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coach/rl_coach/presets/Atari_DQN_with_PER.py
2018-10-02 13:43:36 +03:00

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Python

from rl_coach.agents.dqn_agent import DQNAgentParameters
from rl_coach.base_parameters import VisualizationParameters, PresetValidationParameters
from rl_coach.environments.environment import SingleLevelSelection
from rl_coach.environments.gym_environment import Atari, atari_deterministic_v4, atari_schedule
from rl_coach.graph_managers.basic_rl_graph_manager import BasicRLGraphManager
from rl_coach.memories.non_episodic.prioritized_experience_replay import PrioritizedExperienceReplayParameters
from rl_coach.schedules import LinearSchedule
#########
# Agent #
#########
agent_params = DQNAgentParameters()
agent_params.network_wrappers['main'].learning_rate = 0.00025
agent_params.memory = PrioritizedExperienceReplayParameters()
agent_params.memory.beta = LinearSchedule(0.4, 1, 12500000) # 12.5M training iterations = 50M steps = 200M frames
###############
# Environment #
###############
env_params = Atari(level=SingleLevelSelection(atari_deterministic_v4))
########
# Test #
########
preset_validation_params = PresetValidationParameters()
preset_validation_params.trace_test_levels = ['breakout', 'pong', 'space_invaders']
graph_manager = BasicRLGraphManager(agent_params=agent_params, env_params=env_params,
schedule_params=atari_schedule, vis_params=VisualizationParameters(),
preset_validation_params=preset_validation_params)