def _init(self, config, env_creator):
# PyTorch check.
if config["use_pytorch"]:
raise ValueError(
"ES does not support PyTorch yet! Use tf instead.")
policy_params = {"action_noise_std": 0.01}
env_context = EnvContext(config["env_config"] or {}, worker_index=0)
env = env_creator(env_context)
from ray.rllib import models
preprocessor = models.ModelCatalog.get_preprocessor(env)
self.sess = utils.make_session(single_threaded=False)
self.policy = policies.GenericPolicy(
self.sess, env.action_space, env.observation_space, preprocessor,
config["observation_filter"], config["model"], **policy_params)
self.optimizer = optimizers.Adam(self.policy, config["stepsize"])
self.report_length = config["report_length"]
# Create the shared noise table.
logger.info("Creating shared noise table.")
noise_id = create_shared_noise.remote(config["noise_size"])
self.noise = SharedNoiseTable(ray.get(noise_id))
# Create the actors.
logger.info("Creating actors.")
self._workers = [
Worker.remote(config, policy_params, env_creator, noise_id,
idx + 1) for idx in range(config["num_workers"])
]
self.episodes_so_far = 0
self.reward_list = []
self.tstart = time.time()
def _init(self):
policy_params = {"action_noise_std": 0.01}
env = self.env_creator(self.config["env_config"])
from ray.rllib import models
preprocessor = models.ModelCatalog.get_preprocessor(env)
self.sess = utils.make_session(single_threaded=False)
self.policy = policies.GenericPolicy(self.sess, env.action_space,
preprocessor,
self.config["observation_filter"],
**policy_params)
self.optimizer = optimizers.Adam(self.policy, self.config["stepsize"])
self.report_length = self.config["report_length"]
# Create the shared noise table.
print("Creating shared noise table.")
noise_id = create_shared_noise.remote(self.config["noise_size"])
self.noise = SharedNoiseTable(ray.get(noise_id))
# Create the actors.
print("Creating actors.")
self.workers = [
Worker.remote(self.config, policy_params, self.env_creator,
noise_id) for _ in range(self.config["num_workers"])
]
self.episodes_so_far = 0
self.reward_list = []
self.tstart = time.time()
def __init__(self,
config,
policy_params,
env_creator,
noise,
min_task_runtime=0.2):
self.min_task_runtime = min_task_runtime
self.config = config
self.policy_params = policy_params
self.noise = SharedNoiseTable(noise)
self.env = env_creator(config["env_config"])
from ray.rllib import models
self.preprocessor = models.ModelCatalog.get_preprocessor(self.env)
self.sess = utils.make_session(single_threaded=True)
self.policy = policies.GenericPolicy(
self.sess, self.env.action_space, self.preprocessor,
config["observation_filter"], **policy_params)
