def signal_plot() -> None:
"""
:rtype: None
"""
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
writer.line("Signal", SIGNAL, step=0)
def __call__(
self,
*,
iterations: int = 9999,
log_directory: Union[str, Path],
render_frequency: int = 100,
stat_frequency: int = 10,
):
"""
:param num_steps_per_btach:
:param num_updates:
:param iterations:
:param log_directory:
:param render_frequency:
:param stat_frequency:
:param kwargs:
:return:
"""
with torch.no_grad():
with TensorBoardPytorchWriter(log_directory) as metric_writer:
B = tqdm(count(), f"step {0}, {iterations}", leave=False)
for _ in B:
initial_state = self.environment.reset()
self.agent.rollout(initial_state, self.environment)
if self.early_stop:
break
return self.agent.models
def main(train_model_=False):
dataset_loader = DataLoader(DATASET,
batch_size=BATCH_SIZE,
shuffle=True,
**DL_KWARGS)
optimiser = optim.Adam(MODEL.parameters(), lr=LR, betas=(0.9, 0.999))
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "VggFace2" /
"BetaVAE" /
f"{time.time()}") as metric_writer:
for epoch in range(1, EPOCHS + 1):
if train_model_:
train_model(MODEL, optimiser, epoch, metric_writer,
dataset_loader)
if not train_model_:
stest_model(MODEL, epoch, metric_writer, dataset_loader)
with torch.no_grad():
inv_sample = DATASET.inverse_transform(MODEL.sample().view(
CHANNELS, INPUT_SIZE, INPUT_SIZE))
inv_sample.save(str(BASE_PATH /
f"sample_{str(epoch)}.png"))
if ENCODING_SIZE == 2:
from neodroidvision.utilities import plot_manifold
plot_manifold(
MODEL.decoder,
out_path=BASE_PATH / f"manifold_{str(epoch)}.png",
img_w=INPUT_SIZE,
img_h=INPUT_SIZE,
)
def test_invalid_val_type_scalars(tag, val, step):
try:
with TensorBoardPytorchWriter(path=PROJECT_APP_PATH.user_log) as w:
w.scalar(tag, val, step)
assert False
except Exception as e:
assert True
def module_param_histograms():
""" """
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
input_f = 4
n_classes = 10
num_updates = 20
model = torch.nn.Sequential(
torch.nn.Linear(input_f, 20),
torch.nn.ReLU(),
torch.nn.Linear(20, n_classes),
torch.nn.LogSoftmax(-1),
)
for i in range(num_updates):
normal_init(model, 0.2 * float((i - num_updates * 0.5)**2),
1 / (i + 1))
weight_bias_histograms(writer, model, step=i, prefix="normal")
xavier_init(model)
weight_bias_histograms(writer, model, step=i, prefix="xavier")
constant_init(model, i)
weight_bias_histograms(writer,
model,
step=i,
prefix="constant")
fan_in_init(model)
weight_bias_histograms(writer, model, step=i, prefix="fan_in")
def test_precision_recall(tag, val, truth, step):
try:
with TensorBoardPytorchWriter(path=PROJECT_APP_PATH.user_log) as w:
w.precision_recall_curve(tag, val, truth, step)
assert False
except Exception as e:
print(e)
assert True
def fft_plot() -> None:
"""
:rtype: None
"""
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
spectral = numpy.fft.fft(SIGNAL, NFFT)
writer.line("FFT", spectral, title="Frequency", step=0)
def cepstral_plot():
""" """
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
fig = pyplot.figure()
stft = librosa.core.stft(SIGNAL, n_fft=NFFT, hop_length=STEP_SIZE)
specshow(stft, sr=SAMPLING_RATE, x_axis="time")
pyplot.colorbar()
writer.figure("STFT_Rosa", fig, step=0)
def spectral_plot():
""" """
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
writer.spectrogram("STFT",
SIGNAL,
int(1 / DELTA),
step=0,
n_fft=NFFT,
step_size=STEP_SIZE)
def main():
"""
"""
data_dir = Path.home() / "Data" / "mnist_png"
train_batch_size = 64
train_number_epochs = 100
save_path = PROJECT_APP_PATH.user_data / "models"
model_name = "pair_siamese_mnist"
load_prev = True
train = False
img_size = (28, 28)
model = PairRankingSiamese(img_size).to(global_torch_device())
optimiser = optim.Adam(model.parameters(), lr=3e-4)
if train:
if load_prev:
model, optimer = load_model_parameters(
model,
optimiser=optimiser,
model_name=model_name,
model_directory=save_path,
)
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log /
model_name /
str(time.time())) as writer:
# with CaptureEarlyStop() as _:
with suppress(KeyboardInterrupt):
model = train_siamese(
model,
optimiser,
nn.BCELoss().to(global_torch_device()),
train_number_epochs=train_number_epochs,
data_dir=data_dir,
train_batch_size=train_batch_size,
model_name=model_name,
save_path=save_path,
writer=writer,
img_size=img_size,
)
save_model_parameters(
model,
optimiser=optimiser,
model_name=f"{model_name}",
save_directory=save_path,
)
else:
model = load_model_parameters(model,
model_name=model_name,
model_directory=save_path)
print("loaded best val")
stest_many_versus_many2(model, data_dir, img_size)
def mel_cepstral_plot():
""" """
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
fig = pyplot.figure()
mfccs = librosa.feature.mfcc(SIGNAL,
sr=SAMPLING_RATE,
n_mfcc=20,
n_fft=NFFT,
hop_length=STEP_SIZE)
specshow(mfccs, sr=SAMPLING_RATE, x_axis="time")
pyplot.colorbar()
writer.figure("MFCC_Rosa", fig, step=0)
def main():
""" """
data_dir = Path.home() / "Data" / "mnist_png"
train_batch_size = 64
train_number_epochs = 100
save_path = PROJECT_APP_PATH.user_data / "models"
model_name = "triplet_siamese_mnist"
load_prev = True
train = False
img_size = (28, 28)
model = NLetConvNet(img_size).to(global_torch_device())
optimiser = optim.Adam(model.parameters(), lr=3e-4)
if train:
if load_prev:
model, optimiser = load_model_parameters(
model,
optimiser=optimiser,
model_name=model_name,
model_directory=save_path,
)
with TensorBoardPytorchWriter():
# from draugr.stopping import CaptureEarlyStop
# with CaptureEarlyStop() as _:
with IgnoreInterruptSignal():
model = train_siamese(
model,
optimiser,
TripletMarginLoss().to(global_torch_device()),
train_number_epochs=train_number_epochs,
data_dir=data_dir,
train_batch_size=train_batch_size,
model_name=model_name,
save_path=save_path,
img_size=img_size,
)
save_model_parameters(
model,
optimiser=optimiser,
model_name=f"{model_name}",
save_directory=save_path,
)
else:
model = load_model_parameters(model,
model_name=model_name,
model_directory=save_path)
print("loaded best val")
stest_many_versus_many(model, data_dir, img_size)
def spectral_plot_scipy() -> None:
"""
:rtype: None
"""
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
writer.spectrogram(
"STFT_Scipy",
SIGNAL,
int(1 / DELTA),
step=0,
n_fft=NFFT,
step_size=STEP_SIZE,
)
def stest_cma_es_cartpole():
"""Test CMAES with Cartpole-v1 environment."""
with LocalTFRunner(snapshot_config) as runner:
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log /
"CMA") as writer:
env = GarageEnv(env_name="CartPole-v1")
algo = CovarianceMatrixAdaptationEvolutionStrategyAgent(
env_spec=env.spec, max_rollout_length=100)
algo.build()
runner.setup(algo, env, sampler_cls=LocalSampler)
runner.train(n_epochs=1, batch_size=1000)
env.close()
def main(*, EPOCHS=1000, training=False, continue_t=True):
if continue_t:
try:
_list_of_files = list(
BASE_PATH.rglob(f"*{MODEL_CHECKPOINT_SUFFIX}"))
latest_model_path = str(
max(_list_of_files, key=os.path.getctime))
print(f"loading previous model: {latest_model_path}")
if latest_model_path is not None:
MODEL.load_state_dict(torch.load(latest_model_path))
except:
pass
dataset_loader = DataLoader(DATASET,
batch_size=BATCH_SIZE,
shuffle=True,
**DL_KWARGS)
optimiser = optim.Adam(MODEL.parameters(), lr=LR, betas=(0.9, 0.999))
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / name /
f"{time.time()}") as metric_writer:
for ith_epoch in range(1, EPOCHS + 1):
if training:
train_model(MODEL, optimiser, ith_epoch, metric_writer,
dataset_loader)
if max_frequency("test_model", 100):
stest_model(MODEL, ith_epoch, metric_writer,
dataset_loader)
if max_frequency("sample_i", 100):
with torch.no_grad():
inv_sample = inverse_transform(MODEL.sample().view(
CHANNELS, INPUT_SIZE, INPUT_SIZE))
inv_sample.save(
str(BASE_PATH / f"sample_{str(ith_epoch)}.png"))
if ENCODING_SIZE == 2:
from neodroidvision.utilities import plot_manifold
plot_manifold(
MODEL.decoder,
out_path=BASE_PATH /
f"manifold_{str(ith_epoch)}.png",
img_w=INPUT_SIZE,
img_h=INPUT_SIZE,
)
def a():
""" """
from draugr.torch_utilities import TensorBoardPytorchWriter
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
input_f = 4
n_classes = 10
model = torch.nn.Sequential(
torch.nn.Linear(input_f, 20),
torch.nn.ReLU(),
torch.nn.Linear(20, n_classes),
torch.nn.LogSoftmax(-1),
)
weight_bias_histograms(writer, model)
def baa():
""" """
from draugr.torch_utilities import TensorBoardPytorchWriter
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
input_f = 4
n_classes = 10
model = torch.nn.Sequential(
torch.nn.Linear(input_f, 20),
torch.nn.ReLU(),
torch.nn.Linear(20, n_classes),
torch.nn.LogSoftmax(-1),
)
for id in range(2):
for i in range(3):
writer.parameters(model, i, tag=f"m{id}")
def main() -> None:
"""
:rtype: None
"""
import gym
env = gym.make("Pendulum-v0")
state = env.reset()
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
frames = []
done = False
start = time.time()
while not done:
frames.append(env.render("rgb_array"))
state, reward, done, info = env.step(env.action_space.sample())
fps = len(frames) / (time.time() - start)
env.close()
video_array = numpy.array(frames)
writer.video(
"replay05",
nhwc_to_nchw_tensor(to_tensor(video_array)).unsqueeze(0),
frame_rate=fps,
)
writer.video(
"replay06",
video_array,
0,
input_dims=VideoInputDimsEnum.thwc,
frame_rate=fps,
)
writer.video(
"replay08",
numpy.stack([video_array, video_array]),
0,
input_dims=VideoInputDimsEnum.nthwc,
frame_rate=fps,
)
def main():
"""
TODO:!!!!"""
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "Tests" /
"Writers") as writer:
vertices_tensor = torch.as_tensor(
[
[1, 1, 1],
[-1, -1, 1],
[1, -1, -1],
[-1, 1, -1],
],
dtype=torch.float,
).unsqueeze(0)
colors_tensor = torch.as_tensor(
[
[255, 0, 0],
[0, 255, 0],
[0, 0, 255],
[255, 0, 255],
],
dtype=torch.int,
).unsqueeze(0)
faces_tensor = torch.as_tensor(
[
[0, 2, 3],
[0, 3, 1],
[0, 1, 2],
[1, 3, 2],
],
dtype=torch.int,
).unsqueeze(0)
writer.mesh("my_mesh",
vertices_tensor,
colors=colors_tensor,
faces=faces_tensor)
def main():
"""
ds = [datasets.MNIST(PROJECT_APP_PATH.user_data,
train=True,
download=True,
transform=transforms.ToTensor()), datasets.MNIST(PROJECT_APP_PATH.user_data,
train=False,
transform=transforms.ToTensor())]
"""
dataset_loader = DataLoader(DATASET,
batch_size=BATCH_SIZE,
shuffle=True,
**DL_KWARGS)
optimiser = optim.Adam(MODEL.parameters(), lr=LR, betas=(0.9, 0.999))
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log / "VggFace2" /
"BetaVAE" /
f"{time.time()}") as metric_writer:
for epoch in range(1, EPOCHS + 1):
train_model(MODEL, optimiser, epoch, metric_writer,
dataset_loader)
test_model(MODEL, epoch, metric_writer, dataset_loader)
with torch.no_grad():
a = MODEL.sample().view(CHANNELS, INPUT_SIZE, INPUT_SIZE)
A = DATASET.inverse_transform(a)
A.save(str(BASE_PATH / f"sample_{str(epoch)}.png"))
if ENCODING_SIZE == 2:
plot_manifold(
MODEL,
out_path=str(BASE_PATH /
f"manifold_{str(epoch)}.png"),
img_w=INPUT_SIZE,
img_h=INPUT_SIZE,
)
def main_worker(gpu, ngpus_per_node, config):
global CONFIG, best_acc1
CONFIG, best_acc1 = config, 0
train_set = config.dataset_type(CONFIG.dataset_path, Split.Training)
val_set = config.dataset_type(CONFIG.dataset_path, Split.Validation)
if CONFIG.distributed:
if CONFIG.dist_url == "env://" and CONFIG.rank == -1:
CONFIG.rank = int(os.environ["RANK"])
if CONFIG.multiprocessing_distributed:
CONFIG.rank = CONFIG.rank * ngpus_per_node + gpu
distributed.init_process_group(
backend=CONFIG.dist_backend,
init_method=CONFIG.dist_url,
world_size=CONFIG.world_size,
rank=CONFIG.rank,
)
model = make_san(
self_attention_type=SelfAttentionTypeEnum(CONFIG.self_attention_type),
layers=CONFIG.layers,
kernels=CONFIG.kernels,
num_classes=train_set.response_shape[0],
)
criterion = nn.CrossEntropyLoss(ignore_index=CONFIG.ignore_label)
optimizer = torch.optim.SGD(
model.parameters(),
lr=CONFIG.base_lr,
momentum=CONFIG.momentum,
weight_decay=CONFIG.weight_decay,
)
if CONFIG.scheduler == "step":
scheduler = lr_scheduler.MultiStepLR(optimizer,
milestones=CONFIG.step_epochs,
gamma=0.1)
elif CONFIG.scheduler == "cosine":
scheduler = lr_scheduler.CosineAnnealingLR(optimizer,
T_max=CONFIG.epochs)
if is_main_process():
global logger, writer
logger = get_logger()
writer = TensorBoardPytorchWriter(str(CONFIG.save_path))
logger.info(CONFIG)
logger.info("=> creating model ...")
logger.info(f"Classes: {train_set.response_shape[0]}")
logger.info(model)
if CONFIG.distributed:
torch.cuda.set_device(gpu)
CONFIG.batch_size = int(CONFIG.batch_size / ngpus_per_node)
CONFIG.batch_size_val = int(CONFIG.batch_size_val / ngpus_per_node)
CONFIG.workers = int(
(CONFIG.workers + ngpus_per_node - 1) / ngpus_per_node)
model = torch.nn.parallel.DistributedDataParallel(model.cuda(),
device_ids=[gpu])
else:
model = torch.nn.DataParallel(model.cuda())
if CONFIG.weight:
if os.path.isfile(CONFIG.weight):
if is_main_process():
global logger
logger.info(f"=> loading weight '{CONFIG.weight}'")
checkpoint = torch.load(CONFIG.weight)
model.load_state_dict(checkpoint["state_dict"])
if is_main_process():
global logger
logger.info(f"=> loaded weight '{CONFIG.weight}'")
else:
if is_main_process():
global logger
logger.info(f"=> no weight found at '{CONFIG.weight}'")
if CONFIG.resume:
if os.path.isfile(CONFIG.resume):
if is_main_process():
global logger
logger.info(f"=> loading checkpoint '{CONFIG.resume}'")
checkpoint = torch.load(
CONFIG.resume,
map_location=lambda storage, loc: storage.cuda(gpu))
CONFIG.start_epoch = checkpoint["epoch"]
best_acc1 = checkpoint["top1_val"]
model.load_state_dict(checkpoint["state_dict"])
optimizer.load_state_dict(checkpoint["optimizer"])
scheduler.load_state_dict(checkpoint["scheduler"])
if is_main_process():
global logger
logger.info(
f"=> loaded checkpoint '{CONFIG.resume}' (epoch {checkpoint['epoch']})"
)
else:
if is_main_process():
global logger
logger.info(f"=> no checkpoint found at '{CONFIG.resume}'")
if CONFIG.distributed:
train_sampler = torch.utils.data.distributed.DistributedSampler(
train_set)
val_sampler = torch.utils.data.distributed.DistributedSampler(val_set)
else:
train_sampler = None
val_sampler = None
train_loader = torch.utils.data.DataLoader(
train_set,
batch_size=CONFIG.batch_size,
shuffle=(train_sampler is None),
num_workers=CONFIG.workers,
pin_memory=True,
sampler=train_sampler,
)
val_loader = torch.utils.data.DataLoader(
val_set,
batch_size=CONFIG.batch_size_val,
shuffle=False,
num_workers=CONFIG.workers,
pin_memory=True,
sampler=val_sampler,
)
for epoch in range(CONFIG.start_epoch, CONFIG.epochs):
if CONFIG.distributed:
train_sampler.set_epoch(epoch)
(
loss_train,
mIoU_train,
mAcc_train,
allAcc_train,
top1_train,
top5_train,
) = train(train_loader, model, criterion, optimizer, epoch)
loss_val, mIoU_val, mAcc_val, allAcc_val, top1_val, top5_val = validate(
val_loader, model, criterion)
scheduler.step()
epoch_log = epoch + 1
if is_main_process():
global writer
writer.scalar("loss_train", loss_train, epoch_log)
writer.scalar("mIoU_train", mIoU_train, epoch_log)
writer.scalar("mAcc_train", mAcc_train, epoch_log)
writer.scalar("allAcc_train", allAcc_train, epoch_log)
writer.scalar("top1_train", top1_train, epoch_log)
writer.scalar("top5_train", top5_train, epoch_log)
writer.scalar("loss_val", loss_val, epoch_log)
writer.scalar("mIoU_val", mIoU_val, epoch_log)
writer.scalar("mAcc_val", mAcc_val, epoch_log)
writer.scalar("allAcc_val", allAcc_val, epoch_log)
writer.scalar("top1_val", top1_val, epoch_log)
writer.scalar("top5_val", top5_val, epoch_log)
if (epoch_log % CONFIG.save_freq == 0) and is_main_process():
filename = CONFIG.save_path / "train_epoch_" + str(
epoch_log) + ".pth"
global logger
logger.info("Saving checkpoint to: " + filename)
torch.save(
{
"epoch": epoch_log,
"state_dict": model.state_dict(),
"optimizer": optimizer.state_dict(),
"scheduler": scheduler.state_dict(),
"top1_val": top1_val,
"top5_val": top5_val,
},
filename,
)
if top1_val > best_acc1:
best_acc1 = top1_val
shutil.copyfile(filename, CONFIG.save_path / "model_best.pth")
if epoch_log / CONFIG.save_freq > 2:
deletename = (
CONFIG.save_path /
f"train_epoch_{str(epoch_log - CONFIG.save_freq * 2)}.pth")
os.remove(deletename)
def main():
args = argparse.ArgumentParser()
args.add_argument("--inference", "-i", action="store_true")
args.add_argument("--continue_training", "-c", action="store_true")
args.add_argument("--real_data", "-r", action="store_true")
args.add_argument("--no_cuda", "-k", action="store_false")
args.add_argument("--export", "-e", action="store_true")
options = args.parse_args()
train_model = True
timeas = str(time.time())
this_model_path = PROJECT_APP_PATH.user_data / timeas
this_log = PROJECT_APP_PATH.user_log / timeas
ensure_directory_exist(this_model_path)
ensure_directory_exist(this_log)
best_model_name = "best_validation_model.model"
interrupted_path = str(this_model_path / best_model_name)
torch.manual_seed(seed)
if not options.no_cuda:
global_torch_device("cpu")
dataset = MNISTDataset2(PROJECT_APP_PATH.user_cache / "mnist", split=Split.Training)
train_iter = iter(
recycle(
DataLoader(dataset, batch_size=batch_size, shuffle=True, pin_memory=True)
)
)
val_iter = iter(
recycle(
DataLoader(
MNISTDataset2(
PROJECT_APP_PATH.user_cache / "mnist", split=Split.Validation
),
batch_size=batch_size,
shuffle=True,
pin_memory=True,
)
)
)
model, params_to_update = squeezenet_retrain(len(dataset.categories))
print(params_to_update)
model = model.to(global_torch_device())
if options.continue_training:
_list_of_files = list(PROJECT_APP_PATH.user_data.rglob("*.model"))
latest_model_path = str(max(_list_of_files, key=os.path.getctime))
print(f"loading previous model: {latest_model_path}")
if latest_model_path is not None:
model.load_state_dict(torch.load(latest_model_path))
criterion = torch.nn.CrossEntropyLoss().to(global_torch_device())
optimizer_ft = optim.SGD(
model.parameters(), lr=learning_rate, momentum=momentum, weight_decay=wd
)
exp_lr_scheduler = torch.optim.lr_scheduler.StepLR(
optimizer_ft, step_size=7, gamma=0.1
)
writer = TensorBoardPytorchWriter(this_log)
if train_model:
model = predictor_response_train_model(
model,
train_iterator=train_iter,
criterion=criterion,
optimizer=optimizer_ft,
scheduler=exp_lr_scheduler,
writer=writer,
interrupted_path=interrupted_path,
val_data_iterator=val_iter,
num_updates=NUM_UPDATES,
)
inputs, true_label = next(train_iter)
inputs = to_tensor(inputs, dtype=torch.float, device=global_torch_device()).repeat(
1, 3, 1, 1
)
true_label = to_tensor(true_label, dtype=torch.long, device=global_torch_device())
pred = model(inputs)
predicted = torch.argmax(pred, -1)
true_label = to_tensor(true_label, dtype=torch.long)
print(predicted, true_label)
horizontal_imshow(
inputs, [f"p:{int(p)},t:{int(t)}" for p, t in zip(predicted, true_label)]
)
pyplot.show()
writer.close()
torch_clean_up()
def main():
""" """
mnist_l = torchvision.datasets.MNIST(
PROJECT_APP_PATH.user_cache / "data",
train=True,
download=True,
transform=torchvision.transforms.ToTensor(),
# target_transform=to_one_hot
)
mnist = torch.utils.data.DataLoader(mnist_l,
batch_size=len(mnist_l.data),
shuffle=True)
z_dim = 10
X_dim = 28 * 28
h_dim = 128
cnt = 0
lr = 1e-4
n_critics = 3
lam1, lam2 = 100, 100
num_samples = 4
Generator1 = torch.nn.Sequential(
torch.nn.Linear(X_dim + z_dim, h_dim),
torch.nn.ReLU(),
torch.nn.Linear(h_dim, X_dim),
torch.nn.Sigmoid(),
)
Generator2 = torch.nn.Sequential(
torch.nn.Linear(X_dim + z_dim, h_dim),
torch.nn.ReLU(),
torch.nn.Linear(h_dim, X_dim),
torch.nn.Sigmoid(),
)
Discriminator1 = torch.nn.Sequential(torch.nn.Linear(X_dim, h_dim),
torch.nn.ReLU(),
torch.nn.Linear(h_dim, 1))
Discriminator2 = torch.nn.Sequential(torch.nn.Linear(X_dim, h_dim),
torch.nn.ReLU(),
torch.nn.Linear(h_dim, 1))
Generators_solver = optim.RMSprop(chain(Generator1.parameters(),
Generator2.parameters()),
lr=lr)
Discriminator1_solver = optim.RMSprop(Discriminator1.parameters(), lr=lr)
Discriminator2_solver = optim.RMSprop(Discriminator2.parameters(), lr=lr)
X_train = next(iter(mnist))[0]
half = int(X_train.shape[0] / 2)
X_train1 = X_train[:half]
X_train2: torch.Tensor = X_train[half:]
X_train2 = X_train2.rot90(dims=(2, 3))
X_train1 = X_train1.reshape(-1, 28 * 28)
X_train2 = X_train2.reshape(-1, 28 * 28)
del X_train # Cleanup
with TensorBoardPytorchWriter(PROJECT_APP_PATH.user_log /
str(time.time())) as writer:
for it in range(1000000):
for _ in range(n_critics):
# Sample data
z1 = Variable(torch.randn(BATCH_SIZE, z_dim))
z2 = Variable(torch.randn(BATCH_SIZE, z_dim))
X1 = sample_x(X_train1, BATCH_SIZE)
X2 = sample_x(X_train2, BATCH_SIZE)
# D1
X2_sample = Generator1(torch.cat([X1, z1], -1)) # G1: X1 -> X2
D1_real = Discriminator1(X2)
D1_fake = Discriminator1(X2_sample)
D1_loss = -(torch.mean(D1_real) - torch.mean(D1_fake))
D1_loss.backward(retain_graph=True)
Discriminator1_solver.step()
for p in Discriminator1.parameters(): # Weight clipping
p.data.clamp_(-0.01, 0.01)
reset_grads(
[Generator1, Generator2, Discriminator1, Discriminator2])
# D2
X1_sample = Generator2(torch.cat([X2, z2], -1)) # G2: X2 -> X1
D2_real = Discriminator2(X1)
D2_fake = Discriminator2(X1_sample)
D2_loss = -(torch.mean(D2_real) - torch.mean(D2_fake))
D2_loss.backward()
Discriminator2_solver.step()
for p in Discriminator2.parameters(): # Weight clipping
p.data.clamp_(-0.01, 0.01)
reset_grads(
[Generator1, Generator2, Discriminator1, Discriminator2])
# Generator
z1 = Variable(torch.randn(BATCH_SIZE, z_dim))
z2 = Variable(torch.randn(BATCH_SIZE, z_dim))
X1 = sample_x(X_train1, BATCH_SIZE)
X2 = sample_x(X_train2, BATCH_SIZE)
X1_sample = Generator2(torch.cat([X2, z2], 1))
X2_sample = Generator1(torch.cat([X1, z1], 1))
X1_recon = Generator2(torch.cat([X2_sample, z2], 1))
X2_recon = Generator1(torch.cat([X1_sample, z1], 1))
D1_fake = Discriminator1(X1_sample)
D2_fake = Discriminator2(X2_sample)
G_loss = -torch.mean(D1_fake) - torch.mean(D2_fake)
reg1 = lam1 * torch.mean(torch.sum(torch.abs(X1_recon - X1), 1))
reg2 = lam2 * torch.mean(torch.sum(torch.abs(X2_recon - X2), 1))
G_loss += reg1 + reg2
G_loss.backward()
Generators_solver.step()
reset_grads(
[Generator1, Generator2, Discriminator1, Discriminator2])
if it % 1000 == 0:
print(f"Iter-{it};"
f" D_loss: {D1_loss.item() + D2_loss.item():.4};"
f" G_loss: {G_loss.item():.4}")
real1: torch.Tensor = X1.data[:num_samples]
real2: torch.Tensor = X2.data[:num_samples]
samples1: torch.Tensor = X1_sample.data[:num_samples]
samples2: torch.Tensor = X2_sample.data[:num_samples]
real1 = real1.view(-1, 1, 28, 28)
real2 = real2.view(-1, 1, 28, 28)
samples1 = samples1.view(-1, 1, 28, 28)
samples2 = samples2.view(-1, 1, 28, 28)
real_generate_samples = torch.cat(
[real2, samples1, real1, samples2])
grid = torchvision.utils.make_grid(real_generate_samples,
nrow=4).unsqueeze(0)
writer.image(f"Samples", data=grid, step=it, cmap="Greys_r")
cnt += 1
def main():
""" """
args = argparse.ArgumentParser()
args.add_argument("--inference", "-i", action="store_true")
args.add_argument("--continue_training", "-c", action="store_true")
args.add_argument("--no_cuda", "-k", action="store_false")
args.add_argument("--export", "-e", action="store_true")
options = args.parse_args()
timeas = str(time.time())
this_model_path = PROJECT_APP_PATH.user_data / timeas
this_log = PROJECT_APP_PATH.user_log / timeas
ensure_directory_exist(this_model_path)
ensure_directory_exist(this_log)
best_model_name = "best_validation_model.model"
interrupted_path = str(this_model_path / best_model_name)
torch.manual_seed(seed)
if not options.no_cuda:
global_torch_device("cpu")
with MixedObservationWrapper() as env:
env.seed(seed)
train_iter = batch_generator(iter(env), batch_size)
num_categories = env.sensor("Class").space.discrete_steps
test_iter = train_iter
model, params_to_update = squeezenet_retrain(num_categories)
print(params_to_update)
model = model.to(global_torch_device())
if options.continue_training:
_list_of_files = list(PROJECT_APP_PATH.user_data.rglob("*.model"))
latest_model_path = str(max(_list_of_files, key=os.path.getctime))
print(f"loading previous model: {latest_model_path}")
if latest_model_path is not None:
model.load_state_dict(torch.load(latest_model_path))
criterion = torch.nn.CrossEntropyLoss().to(global_torch_device())
optimiser_ft = optim.SGD(model.parameters(),
lr=learning_rate,
momentum=momentum,
weight_decay=wd)
exp_lr_scheduler = torch.optim.lr_scheduler.StepLR(optimiser_ft,
step_size=7,
gamma=0.1)
with TensorBoardPytorchWriter(this_log) as writer:
if True:
model = pred_target_train_model(
model,
train_iter,
criterion,
optimiser_ft,
exp_lr_scheduler,
writer,
interrupted_path,
test_data_iterator=test_iter,
num_updates=num_updates,
)
inputs, true_label = zip(*next(train_iter))
rgb_imgs = torch_vision_normalize_batch_nchw(
uint_nhwc_to_nchw_float_batch(
rgb_drop_alpha_batch_nhwc(to_tensor(inputs))))
predicted = torch.argmax(model(rgb_imgs), -1)
true_label = to_tensor(true_label, dtype=torch.long)
print(predicted, true_label)
horizontal_imshow(
inputs,
[
f"p:{int(p)},t:{int(t)}"
for p, t in zip(predicted, true_label)
],
)
pyplot.show()
torch.cuda.empty_cache()
if options.export:
with TorchEvalSession(model):
example = torch.rand(1, 3, 256, 256)
traced_script_module = torch.jit.trace(model.to("cpu"), example)
traced_script_module.save("resnet18_v.model")
def main(train_model=True, continue_training=True, no_cuda=False):
""" """
timeas = str(time.time())
this_model_path = PROJECT_APP_PATH.user_data / timeas
this_log = PROJECT_APP_PATH.user_log / timeas
ensure_directory_exist(this_model_path)
ensure_directory_exist(this_log)
best_model_name = "best_validation_model.model"
interrupted_path = str(this_model_path / best_model_name)
torch.manual_seed(seed)
if no_cuda:
global_torch_device("cpu")
dataset = MNISTDataset2(PROJECT_APP_PATH.user_cache / "mnist",
split=SplitEnum.training)
train_iter = iter(
recycle(
DataLoader(dataset,
batch_size=batch_size,
shuffle=True,
pin_memory=True)))
val_iter = iter(
recycle(
DataLoader(
MNISTDataset2(PROJECT_APP_PATH.user_cache / "mnist",
split=SplitEnum.validation),
batch_size=batch_size,
shuffle=True,
pin_memory=global_pin_memory(0),
)))
model, params_to_update = squeezenet_retrain(len(dataset.categories),
train_only_last_layer=True)
# print(params_to_update)
model = model.to(global_torch_device())
if continue_training:
_list_of_files = list(PROJECT_APP_PATH.user_data.rglob("*.model"))
latest_model_path = str(max(_list_of_files, key=os.path.getctime))
print(f"loading previous model: {latest_model_path}")
if latest_model_path is not None:
model.load_state_dict(torch.load(latest_model_path))
criterion = torch.nn.CrossEntropyLoss().to(global_torch_device())
optimiser_ft = optim.SGD(model.parameters(),
lr=learning_rate,
momentum=momentum,
weight_decay=wd)
exp_lr_scheduler = torch.optim.lr_scheduler.StepLR(optimiser_ft,
step_size=7,
gamma=0.1)
with TensorBoardPytorchWriter(this_log) as writer:
if train_model:
model = predictor_response_train_model(
model,
train_iterator=train_iter,
criterion=criterion,
optimiser=optimiser_ft,
scheduler=exp_lr_scheduler,
writer=writer,
interrupted_path=interrupted_path,
val_data_iterator=val_iter,
num_updates=NUM_UPDATES,
)
inputs, true_label = next(val_iter)
inputs = to_tensor(inputs,
dtype=torch.float,
device=global_torch_device()).repeat(1, 3, 1, 1)
true_label = to_tensor(true_label,
dtype=torch.long,
device=global_torch_device())
pred = model(inputs)
predicted = torch.argmax(pred, -1)
true_label = to_tensor(true_label, dtype=torch.long)
# print(predicted, true_label)
horizontal_imshow(
[to_pil_image(i) for i in inputs],
[f"p:{int(p)},t:{int(t)}" for p, t in zip(predicted, true_label)],
num_columns=64 // 8,
)
pyplot.show()
torch_clean_up()
def main():
dataset_root = Path.home() / "Data"
base_path = ensure_existence(PROJECT_APP_PATH.user_data / 'maskrcnn')
log_path = ensure_existence(PROJECT_APP_PATH.user_log / 'maskrcnn')
export_root = ensure_existence(base_path / 'models')
model_name = f'maskrcnn_pennfudanped'
batch_size = 4
num_epochs = 10
optimiser_spec = GDKC(torch.optim.Adam, lr=3e-4)
scheduler_spec = GDKC(
torch.optim.lr_scheduler.
StepLR, # a learning rate scheduler which decreases the learning rate by
step_size=3, # 10x every 3 epochs
gamma=0.1,
)
num_workers = os.cpu_count()
torch_seed(3825)
dataset = PennFudanDataset(dataset_root / "PennFudanPed",
Split.Training,
return_variant=ReturnVariant.all)
dataset_validation = PennFudanDataset(
dataset_root / "PennFudanPed",
Split.Validation,
return_variant=ReturnVariant.all,
)
split = SplitIndexer(len(dataset), validation=0.3, testing=0)
split_indices = torch.randperm(split.total_num).tolist()
data_loader = DataLoader(
Subset(dataset, split_indices[:-split.validation_num]),
batch_size=batch_size,
shuffle=True,
num_workers=num_workers,
collate_fn=collate_batch_fn,
)
data_loader_val = DataLoader(
Subset(dataset_validation, split_indices[-split.validation_num:]),
batch_size=1,
shuffle=False,
num_workers=num_workers,
collate_fn=collate_batch_fn,
)
model = get_pretrained_instance_segmentation_maskrcnn(
dataset.response_channels)
optimiser = optimiser_spec(trainable_parameters(model))
lr_scheduler = scheduler_spec(optimiser)
if True:
model = load_model(model_name=model_name,
model_directory=export_root)
if True:
with TorchTrainSession(model):
with TensorBoardPytorchWriter(log_path / model_name) as writer:
for epoch_i in tqdm(range(num_epochs), desc="Epoch #"):
maskrcnn_train_single_epoch(model=model,
optimiser=optimiser,
data_loader=data_loader,
writer=writer)
lr_scheduler.step() # update the learning rate
maskrcnn_evaluate(
model, data_loader_val, writer=writer
) # evaluate on the validation dataset
save_model(model,
model_name=model_name,
save_directory=export_root)
if True:
with TorchEvalSession(model): # put the model in evaluation mode
img, _ = dataset_validation[
0] # pick one image from the test set
with torch.no_grad():
prediction = model([img.to(global_torch_device())])
from matplotlib import pyplot
pyplot.imshow(
Image.fromarray(
img.mul(255).permute(1, 2, 0).byte().numpy()))
pyplot.show()
import cv2
pyplot.imshow(
Image.fromarray(prediction[0]["masks"][0, 0].mul(
255).byte().cpu().numpy()))
pyplot.show()
(boxes, labels, scores) = (
prediction[0]["boxes"].to('cpu').numpy(),
prediction[0]["labels"].to('cpu').numpy(),
torch.sigmoid(prediction[0]["scores"]).to('cpu').numpy(),
)
from draugr.opencv_utilities import draw_bounding_boxes
from draugr.torch_utilities.images.conversion import quick_to_pil_image
indices = scores > 0.1
cv2.namedWindow(model_name, cv2.WINDOW_NORMAL)
cv2.imshow(
model_name,
draw_bounding_boxes(
quick_to_pil_image(img),
boxes[indices],
labels=labels[indices],
scores=scores[indices],
#categories=categories,
))
cv2.waitKey()
def train_mnist(load_earlier=False, train=True, denoise: bool = True):
"""
:param load_earlier:
:type load_earlier:
:param train:
:type train:"""
seed = 251645
batch_size = 32
tqdm.monitor_interval = 0
learning_rate = 3e-3
lr_sch_step_size = int(10e4 // batch_size)
lr_sch_gamma = 0.1
unet_depth = 3
unet_start_channels = 16
input_channels = 1
output_channels = (input_channels,)
home_path = PROJECT_APP_PATH
model_file_ending = ".model"
model_base_path = ensure_existence(PROJECT_APP_PATH.user_data / "unet_mnist")
interrupted_name = "INTERRUPTED_BEST"
interrupted_path = model_base_path / f"{interrupted_name}{model_file_ending}"
torch.manual_seed(seed)
device = global_torch_device()
img_transform = transforms.Compose(
[
transforms.ToTensor(),
MinMaxNorm(),
transforms.Lambda(lambda tensor: torch.round(tensor)),
# transforms.RandomErasing()
]
)
dataset = MNIST(
PROJECT_APP_PATH.user_data / "mnist", transform=img_transform, download=True
)
data_iter = iter(
cycle(DataLoader(dataset, batch_size=batch_size, shuffle=True, pin_memory=True))
)
data_iter = to_device_iterator(data_iter, device)
model = SkipHourglassFission(
input_channels=input_channels,
output_heads=output_channels,
encoding_depth=unet_depth,
start_channels=unet_start_channels,
).to(global_torch_device())
optimiser_ft = optim.Adam(model.parameters(), lr=learning_rate)
exp_lr_scheduler = optim.lr_scheduler.StepLR(
optimiser_ft, step_size=lr_sch_step_size, gamma=lr_sch_gamma
)
if load_earlier:
_list_of_files = list(
model_base_path.rglob(f"{interrupted_name}{model_file_ending}")
)
if not len(_list_of_files):
print(
f"found no trained models under {model_base_path}{os.path.sep}**{os.path.sep}{interrupted_name}{model_file_ending}"
)
exit(1)
latest_model_path = str(max(_list_of_files, key=os.path.getctime))
print(f"loading previous model: {latest_model_path}")
if latest_model_path is not None:
model.load_state_dict(torch.load(latest_model_path))
if train:
with TensorBoardPytorchWriter(home_path.user_log / str(time.time())) as writer:
model = training(
model,
data_iter,
optimiser_ft,
exp_lr_scheduler,
writer,
interrupted_path,
denoise=denoise,
)
torch.save(
model.state_dict(),
model_base_path / f"unet_mnist_final{model_file_ending}",
)
else:
inference(model, data_iter, denoise=denoise)
torch.cuda.empty_cache()
def main(
agent: TorchAgent,
environment: NeodroidCurriculumWrapper,
*,
log_directory: Union[str, Path],
rollouts: int = 1000,
render_frequency: int = 100,
stat_frequency: int = 10,
disable_stdout: bool = False,
full_state_evaluation_frequency=20,
**kwargs,
) -> TR:
assert isinstance(environment, NeodroidCurriculumWrapper)
with torch.autograd.detect_anomaly():
with TensorBoardPytorchWriter(str(log_directory)) as metric_writer:
_episode_i = 0
_step_i = 0
random_motion_length = C.RANDOM_MOTION_HORIZON
training_start_timestamp = time.time()
initial_configuration = get_initial_configuration_from_goal(
environment)
print("Generating initial state from goal configuration")
S_prev = environment.generate_trajectory_from_configuration(
initial_configuration,
random_motion_length,
random_process=_random_process,
)
train_session = range(1, rollouts + 1)
train_session = tqdm(train_session, leave=False, disable=False)
for i in train_session:
if not environment.is_connected:
break
S_initial = []
S_candidate = []
reached_dead_end = True
if i % full_state_evaluation_frequency == 0:
print("Estimating entire state space")
estimate_entire_state_space(
environment,
agent,
C,
# statistics=None,
save_snapshot=save_snapshot,
)
num_candidates = tqdm(range(1, C.CANDIDATE_SET_SIZE + 1),
leave=False,
disable=False)
for c in num_candidates:
if _plot_stats:
# draugr.terminal_plot_stats_shared_x(stats, printer=train_session.write)
train_session.set_description(
f"Steps: {_step_i:9.0f}"
# f' | Ent: {stats.entropies.calc_moving_average():.2f}'
)
num_candidates.set_description(
f"Candidate #{c} of {C.CANDIDATE_SET_SIZE} | "
f"FP: {reached_dead_end} | "
f"L: {random_motion_length} | "
f"S_i: {len(S_initial)}")
seed = sample(S_prev)
S_candidate.extend(
environment.generate_trajectory_from_state(
seed,
random_motion_length,
random_process=_random_process))
candidate = sample(S_candidate)
est, _episode_i, _step_i = estimate_initial_state_expected_return(
candidate,
environment,
agent,
C,
save_snapshot=save_snapshot,
# statistics=stats,
train=True,
)
if C.LOW <= est <= C.HIGH:
S_initial.append(candidate)
random_motion_length = C.RANDOM_MOTION_HORIZON
reached_dead_end = False
elif _keep_seed_if_not_replaced:
S_initial.append(seed)
display_actor_configurations(environment, S_candidate)
if reached_dead_end:
print("Reached dead end")
print("Generating initial state from goal configuration")
S_initial = environment.generate_trajectory_from_configuration(
initial_configuration,
random_motion_length,
random_process=_random_process,
)
random_motion_length += 1
S_prev = S_initial
time_elapsed = time.time() - training_start_timestamp
message = (
f"Time elapsed: {time_elapsed // 60:.0f}m {time_elapsed % 60:.0f}s"
)
print(f'\n{"-" * 9} {message} {"-" * 9}\n')
agent.save(C)
save_snapshot()
def main():
args = argparse.ArgumentParser()
args.add_argument("-i", action="store_false")
options = args.parse_args()
seed = 42
batch_size = 8 # 12
depth = 4 # 5
segmentation_channels = 3
tqdm.monitor_interval = 0
learning_rate = 3e-3
lr_sch_step_size = int(1000 // batch_size) + 4
lr_sch_gamma = 0.1
model_start_channels = 16
home_path = Path.home() / "Models" / "Vision"
base_path = home_path / str(time.time())
best_model_path = "INTERRUPTED_BEST.pth"
interrupted_path = str(base_path / best_model_path)
writer = TensorBoardPytorchWriter(str(base_path))
env = CameraObservationWrapper()
torch.manual_seed(seed)
env.seed(seed)
device = global_torch_device()
aeu_model = SkipHourglassFission(
segmentation_channels,
(segmentation_channels,),
encoding_depth=depth,
start_channels=model_start_channels,
)
aeu_model = aeu_model.to(global_torch_device())
optimizer_ft = optim.Adam(aeu_model.parameters(), lr=learning_rate)
exp_lr_scheduler = lr_scheduler.StepLR(
optimizer_ft, step_size=lr_sch_step_size, gamma=lr_sch_gamma
)
data_iter = iter(neodroid_camera_data_iterator(env, device, batch_size))
if options.i:
trained_aeu_model = train_model(
aeu_model,
data_iter,
optimizer_ft,
exp_lr_scheduler,
writer,
interrupted_path,
)
test_model(trained_aeu_model, data_iter)
else:
_list_of_files = list(home_path.glob("*"))
latest_model_path = (
str(max(_list_of_files, key=os.path.getctime)) + f"/{best_model_path}"
)
print("loading previous model: " + latest_model_path)
test_model(aeu_model, data_iter, load_path=latest_model_path)
torch.cuda.empty_cache()
env.close()
writer.close()
def test_valid_scalars(tag, val, step):
with TensorBoardPytorchWriter(path=PROJECT_APP_PATH.user_log) as w:
w.scalar(tag, val, step)