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Niels Justesen
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Niels Justesen
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# Byte-compiled / optimized / DLL files | ||
__pycache__/ | ||
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# Vizdoom files | ||
_vizdoom.ini | ||
*.wad.bak | ||
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# Log files | ||
logs/ | ||
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# Network models | ||
trained_models/ | ||
*.pt | ||
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# Mac specifig ignores | ||
.DS_Store | ||
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# Archives | ||
.zip |
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# Rarity of Events | ||
Code for the Rarity of Events method that rewards the agent based on the temporal rarity of events. | ||
Pre-trained models are found in the models directory. | ||
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# Packages to install | ||
pytorch | ||
scipy | ||
sdl2 | ||
vizdoom | ||
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## Training A2C baseline | ||
~~~~ | ||
# A2C baseline | ||
python main.py --num-processes 16 --config-path scenario/deathmatch.cfg --num-frames 75000000 --no-vis | ||
# A2C+RoE | ||
python main.py --num-processes 16 --config-path scenario/deathmatch.cfg --num-frames 75000000 --no-vis --roe | ||
~~~~ | ||
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## Running the agent | ||
~~~~ | ||
# A2C baseline | ||
python enjoy.py --config-path scenario/deatmatch.cfg | ||
# A2C+RoE | ||
python enjoy.py --config-path scenario/deatmatch.cfg --roe | ||
~~~~ |
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import argparse | ||
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import torch | ||
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def get_args(): | ||
parser = argparse.ArgumentParser(description='RL') | ||
parser.add_argument('--lr', type=float, default=7e-4, | ||
help='learning rate (default: 7e-4)') | ||
parser.add_argument('--eps', type=float, default=1e-5, | ||
help='RMSprop optimizer epsilon (default: 1e-5)') | ||
parser.add_argument('--alpha', type=float, default=0.99, | ||
help='RMSprop optimizer apha (default: 0.99)') | ||
parser.add_argument('--gamma', type=float, default=0.99, | ||
help='discount factor for rewards (default: 0.99)') | ||
parser.add_argument('--entropy-coef', type=float, default=0.01, | ||
help='entropy term coefficient (default: 0.01)') | ||
parser.add_argument('--value-loss-coef', type=float, default=0.5, | ||
help='value loss coefficient (default: 0.5)') | ||
parser.add_argument('--max-grad-norm', type=float, default=0.5, | ||
help='value loss coefficient (default: 0.5)') | ||
parser.add_argument('--seed', type=int, default=1, | ||
help='random seed (default: 1)') | ||
parser.add_argument('--num-processes', type=int, default=16, | ||
help='how many training CPU processes to use (default: 16)') | ||
parser.add_argument('--num-steps', type=int, default=20, | ||
help='number of forward steps in A2C (default: 20)') | ||
parser.add_argument('--ppo-epoch', type=int, default=4, | ||
help='number of ppo epochs (default: 4)') | ||
parser.add_argument('--batch-size', type=int, default=64, | ||
help='ppo batch size (default: 64)') | ||
parser.add_argument('--clip-param', type=float, default=0.2, | ||
help='ppo clip parameter (default: 0.2)') | ||
parser.add_argument('--num-stack', type=int, default=1, | ||
help='number of frames to stack (default: 1)') | ||
parser.add_argument('--log-interval', type=int, default=100, | ||
help='log interval, one log per n updates (default: 100)') | ||
parser.add_argument('--save-interval', type=int, default=100, | ||
help='save interval, one save per n updates (default: 100)') | ||
parser.add_argument('--vis-interval', type=int, default=100, | ||
help='vis interval, one log per n updates (default: 100)') | ||
parser.add_argument('--num-frames', type=int, default=10e6, | ||
help='number of frames to train (default: 10e6)') | ||
parser.add_argument('--env-name', default='VizDoom', | ||
help='environment to train on (default: VizDoom)') | ||
parser.add_argument('--config-path', default='./scenarios/basic.cfg', | ||
help='vizdoom configuration file path (default: ./scenarios/basic.cfg)') | ||
parser.add_argument('--source-models-path', default='./models', | ||
help='directory from where to load source task models [A2T only] (default: ./models)') | ||
parser.add_argument('--log-dir', default='./', | ||
help='directory to save agent logs (default: /tmp/vizdoom)') | ||
parser.add_argument('--save-dir', default='./models', | ||
help='directory to save agent logs (default: ./models/)') | ||
parser.add_argument('--no-cuda', action='store_true', default=False, | ||
help='disables CUDA training') | ||
parser.add_argument('--no-vis', action='store_true', default=False, | ||
help='disables visdom visualization') | ||
parser.add_argument('--resume', action='store_true', default=False, | ||
help='Resume training') | ||
parser.add_argument('--shaped', action='store_true', default=False, | ||
help='Trains using shaped intrinsic reward') | ||
parser.add_argument('--bots', action='store_true', default=False, | ||
help='Is the scenario with bots? (default: False)') | ||
parser.add_argument('--roe', action='store_true', default=False, | ||
help='Trains using Rairty of Events (default: False)') | ||
parser.add_argument('--visual', action='store_true', default=False, | ||
help='Trains with visuals (default: False)') | ||
parser.add_argument('--num-events', type=int, default=26, | ||
help='number of events to record (default: 26)') | ||
parser.add_argument('--num-vars', type=int, default=17, | ||
help='number of vars to record (default: 17)') | ||
args = parser.parse_args() | ||
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args.cuda = not args.no_cuda and torch.cuda.is_available() | ||
args.vis = not args.no_vis | ||
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return args |
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import math | ||
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import torch | ||
import torch.nn as nn | ||
import torch.nn.functional as F | ||
from torch.autograd import Variable | ||
from utils import AddBias | ||
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class Categorical(nn.Module): | ||
def __init__(self, num_inputs, num_outputs): | ||
super(Categorical, self).__init__() | ||
self.linear = nn.Linear(num_inputs, num_outputs) | ||
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def forward(self, x): | ||
x = self.linear(x) | ||
return x | ||
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def sample(self, x, deterministic): | ||
x = self(x) | ||
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probs = F.softmax(x) | ||
if deterministic is False: | ||
action = probs.multinomial() | ||
else: | ||
action = probs.max(1)[1] | ||
return action | ||
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def logprobs_and_entropy(self, x, actions): | ||
x = self(x) | ||
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log_probs = F.log_softmax(x) | ||
probs = F.softmax(x) | ||
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action_log_probs = log_probs.gather(1, actions) | ||
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dist_entropy = -(log_probs * probs).sum(-1).mean() | ||
return action_log_probs, dist_entropy | ||
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class DiagGaussian(nn.Module): | ||
def __init__(self, num_inputs, num_outputs): | ||
super(DiagGaussian, self).__init__() | ||
self.fc_mean = nn.Linear(num_inputs, num_outputs) | ||
self.logstd = AddBias(torch.zeros(num_outputs)) | ||
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def forward(self, x): | ||
x = self.fc_mean(x) | ||
action_mean = x | ||
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# An ugly hack for my KFAC implementation. | ||
zeros = Variable(torch.zeros(x.size()), volatile=x.volatile) | ||
if x.is_cuda: | ||
zeros = zeros.cuda() | ||
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x = self.logstd(zeros) | ||
action_logstd = x | ||
return action_mean, action_logstd | ||
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def sample(self, x, deterministic): | ||
action_mean, action_logstd = self(x) | ||
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action_std = action_logstd.exp() | ||
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noise = Variable(torch.randn(action_std.size())) | ||
if action_std.is_cuda: | ||
noise = noise.cuda() | ||
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if deterministic is False: | ||
action = action_mean + action_std * noise | ||
else: | ||
action = action_mean | ||
return action | ||
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def logprobs_and_entropy(self, x, actions): | ||
action_mean, action_logstd = self(x) | ||
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action_std = action_logstd.exp() | ||
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action_log_probs = -0.5 * ((actions - action_mean) / action_std).pow(2) - 0.5 * math.log(2 * math.pi) - action_logstd | ||
action_log_probs = action_log_probs.sum(1, keepdim=True) | ||
dist_entropy = 0.5 + math.log(2 * math.pi) + action_log_probs | ||
dist_entropy = dist_entropy.sum(-1).mean() | ||
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return action_log_probs, dist_entropy |
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import argparse | ||
import os | ||
import pickle | ||
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import torch | ||
from torch.autograd import Variable | ||
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from envs import make_env | ||
from vec_env import VecEnv | ||
from time import sleep | ||
import matplotlib.animation as animation | ||
import numpy as np | ||
import scipy.misc | ||
from pylab import * | ||
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parser = argparse.ArgumentParser(description='RL') | ||
parser.add_argument('--algo', default='a2c', | ||
help='algorithm to use: a2c | acktr') | ||
parser.add_argument('--seed', type=int, default=1, | ||
help='random seed (default: 1)') | ||
parser.add_argument('--num-stack', type=int, default=1, | ||
help='number of frames to stack (default: 1)') | ||
parser.add_argument('--log-interval', type=int, default=10, | ||
help='log interval, one log per n updates (default: 10)') | ||
parser.add_argument('--env-name', default='VizDoom', | ||
help='environment to train on (default: VizDoom)') | ||
parser.add_argument('--config-path', default='./scenarios/deady_corridor.cfg', | ||
help='vizdoom configuration file path (default: ./scenarios/basic.cfg)') | ||
parser.add_argument('--load-dir', default='./models/', | ||
help='directory with models') | ||
parser.add_argument('--log-dir', default='/tmp/doom/', | ||
help='directory to save agent logs (default: /tmp/doom)') | ||
parser.add_argument('--roe', action='store_true', default=False, | ||
help='Loads the RoE model (default: False)') | ||
parser.add_argument('--demo', action='store_true', default=True, | ||
help='Play in real-time with visuals (default: False)') | ||
parser.add_argument('--record', action='store_true', default=False, | ||
help='Record game (default: False)') | ||
parser.add_argument('--heatmap', action='store_true', default=False, | ||
help='Saves data for heatmaps (default: False)') | ||
args = parser.parse_args() | ||
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try: | ||
os.makedirs(args.log_dir) | ||
except OSError: | ||
pass | ||
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envs = VecEnv([make_env(0, config_file_path=args.config_path, visual=args.demo)], record=args.record) | ||
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scenario = args.config_path.split("/")[1].split(".")[0] | ||
exp_name = scenario + ("_event" if args.roe else "") | ||
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print("Scenario: " + scenario) | ||
print("Experiment: " + exp_name) | ||
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if args.roe: | ||
model_name = args.algo + "/vizdoom_" + scenario.split("-")[0] + "_event" | ||
else: | ||
model_name = args.algo + "/vizdoom_" + scenario.split("-")[0] | ||
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print("Model: " + model_name) | ||
actor_critic = torch.load(os.path.join(args.load_dir, model_name + ".pt")) | ||
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actor_critic.eval() | ||
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obs_shape = envs.observation_space_shape | ||
obs_shape = (obs_shape[0] * args.num_stack, *obs_shape[1:]) | ||
current_obs = torch.zeros(1, *obs_shape) | ||
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if args.record: | ||
try: | ||
os.remove("recording_" + scenario + ".lmp") | ||
except Exception as e: | ||
pass | ||
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def update_current_obs(obs): | ||
shape_dim0 = envs.observation_space_shape[0] | ||
obs = torch.from_numpy(obs).float() | ||
if args.num_stack > 1: | ||
current_obs[:, :-shape_dim0] = current_obs[:, shape_dim0:] | ||
current_obs[:, -shape_dim0:] = obs | ||
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obs = envs.reset() | ||
update_current_obs(obs) | ||
#vars = envs.get_all_game_variables() | ||
#vars = torch.from_numpy(to_input_vars(vars)).float() | ||
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num_episodes = 10 if not args.record else 1 | ||
total_rewards = [] | ||
episode_cnt = 0 | ||
episode_reward = 0.0 | ||
total_kills = [] | ||
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frame = 0 | ||
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deterministic = True | ||
num_of_events = 26 | ||
episode_events = np.zeros(num_of_events) | ||
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positions = [] | ||
positions_episode = [] | ||
position = envs.get_position()[0] | ||
positions_episode.append(position) | ||
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while episode_cnt < num_episodes: | ||
if args.demo: | ||
sleep(1/24) | ||
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# Save frames | ||
#scipy.misc.imsave('./frames/' + scenario + '_' + str(frame) + '.jpg', current_obs.numpy()[0][0]) | ||
frame += 1 | ||
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#actor_critic.vars = Variable(vars) | ||
value, action = actor_critic.act(Variable(current_obs, volatile=True), | ||
deterministic=deterministic) | ||
if deterministic: | ||
cpu_actions = action.data.cpu().numpy() # Enable for deterministic play | ||
else: | ||
cpu_actions = action.data.squeeze(1).cpu().numpy() | ||
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# Obser reward and next obs | ||
obs, reward, done, _, events = envs.step([cpu_actions[0]]) | ||
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# Fix reward | ||
if scenario in ["deathmatch", "my_way_home"]: | ||
reward[0] *= 100 | ||
if scenario == "deadly_corridor": | ||
reward[0] = 1 if events[0][2] >= 1 else 0 | ||
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#print('Frame', frame) | ||
#print ('Reward:', reward[0] * 100) | ||
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position = envs.get_position()[0] | ||
positions_episode.append(position) | ||
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if events[0][15] > 0: | ||
print("kill: " + str(events[0][15])) | ||
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#vars = torch.from_numpy(np.array(to_input_vars(vars))).float() | ||
episode_reward += reward[0] * 100 | ||
episode_events = episode_events + np.array(events[0]) | ||
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if done: | ||
#print("Reward: " + str(episode_reward)) | ||
positions.append(np.copy(positions_episode)) | ||
positions_episode = [] | ||
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total_rewards.append(episode_reward) | ||
episode_cnt += 1 | ||
episode_reward = 0.0 | ||
episode_game_variables = envs.get_all_game_variables()[0] | ||
total_kills.append(episode_events[15]) | ||
episode_events = np.zeros(num_of_events) | ||
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obs = envs.reset() | ||
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position = envs.get_position()[0] | ||
positions_episode.append(position) | ||
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#actor_critic = torch.load(os.path.join(args.load_dir, log_file_name.split(".log")[0] + ".pt")) | ||
#actor_critic.eval() | ||
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update_current_obs(obs) | ||
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print ('Avg reward:', np.mean(total_rewards)) | ||
print ('Std. dev reward:', np.std(total_rewards)) | ||
print ('Avg kills:', np.mean(total_kills)) | ||
print ('Std. dev. kills:', np.std(total_kills)) | ||
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heat_name = scenario + "_" + model_name + ".p" | ||
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if args.heatmap: | ||
pickle.dump( positions, open( "./heat_data/" + exp_name, "wb" ) ) | ||
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envs.close() |
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