metastable-baselines/test.py
2022-07-13 19:39:09 +02:00

109 lines
3.2 KiB
Python
Executable File

#!/usr/bin/python3
import gym
from gym.envs.registration import register
import numpy as np
import os
import time
import datetime
from stable_baselines3 import SAC, PPO, A2C
from stable_baselines3.common.evaluation import evaluate_policy
from stable_baselines3.common.policies import ActorCriticCnnPolicy, ActorCriticPolicy, MultiInputActorCriticPolicy
from metastable_baselines.trl_pg import TRL_PG
from metastable_baselines.trl_pg.policies import MlpPolicy
from metastable_baselines.projections import BaseProjectionLayer, FrobeniusProjectionLayer, WassersteinProjectionLayer, KLProjectionLayer
import columbus
#root_path = os.getcwd()
root_path = '.'
def main(env_name='ColumbusCandyland_Aux10-v0', timesteps=10_000_000, showRes=True, saveModel=True, n_eval_episodes=0):
env = gym.make(env_name)
use_sde = False
ppo = TRL_PG(
MlpPolicy,
env,
verbose=0,
tensorboard_log=root_path+"/logs_tb/" +
env_name+"/ppo"+(['', '_sde'][use_sde])+"/",
learning_rate=3e-4,
gamma=0.99,
gae_lambda=0.95,
normalize_advantage=True,
ent_coef=0.02, # 0.1
vf_coef=0.5,
use_sde=use_sde, # False
clip_range=0.2,
)
trl_pg = TRL_PG(
MlpPolicy,
env,
projection=FrobeniusProjectionLayer(),
verbose=0,
tensorboard_log=root_path+"/logs_tb/"+env_name +
"/trl_pg"+(['', '_sde'][use_sde])+"/",
learning_rate=3e-4,
gamma=0.99,
gae_lambda=0.95,
normalize_advantage=True,
ent_coef=0.03, # 0.1
vf_coef=0.5,
use_sde=use_sde,
clip_range=2, # 0.2
)
print('TRL_PG:')
testModel(trl_pg, timesteps, showRes,
saveModel, n_eval_episodes)
print('PPO:')
testModel(ppo, timesteps, showRes,
saveModel, n_eval_episodes)
def testModel(model, timesteps, showRes=False, saveModel=False, n_eval_episodes=16):
env = model.get_env()
try:
model.learn(timesteps)
except KeyboardInterrupt:
print('[!] Training Terminated')
pass
if saveModel:
now = datetime.datetime.now().strftime('%d.%m.%Y-%H:%M')
loc = root_path+'/models/' + \
model.tensorboard_log.replace(
root_path+'/logs_tb/', '').replace('/', '_')+now+'.zip'
model.save(loc)
if n_eval_episodes:
mean_reward, std_reward = evaluate_policy(
model, env, n_eval_episodes=n_eval_episodes, deterministic=False)
print('Reward: '+str(round(mean_reward, 3)) +
'±'+str(round(std_reward, 2)))
if showRes:
input('<ready?>')
obs = env.reset()
# Evaluate the agent
episode_reward = 0
while True:
time.sleep(1/30)
action, _ = model.predict(obs, deterministic=False)
obs, reward, done, info = env.step(action)
env.render()
episode_reward += reward
if done:
#print("Reward:", episode_reward)
episode_reward = 0.0
obs = env.reset()
env.reset()
if __name__ == '__main__':
# main('LunarLanderContinuous-v2')
# main('ColumbusJustState-v0')
main('ColumbusStateWithBarriers-v0')
# main('ColumbusEasierObstacles-v0')