Ejemplo n.º 1
0
def learnControl(config: Configuration):
    params = dict()
    for k, v in config.items():
        if k in alg_dict[config.algorithm].related_parameters():
            params[k] = v

    if not os.path.exists(config.save_path):
        os.makedirs(config.save_path, exist_ok=True)

    #rmsve = np.zeros((task_dict[config.task].num_of_policies(), config.num_steps, config.num_of_runs))
    steps = np.zeros((config.num_steps, config.num_of_runs))
    for run in range(config.num_of_runs):
        random_seed = (run + config.num_of_runs) if config.rerun else run
        np.random.seed(random_seed)
        env = environment_dict[config.environment]()
        task = task_dict[config.task](run_number=run,
                                      num_steps=config.num_steps)
        agent = alg_dict[config.algorithm](task, **params)
        print()

        agent.state = env.reset()
        #rmsve_of_run = np.zeros((task.num_policies, task.num_steps))
        #error_render = ErrorRender(task.num_policies, task.num_steps)
        for episode in range(task.num_steps):
            #rmsve_of_run[:, step], error = agent.compute_rmsve()
            #if config.render:
            #    error_render.add_error(error)
            agent.action = agent.choose_behavior_action(agent.state)
            while True:
                agent.next_state, r, is_terminal, info = env.step(agent.action)
                agent.next_action = agent.choose_behavior_action(
                    agent.next_state)
                agent.learn(agent.state, agent.next_state, agent.action,
                            agent.next_action, r, is_terminal)
                if is_terminal:
                    steps[episode, run] = agent.time_step
                    agent.state = env.reset()
                    agent.reset()
                    break

                if agent.time_step >= task.STEP_LIMIT:
                    steps[episode, run] = agent.time_step
                    agent.state = env.reset()
                    agent.reset()
                    print('Step Limit Exceeded!')
                    break
                agent.state = agent.next_state
                agent.action = agent.next_action
            #if config.render:
            #env.render(mode='screen', render_cls=error_render)
        #print(np.mean(rmsve_of_run, axis=0))
        #rmsve[:, :, run] = rmsve_of_run
    steps_of_runs = np.transpose(steps)
    save_result(config.save_path, '_steps_mean_over_runs',
                np.mean(steps_of_runs, axis=0), params, config.rerun)
    save_result(
        config.save_path, '_steps_stderr_over_runs',
        np.std(steps_of_runs, axis=0, ddof=1) / np.sqrt(config.num_of_runs),
        params, config.rerun)
    final_steps_mean_over_episodes = np.mean(
        steps_of_runs[:, config.num_steps - int(0.01 * config.num_steps) - 1:],
        axis=1)
    save_result(
        config.save_path, '_mean_stderr_final',
        np.array([
            np.mean(final_steps_mean_over_episodes),
            np.std(final_steps_mean_over_episodes, ddof=1) /
            np.sqrt(config.num_of_runs)
        ]), params, config.rerun)
    auc_mean_over_steps = np.mean(steps_of_runs, axis=1)
    save_result(
        config.save_path, '_mean_stderr_auc',
        np.array([
            np.mean(auc_mean_over_steps),
            np.std(auc_mean_over_steps, ddof=1) / np.sqrt(config.num_of_runs)
        ]), params, config.rerun)
Ejemplo n.º 2
0
def learn(config: Configuration):
    params = dict()
    for k, v in config.items():
        if k in alg_dict[config.algorithm].related_parameters():
            params[k] = v

    if not os.path.exists(config.save_path):
        os.makedirs(config.save_path, exist_ok=True)

    device = torch.device("cuda" if torch.cuda.is_available() else "cpu")

    steps = np.zeros((config.num_steps, config.num_of_runs))
    for run in range(config.num_of_runs):
        random_seed = (run + config.num_of_runs) if config.rerun else run
        #np.random.seed(random_seed)
        task = task_dict[config.task](run_number=run,
                                      num_episodes=config.num_steps,
                                      device=device)
        agent = alg_dict[config.algorithm](task, **params)

        for episode in range(task.num_episodes):
            # Initialize the environment and state
            agent.state = task.reset()
            agent.reset()
            while True:
                # Select and perform an action
                agent.action = agent.select_action(agent.state)

                agent.next_state, r, is_terminal, info = task.step(
                    agent.action)

                agent.learn(r, is_terminal)

                if is_terminal:
                    steps[episode, run] = agent.time_step
                    print(agent.time_step)
                    break

                if agent.time_step >= task.STEP_LIMIT:
                    steps[episode, run] = agent.time_step
                    print('Step Limit Exceeded!')
                    break

                # Move to the next state
                agent.state = agent.next_state

            #if episode % agent.TARGET_UPDATE == 0:
            #    agent.update_target()
        task.env.close()

    steps_of_runs = np.transpose(steps)
    save_result(config.save_path, '_steps_mean_over_runs',
                np.mean(steps_of_runs, axis=0), params, config.rerun)
    save_result(
        config.save_path, '_steps_stderr_over_runs',
        np.std(steps_of_runs, axis=0, ddof=1) / np.sqrt(config.num_of_runs),
        params, config.rerun)
    final_steps_mean_over_episodes = np.mean(
        steps_of_runs[:, config.num_steps - int(0.01 * config.num_steps) - 1:],
        axis=1)
    save_result(
        config.save_path, '_mean_stderr_final',
        np.array([
            np.mean(final_steps_mean_over_episodes),
            np.std(final_steps_mean_over_episodes, ddof=1) /
            np.sqrt(config.num_of_runs)
        ]), params, config.rerun)
    auc_mean_over_steps = np.mean(steps_of_runs, axis=1)
    save_result(
        config.save_path, '_mean_stderr_auc',
        np.array([
            np.mean(auc_mean_over_steps),
            np.std(auc_mean_over_steps, ddof=1) / np.sqrt(config.num_of_runs)
        ]), params, config.rerun)
Ejemplo n.º 3
0
def learn(config: Configuration):
    params = dict()
    for k, v in config.items():
        if k in alg_dict[config.algorithm].related_parameters():
            params[k] = v

    if not os.path.exists(config.save_path):
        os.makedirs(config.save_path, exist_ok=True)

    rmsve = np.zeros((task_dict[config.task].num_of_policies(),
                      config.num_steps, config.num_of_runs))
    for run in range(config.num_of_runs):
        random_seed = (run + config.num_of_runs) if config.rerun else run
        np.random.seed(random_seed)
        env = environment_dict[config.environment]()
        task = task_dict[config.task](run_number=run,
                                      num_steps=config.num_steps)
        agent = alg_dict[config.algorithm](task, **params)

        rmsve_of_run = np.zeros((task.num_policies, task.num_steps))
        agent.state = env.reset()
        error_render = ErrorRender(task.num_policies, task.num_steps)
        for step in range(task.num_steps):
            rmsve_of_run[:, step], error = agent.compute_rmsve()
            if config.render:
                error_render.add_error(error)
            agent.action = agent.choose_behavior_action()
            agent.next_state, r, is_terminal, info = env.step(agent.action)
            agent.learn(agent.state, agent.next_state, r, is_terminal)
            if is_terminal:
                agent.state = env.reset()
                agent.reset()
                continue
            agent.state = agent.next_state
            if config.render:
                env.render(mode='screen', render_cls=error_render)
        print(np.mean(rmsve_of_run, axis=0))
        rmsve[:, :, run] = rmsve_of_run
    rmsve_of_runs = np.transpose(np.mean(rmsve,
                                         axis=0))  # Average over all policies.
    save_result(config.save_path, '_RMSVE_mean_over_runs',
                np.mean(rmsve_of_runs, axis=0), params, config.rerun)
    save_result(
        config.save_path, '_RMSVE_stderr_over_runs',
        np.std(rmsve_of_runs, axis=0, ddof=1) / np.sqrt(config.num_of_runs),
        params, config.rerun)
    final_errors_mean_over_steps = np.mean(
        rmsve_of_runs[:, config.num_steps - int(0.01 * config.num_steps) - 1:],
        axis=1)
    save_result(
        config.save_path, '_mean_stderr_final',
        np.array([
            np.mean(final_errors_mean_over_steps),
            np.std(final_errors_mean_over_steps, ddof=1) /
            np.sqrt(config.num_of_runs)
        ]), params, config.rerun)
    auc_mean_over_steps = np.mean(rmsve_of_runs, axis=1)
    save_result(
        config.save_path, '_mean_stderr_auc',
        np.array([
            np.mean(auc_mean_over_steps),
            np.std(auc_mean_over_steps, ddof=1) / np.sqrt(config.num_of_runs)
        ]), params, config.rerun)