Files
2026-07-13 13:17:40 +08:00

50 lines
1.5 KiB
Python

from ray.rllib.algorithms.appo import APPOConfig
from ray.rllib.core.rl_module.default_model_config import DefaultModelConfig
from ray.rllib.examples.envs.classes.multi_agent import MultiAgentCartPole
from ray.rllib.examples.utils import (
add_rllib_example_script_args,
run_rllib_example_script_experiment,
)
from ray.rllib.utils.metrics import (
ENV_RUNNER_RESULTS,
EPISODE_RETURN_MEAN,
NUM_ENV_STEPS_SAMPLED_LIFETIME,
)
from ray.tune.registry import register_env
parser = add_rllib_example_script_args(default_timesteps=2000000)
parser.set_defaults(
num_agents=2,
)
# Use `parser` to add your own custom command line options to this script
# and (if needed) use their values to set up `config` below.
args = parser.parse_args()
register_env("env", lambda cfg: MultiAgentCartPole(config=cfg))
config = (
APPOConfig()
.environment("env", env_config={"num_agents": args.num_agents})
.training(
vf_loss_coeff=0.005,
entropy_coeff=0.0,
)
.rl_module(
model_config=DefaultModelConfig(vf_share_layers=True),
)
.multi_agent(
policy_mapping_fn=(lambda agent_id, episode, **kwargs: f"p{agent_id}"),
policies={f"p{i}" for i in range(args.num_agents)},
)
)
stop = {
f"{ENV_RUNNER_RESULTS}/{EPISODE_RETURN_MEAN}": 350.0 * args.num_agents,
f"{NUM_ENV_STEPS_SAMPLED_LIFETIME}": args.stop_timesteps,
}
if __name__ == "__main__":
run_rllib_example_script_experiment(config, args, stop=stop)