Exemple #1
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def create_test_poca_optimizer(dummy_config, use_rnn, use_discrete,
                               use_visual):
    mock_specs = mb.setup_test_behavior_specs(
        use_discrete,
        use_visual,
        vector_action_space=DISCRETE_ACTION_SPACE
        if use_discrete else VECTOR_ACTION_SPACE,
        vector_obs_space=VECTOR_OBS_SPACE,
    )

    trainer_settings = attr.evolve(dummy_config)
    trainer_settings.reward_signals = {
        RewardSignalType.EXTRINSIC: RewardSignalSettings(strength=1.0,
                                                         gamma=0.99)
    }

    trainer_settings.network_settings.memory = (NetworkSettings.MemorySettings(
        sequence_length=8, memory_size=10) if use_rnn else None)
    policy = TorchPolicy(0, mock_specs, trainer_settings, "test", False)
    optimizer = TorchPOCAOptimizer(policy, trainer_settings)
    return optimizer
Exemple #2
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def test_reward(behavior_spec: BehaviorSpec, reward: float) -> None:
    buffer = create_agent_buffer(behavior_spec, 1000, reward)
    settings = RewardSignalSettings()
    extrinsic_rp = ExtrinsicRewardProvider(behavior_spec, settings)
    generated_rewards = extrinsic_rp.evaluate(buffer)
    assert (generated_rewards == reward).all()

    # Test group rewards. Rewards should be double of the environment rewards, but shouldn't count
    # the groupmate rewards.
    buffer[BufferKey.GROUP_REWARD] = buffer[BufferKey.ENVIRONMENT_REWARDS]
    # 2 agents with identical rewards
    buffer[BufferKey.GROUPMATE_REWARDS].set(
        [np.ones(1, dtype=np.float32) * reward] * 2
        for _ in range(buffer.num_experiences))
    generated_rewards = extrinsic_rp.evaluate(buffer)
    assert (generated_rewards == 2 * reward).all()

    # Test groupmate rewards. Total reward should be indiv_reward + 2 * teammate_reward + group_reward
    extrinsic_rp = ExtrinsicRewardProvider(behavior_spec, settings)
    extrinsic_rp.add_groupmate_rewards = True
    generated_rewards = extrinsic_rp.evaluate(buffer)
    assert (generated_rewards == 4 * reward).all()
Exemple #3
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def extrinsic_dummy_config():
    return {RewardSignalType.EXTRINSIC: RewardSignalSettings()}
Exemple #4
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def test_factory(behavior_spec: BehaviorSpec) -> None:
    settings = RewardSignalSettings()
    extrinsic_rp = create_reward_provider(RewardSignalType.EXTRINSIC,
                                          behavior_spec, settings)
    assert extrinsic_rp.name == "Extrinsic"
Exemple #5
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def test_construction(behavior_spec: BehaviorSpec) -> None:
    settings = RewardSignalSettings()
    settings.gamma = 0.2
    extrinsic_rp = ExtrinsicRewardProvider(behavior_spec, settings)
    assert extrinsic_rp.gamma == 0.2
    assert extrinsic_rp.name == "Extrinsic"
Exemple #6
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def test_reward(behavior_spec: BehaviorSpec, reward: float) -> None:
    buffer = create_agent_buffer(behavior_spec, 1000, reward)
    settings = RewardSignalSettings()
    extrinsic_rp = ExtrinsicRewardProvider(behavior_spec, settings)
    generated_rewards = extrinsic_rp.evaluate(buffer)
    assert (generated_rewards == reward).all()