Пример #1
0
    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()
Пример #2
0
    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()
Пример #3
0
    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, env.observation_space, preprocessor,
            self.config["observation_filter"], self.config["model"],
            **policy_params)
        self.optimizer = optimizers.Adam(self.policy, self.config["stepsize"])
        self.report_length = self.config["report_length"]

        # Create the shared noise table.
        logger.info("Creating shared noise table.")
        noise_id = create_shared_noise.remote(self.config["noise_size"])
        self.noise = SharedNoiseTable(ray.get(noise_id))

        # Create the actors.
        logger.info("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()
Пример #4
0
    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)
Пример #5
0
    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, config["model"])

        self.sess = utils.make_session(single_threaded=True)
        self.policy = policies.GenericPolicy(
            self.sess, self.env.action_space, self.env.observation_space,
            self.preprocessor, config["observation_filter"], config["model"],
            **policy_params)
Пример #6
0
    def _init(self, config, env_creator):
        policy_params = {"action_noise_std": 0.01}

        env = env_creator(config["env_config"])
        from ray.rllib import models
        preprocessor = models.ModelCatalog.get_preprocessor(env)

        self.sess = utils.make_session(single_threaded=False)
        self.policy = GenericGaussianPolicy(self.sess, env.action_space,
                                            env.observation_space,
                                            preprocessor,
                                            config["observation_filter"],
                                            config["model"], **policy_params)
        if config["optimizer_type"] == "adam":
            self.optimizer = optimizers.Adam(self.policy, config["stepsize"])
        elif config["optimizer_type"] == "sgd":
            self.optimizer = optimizers.SGD(self.policy, config["stepsize"])
        else:
            raise ValueError("optimizer must in [adam, sgd].")
        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)
            for _ in range(config["num_workers"])
        ]

        self.episodes_so_far = 0
        self.reward_list = []
        self.tstart = time.time()