コード例 #1
0
env_id = "PongNoFrameskip-v4"  # established environment that will be played
env = make_atari(env_id)
env = wrap_deepmind(env)
env = wrap_pytorch(env)

num_frames = 1000000  # total frames that will be learning from
batch_size = 32  # the number of samples that are provided to the model for update services at a given time
gamma = 0.99  # the discount of future rewards
record_idx = 10000  #

replay_initial = 10000  # number frames that are held
replay_buffer = ReplayBuffer(100000)
model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
model.load_state_dict(
    torch.load("model_pretrained.pth",
               map_location='cpu'))  #loading in the pretrained model

target_model = QLearner(env, num_frames, batch_size, gamma,
                        replay_buffer)  #load in model
target_model.copy_from(model)

optimizer = optim.Adam(model.parameters(),
                       lr=0.0001)  #learning rate set and optimizing the model
if USE_CUDA:
    model = model.cuda()  # sends model to gpu
    target_model = target_model.cuda()
    print("Using cuda")

epsilon_start = 1.0
epsilon_final = 0.01
コード例 #2
0
import matplotlib.pyplot as plt

env_id = "PongNoFrameskip-v4"
env = make_atari(env_id)
env = wrap_deepmind(env)
env = wrap_pytorch(env)

num_frames = 1000000
batch_size = 32
gamma = 0.99

replay_initial = 10000
replay_buffer = ReplayBuffer(100000)

model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
model.load_state_dict(torch.load('trained_model.pth'))
model.eval()
if USE_CUDA:
    model = model.cuda()

epsilon_start = 1.0
epsilon_final = 0.01
epsilon_decay = 30000

losses = []
all_rewards = []
episode_reward = 0

loss_list = []
reward_list = []
コード例 #3
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from dqn import QLearner, compute_td_loss, ReplayBuffer

env_id = "PongNoFrameskip-v4"
env = make_atari(env_id)
env = wrap_deepmind(env)
env = wrap_pytorch(env)

num_frames = 1000000
batch_size = 32
gamma = 0.99
record_idx = 10000

replay_initial = 10000
replay_buffer = ReplayBuffer(100000)
model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
model.load_state_dict(torch.load("model_pretrained.pth", map_location='cpu'))

target_model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
target_model.copy_from(model)

optimizer = optim.Adam(model.parameters(), lr=0.00001)
if USE_CUDA:
    model = model.cuda()
    target_model = target_model.cuda()
    print("Using cuda")

epsilon_start = 1.0
epsilon_final = 0.01
epsilon_decay = 30000
epsilon_by_frame = lambda frame_idx: epsilon_final + (
    epsilon_start - epsilon_final) * math.exp(-1. * frame_idx / epsilon_decay)
コード例 #4
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USE_CUDA = torch.cuda.is_available()
from dqn import QLearner, compute_td_loss, ReplayBuffer

env_id = "PongNoFrameskip-v4"
env = make_atari(env_id)
env = wrap_deepmind(env)
env = wrap_pytorch(env)

num_frames = 1000000
batch_size = 32
gamma = 0.99

replay_initial = 10000
replay_buffer = ReplayBuffer(100000)
model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
model.load_state_dict(torch.load(sys.argv[1], map_location='cpu'))
model.eval()
if USE_CUDA:
    model = model.cuda()
    print("Using cuda")

model.load_state_dict(torch.load(pthname, map_location='cpu'))

env.seed(1)
state = env.reset()
done = False

games_won = 0

while not done:
    if use_gui:
コード例 #5
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epsilon_start = 0.1
epsilon_final = 0.1
epsilon_decay = 30000
epsilon_by_frame = lambda frame_idx: epsilon_final + (
    epsilon_start - epsilon_final) * math.exp(-1. * frame_idx / epsilon_decay)

losses = []
all_rewards = []
episode_reward = 0

state = env.reset()

if len(sys.argv) > 1:
    checkpoint = torch.load(sys.argv[1])
    model.load_state_dict(checkpoint['state_dict'])
    optimizer.load_state_dict(checkpoint['optimizer'])
    #frame_start = checkpoint['frame_idx']
    #losses = checkpoint['losses']
    #all_rewards = checkpoint['all_rewards']
    #replay_buffer = checkpoint['replay_buffer']

frame_start = 1300000

for frame_idx in range(frame_start, frame_start + num_frames + 1):

    epsilon = epsilon_by_frame(frame_idx)

    # given our state (received from the env), model chooses an action
    action = model.act(state, epsilon)
コード例 #6
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env_id = "PongNoFrameskip-v4"
env = make_atari(env_id)
env = wrap_deepmind(env)
env = wrap_pytorch(env)

num_frames = 1000000
batch_size = 32
gamma = 0.99
record_idx = 10000

filename = "2model.pth"
replay_initial = 10000
replay_buffer = ReplayBuffer(100000)
model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
model.load_state_dict(torch.load(filename, map_location='cpu'))

target_model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
target_model.copy_from(model)

optimizer = optim.Adam(model.parameters(), lr=0.00001)
if USE_CUDA:
    model = model.cuda()
    target_model = target_model.cuda()
    print("Using cuda")

epsilon_start = 1.0
epsilon_final = 0.01
epsilon_decay = 30000
epsilon_by_frame = lambda frame_idx: epsilon_final + (epsilon_start - epsilon_final) * math.exp(-1. * frame_idx / epsilon_decay)
コード例 #7
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batch_size = 32
gamma = 0.99
target_update = 50000
epsilon_start = 1.0
epsilon_final = 0.01
epsilon_decay = 1000000
replay_initial = 10000
learning_rate = 1e-5
train_replay_buffer = ReplayBuffer(100000)
analysis_replay_buffer = ReplayBuffer(100000)

policy_model = QLearner(env, train_num_frames, batch_size, gamma,
                        train_replay_buffer)
target_model = QLearner(env, train_num_frames, batch_size, gamma,
                        train_replay_buffer)
target_model.load_state_dict(policy_model.state_dict())
target_model.eval()

optimizer = optim.Adam(policy_model.parameters(), lr=learning_rate)
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
if USE_CUDA:
    policy_model = policy_model.to(device)
    target_model = target_model.to(device)

epsilon_by_frame = lambda frame_idx: epsilon_final + (
    epsilon_start - epsilon_final) * math.exp(-1. * frame_idx / epsilon_decay)


def play_to_train(num_frames, policy_model, target_model, buffer):
    losses = []
    all_rewards = []
コード例 #8
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from dqn import QLearner, compute_td_loss, ReplayBuffer

env_id = "PongNoFrameskip-v4"
env = make_atari(env_id)
env = wrap_deepmind(env)
env = wrap_pytorch(env)

num_frames = 1000000
batch_size = 32
gamma = 0.99
record_idx = 10000

replay_initial = 10000
replay_buffer = ReplayBuffer(100000)
model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
model.load_state_dict(torch.load("model1.pth", map_location='cpu'))

target_model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
target_model.copy_from(model)

optimizer = optim.Adam(model.parameters(), lr=0.00001)
if USE_CUDA:
    model = model.cuda()
    target_model = target_model.cuda()
    print("Using cuda")

epsilon_start = 1.0
epsilon_final = 0.01
epsilon_decay = 30000
epsilon_by_frame = lambda frame_idx: epsilon_final + (
    epsilon_start - epsilon_final) * math.exp(-1. * frame_idx / epsilon_decay)
コード例 #9
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#num_frames = 20000
batch_size = 32
gamma = 0.99
replay_initial = 10000
replay_buffer = ReplayBuffer(100000)
epsilon_start = 1.0
epsilon_final = 0.01
epsilon_decay = 30000
epsilon_by_frame = lambda frame_idx: epsilon_final + (epsilon_start - epsilon_final) * math.exp(-1. * frame_idx / epsilon_decay)


"""loading the saved model"""
device = torch.device("cuda")
model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
filename = 'newdqnModel.pt'
model.load_state_dict(torch.load(filename))
model.to(device)
model.eval()

"""choosing 1000 frames randomly!"""
frame_range = 50000
frame_list = set(random.sample(range(1, frame_range), 1000))
vis_feature_matrix = []
vis_rewards = []
vis_actions = []

state = env.reset()
indx = 0
episode_reward = 0
for frame_idx in range(0,frame_range):
    #print(frame_idx)
コード例 #10
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env_id = "PongNoFrameskip-v4"
env = make_atari(env_id)
env = wrap_deepmind(env)
env = wrap_pytorch(env)

num_frames = 1000000
batch_size = 32
gamma = 0.99

replay_initial = 10000
replay_buffer = ReplayBuffer(100000)
t_replay_buffer = ReplayBuffer(100000)
model = QLearner(env, num_frames, batch_size, gamma, replay_buffer)
target_model = QLearner(env, num_frames, batch_size, gamma, t_replay_buffer)
target_model.load_state_dict(model.state_dict())

optimizer = optim.Adam(model.parameters(), lr=0.00001)
if USE_CUDA:
    model = model.cuda()
    target_model = target_model.cuda()

epsilon_start = 1.0
epsilon_final = 0.01
epsilon_decay = 30000
epsilon_by_frame = lambda frame_idx: epsilon_final + (
    epsilon_start - epsilon_final) * math.exp(-1. * frame_idx / epsilon_decay)

losses = []
all_rewards = []
episode_reward = 0