['sk_lam_lr'] = sk_lam_lr
params['buffer_size'] = buffer_size
params['algo_name'] = algo_name
params['train_start_epoch'] = train_start_epoch
if load_weight is not None:
params['load_weight'] = load_weight
if params['load_weight']:
if type(params['load_weight']) is list:
params['load_weight'] = params['load_weight'][seed]
import glob
base = os.path.splitext(params['load_weight'])[0]
policy_path = base + '_weight.pkl'
policy_path = glob.glob(policy_path)[0]
policy_weight_file = open(policy_path, 'rb')
pretrain_weights = pickle.load(policy_weight_file)
policy_weight_file.close()
else:
pretrain_weights = None
if env_name in config.DEFAULT_ENV_PARAMS:
params.update(config.DEFAULT_ENV_PARAMS[env_name]) # merge env-specific parameters in
with open(os.path.join(logger.get_dir(), 'params.json'), 'w') as f:
json.dump(params, f)
params = config.prepare_params(params)
exp_name = logdir.split('/')[-1]
if 'WANDB_API_KEY' in os.environ:
wandb.init(project="", entity="", group=run_group, name=exp_name, config=params) # Fill out this
def make_env():
if env_name == 'Maze':
from envs.maze_env import MazeEnv
env = MazeEnv(n=max_path_length)
elif env_name == 'Kitchen':
from d4rl_alt.kitchen.kitchen_envs import KitchenMicrowaveKettleLightTopLeftBurnerV0Custom
from gym.wrappers.time_limit import TimeLimit
env = KitchenMicrowaveKettleLightTopLeftBurnerV0Custom(control_mode='end_effector')
max_episode_steps = max_path_length
env = TimeLimit(env, max_episode_steps=max_episode_steps)
else:
env = gym.make(env_name)
if 'max_path_length' in params:
env = env.env
from gym.wrappers.time_limit import TimeLimit
max_episode_steps = params['max_path_length']
env = TimeLimit(env, max_episode_steps=max_episode_steps)
return env
params['make_env'] = make_env
##########################################################
config.log_params(params, logger=logger)
dims = config.configure_dims(params)
policy = config.configure_ddpg(dims=dims, params=params, pretrain_weights=pretrain_weights, clip_return=clip_return)
render = False
if params['collect_video']:
render = 'rgb_array'
rollout_params = {
'exploit': False,
'use_target_net': False,
'use_demo_states': True,
'compute_Q': False,
'T': params['T'],
'render': render,
}
eval_params = {
'exploit': True,
'use_target_net': params['test_with_polyak'],
'use_demo_states': False,
'compute_Q': True,
'T': params['T'],
}
for name in ['T', 'rollout_batch_size', 'gamma', 'noise_eps', 'random_eps']:
rollout_params[name] = params[name]
eval_params[name] = params[name]
rollout_worker = RolloutWorker(make_env, policy, dims, logger, **rollout_params)
rollout_worker.seed(rank_seed)
evaluator = RolloutWorker(make_env, policy, dims, logger, **eval_params)
evaluator.seed(rank_seed)
video_evaluator = RolloutWorker(make_env, policy, dims, logger, **dict(eval_params, rollout_batch_size=1))
video_evaluator.seed(rank_seed)
train(
logdir=logdir, policy=policy, rollout_worker=rollout_worker, env_name=env_name,
evaluator=evaluator, video_evaluator=video_evaluator, n_epochs=n_epochs, train_start_epoch=train_start_epoch, n_test_rollouts=params['n_test_rollouts'], n_cycles=params['n_cycles'], n_batches=params['n_batches'], policy_save_interval=policy_save_interval, save_policies=save_policies, num_cpu=num_cpu, collect_data=params['collect_data'], collect_video=params['collect_video'], goal_generation=params['goal_generation'], num_skills=params['num_skills'], use_skill_n=params['use_skill_n'], batch_size=params['_batch_size'], sk_r_scale=params['sk_r_scale'],
skill_type=params['skill_type'], plot_freq=params['plot_freq'], plot_repeats=params['plot_repeats'], n_random_trajectories=params['n_random_trajectories'], sk_clip=params['sk_clip'], et_clip=params['et_clip'], done_ground=params['done_ground'],
)
@click.command()
@click.option('--run_group', type=str, default='EXP')
@click.option('--env_name', type=click.Choice(['FetchPush-v1', 'FetchSlide-v1', 'FetchPickAndPlace-v1', 'Maze', 'Kitchen']))
@click.option('--n_epochs', type=int, default=50, help='the number of training epochs to run')
@click.option('--train_start_epoch', type=int, default=0)
@click.option('--num_cpu', type=int, default=1, help='the number of CPU cores to use (using MPI)')
@click.option('--seed', type=int, default=0, help='the random seed used to seed both the environment and the training code')
@click.option('--policy_save_interval', type=int, default=1, help='the interval with which policy pickles are saved. If set to 0, only the best and latest policy will be pickled.')
@click.option('--n_cycles', type=int, default=50, help='n_cycles')
@click.option('--replay_strategy', type=click.Choice(['future', 'final', 'none']), default='future', help='replay strategy to be used.')
@click.option('--clip_return', type=int, default=0, help='whether or not returns should be clipped')
@click.option('--binding', type=click.Choice(['none', 'core']), default='core', help='configure mpi using bind-to none or core.')
@click.option('--logging', type=bool, default=False, help='whether or not logging')
@click.option('--num_skills', type=int, default=5)
@click.option('--version', type=int, default=0, help='version')
@click.option('--note', type=str, default=None, help='unique notes')
@click.option('--skill_type', type=str, default='discrete')
@click.option('--plot_freq', type=int, default=1)
@click.option('--plot_repeats', type=int, default=1)
@click.option('--n_random_trajectories', type=int, default=200)
@click.option('--sk_r_scale', type=float, default=None)
@click.option('--et_r_scale', type=float, default=None)
@click.option('--sk_clip', type=int, default=1)
@click.option('--et_clip', type=int, default=1)
@click.option('--done_ground', type=int, default=0)
@click.option('--max_path_length', type=int, default=50)
@click.option('--hidden', type=int, default=256)
@click.option('--layers', type=int, default=3)
@click.option('--rollout_batch_size', type=int, default=2)
@click.option('--n_batches', type=int, default=40)
@click.option('--polyak', type=float, default=0.95)
@click.option('--spectral_normalization', type=int, default=0)
@click.option('--dual_reg', type=int, default=0)
@click.option('--dual_init_lambda', type=float, default=1)
@click.option('--dual_lam_opt', type=str, default='adam')
@click.option('--dual_slack', type=float, default=0.)
@click.option('--dual_dist', type=str, default='l2')
@click.option('--inner', type=int, default=0)
@click.option('--algo', type=str, default='csd')
@click.option('--random_eps', type=float, default=0.3)
@click.option('--noise_eps', type=float, default=0.2)
@click.option('--lr', type=float, default=0.001)
@click.option('--sk_lam_lr', type=float, default=0.001)
@click.option('--buffer_size', type=int, default=1000000)
@click.option('--algo_name', type=str, default=None) # Only for logging, not used
@click.option('--load_weight', type=str, default=None)
def main(**kwargs):
launch(**kwargs)
if __name__ == '__main__':
main()