def generate_demos(env,
env_name,
model,
agent,
device,
save_dir='evals',
episodes=100,
temperature=1):
os.makedirs(save_dir, exist_ok=True)
save_path = save_dir + '/' + model.name + '.log'
'''
if os.path.exists(save_path):
print('evaluation not completed as %s already exists' % save_dir)
return
'''
print('')
print('evaluating {}'.format(model.name))
model_path = "models/" + env_name + "_25/01050"
if env_name == "seaquest":
model_path = "models/" + env_name + "_5/00035"
agent.load(model_path)
logs = [[], []] # steps, return
makedirs(save_dir, exist_ok=True)
with torch.no_grad():
for i in range(episodes):
done = False
r = 0
ob = preprocess(env.reset(), env_name)
steps = 0
acc_reward = 0
while True:
a_act = agent.act(ob, r, done)
ob = torch.from_numpy(ob).float().to(device)
action = model.act(ob, temperature)
#print(a_act, action)
ob, r, done, _ = env.step(action)
#env.render()
ob = preprocess(ob, env_name)
acc_reward += r[0]
steps += 1
if done:
print("steps: {}, return: {}".format(steps, acc_reward))
logs[0] += [steps]
logs[1] += [acc_reward]
break
print('return stats:')
print('min: {}'.format(np.min(logs[1])))
print('mean: {}'.format(np.mean(logs[1])))
print('max: {}'.format(np.max(logs[1])))
with open(save_path, 'wb') as f:
pickle.dump(logs, f)
def generate_fitness(env,
env_name,
policy,
reward_fn,
num_episodes,
seed,
render=False,
softmax=True):
device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
torch.manual_seed(seed)
np.random.seed(seed)
tf.set_random_seed(seed)
env.unwrapped.envs[0].seed(seed)
learning_returns = []
true_returns = []
for i in range(num_episodes):
done = False
traj = []
gt_rewards = []
r = 0
ob = env.reset()
ob_processed = preprocess(ob, env_name)
#print(ob_processed.shape)
ob_cuda = torch.from_numpy(np.array(ob_processed)).float().to(device)
#print(ob_cuda.size())
steps = 0
acc_reward = 0
true_reward = 0
while True:
action = policy.select_action(ob_cuda, softmax=softmax)
#print(action)
ob, r, done, _ = env.step(action)
if render:
env.render()
ob_processed = preprocess(ob, env_name)
#print(ob_processed.shape)
ob_cuda = torch.from_numpy(
np.array(ob_processed)).float().to(device)
#print(ob_cuda.size())
#ob_processed = ob_processed[0] #get rid of first dimension ob.shape = (1,84,84,4)
steps += 1
#print(reward_fn.predict_reward(ob_cuda).item())
acc_reward += reward_fn.predict_reward(ob_cuda).item()
true_reward += r
if done or steps > 1000: #TODO: remove this if I can since it will hurt performance
if render:
print(
"rollout: {}, steps: {}, pred return: {}, actual return {}"
.format(i, steps, acc_reward, true_reward))
break
learning_returns.append(acc_reward)
true_returns.append(true_reward)
return np.mean(learning_returns), np.mean(true_returns)
def generate_mean_map_noop_demos(env):
#add no-op demos
done = False
traj = []
gt_rewards = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
while steps < 7000:
action = 0 #agent.act(ob, r, done)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
#ob_processed = ob_processed[0] #get rid of first dimension ob.shape = (1,84,84,4)
traj.append(ob_processed)
gt_rewards.append(r[0])
steps += 1
acc_reward += r[0]
if done:
print("checkpoint: {}, steps: {}, return: {}".format(
"noop", steps, acc_reward))
break
print("noop traj length", len(traj))
return traj, acc_reward, gt_rewards
def step_wait(self):
obs, rews, news, infos = self.venv.step_wait()
# obs shape: [num_env,84,84,4] in case of atari games
#plt.subplot(1,2,1)
#plt.imshow(obs[0][:,:,0])
#crop off top of image
#n = 10
#no_score_obs = copy.deepcopy(obs)
#obs[:,:n,:,:] = 0
#Need to normalize for my reward function
#normed_obs = obs / 255.0
#mask and normalize for input to network
normed_obs = preprocess(obs, self.env_name)
#plt.subplot(1,2,2)
#plt.imshow(normed_obs[0][:,:,0])
#plt.show()
#print(traj[0][0][40:60,:,:])
with torch.no_grad():
rews_network = self.reward_net.forward(
torch.from_numpy(np.array(normed_obs)).float().to(
self.device)).cpu().numpy().squeeze()
return obs, rews_network, news, infos
def get_demo_feature_counts(env_name, trajectory, feature_net, max_length):
learning_returns = []
fcount_rollouts = [] #keep track of the feature counts for each rollout
num_steps = []
f_counts = np.zeros(feature_net.fc2.in_features)
steps = 0
for i in range(min(max_length, len(trajectory))):
ob = trajectory[i]
steps += 1
done = False
traj = []
r = 0
ob_processed = preprocess(ob, env_name)
phi_s = feature_net.state_feature(
torch.from_numpy(ob_processed).float().to(
device)).cpu().squeeze().numpy()
f_counts += phi_s
ave_fcounts = f_counts
fcount_rollouts.append(ave_fcounts)
#print('ave', ave_fcounts)
#print('computed ave', np.mean(np.array(fcount_rollouts), axis=0))
return ave_fcounts, fcount_rollouts, [steps]
def generate_dropout_distribution_noop(env, env_name, agent, dropout_net, num_dropout_samples, device):
dropout_returns = np.zeros(num_dropout_samples)
true_returns = []
# for checkpoint in checkpoints:
episode_count = 1
for i in range(episode_count):
done = False
traj = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
while True and steps < 20000:
action = 0 #no-op action
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
#ob_processed = ob_processed #get rid of first dimension ob.shape = (1,84,84,4)
ob_processed = torch.from_numpy(ob_processed).float().to(device)
for d in range(num_dropout_samples):
dropout_returns[d] += dropout_net.cum_return(ob_processed)[0].item()
steps += 1
if steps % 1000 == 0:
print(steps)
acc_reward += r[0]
if done:
print("noop:, episode: {}, steps: {}, return: {}".format(i, steps,acc_reward))
break
true_returns.append(acc_reward)
return dropout_returns, true_returns
def eval(self, env, agent):
rewards = []
# 100 episodes
episode_count = self.num_eval_episodes
reward = 0
done = False
rewards = []
#writer = open(self.checkpoint_dir + "/" +self.env_name + "_bc_results.txt", 'w')
for i in range(int(episode_count)):
ob = env.reset()
steps = 0
acc_reward = 0
while True:
#preprocess the state
state = preprocess(ob, env_name)
state = np.transpose(state, (0, 3, 1, 2))
if np.random.rand() < self.epsilon_greedy:
#print('eps greedy action')
action = env.action_space.sample()
else:
#print('policy action')
action = agent.get_action(state)
ob, reward, done, _ = env.step(action)
steps += 1
acc_reward += reward
if done:
print("Episode: {}, Steps: {}, Reward: {}".format(
i, steps, acc_reward))
#writer.write("{}\n".format(acc_reward[0]))
rewards.append(acc_reward)
break
print("Mean reward is: " + str(np.mean(rewards)))
def generate_ensemble_distribution(env, env_name, agent, model_dir, checkpoint,
ensemble, num_rollouts, device):
# checkpoints = []
# checkpts = [500]
# for i in checkpts:
# if i < 10:
# checkpoints.append('0000' + str(i))
# elif i < 100:
# checkpoints.append('000' + str(i))
# elif i < 1000:
# checkpoints.append('00' + str(i))
# elif i < 10000:
# checkpoints.append('0' + str(i))
# print(checkpoints)
ensemble_returns = []
true_returns = []
# for checkpoint in checkpoints:
model_path = model_dir + "/models/" + env_name + "_25/" + checkpoint
#if env_name == "seaquest":
# model_path = model_dir + "/models/" + env_name + "_5/" + checkpoint
agent.load(model_path)
episode_count = num_rollouts
for i in range(episode_count):
done = False
traj = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
while True:
action = agent.act(ob, r, done)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
ob_processed = ob_processed[
0] #get rid of first dimension ob.shape = (1,84,84,4)
traj.append(ob_processed)
steps += 1
acc_reward += r[0]
if done:
print("checkpoint: {}, episode: {}, steps: {}, return: {}".
format(checkpoint, i, steps, acc_reward))
break
#now run the traj through the network
#convert to pytorch tensor
traj_i = np.array(traj)
traj_i = torch.from_numpy(traj_i).float().to(device)
for ensemble_net in ensemble:
cum_ret = ensemble_net.cum_return(traj_i)[0].item()
ensemble_returns.append(cum_ret)
#print("sample", i, "return = ", cum_ret)
#print("traj length", len(traj))
true_returns.append(acc_reward)
return ensemble_returns, true_returns
def step_wait(self):
obs, rews, news, infos = self.venv.step_wait()
normed_obs = preprocess(obs, self.env_name)
with torch.no_grad():
rews_network = self.reward_net.forward(
torch.from_numpy(np.array(normed_obs)).float().to(
self.device)).cpu().numpy().squeeze()
return obs, rews_network, news, infos
def generate_dropout_distribution_checkpoint(env, env_name, agent, checkpoint_model_dir, dropout_net, num_rollouts, num_dropout_samples, device, time_limit=100000):
dropout_returns = []
true_returns = []
# for checkpoint in checkpoints:
model_path = checkpoint_model_dir
#if env_name == "seaquest":
# model_path = model_dir + "/models/" + env_name + "_5/" + checkpoint
agent.load(model_path)
episode_count = num_rollouts
for i in range(episode_count):
dropout_rets = np.zeros(num_dropout_samples)
done = False
traj = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
while True and steps < time_limit:
action = agent.act(ob, r, done)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
#ob_processed = ob_processed #get rid of first dimension ob.shape = (1,84,84,4)
ob_processed = torch.from_numpy(ob_processed).float().to(device)
for d in range(num_dropout_samples):
dropout_rets[d] += dropout_net.cum_return(ob_processed)[0].item()
del ob_processed
steps += 1
#print(steps)
acc_reward += r[0]
if done:
print("checkpoint: {}, episode: {}, steps: {}, return: {}".format(model_path, i, steps,acc_reward))
break
if steps >= time_limit:
print("checkpoint: {}, episode: {}, steps: {}, return: {}".format(model_path, i, steps,acc_reward))
true_returns.append(acc_reward)
dropout_returns.extend(dropout_rets)
return dropout_returns, true_returns
def generate_demos(self, env, agent, epsilon_greedy):
print("Generating demos for epsilon=", epsilon_greedy)
rewards = []
# 100 episodes
episode_count = self.num_eval_episodes
reward = 0
done = False
rewards = []
cum_steps = []
demos = []
#writer = open(self.checkpoint_dir + "/" +self.env_name + "_bc_results.txt", 'w')
for i in range(int(episode_count)):
ob = env.reset()
steps = 0
acc_reward = 0
traj = []
while True:
#preprocess the state
state = preprocess(ob, self.env_name)
traj.append(state)
state = np.transpose(state, (0, 3, 1, 2))
if np.random.rand() < epsilon_greedy:
#print('eps greedy action')
action = env.action_space.sample()
else:
#print('policy action')
action = agent.get_action(state)
ob, reward, done, _ = env.step(action)
steps += 1
acc_reward += reward
if done:
print("Episode: {}, Steps: {}, Reward: {}".format(
i, steps, acc_reward))
#writer.write("{}\n".format(acc_reward[0]))
rewards.append(acc_reward)
cum_steps.append(steps)
break
print("traj length", len(traj))
demos.append(traj)
print("demo len", len(demos))
print("Mean reward is: " + str(np.mean(rewards)))
print("Mean step length is: " + str(np.mean(cum_steps)))
return demos, rewards
def generate_expert_demos(env, env_name, agent, epsilon_greedy):
demonstrations = []
learning_returns = []
learning_rewards = []
model_path = "path_to_model"
agent.load(model_path)
episode_count = 25
for i in range(episode_count):
done = False
traj = []
gt_rewards = []
r = 0
ob = env.reset()
#traj.append(ob)
#print(ob.shape)
steps = 0
acc_reward = 0
while True:
if np.random.rand() < epsilon_greedy:
action = [env.action_space.sample()]
else:
action = agent.act(ob, r, done)
ob_processed = preprocess(ob, env_name)
traj.append((ob_processed, action))
ob, r, done, _ = env.step(action)
#print(ob.shape)
gt_rewards.append(r[0])
steps += 1
acc_reward += r[0]
if done or steps > 4000:
print("steps: {}, return: {}".format(steps, acc_reward))
break
if acc_reward > 300:
print("traj length", len(traj))
demonstrations.append(traj)
print("demo length", len(demonstrations))
learning_returns.append(acc_reward)
learning_rewards.append(gt_rewards)
print(np.mean(learning_returns), np.max(learning_returns))
return demonstrations, learning_returns, learning_rewards
def generate_ensemble_distribution_checkpoint(env, env_name, agent,
checkpoint_model_dir, ensemble,
num_rollouts, device):
ensemble_returns = []
true_returns = []
# for checkpoint in checkpoints:
model_path = checkpoint_model_dir
#if env_name == "seaquest":
# model_path = model_dir + "/models/" + env_name + "_5/" + checkpoint
agent.load(model_path)
episode_count = num_rollouts
for i in range(episode_count):
ensemble_rets = np.zeros(len(ensemble))
done = False
traj = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
while True:
action = agent.act(ob, r, done)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
#ob_processed = ob_processed #get rid of first dimension ob.shape = (1,84,84,4)
ob_processed = torch.from_numpy(ob_processed).float().to(device)
for idx, net in enumerate(ensemble):
ensemble_rets[idx] += net.cum_return(ob_processed)[0].item()
del ob_processed
steps += 1
# print(steps)
acc_reward += r[0]
if done:
print("checkpoint: {}, episode: {}, steps: {}, return: {}".
format(model_path, i, steps, acc_reward))
break
true_returns.append(acc_reward)
ensemble_returns.extend(ensemble_rets)
return ensemble_returns, true_returns
def generate_demos(env, env_name, agent, checkpoint_path, num_demos):
print("generating demos from checkpoint:", checkpoint_path)
demonstrations = []
learning_returns = []
model_path = checkpoint_path
agent.load(model_path)
episode_count = num_demos
for i in range(episode_count):
done = False
traj = []
gt_rewards = []
r = 0
ob = env.reset()
#traj.append(ob)
#print(ob.shape)
steps = 0
acc_reward = 0
while True:
action = agent.act(ob, r, done)
ob_processed = preprocess(ob, env_name)
#ob_processed = ob_processed[0] #get rid of spurious first dimension ob.shape = (1,84,84,4)
traj.append((ob_processed, action))
ob, r, done, _ = env.step(action)
#print(ob.shape)
gt_rewards.append(r[0])
steps += 1
acc_reward += r[0]
if done:
print("demo: {}, steps: {}, return: {}".format(
i, steps, acc_reward))
break
print("traj length", len(traj))
print("demo length", len(demonstrations))
demonstrations.append(traj)
learning_returns.append(acc_reward)
print("Mean", np.mean(learning_returns), "Max", np.max(learning_returns))
return demonstrations, learning_returns
def generate_dropout_distribution_framestack(env, env_name, framestack_path, dropout_net, num_dropout_samples, device, time_limit=100000):
#uses a prerecorded framestack to do return uncertainty analysis on
dropout_rets = np.zeros(num_dropout_samples)
true_returns = [-1] #TODO: I don't have a way to get true returns yet. Need to grab these from Prabhat's code. Should be able to get from rewards saved
#load the framestack
trajectory = np.load(framestack_path)
for i in range(min(time_limit, len(trajectory))):
ob = trajectory[i]
ob_processed = preprocess(ob, env_name)
ob_processed = torch.from_numpy(ob_processed).float().to(device)
for d in range(num_dropout_samples):
dropout_rets[d] += dropout_net.cum_return(ob_processed)[0].item()
del ob_processed
#true_returns.append(acc_reward) #TODO
return dropout_rets, true_returns
def generate_noop_demo(self, env):
print("Generating demos for noop agent")
noop_action = 0
rewards = []
# 100 episodes
episode_count = 4
reward = 0
done = False
rewards = []
cum_steps = []
demos = []
#writer = open(self.checkpoint_dir + "/" +self.env_name + "_bc_results.txt", 'w')
for i in range(int(episode_count)):
ob = env.reset()
steps = 0
acc_reward = 0
traj = []
while True:
#preprocess the state
state = preprocess(ob, self.env_name)
traj.append(state)
state = np.transpose(state, (0, 3, 1, 2))
ob, reward, done, _ = env.step(noop_action)
steps += 1
acc_reward += reward
if done or steps > 500:
print("Episode: {}, Steps: {}, Reward: {}".format(
i, steps, acc_reward))
#writer.write("{}\n".format(acc_reward[0]))
rewards.append(acc_reward)
cum_steps.append(steps)
break
demos.append(traj)
print("Mean reward is: " + str(np.mean(rewards)))
print("Mean step length is: " + str(np.mean(cum_steps)))
return demos
def get_preprocessed_trajectories(env_name, dataset, data_dir,
preprocess_name):
"""returns an array of trajectories corresponding to what you would get running checkpoints from PPO
demonstrations are grayscaled, maxpooled, stacks of 4 with normalized values between 0 and 1 and
top section of screen is masked
"""
print("generating human demos for", env_name)
demos = get_sorted_traj_indices(env_name, dataset)
human_scores = []
human_demos = []
for indx, score in demos:
human_scores.append(score)
traj_dir = path.join(data_dir, 'screens', env_name, str(indx))
#print("generating traj from", traj_dir)
maxed_traj = MaxSkipAndWarpFrames(traj_dir)
stacked_traj = StackFrames(maxed_traj)
demo_norm_mask = []
#normalize values to be between 0 and 1 and have top part masked
for ob in stacked_traj:
demo_norm_mask.append(preprocess(ob, preprocess_name)[0])
human_demos.append(demo_norm_mask)
return human_demos, human_scores
reward_net.to(device)
for i in range(int(episode_count)):
ob = env.reset()
steps = 0
acc_reward = 0.
pred_acc_reward = 0.
while True:
if np.random.rand() < 0.01:
action = env.action_space.sample()
else:
action = agent.act(ob, reward, done)
#action = env.action_space.sample()
ob, reward, done, _ = env.step(action)
#predict reward of ob
input_ob = preprocess(ob, env_name)
input_ob = torch.from_numpy(input_ob).float().to(device)
with torch.no_grad():
rpred = reward_net(input_ob).item()
if args.render:
print("Pred {} vs. True {}".format(rpred, reward))
if abs(rpred) > 0.5:
input()
env.render()
pred_acc_reward += rpred
steps += 1
acc_reward += reward
if done:
print(steps, acc_reward, pred_acc_reward)
def generate_novice_demos(env, env_name, agent, model_dir, debug):
if debug:
checkpoint_min = 300
checkpoint_max = 400
checkpoint_step = 50
else:
checkpoint_min = 50 #50
checkpoint_max = 600
checkpoint_step = 50 #50
checkpoints = []
if env_name == "enduro":
checkpoint_min = 3100
checkpoint_max = 3650
elif env_name == "seaquest":
checkpoint_min = 10
checkpoint_max = 65
checkpoint_step = 5
for i in range(checkpoint_min, checkpoint_max + checkpoint_step, checkpoint_step):
if i < 10:
checkpoints.append('0000' + str(i))
elif i < 100:
checkpoints.append('000' + str(i))
elif i < 1000:
checkpoints.append('00' + str(i))
elif i < 10000:
checkpoints.append('0' + str(i))
print(checkpoints)
demonstrations = []
learning_returns = []
learning_rewards = []
for checkpoint in checkpoints:
model_path = model_dir + env_name + "_25/" + checkpoint
if env_name == "seaquest":
model_path = model_dir + env_name + "_5/" + checkpoint
agent.load(model_path)
episode_count = 1
for i in range(episode_count):
done = False
traj = []
gt_rewards = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
while True:
action = agent.act(ob, r, done)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
#ob_processed = ob_processed[0] #get rid of first dimension ob.shape = (1,84,84,4)
traj.append(ob_processed)
#env.render()
gt_rewards.append(r[0])
steps += 1
acc_reward += np.sign(r[0])
if done:
print("checkpoint: {}, steps: {}, clipped return: {}, true reward {}".format(checkpoint, steps,acc_reward, np.sum(gt_rewards)))
break
print("traj length", len(traj))
print("demo length", len(demonstrations))
demonstrations.append(traj)
learning_returns.append(acc_reward)
learning_rewards.append(gt_rewards)
return demonstrations, learning_returns, learning_rewards
def get_policy_feature_counts(env_name, checkpointpath, num_rollouts,
fixed_horizon):
if env_name == "spaceinvaders":
env_id = "SpaceInvaders"
elif env_name == "mspacman":
env_id = "MsPacman"
elif env_name == "videopinball":
env_id = "VideoPinball"
elif env_name == "beamrider":
env_id = "BeamRider"
elif env_name == "montezumarevenge":
env_id = "MontezumaRevenge"
else:
env_id = env_name[0].upper() + env_name[1:]
if fixed_horizon:
env_id += "NoFrameskipFixedHorizon-v0"
else:
env_id += "NoFrameskip-v4"
env_type = "atari"
stochastic = True
#env id, env type, num envs, and seed
env = make_vec_env(env_id,
'atari',
1,
0,
wrapper_kwargs={
'clip_rewards': False,
'episode_life': False,
})
env = VecFrameStack(env, 4)
agent = PPO2Agent(
env, env_type,
stochastic) #defaults to stochastic = False (deterministic policy)
#agent = RandomAgent(env.action_space)
learning_returns = []
print(checkpointpath)
agent.load(checkpointpath)
episode_count = num_rollouts
f_counts = np.zeros(3) #hard coded neg, zero, pos features
for i in range(episode_count):
done = False
traj = []
r = 0
ob = env.reset()
#traj.append(ob)
#print(ob.shape)
steps = 0
acc_reward = 0
while True:
action = 0 # NoOp agent.act(ob, r, done)
#print(action)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
#print(ob_processed.shape)
if np.sign(r[0]) == -1:
phi_s = np.array([1.0, 0.0, 0.0])
elif np.sign(r[0]) == 0:
phi_s = np.array([0.0, 1.0, 0.0])
else:
phi_s = np.array([0.0, 0.0, 1.0])
#print(phi_s.shape)
f_counts += phi_s
steps += 1
#print(steps)
acc_reward += r[0]
if done:
print("steps: {}, return: {}".format(steps, acc_reward))
break
learning_returns.append(acc_reward)
env.close()
#tf.reset_default_graph()
ave_fcounts = f_counts / episode_count
return learning_returns, ave_fcounts
demonstrator.load(model_path)
for i in range(episode_count):
done = False
traj = []
r = 0
ob = env.reset()
#traj.append(ob)
#print(ob.shape)
steps = 0
acc_reward = 0
while True:
action = demonstrator.act(ob, r, done)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
ob_processed = ob_processed[0] #get rid of spurious first dimension ob.shape = (1,84,84,4)
traj.append(ob_processed)
steps += 1
acc_reward += r[0]
if done:
print("checkpoint: {}, steps: {}, return: {}".format(checkpoint, steps,acc_reward))
break
print("traj length", len(traj))
#print("demo length", len(demonstrations))
#demonstrations.append(traj)
learning_returns_extrapolate.append(acc_reward)
pred_returns_extrapolate.append(reward_net.cum_return(torch.from_numpy(np.array(traj)).float().to(device))[0].item())
print("pred return", pred_returns_extrapolate[-1])
def generate_demos(env, env_name, agent, model_dir, checkpoint_range, save_dir='demos', episodes_per_checkpoint=5, map_increment=1e9):
save_path = save_dir + '/' + env_name + '.lmdb'
if os.path.exists(save_path):
print('Demonstrations not collected as %s already exists' % save_path)
return
checkpoints = []
for i in checkpoint_range:
if i < 10:
checkpoints.append('0000' + str(i))
elif i < 100:
checkpoints.append('000' + str(i))
elif i < 1000:
checkpoints.append('00' + str(i))
elif i < 10000:
checkpoints.append('0' + str(i))
print(checkpoints)
makedirs(save_dir, exist_ok=True)
map_counter = 1
keys = []
with lmdb.open(save_path, map_size=map_counter*map_increment) as lmdb_env:
for checkpoint in checkpoints:
model_path = model_dir + "/models/" + env_name + "_25/" + checkpoint
if env_name == "seaquest":
model_path = model_dir + "/models/" + env_name + "_5/" + checkpoint
agent.load(model_path)
for i in range(episodes_per_checkpoint):
done = False
traj = []
gt_rewards = []
actions = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
while True:
action = agent.act(ob, r, done)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
traj.append(ob_processed)
actions.append(action)
gt_rewards.append(r[0])
acc_reward += r[0]
steps += 1
if done:
print("checkpoint: {}, steps: {}, return: {}".format(checkpoint, steps, acc_reward))
break
traj = (np.concatenate(traj, axis=0)*255).astype(np.uint8)
actions = np.array(actions)
gt_rewards = np.array(gt_rewards)
value = {'states':traj,
'actions':actions,
'rewards':gt_rewards,
'length':steps,
'return':acc_reward}
key = '%s_%s_%d' % (env_name, checkpoint, i)
lmdb_env, key = lmdb_submit(key, value, lmdb_env, save_path, map_counter, map_increment)
keys += [key]
with lmdb_env.begin(write=True) as txn:
txn.put(b'__keys__', pickle.dumps(keys))
print('%d total demonstrations gathered' % len(keys))
def generate_mean_map_noop_demos(env, env_name, agent, mean_path, map_path):
demonstrations = []
learning_returns = []
learning_rewards = []
for model_path in [map_path]:
agent.load(model_path)
episode_count = 1
for i in range(episode_count):
done = False
traj = []
gt_rewards = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
while steps < 7000:
action = agent.act(ob, r, done)
ob, r, done, _ = env.step(action)
if args.render:
env.render()
ob_processed = preprocess(ob, env_name)
#ob_processed = ob_processed[0] #get rid of first dimension ob.shape = (1,84,84,4)
traj.append(ob_processed)
gt_rewards.append(r[0])
steps += 1
acc_reward += r[0]
if done:
break
print("checkpoint: {}, steps: {}, return: {}".format(
model_path, steps, acc_reward))
print("traj length", len(traj))
print("demo length", len(demonstrations))
demonstrations.append(traj)
learning_returns.append(acc_reward)
learning_rewards.append(gt_rewards)
#add no-op demos
done = False
traj = []
gt_rewards = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
while steps < 7000:
action = 0 #agent.act(ob, r, done)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
#ob_processed = ob_processed[0] #get rid of first dimension ob.shape = (1,84,84,4)
traj.append(ob_processed)
gt_rewards.append(r[0])
steps += 1
acc_reward += r[0]
if done:
print("checkpoint: {}, steps: {}, return: {}".format(
"noop", steps, acc_reward))
break
print("noop traj length", len(traj))
print("demo length", len(demonstrations))
demonstrations.append(traj)
learning_returns.append(acc_reward)
learning_rewards.append(gt_rewards)
return demonstrations, learning_returns, learning_rewards
def get_policy_feature_counts(env_name, checkpointpath, num_rollouts, max_length = 3000):
if env_name == "spaceinvaders":
env_id = "SpaceInvadersNoFrameskip-v4"
elif env_name == "mspacman":
env_id = "MsPacmanNoFrameskip-v4"
elif env_name == "videopinball":
env_id = "VideoPinballNoFrameskip-v4"
elif env_name == "beamrider":
env_id = "BeamRiderNoFrameskip-v4"
elif env_name == "montezumarevenge":
env_id = "MontezumaRevengeNoFrameskip-v4"
else:
env_id = env_name[0].upper() + env_name[1:] + "NoFrameskip-v4"
env_type = "atari"
stochastic = True
#env id, env type, num envs, and seed
env = make_vec_env(env_id, 'atari', 1, 0,
wrapper_kwargs={
'clip_rewards':False,
'episode_life':False,
})
env = VecFrameStack(env, 4)
agent = PPO2Agent(env, env_type, stochastic) #defaults to stochastic = False (deterministic policy)
#agent = RandomAgent(env.action_space)
learning_returns = []
print(checkpointpath)
agent.load(checkpointpath)
episode_count = num_rollouts
if args.no_term:
f_counts = np.zeros(3) #neg, zero, pos clipped rewards
else:
f_counts = np.zeros(4)
for i in range(episode_count):
print("epsiode", i)
done = False
traj = []
r = 0
ob = env.reset()
#traj.append(ob)
#print(ob.shape)
steps = 0
acc_reward = 0
while steps < max_length:
if not done:
action = agent.act(ob, r, done)
#print(action)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
#print(ob_processed.shape)
if np.sign(r[0]) == -1:
if args.no_term:
phi_s = np.array([1.0, 0.0, 0.0])
else:
phi_s = np.array([1.0, 0.0, 0.0, 0.0])
elif np.sign(r[0]) == 0:
if args.no_term:
phi_s = np.array([0.0, 1.0, 0.0])
else:
phi_s = np.array([0.0, 1.0, 0.0, 0.0])
elif np.sign(r[0]) == 1:
if args.no_term:
phi_s = np.array([0.0, 0.0, 1.0])
else:
phi_s = np.array([0.0, 0.0, 1.0, 0.0])
else:
print("error not a valid clipped reward")
sys.exit()
#print(phi_s.shape)
f_counts += phi_s
steps += 1
#print(steps)
acc_reward += r[0]
#if done:
# print("steps: {}, return: {}".format(steps,acc_reward))
else:
#add in appropriate padding and then break
#print("adding padding", max_length - steps)
if args.no_term:
phi_s = (max_length - steps) * np.array([0.0, 1.0, 0.0])
else:
phi_s = (max_length - steps) * np.array([0.0, 0.0, 0.0, 1.0])
f_counts += phi_s
#print("f_counts", f_counts)
break
print("steps: {}, return: {}".format(steps,acc_reward))
learning_returns.append(acc_reward)
env.close()
#tf.reset_default_graph()
del agent
del env
ave_fcounts = f_counts/episode_count
return learning_returns, ave_fcounts
def generate_novice_demos(env, env_name, agent, model_dir):
checkpoint_min = 550
checkpoint_max = 600
checkpoint_step = 50
checkpoints = []
if env_name == "enduro":
checkpoint_min = 3100
checkpoint_max = 3650
elif env_name == "seaquest":
checkpoint_min = 10
checkpoint_max = 65
checkpoint_step = 5
for i in range(checkpoint_min, checkpoint_max + checkpoint_step,
checkpoint_step):
if i < 10:
checkpoints.append('0000' + str(i))
elif i < 100:
checkpoints.append('000' + str(i))
elif i < 1000:
checkpoints.append('00' + str(i))
elif i < 10000:
checkpoints.append('0' + str(i))
#if env_name == "pong":
# checkpoints = ['00025','00050','00175','00200','00250','00350','00450','00500','00550','00600','00700','00700']
print(checkpoints)
demonstrations = []
learning_returns = []
learning_rewards = []
for checkpoint in checkpoints:
model_path = model_dir + "/models/" + env_name + "_25/" + checkpoint
if env_name == "seaquest":
model_path = model_dir + "/models/" + env_name + "_5/" + checkpoint
agent.load(model_path)
episode_count = 1
for i in range(episode_count):
done = False
traj = []
gt_rewards = []
r = 0
ob = env.reset()
#traj.append(ob)
#print(ob.shape)
steps = 0
acc_reward = 0
while True:
action = agent.act(ob, r, done)
ob_processed = preprocess(ob, env_name)
#ob_processed = ob_processed[0] #get rid of spurious first dimension ob.shape = (1,84,84,4)
traj.append((ob_processed, action))
ob, r, done, _ = env.step(action)
#print(ob.shape)
gt_rewards.append(r[0])
steps += 1
acc_reward += r[0]
if done:
print("checkpoint: {}, steps: {}, return: {}".format(
checkpoint, steps, acc_reward))
break
print("traj length", len(traj))
print("demo length", len(demonstrations))
demonstrations.append(traj)
learning_returns.append(acc_reward)
learning_rewards.append(gt_rewards)
print(np.mean(learning_returns), np.max(learning_returns))
return demonstrations, learning_returns, learning_rewards
def get_policy_feature_counts(env_name,
checkpointpath,
feature_net,
num_rollouts,
max_length,
no_op=False):
if env_name == "spaceinvaders":
env_id = "SpaceInvadersNoFrameskip-v4"
elif env_name == "mspacman":
env_id = "MsPacmanNoFrameskip-v4"
elif env_name == "videopinball":
env_id = "VideoPinballNoFrameskip-v4"
elif env_name == "beamrider":
env_id = "BeamRiderNoFrameskip-v4"
elif env_name == "montezumarevenge":
env_id = "MontezumaRevengeNoFrameskip-v4"
else:
env_id = env_name[0].upper() + env_name[1:] + "NoFrameskip-v4"
env_type = "atari"
stochastic = True
#env id, env type, num envs, and seed
env = make_vec_env(env_id,
'atari',
1,
0,
wrapper_kwargs={
'clip_rewards': False,
'episode_life': False,
})
env = VecFrameStack(env, 4)
agent = PPO2Agent(
env, env_type,
stochastic) #defaults to stochastic = False (deterministic policy)
#agent = RandomAgent(env.action_space)
learning_returns = []
fcount_rollouts = [] #keep track of the feature counts for each rollout
num_steps = []
print("using checkpoint", checkpointpath,
"if none then using no-op policy")
if not no_op:
agent.load(checkpointpath)
episode_count = num_rollouts
f_counts = np.zeros(feature_net.fc2.in_features)
for i in range(episode_count):
done = False
traj = []
fc_rollout = np.zeros(feature_net.fc2.in_features)
r = 0
ob = env.reset()
#traj.append(ob)
#print(ob.shape)
steps = 0
acc_reward = 0
while steps < max_length:
if no_op:
action = 0
else:
action = agent.act(ob, r, done)
#print(action)
ob, r, done, _ = env.step(action)
env.render()
ob_processed = preprocess(ob, env_name)
#print(ob_processed.shape)
phi_s = feature_net.state_feature(
torch.from_numpy(ob_processed).float().to(
device)).cpu().squeeze().numpy()
#print(phi_s.shape)
fc_rollout += phi_s
f_counts += phi_s
steps += 1
#print(steps)
acc_reward += r[0]
if done:
print("didn't run long enough!")
break
print("steps: {}, return: {}".format(steps, acc_reward))
fcount_rollouts.append(fc_rollout)
learning_returns.append(acc_reward)
num_steps.append(steps)
env.close()
#tf.reset_default_graph()
ave_fcounts = f_counts / episode_count
#print('ave', ave_fcounts)
#print('computed ave', np.mean(np.array(fcount_rollouts), axis=0))
return learning_returns, ave_fcounts, fcount_rollouts, num_steps
episode_count = 1
for i in range(episode_count):
done = False
traj = []
r = 0
ob = env.reset()
#traj.append(ob)
#print(ob.shape)
steps = 0
acc_reward = 0
while True:
action = agent.act(ob, r, done)
ob, r, done, _ = env.step(action)
#print(ob.shape)
traj.append(preprocess(ob, env_name))
steps += 1
acc_reward += r[0]
if done:
print("checkpoint: {}, steps: {}, return: {}".format(
checkpoint, steps, acc_reward))
break
print("traj length", len(traj))
print("demo length", len(demonstrations))
demonstrations.append(traj)
learning_returns_demos.append(acc_reward)
pred_returns_demos.append(
reward.cum_return(
torch.from_numpy(np.array(traj)).float().to(device))[0].item())
print("pred return", pred_returns_demos[-1])
def get_policy_feature_counts(env_name, checkpointpath, feature_net, num_rollouts, add_bias=False):
if env_name == "spaceinvaders":
env_id = "SpaceInvadersNoFrameskip-v4"
elif env_name == "mspacman":
env_id = "MsPacmanNoFrameskip-v4"
elif env_name == "videopinball":
env_id = "VideoPinballNoFrameskip-v4"
elif env_name == "beamrider":
env_id = "BeamRiderNoFrameskip-v4"
elif env_name == "montezumarevenge":
env_id = "MontezumaRevengeNoFrameskip-v4"
else:
env_id = env_name[0].upper() + env_name[1:] + "NoFrameskip-v4"
env_type = "atari"
stochastic = True
#env id, env type, num envs, and seed
env = make_vec_env(env_id, 'atari', 1, 0,
wrapper_kwargs={
'clip_rewards':False,
'episode_life':False,
})
env = VecFrameStack(env, 4)
agent = PPO2Agent(env, env_type, stochastic) #defaults to stochastic = False (deterministic policy)
#agent = RandomAgent(env.action_space)
learning_returns = []
print(checkpointpath)
agent.load(checkpointpath)
episode_count = num_rollouts
if add_bias:
f_counts = np.zeros(feature_net.fc2.in_features + 1)
else:
f_counts = np.zeros(feature_net.fc2.in_features)
for i in range(episode_count):
done = False
traj = []
r = 0
ob = env.reset()
#traj.append(ob)
#print(ob.shape)
steps = 0
acc_reward = 0
while steps < 7000:
action = agent.act(ob, r, done)
#print(action)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
#print(ob_processed.shape)
if add_bias:
phi_s = torch.cat((feature_net.state_feature(torch.from_numpy(ob_processed).float().to(device)).cpu().squeeze(), torch.tensor([1.]))).numpy()
else:
phi_s = feature_net.state_feature(torch.from_numpy(ob_processed).float().to(device)).cpu().squeeze().numpy()
#print(phi_s.shape)
f_counts += phi_s
steps += 1
#print(steps)
acc_reward += r[0]
if done:
print("steps: {}, return: {}".format(steps,acc_reward))
break
learning_returns.append(acc_reward)
env.close()
#tf.reset_default_graph()
del agent
del env
ave_fcounts = f_counts/episode_count
return learning_returns, ave_fcounts
def generate_novice_demos(env, env_name, agent, model_dir):
checkpoint_min = 50
checkpoint_max = 600
checkpoint_step = 50
checkpoints = []
if env_name == "enduro":
checkpoint_min = 3100
checkpoint_max = 3650
"""
elif env_name == "seaquest":
checkpoint_min = 10
checkpoint_max = 65
checkpoint_step = 5
"""
for i in range(checkpoint_min, checkpoint_max + checkpoint_step,
checkpoint_step):
if i < 10:
checkpoints.append('0000' + str(i))
elif i < 100:
checkpoints.append('000' + str(i))
elif i < 1000:
checkpoints.append('00' + str(i))
elif i < 10000:
checkpoints.append('0' + str(i))
print(checkpoints)
demonstrations = []
learning_returns = []
learning_rewards = []
for checkpoint in checkpoints:
model_path = model_dir + "/models/" + env_name + "_25/" + checkpoint
#if env_name == "seaquest":
# model_path = model_dir + "/models/" + env_name + "_5/" + checkpoint
agent.load(model_path)
episode_count = 5 #30
for i in range(episode_count):
done = False
traj = []
actions = []
gt_rewards = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
#os.mkdir('images/' + str(checkpoint))
frameno = 0
while True:
action = agent.act(ob, r, done)
ob, r, done, info = env.step(action)
ob_processed = preprocess(ob, env_name)
ob_processed = ob_processed[
0] #get rid of first dimension ob.shape = (1,84,84,4)
traj.append(ob_processed)
actions.append(action[0])
#save_image(torch.from_numpy(ob_processed).permute(2, 0, 1).reshape(4*84, 84), 'images/' + str(checkpoint) + '/' + str(frameno) + '_action_' + str(action[0]) + '.png')
frameno += 1
gt_rewards.append(r[0])
steps += 1
acc_reward += r[0]
if done:
print("checkpoint: {}, steps: {}, return: {}".format(
checkpoint, steps, acc_reward))
break
print("traj length", len(traj))
print("demo length", len(demonstrations))
demonstrations.append([traj, actions])
learning_returns.append(acc_reward)
learning_rewards.append(gt_rewards)
return demonstrations, learning_returns, learning_rewards
def generate_mean_map_noop_demos(env, env_name, agent, mean_path, map_path):
demonstrations = []
learning_returns = []
learning_rewards = []
# for model_path in [map_path, mean_path,
# '../../learning-rewards-of-learners/learner/models/seaquest_25/00025',
# '../../learning-rewards-of-learners/learner/models/seaquest_25/00325',
# '../../learning-rewards-of-learners/learner/models/seaquest_25/00800',
# '../../learning-rewards-of-learners/learner/models/seaquest_25/01450']:
#
# agent.load(model_path)
# episode_count = 1
# for i in range(episode_count):
# done = False
# traj = []
# gt_rewards = []
# r = 0
#
# ob = env.reset()
# steps = 0
# acc_reward = 0
# while steps < 7000:
# action = agent.act(ob, r, done)
# ob, r, done, _ = env.step(action)
# if args.render:
# env.render()
# ob_processed = preprocess(ob, env_name)
# #ob_processed = ob_processed[0] #get rid of first dimension ob.shape = (1,84,84,4)
# traj.append(ob_processed)
#
# gt_rewards.append(r[0])
# steps += 1
# acc_reward += r[0]
# if done:
# break
# print("checkpoint: {}, steps: {}, return: {}".format(model_path, steps,acc_reward))
#
# print("traj length", len(traj))
# print("demo length", len(demonstrations))
# demonstrations.append(traj)
# learning_returns.append(acc_reward)
# learning_rewards.append(gt_rewards)
#add no-op demos
done = False
traj = []
gt_rewards = []
r = 0
ob = env.reset()
steps = 0
acc_reward = 0
while steps < 3000:
action = 0#agent.act(ob, r, done)
ob, r, done, _ = env.step(action)
ob_processed = preprocess(ob, env_name)
#ob_processed = ob_processed[0] #get rid of first dimension ob.shape = (1,84,84,4)
traj.append(ob_processed)
gt_rewards.append(r[0])
steps += 1
acc_reward += r[0]
if done:
print("checkpoint: {}, steps: {}, return: {}".format("noop", steps,acc_reward))
break
print("noop traj length", len(traj))
print("demo length", len(demonstrations))
demonstrations.append(traj)
learning_returns.append(acc_reward)
learning_rewards.append(gt_rewards)
return demonstrations, learning_returns, learning_rewards
