def trainval(exp_dict):
pprint.pprint(exp_dict)
savedir_base = os.path.join('tmp', hu.hash_dict(exp_dict))
os.makedirs(savedir_base, exist_ok=True)
# -- get scenes
source_scene = scenes.get_scene(exp_dict['source_scene'])
target_scene = scenes.get_scene(exp_dict['target_scene'])
# -- get model
model = models.get_model(exp_dict['model'], source_scene, exp_dict)
# -- train for E iterations
score_list = []
for e in range(500):
# update parameters and get new score_dict
score_dict = model.train_on_batch(target_scene)
score_dict["epoch"] = e
score_dict["step_size"] = model.opt.state['step_size']
# Add to score_list and save checkpoint
score_list += [score_dict]
# Print
score_df = pd.DataFrame(score_list)
print("\n", score_df.tail(), "\n")
# Visualize
if e % 50 == 0:
model.vis_on_batch(target_scene,
fname=os.path.join(savedir_base,
'output_%d.png' % e))
save_gif(src_path=os.path.join(savedir_base, '*.png'),
tgt_fname=s.path.join(savedir_base, 'animation.gif'))
def get_hydra_model(self):
pyfunc_model = self.get_pyfunc_model()
model_path = pyfunc_model._model_impl.context.artifacts["model"]
model_name = self.run.data.params["model"]
hydra_model = get_model(model_name)(self.configs)
hydra_model.model = load_processor(model_path)
return hydra_model
def main(
log_dir,
model_type,
vocab_size,
emb_size,
batch_size,
epochs,
maxlen,
min_acc,
num_samples,
oov_token,
):
_create_dir_if_not_exist(log_dir)
(str_X_train, y_train), (str_X_val, y_val), (str_X_test,
y_test) = get_data()
test_samples = np.random.choice(str_X_test, num_samples)
preprocessor = Preprocessor(maxlen=maxlen,
vocab_size=vocab_size,
oov_token=oov_token)
preprocessor.fit_on_texts(str_X_train + str_X_val + str_X_test)
X_train = preprocessor.transform(str_X_train)
X_val = preprocessor.transform(str_X_val)
X_test = preprocessor.transform(str_X_test)
# Define model
model = get_model(model_type, maxlen, vocab_size, emb_size)
model.compile(loss="binary_crossentropy",
optimizer="adam",
metrics=["accuracy"])
model.fit(
X_train,
y_train,
validation_data=(X_val, y_val),
batch_size=batch_size,
epochs=epochs,
)
score = model.evaluate(X_test, y_test, verbose=0)
print("Test accuracy:", score[1])
assert score[
1] > min_acc, f"score doesnt meet the minimum threshold {min_acc}"
test_requests = _generate_test_requests(model, preprocessor, test_samples)
_save_json(join(log_dir, "test_requests.json"), test_requests)
preprocessor.save(join(log_dir, "preprocessor.pkl"))
# HACK
# For some reason savedModel format is not working with `lstm` model
if model_type == "lstm":
model.save(join(log_dir, "model.h5"))
else:
model.save(join(log_dir, "saved_model/model"))
def tune_hyperparams(cfg):
from src.storm_utils import StormIndexAccessor, StormAccessor
data_cfg = utils.get_data_cfg(cfg)
features_cfg = utils.get_features_cfg(cfg)
inputs_dir = Path(to_absolute_path(features_cfg.hydra.run.dir))
paths = features_cfg.outputs
use_mlflow = OmegaConf.select(cfg, "mlflow", default=False)
if use_mlflow:
import mlflow
run = setup_mlflow(cfg, features_cfg=features_cfg, data_cfg=data_cfg)
cv_method = cfg.cv.method
cv_init_params = cfg.cv.params
# Model specific parameters
model_name = cfg.model
metrics = cfg.metrics
# seed = cfg.seed
# Compute lagged features if they haven't been computed yet
if any(not (inputs_dir / path).exists() for path in paths.values()):
inputs_dir.mkdir(parents=True, exist_ok=True)
cwd = os.getcwd()
os.chdir(inputs_dir)
lagged_features_cfg = features_cfg.copy()
with open_dict(lagged_features_cfg):
_ = lagged_features_cfg.pop("hydra")
compute_lagged_features(lagged_features_cfg)
os.chdir(cwd)
X_train = load_processed_data("X_train", inputs_dir=inputs_dir, paths=paths)
y_train = load_processed_data("y_train", inputs_dir=inputs_dir, paths=paths)
logger.info(f"Getting CV split for '{cv_method}' method...")
cv = get_cv_split(y_train, cv_method, **cv_init_params)
model = get_model(model_name)(cfg, cv=cv, metrics=metrics, mlflow=use_mlflow)
cv_score = model.cv_score(X_train, y_train)
logger.info(f"CV score: {cv_score}")
if use_mlflow:
mlflow.log_metric(model.cv_metric, cv_score)
mlflow.log_params(model.params)
model.save_output()
# utils.save_output(model, cfg.outputs.hydra_model)
if use_mlflow:
mlflow.end_run()
return cv_score
def train(args):
"""model compile and learning"""
(X_train, y_train), (X_test, y_test) = _get_datasets()
model = get_model(args)
optimizer = _get_optimizer(args)
X_train, X_test = X_train[:, :, :, None], X_test[:, :, :, None]
model.compile(optimizer=optimizer,
loss='sparse_categorical_crossentropy',
metrics=['accuracy'])
model.fit(X_train, y_train, batch_size=args.batch_size, epochs=args.epochs, verbose=1)
model.evaluate(X_test, y_test, batch_size=args.test_batch_size, verbose=1)
if args.job_dir.startswith('gs://'):
model.save(CENSUS_MODEL)
copy_file_to_gcs(args.job_dir, CENSUS_MODEL)
else:
model.save(os.path.join(args.job_dir, CENSUS_MODEL))
return model
def main(config_path: Path, dataset_path: Path) -> Union[Tuple[Path], Path]:
"""
Main function responsible for training classification model.
Arguments:
Path config_path: Path to main config (of :class:`DefaultConfig` class)
Path dataset_path: Path to dataset
Returns:
Tuple containing path to the experiment root dirrectory
and path to the saved model directory.
"""
config = load_variable("config", config_path)
model = models.get_model(config)
train = config.training
setup(train_config=train, logger=logger)
train_loader, val_loader, test_loader = DataLoader.get_loaders(
path_to_data=dataset_path, config=config)
model.set_example(train_loader)
learner = trainer.Trainer(config=config)
learner.summary(model)
learner.fit(model, train_loader, val_loader)
if train.test and train.save:
learner.test(test_dataloaders=test_loader)
if train.save:
results = SimpleNamespace(
root=learner.root_dir,
model_path=Path(learner.checkpoint_callback.best_model_path),
val_loader=val_loader,
test_loader=test_loader,
)
return results
else:
return SimpleNamespace(root=learner.root_dir)
def train(self, x_train, y_train, config, model_path):
""" Trains the number classifier.
:param x_train (np.array) - images
:param y_train (np.array) - labels as hot encodings
:param config (Configuration) - configuration
:param model_path (str) - path of the model folder where to save the models
"""
# Get model
self._model = get_model(config)
# Checkpoint to save the models at each epoch
checkpoint = ModelCheckpoint(os.path.join(model_path,
"model_{epoch:05d}.h5"),
monitor="val_loss",
verbose=0,
save_best_only=False,
mode='min')
best_checkpoint = ModelCheckpoint(os.path.join(model_path,
"best_model.h5"),
monitor="val_loss",
verbose=0,
save_best_only=True,
mode='min')
# Train the model
self._model_history = self._model.fit(
x_train,
y_train,
batch_size=config.batch_size,
epochs=config.nb_epochs,
validation_split=config.validation_split,
shuffle=config.shuffle,
callbacks=[checkpoint, best_checkpoint])
# Plot history
self._plot_history(model_path, config.model_name)
def __init__(self, config, datasets):
self.config = config
self.datasets = datasets
self.mode = config["mode"]
training_config = config["training"]
self.epochs = training_config["epochs"]
self.print_iter = training_config["print_iter"]
self.save_epoch = training_config["save_epoch"]
model_func = get_model(config["model"]["type"])
self.model = model_func(
**config[config["model"]["type"]]
)
lr = scheduler.CosineAnnealingScheduler(
training_config["init_learning_rate"],
training_config["epochs"]
)
self.optimizer = optimizers.Adam(lr, **config["optimizer"])
self.bce_w = training_config["bce_loss_weight"]
self.dice_w = training_config["dice_loss_weight"]
self.bce = losses.BinaryCrossEntropyLoss()
self.dice = losses.DiceLoss()
self.train_bce = metrics.Mean()
self.train_dice = metrics.Mean()
self.train_iou = metrics.MeanIoU(num_classes=2)
if config["mode"] == "train":
self.valid_datasets = DataLoader(
"valid", **config["dataset"]
)
self.test_bce = metrics.Mean()
self.test_dice = metrics.Mean()
self.test_iou = metrics.MeanIoU(num_classes=2)
self.get_ckpt_manager(config["save_path"])
for i, (trn_idx, val_idx) in enumerate(splitter.split(df, y=y)):
if i not in global_params["folds"]:
continue
logger.info("=" * 20)
logger.info(f"Fold {i}")
logger.info("=" * 20)
trn_df = df.loc[trn_idx, :].reset_index(drop=True)
val_df = df.loc[val_idx, :].reset_index(drop=True)
loaders = {
phase: C.get_loader(df_, datadir, config, phase,
event_level_labels)
for df_, phase in zip([trn_df, val_df], ["train", "valid"])
}
model = models.get_model(config).to(device)
criterion = C.get_criterion(config).to(device)
optimizer = C.get_optimizer(model, config)
scheduler = C.get_scheduler(optimizer, config)
ema_model = AveragedModel(
model,
avg_fn=lambda averaged_model_parameter, model_parameter,
num_averaged: 0.1 * averaged_model_parameter + 0.9 *
model_parameter)
(output_dir / f"fold{i}").mkdir(exist_ok=True, parents=True)
train(model=model,
ema_model=ema_model,
dataloaders=loaders,
def trainval(exp_dict, savedir_base, datadir, reset=False, num_workers=0):
# bookkeepting stuff
# ==================
savedir = os.path.join(savedir_base, hu.hash_dict(exp_dict))
os.makedirs(savedir, exist_ok=True)
if reset:
hc.delete_and_backup_experiment(savedir)
print("Experiment saved in %s" % savedir)
# Dataset
# ==================
# train set
data_transform = A.Compose(
[
A.Flip(p=0.3),
A.IAAAffine(p=0.3),
A.Rotate(p=0.3),
A.HueSaturationValue(hue_shift_limit=10,
sat_shift_limit=15,
val_shift_limit=10,
p=0.3),
A.GaussianBlur(3, p=0.3),
A.GaussNoise(30, p=0.3)
],
keypoint_params=A.KeypointParams(format='xy'),
additional_targets={
'mask0': 'mask',
'mask1': 'mask',
'mask2': 'mask',
'keypoints0': 'keypoints',
'keypoints1': 'keypoints',
'keypoints2': 'keypoints',
'keypoints3': 'keypoints',
'keypoints4': 'keypoints',
'keypoints5': 'keypoints'
})
# random.seed(20201009)
random_seed = random.randint(0, 20201009)
train_set = HEDataset_Fast(data_dir=datadir,
n_classes=exp_dict["n_classes"],
transform=data_transform,
option="Train",
random_seed=random_seed,
obj_option=exp_dict["obj"],
patch_size=exp_dict["patch_size"],
bkg_option=exp_dict["bkg"])
test_transform = A.Compose([A.Resize(1024, 1024)],
keypoint_params=A.KeypointParams(format='xy'),
additional_targets={
'mask0': 'mask',
'mask1': 'mask'
})
# val set
val_set = HEDataset(data_dir=datadir,
transform=test_transform,
option="Validation")
val_loader = DataLoader(val_set, batch_size=1, num_workers=num_workers)
# test set
test_set = HEDataset(data_dir=datadir,
transform=test_transform,
option="Test")
test_loader = DataLoader(test_set, batch_size=1, num_workers=num_workers)
# Model
# ==================
# torch.manual_seed(20201009)
model = models.get_model(exp_dict['model'],
exp_dict=exp_dict,
train_set=train_set).cuda()
model_path = os.path.join(savedir, "model.pth")
score_list_path = os.path.join(savedir, "score_list.pkl")
if os.path.exists(score_list_path):
# resume experiment
model.load_state_dict(hu.torch_load(model_path))
score_list = hu.load_pkl(score_list_path)
s_epoch = score_list[-1]['epoch'] + 1
else:
# restart experiment
score_list = []
s_epoch = 0
# Train & Val
# ==================
print("Starting experiment at epoch %d" % (s_epoch))
# train_sampler = torch.utils.data.RandomSampler(
# train_set, replacement=True, num_samples=2*len(val_set))
train_loader = DataLoader(train_set,
batch_size=exp_dict["batch_size"],
shuffle=True,
num_workers=num_workers)
for e in range(s_epoch, exp_dict['max_epoch']):
# Validate only at the start of each cycle
score_dict = {}
# Train the model
train_dict = model.train_on_loader(train_loader)
# Validate and Visualize the model
val_dict = model.val_on_loader(val_loader,
savedir_images=os.path.join(
savedir, "images"),
n_images=7)
score_dict.update(val_dict)
# Get new score_dict
score_dict.update(train_dict)
score_dict["epoch"] = len(score_list)
# Add to score_list and save checkpoint
score_list += [score_dict]
# Report & Save
score_df = pd.DataFrame(score_list)
print("\n", score_df.tail(), "\n")
hu.torch_save(model_path, model.get_state_dict())
hu.save_pkl(score_list_path, score_list)
print("Checkpoint Saved: %s" % savedir)
# Save Best Checkpoint
if e == 0 or (score_dict.get("val_score", 0) >
score_df["val_score"][:-1].fillna(0).max()):
hu.save_pkl(os.path.join(savedir, "score_list_best.pkl"),
score_list)
hu.torch_save(os.path.join(savedir, "model_best.pth"),
model.get_state_dict())
print("Saved Best: %s" % savedir)
# if s_epoch==exp_dict['max_epoch']:
# e = s_epoch
model.load_state_dict(
hu.torch_load(os.path.join(savedir, "model_best.pth")))
test_dict = model.test_on_loader(test_loader)
hu.save_pkl(os.path.join(savedir, 'test_iou.pkl'), test_dict)
print('Test IoU:{}'.format(test_dict["test_iou"]))
print('Experiment completed et epoch %d' % e)
def trainval(exp_dict, savedir, args):
"""
exp_dict: dictionary defining the hyperparameters of the experiment
savedir: the directory where the experiment will be saved
args: arguments passed through the command line
"""
# set seed
# ==================
seed = 42
np.random.seed(seed)
torch.manual_seed(seed)
if args.use_cuda:
device = 'cuda'
torch.cuda.manual_seed_all(seed)
assert torch.cuda.is_available(
), 'cuda is not, available please run with "-c 0"'
else:
device = 'cpu'
print('Running on device: %s' % device)
# Dataset
# Load val set and train set
val_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
split="val",
transform=exp_dict.get("transform"),
datadir=args.datadir)
train_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
split="train",
transform=exp_dict.get("transform"),
datadir=args.datadir)
# Load train loader, val loader, and vis loader
train_loader = DataLoader(train_set,
sampler=RandomSampler(
train_set,
replacement=True,
num_samples=max(min(500, len(train_set)),
len(val_set))),
batch_size=exp_dict["batch_size"])
val_loader = DataLoader(val_set,
shuffle=False,
batch_size=exp_dict["batch_size"])
vis_loader = DataLoader(val_set,
sampler=ut.SubsetSampler(train_set,
indices=[0, 1, 2]),
batch_size=1)
# Create model, opt, wrapper
model_original = models.get_model(exp_dict["model"],
exp_dict=exp_dict).cuda()
opt = torch.optim.Adam(model_original.parameters(),
lr=1e-5,
weight_decay=0.0005)
model = wrappers.get_wrapper(exp_dict["wrapper"],
model=model_original,
opt=opt).cuda()
score_list = []
# Checkpointing
# =============
score_list_path = os.path.join(savedir, "score_list.pkl")
model_path = os.path.join(savedir, "model_state_dict.pth")
opt_path = os.path.join(savedir, "opt_state_dict.pth")
if os.path.exists(score_list_path):
# resume experiment
score_list = hu.load_pkl(score_list_path)
model.load_state_dict(torch.load(model_path))
opt.load_state_dict(torch.load(opt_path))
s_epoch = score_list[-1]["epoch"] + 1
else:
# restart experiment
score_list = []
s_epoch = 0
# Run training and validation
for epoch in range(s_epoch, exp_dict["max_epoch"]):
score_dict = {"epoch": epoch}
# visualize
model.vis_on_loader(vis_loader,
savedir=os.path.join(savedir, "images"))
# validate
score_dict.update(model.val_on_loader(val_loader))
# train
score_dict.update(model.train_on_loader(train_loader))
# Add score_dict to score_list
score_list += [score_dict]
# Report and save
print(pd.DataFrame(score_list).tail())
hu.save_pkl(score_list_path, score_list)
hu.torch_save(model_path, model.state_dict())
hu.torch_save(opt_path, opt.state_dict())
print("Saved in %s" % savedir)
def train(cfg):
from src.storm_utils import StormIndexAccessor, StormAccessor
# # Get data configs/overrides
# data_overrides = utils.parse_data_overrides(cfg)
# data_cfg = compose(
# config_name="process_data", return_hydra_config=True, overrides=data_overrides,
# )
# # Get features configs/overrides
# features_overrides = utils.parse_processed_data_overrides(cfg)
# features_overrides.extend(utils.parse_override(cfg.lagged_features))
# features_cfg = compose(
# config_name="compute_lagged_features",
# return_hydra_config=True,
# overrides=features_overrides,
# )
# Model specific parameters
model_name = cfg.model
metrics = cfg.metrics
pred_path = OmegaConf.select(cfg.outputs,
"predictions",
default="ypred.pkl")
# seed = cfg.seed
data_cfg = utils.get_data_cfg(cfg)
features_cfg = utils.get_features_cfg(cfg)
processed_data_dir = Path(to_absolute_path(data_cfg.hydra.run.dir))
inputs_dir = Path(to_absolute_path(features_cfg.hydra.run.dir))
paths = features_cfg.outputs
# Setup mlflow
use_mlflow = OmegaConf.select(cfg, "mlflow", default=False)
if use_mlflow:
import mlflow
run = setup_mlflow(cfg, features_cfg=features_cfg, data_cfg=data_cfg)
update_tuned_hyperparams(cfg, features_cfg)
# Compute lagged features if they haven't been computed yet
if any(not (inputs_dir / path).exists() for path in paths.values()):
inputs_dir.mkdir(parents=True, exist_ok=True)
cwd = os.getcwd()
os.chdir(inputs_dir)
lagged_features_cfg = features_cfg.copy()
with open_dict(lagged_features_cfg):
_ = lagged_features_cfg.pop("hydra")
compute_lagged_features(lagged_features_cfg)
os.chdir(cwd)
# General parameters
# load_kwargs = cfg.load
# processed_data_dir = Path(to_absolute_path(cfg.processed_data_dir))
target_pipeline_path = cfg.target_pipeline
inverse_transform = cfg.inverse_transform
cv_method = cfg.cv.method
cv_init_params = cfg.cv.params
# lag = cfg.lag
# exog_lag = cfg.exog_lag
# lead = cfg.lead
logger.info("Loading training data and computing lagged features...")
# # HACK: Compute lagged features if they haven't been computed yet.
# inputs_dir = Path(to_absolute_path(load_kwargs.inputs_dir))
# paths = [inputs_dir / path for path in load_kwargs.paths.values()]
# if any(not path.exists() for path in paths):
# # if not inputs_dir.exists():
# compute_lagged_features(lag, exog_lag, lead, inputs_dir)
X_train = load_processed_data("X_train",
inputs_dir=inputs_dir,
paths=paths)
y_train = load_processed_data("y_train",
inputs_dir=inputs_dir,
paths=paths)
X_test = load_processed_data("X_test", inputs_dir=inputs_dir, paths=paths)
y_test = load_processed_data("y_test", inputs_dir=inputs_dir, paths=paths)
feature_names = load_processed_data("features_names",
inputs_dir=inputs_dir,
paths=paths)
# QUESTION: Log everything at end cleaner?
if use_mlflow:
n_train_obs, n_features = X_train.shape
n_test_obs, _ = y_test.shape
mlflow.log_params({
"n_train_obs": n_train_obs,
"n_test_obs": n_test_obs,
"n_features": n_features,
})
logger.info(f"Getting CV split for '{cv_method}' method...")
cv = get_cv_split(y_train, cv_method, **cv_init_params)
# QUESTION: Do we still need CV here?
###########################################################################
# Fit and evaluate model
###########################################################################
logger.info(f"Fitting model {model_name}...")
model = get_model(model_name)(cfg,
cv=cv,
metrics=metrics,
mlflow=use_mlflow)
model.fit(X_train, y_train, feature_names=feature_names)
# TODO: Make this more general. It currently only applies to xgboost
# QUESTION: compute CV score in score method?
# score = model.cv_score(X_train, y_train)
model.save_output()
###########################################################################
# Compute/save predictions on test set
###########################################################################
logger.info("Computing predictions...")
ypred = model.predict(X_test)
ypred = convert_pred_to_pd(ypred, y_test)
if inverse_transform:
y_test, ypred = inv_transform_targets(
y_test,
ypred,
path=target_pipeline_path,
processor_dir=processed_data_dir,
)
logger.info("Saving predictions...")
utils.save_output(ypred, pred_path)
if use_mlflow:
mlflow.log_artifact(pred_path)
# XXX: TEMPORARY
if hasattr(model, "compute_shap_values"):
shap_values = model.compute_shap_values(X_test)
shap_values.to_pickle("shap_values.pkl")
if use_mlflow:
mlflow.log_artifact("shap_values.pkl")
###########################################################################
# Compute and log test metrics
###########################################################################
if use_mlflow:
test_score = compute_metrics(y_test, ypred, metrics=metrics)
if isinstance(metrics, (list, tuple)):
if len(metrics) > 1:
for metric in metrics:
mlflow.log_metrics({metric: test_score[metric]})
else:
mlflow.log_metrics({metrics: test_score})
##########################################################################
# Plot predictions on test set
##########################################################################
# Plot predictions
plot_kwargs = OmegaConf.to_container(cfg.plot, resolve=True)
fig, ax = model.plot(
X_test,
y_test,
lead=features_cfg.lead,
unit=features_cfg.lag_processor.unit,
**plot_kwargs,
)
plt.close()
# if isinstance(fig, list):
# for f in fig:
# f.close()
# elif isinstance(fig, dict):
# for f in fig.values():
# f.close()
# else:
# fig.close()
if use_mlflow:
mlflow.end_run()
def newminimum(exp_id,
savedir_base,
datadir,
name,
exp_dict,
metrics_flag=True):
# bookkeeping
# ---------------
# get experiment directory
old_modeldir = os.path.join(savedir_base, exp_id)
savedir = os.path.join(savedir_base, exp_id, name)
old_exp_dict = hu.load_json(os.path.join(old_modeldir, 'exp_dict.json'))
# TODO: compare exp dict for possible errors:
# optimizer have to be the same
# same network, dataset
# create folder and save the experiment dictionary
os.makedirs(savedir, exist_ok=True)
hu.save_json(os.path.join(savedir, 'exp_dict.json'), exp_dict)
pprint.pprint(exp_dict)
print('Experiment saved in %s' % savedir)
# set seed
# ---------------
seed = 42 + exp_dict['runs']
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
# Dataset
# -----------
# Load Train Dataset
train_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
train_flag=True,
datadir=datadir,
exp_dict=exp_dict)
train_loader = torch.utils.data.DataLoader(
train_set,
drop_last=True,
shuffle=True,
batch_size=exp_dict["batch_size"])
# Load Val Dataset
val_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
train_flag=False,
datadir=datadir,
exp_dict=exp_dict)
# Model
# -----------
model = models.get_model(exp_dict["model"], train_set=train_set)
# Choose loss and metric function
loss_function = metrics.get_metric_function(exp_dict["loss_func"])
# Load Optimizer
n_batches_per_epoch = len(train_set) / float(exp_dict["batch_size"])
opt = optimizers.get_optimizer(opt=exp_dict["opt"],
params=model.parameters(),
n_batches_per_epoch=n_batches_per_epoch)
# Checkpoint
# -----------
model_path = os.path.join(savedir, 'model.pth')
score_list_path = os.path.join(savedir, 'score_list.pkl')
opt_path = os.path.join(savedir, 'opt_state_dict.pth')
old_model_path = os.path.join(old_modeldir, 'model.pth')
old_score_list_path = os.path.join(old_modeldir, 'score_list.pkl')
old_opt_path = os.path.join(old_modeldir, 'opt_state_dict.pth')
score_list = hu.load_pkl(old_score_list_path)
model.load_state_dict(torch.load(old_model_path))
opt.load_state_dict(torch.load(old_opt_path))
s_epoch = score_list[-1]['epoch'] + 1
# save current model state for comparison
minimum = []
for param in model.parameters():
minimum.append(param.clone())
# Train & Val
# ------------
print('Starting experiment at epoch %d/%d' %
(s_epoch, exp_dict['max_epoch']))
for epoch in range(s_epoch, exp_dict['max_epoch']):
# Set seed
np.random.seed(exp_dict['runs'] + epoch)
torch.manual_seed(exp_dict['runs'] + epoch)
# torch.cuda.manual_seed_all(exp_dict['runs']+epoch) not needed since no cuda available
score_dict = {"epoch": epoch}
if metrics_flag:
# 1. Compute train loss over train set
score_dict["train_loss"] = metrics.compute_metric_on_dataset(
model, train_set, metric_name='softmax_loss')
# metric_name=exp_dict["loss_func"])
# TODO: which loss should be used? (normal or with reguralizer?)
# 2. Compute val acc over val set
score_dict["val_acc"] = metrics.compute_metric_on_dataset(
model, val_set, metric_name=exp_dict["acc_func"])
# 3. Train over train loader
model.train()
print("%d - Training model with %s..." %
(epoch, exp_dict["loss_func"]))
s_time = time.time()
for images, labels in tqdm.tqdm(train_loader):
# images, labels = images.cuda(), labels.cuda() no cuda available
opt.zero_grad()
loss = loss_function(model, images, labels, minimum,
0.1) # just works for custom loss function
loss.backward()
opt.step()
e_time = time.time()
# Record metrics
score_dict["step_size"] = opt.state["step_size"]
score_dict["n_forwards"] = opt.state["n_forwards"]
score_dict["n_backwards"] = opt.state["n_backwards"]
score_dict["batch_size"] = train_loader.batch_size
score_dict["train_epoch_time"] = e_time - s_time
score_list += [score_dict]
# Report and save
print(pd.DataFrame(score_list).tail())
hu.save_pkl(score_list_path, score_list)
hu.torch_save(model_path, model.state_dict())
hu.torch_save(opt_path, opt.state_dict())
print("Saved: %s" % savedir)
with torch.nograd():
print('Current distance: %f',
metrics.computedistance(minimum, model))
print('Experiment completed')
test_set = datasets.get_dataset(
dataset_dict=exp_dict["dataset"],
split='test',
datadir=datadir,
exp_dict=exp_dict,
dataset_size=exp_dict['dataset_size'])
test_loader = DataLoader(test_set,
batch_size=1,
collate_fn=ut.collate_fn,
num_workers=0)
pprint.pprint(exp_dict)
# Model
# ==================
model = models.get_model(model_dict=exp_dict['model'],
exp_dict=exp_dict,
train_set=train_set).cuda()
model_path = os.path.join(savedir_base, hash_id, 'model_best.pth')
# load best model
model.load_state_dict(hu.torch_load(model_path))
# loop over the val_loader and saves image
# get counts
habitats = []
for i, batch in enumerate(test_loader):
habitat = batch['meta'][0]['habitat']
habitats += [habitat]
habitats = np.array(habitats)
val_dict = {}
val_root = args.val_root
attack_name = args.attack_name
print(f"Generate {attack_name} for {model_name}")
total_file_num = 0
for folder in sorted(os.listdir(val_root)):
for file in os.listdir(os.path.join(val_root, folder)):
total_file_num += 1
if not os.path.exists(f"./adv_example/{attack_name}/{model_name}"):
os.makedirs(f"./adv_example/{attack_name}/{model_name}")
mapping_folder_to_name, mapping_folder_to_label, mapping_name_to_label, mapping_label_to_name = get_mapping_dict(
)
model = get_model(model_name)
model.load_state_dict(torch.load(f"./models/{model_name}.pth"))
model.to(device)
criterion = nn.CrossEntropyLoss()
file_num = 0
success_num = 0
error_num = 0
for folder in sorted(os.listdir(val_root)):
if not os.path.exists(
f"./adv_example/{attack_name}/{model_name}/{folder}"):
os.makedirs(f"./adv_example/{attack_name}/{model_name}/{folder}")
for file in os.listdir(os.path.join(val_root, folder)):
file_num += 1
def trainval(exp_dict, savedir_base, n_workers, test_only, reset=False):
# bookkeeping
# ---------------
# get experiment directory
exp_id = hu.hash_dict(exp_dict)
savedir = os.path.join(savedir_base, exp_id)
if reset:
# delete and backup experiment
hc.delete_experiment(savedir, backup_flag=True)
# create folder and save the experiment dictionary
os.makedirs(savedir, exist_ok=True)
hu.save_json(os.path.join(savedir, 'exp_dict.json'), exp_dict)
pprint.pprint(exp_dict)
print('Experiment saved in %s' % savedir)
# Dataset
# -----------
# train loader
train_loader = datasets.get_loader("train",
exp_dict,
n_workers,
test_only=test_only)
# val loader
val_loader = datasets.get_loader("test",
exp_dict,
n_workers,
test_only=test_only)
# Model
# -----------
model = models.get_model(exp_dict)
# Checkpoint
# -----------
model_path = os.path.join(savedir, 'model.pth')
score_list_path = os.path.join(savedir, 'score_list.pkl')
if os.path.exists(score_list_path):
# resume experiment
model.set_state_dict(hu.torch_load(model_path))
score_list = hu.load_pkl(score_list_path)
s_epoch = score_list[-1]['epoch'] + 1
else:
# restart experiment
score_list = []
s_epoch = 0
# Train & Val
# ------------
print('Starting experiment at epoch %d' % (s_epoch))
for e in range(s_epoch, 10):
score_dict = {}
# Train the model
score_dict.update(model.train_on_loader(train_loader))
# Validate the model
score_dict.update(model.test_on_loader(val_loader))
# Get metrics
# score_dict['train_loss'] = train_dict['train_loss']
# score_dict['val_acc'] = val_dict['val_acc']
score_dict['epoch'] = e
# Add to score_list and save checkpoint
score_list += [score_dict]
# Report & Save
score_df = pd.DataFrame(score_list)
print(score_df.tail())
hu.torch_save(model_path, model.get_state_dict())
hu.save_pkl(score_list_path, score_list)
print('Checkpoint Saved: %s' % savedir)
print('experiment completed')
def trainval(exp_dict, savedir_base, datadir, reset=False, num_workers=0):
# bookkeepting stuff
# ==================
pprint.pprint(exp_dict)
exp_id = hu.hash_dict(exp_dict)
savedir = os.path.join(savedir_base, exp_id)
if reset:
hc.delete_and_backup_experiment(savedir)
os.makedirs(savedir, exist_ok=True)
hu.save_json(os.path.join(savedir, "exp_dict.json"), exp_dict)
print("Experiment saved in %s" % savedir)
# set seed
# ==================
seed = 42
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
# Dataset
# ==================
# train set
train_set = datasets.get_dataset(dataset_dict=exp_dict["dataset"],
split="train",
datadir=datadir,
exp_dict=exp_dict,
dataset_size=exp_dict['dataset_size'])
# val set
val_set = datasets.get_dataset(dataset_dict=exp_dict["dataset"],
split="val",
datadir=datadir,
exp_dict=exp_dict,
dataset_size=exp_dict['dataset_size'])
# test set
test_set = datasets.get_dataset(dataset_dict=exp_dict["dataset"],
split="test",
datadir=datadir,
exp_dict=exp_dict,
dataset_size=exp_dict['dataset_size'])
# val_sampler = torch.utils.data.SequentialSampler(val_set)
val_loader = DataLoader(
val_set,
# sampler=val_sampler,
batch_size=1,
collate_fn=ut.collate_fn,
num_workers=num_workers)
test_loader = DataLoader(
test_set,
# sampler=val_sampler,
batch_size=1,
collate_fn=ut.collate_fn,
num_workers=num_workers)
# Model
# ==================
model = models.get_model(model_dict=exp_dict['model'],
exp_dict=exp_dict,
train_set=train_set).cuda()
# model.opt = optimizers.get_optim(exp_dict['opt'], model)
model_path = os.path.join(savedir, "model.pth")
score_list_path = os.path.join(savedir, "score_list.pkl")
if os.path.exists(score_list_path):
# resume experiment
model.load_state_dict(hu.torch_load(model_path))
score_list = hu.load_pkl(score_list_path)
s_epoch = score_list[-1]['epoch'] + 1
else:
# restart experiment
score_list = []
s_epoch = 0
# Train & Val
# ==================
print("Starting experiment at epoch %d" % (s_epoch))
model.waiting = 0
model.val_score_best = -np.inf
train_sampler = torch.utils.data.RandomSampler(train_set,
replacement=True,
num_samples=2 *
len(test_set))
train_loader = DataLoader(train_set,
sampler=train_sampler,
collate_fn=ut.collate_fn,
batch_size=exp_dict["batch_size"],
drop_last=True,
num_workers=num_workers)
for e in range(s_epoch, exp_dict['max_epoch']):
# Validate only at the start of each cycle
score_dict = {}
test_dict = model.val_on_loader(test_loader,
savedir_images=os.path.join(
savedir, "images"),
n_images=3)
# Train the model
train_dict = model.train_on_loader(train_loader)
# Validate the model
val_dict = model.val_on_loader(val_loader)
score_dict["val_score"] = val_dict["val_score"]
# Get new score_dict
score_dict.update(train_dict)
score_dict["epoch"] = e
score_dict["waiting"] = model.waiting
model.waiting += 1
# Add to score_list and save checkpoint
score_list += [score_dict]
# Save Best Checkpoint
score_df = pd.DataFrame(score_list)
if score_dict["val_score"] >= model.val_score_best:
test_dict = model.val_on_loader(test_loader,
savedir_images=os.path.join(
savedir, "images"),
n_images=3)
score_dict.update(test_dict)
hu.save_pkl(os.path.join(savedir, "score_list_best.pkl"),
score_list)
# score_df.to_csv(os.path.join(savedir, "score_best_df.csv"))
hu.torch_save(os.path.join(savedir, "model_best.pth"),
model.get_state_dict())
model.waiting = 0
model.val_score_best = score_dict["val_score"]
print("Saved Best: %s" % savedir)
# Report & Save
score_df = pd.DataFrame(score_list)
# score_df.to_csv(os.path.join(savedir, "score_df.csv"))
print("\n", score_df.tail(), "\n")
hu.torch_save(model_path, model.get_state_dict())
hu.save_pkl(score_list_path, score_list)
print("Checkpoint Saved: %s" % savedir)
if model.waiting > 100:
break
print('Experiment completed et epoch %d' % e)
class IndividualDrum(Individual):
_count = 0
model = get_model('src/rnn_10_classes.h5') # ("src/weights_rnn.h5")
def __init__(self, parameters, empty=False):
super().__init__(parameters)
IndividualDrum._count += 1
self.ind = IndividualDrum._count
if not empty:
self.generate_seq()
def crossover(self, other):
fc = IndividualDrum(self.parameters, empty=True)
sc = IndividualDrum(self.parameters, empty=True)
fc.sequence = deepcopy(self.sequence)
sc.sequence = deepcopy(other.sequence)
return fc, sc
def mutate(self):
# self.generate_note()
for key in self.sequence:
# self.generate_note()
if random.random() > 1 / len(self.sequence):
if random.random() > 0.5:
if key.bit.timestamp > 0.5:
key.bit.timestamp -= 0.1
else:
if key.bit.timestamp < 7.5:
key.bit.timestamp += 0.1
# if random.random() > 0.5:
# self.sequence.remove(key)
# else:
# self.generate_note()
def create_midi_file(self, file_name=None):
track = 0
channel = 9
tempo = 120 # In BPM
volume = 100 # 0-127, as per the MIDI standard
my_midi = MIDIFile(
1
) # One track, defaults to format 1 (tempo track is created automatically)
my_midi.addTempo(track, 0, tempo)
my_midi.addProgramChange(0, 10, 0, 0)
my_midi.tracks[0].addChannelPressure(0, 4, 0)
repertory = "output/"
if file_name is not None:
file = file_name + ".mid"
else:
file = str(self.ind) + ".mid"
for note in self.sequence:
my_midi.addNote(track, channel, note.bit.pitch, note.bit.timestamp,
note.bit.duration, volume)
with open(repertory + file, "wb") as output_file:
my_midi.writeFile(output_file)
def generate_note(self):
allowed_pitch = [36, 38, 42, 46, 41, 45, 48, 51, 49]
new_note = Note(
sample(allowed_pitch, 1)[0],
round_down(round(uniform(0, 7.75), 2), 0.25), 0.25)
if new_note not in self.sequence:
self.sequence.append(GeneDrum(new_note))
def generate_seq(self):
max_number_of_notes = 100
number_of_notes = randint(20, max_number_of_notes)
for x in range(number_of_notes):
self.generate_note()
self.create_midi_file()
def fitness(self):
# class
repertory = "output/"
file = repertory + str(self.ind) + ".mid"
self.create_midi_file(str(self.ind))
data = get_drum(file)
if type(data) == type(None):
return 0
prediction = self.model.predict(np.stack([data.astype(dtype=float)]))
index_max = np.argmax(prediction)
# pred = [0, 25, 50, 75, 100][index_max]
pred = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10][index_max]
return pred
def fitness_reg(self):
self.create_midi_file()
repertory = "output/"
file = repertory + str(self.ind) + ".mid"
data = get_drum(file)
prediction = self.model.predict(np.stack([data.astype(dtype=float)]))
if prediction:
prediction = prediction[0][0]
return prediction * 100
def overlapped_keys(self, key_to_check, bars):
overlapped = []
for key in bars:
if key_to_check.pitch != key.pitch:
if key_to_check.timestamp <= key.timestamp <= (
key_to_check.timestamp + key_to_check.duration):
overlapped.append(key)
# print("key ", key_to_check, " overlapped by ", key )
return overlapped
def check_collision(self, key_to_check, changed_pitch, bars):
for key in bars:
if (key_to_check.bit.pitch + changed_pitch) == key.bit.pitch:
if key_to_check.bit.timestamp <= key.bit.timestamp <= (
key_to_check.bit.timestamp +
key_to_check.bit.duration):
return False
return True
def __eq__(self, other):
if type(other) != type(self):
return False
for a, b in zip(self.sequence, other.sequence):
if a.bit != b.bit:
return False
return True
def __repr__(self):
# r = f"I: {self.fitness()}"
# for g in self.sequence:
# r += f'\n\t{g.bit}'
r = str(self.ind)
return r
def __hash__(self):
r = 0
for _ in self.sequence:
r += randint(1, 100)
return r
def trainval_svrg(exp_dict, savedir, datadir, metrics_flag=True):
'''
SVRG-specific training and validation loop.
'''
pprint.pprint(exp_dict)
# Load Train Dataset
train_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
train_flag=True,
datadir=datadir,
exp_dict=exp_dict)
train_loader = DataLoader(train_set,
drop_last=False,
shuffle=True,
batch_size=exp_dict["batch_size"])
# Load Val Dataset
val_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
train_flag=False,
datadir=datadir,
exp_dict=exp_dict)
# Load model
model = models.get_model(exp_dict["model"], train_set=train_set).cuda()
# Choose loss and metric function
loss_function = metrics.get_metric_function(exp_dict["loss_func"])
# lookup the learning rate
lr = get_svrg_step_size(exp_dict)
# Load Optimizer
opt = get_svrg_optimizer(model,
loss_function,
train_loader=train_loader,
lr=lr)
# Resume from last saved state_dict
if (not os.path.exists(savedir + "/run_dict.pkl")
or not os.path.exists(savedir + "/score_list.pkl")):
ut.save_pkl(savedir + "/run_dict.pkl", {"running": 1})
score_list = []
s_epoch = 0
else:
score_list = ut.load_pkl(savedir + "/score_list.pkl")
model.load_state_dict(torch.load(savedir + "/model_state_dict.pth"))
opt.load_state_dict(torch.load(savedir + "/opt_state_dict.pth"))
s_epoch = score_list[-1]["epoch"] + 1
for epoch in range(s_epoch, exp_dict["max_epoch"]):
score_dict = {"epoch": epoch}
if metrics_flag:
# 1. Compute train loss over train set
score_dict["train_loss"] = metrics.compute_metric_on_dataset(
model, train_set, metric_name=exp_dict["loss_func"])
# 2. Compute val acc over val set
score_dict["val_acc"] = metrics.compute_metric_on_dataset(
model, val_set, metric_name=exp_dict["acc_func"])
# 3. Train over train loader
model.train()
print("%d - Training model with %s..." %
(epoch, exp_dict["loss_func"]))
s_time = time.time()
for images, labels in tqdm.tqdm(train_loader):
images, labels = images.cuda(), labels.cuda()
opt.zero_grad()
closure = lambda svrg_model: loss_function(
svrg_model, images, labels, backwards=True)
opt.step(closure)
e_time = time.time()
# Record step size and batch size
score_dict["step_size"] = opt.state["step_size"]
score_dict["batch_size"] = train_loader.batch_size
score_dict["train_epoch_time"] = e_time - s_time
# Add score_dict to score_list
score_list += [score_dict]
# Report and save
print(pd.DataFrame(score_list).tail())
ut.save_pkl(savedir + "/score_list.pkl", score_list)
ut.torch_save(savedir + "/model_state_dict.pth", model.state_dict())
ut.torch_save(savedir + "/opt_state_dict.pth", opt.state_dict())
print("Saved: %s" % savedir)
return score_list
def trainval(exp_dict, savedir_base, datadir_base, reset=False):
# bookkeeping stuff
# ==================
pprint.pprint(exp_dict)
exp_id = hu.hash_dict(exp_dict)
savedir = os.path.join(savedir_base, exp_id)
if reset:
hc.delete_and_backup_experiment(savedir)
os.makedirs(savedir, exist_ok=True)
hu.save_json(os.path.join(savedir, "exp_dict.json"), exp_dict)
print("Experiment saved in %s" % savedir)
# Dataset
# ==================
# load train and acrtive set
train_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
split="train",
datadir_base=datadir_base,
exp_dict=exp_dict)
active_set = ActiveLearningDataset(train_set, random_state=42)
# val set
val_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
split="val",
datadir_base=datadir_base,
exp_dict=exp_dict)
val_loader = DataLoader(val_set, batch_size=exp_dict["batch_size"])
# Model
# ==================
model = models.get_model(model_name=exp_dict['model']['name'],
exp_dict=exp_dict).cuda()
model_path = os.path.join(savedir, "model.pth")
score_list_path = os.path.join(savedir, "score_list.pkl")
if os.path.exists(score_list_path):
# resume experiment
model.set_state_dict(hu.torch_load(model_path))
active_set.load_state_dict(
hu.load_pkl(os.path.join(savedir, "active_set.pkl")))
score_list = hu.load_pkl(score_list_path)
inner_s_epoch = score_list[-1]['inner_epoch'] + 1
s_cycle = score_list[-1]['cycle']
else:
# restart experiment
score_list = []
inner_s_epoch = 0
s_cycle = 0
# Train & Val
# ==================
print("Starting experiment at cycle %d epoch %d" %
(s_cycle, inner_s_epoch))
for c in range(s_cycle, exp_dict['max_cycle']):
# Set seed
np.random.seed(c)
torch.manual_seed(c)
torch.cuda.manual_seed_all(c)
if inner_s_epoch == 0:
active_set.label_next_batch(model)
hu.save_pkl(os.path.join(savedir, "active_set.pkl"),
active_set.state_dict())
train_loader = DataLoader(active_set,
sampler=samplers.get_sampler(
exp_dict['sampler']['train'],
active_set),
batch_size=exp_dict["batch_size"])
# Visualize the model
model.vis_on_loader(vis_loader,
savedir=os.path.join(savedir, "images"))
for e in range(inner_s_epoch, exp_dict['max_epoch']):
# Validate only at the start of each cycle
score_dict = {}
if e == 0:
score_dict.update(model.val_on_loader(val_loader))
# Train the model
score_dict.update(model.train_on_loader(train_loader))
# Validate the model
score_dict["epoch"] = len(score_list)
score_dict["inner_epoch"] = e
score_dict["cycle"] = c
score_dict['n_ratio'] = active_set.n_labelled_ratio
score_dict["n_train"] = len(train_loader.dataset)
score_dict["n_pool"] = len(train_loader.dataset.pool)
# Add to score_list and save checkpoint
score_list += [score_dict]
# Report & Save
score_df = pd.DataFrame(score_list)
print("\n", score_df.tail(), "\n")
hu.torch_save(model_path, model.get_state_dict())
hu.save_pkl(score_list_path, score_list)
print("Checkpoint Saved: %s" % savedir)
inner_s_epoch = 0
def trainval(exp_dict,
savedir_base,
reset=False,
num_workers=0,
run_ssl=False):
# bookkeeping
# ---------------
# get experiment directory
exp_id = hu.hash_dict(exp_dict)
savedir = os.path.join(savedir_base, exp_id)
if reset:
# delete and backup experiment
hc.delete_experiment(savedir, backup_flag=True)
# create folder and save the experiment dictionary
os.makedirs(savedir, exist_ok=True)
hu.save_json(os.path.join(savedir, 'exp_dict.json'), exp_dict)
pprint.pprint(exp_dict)
print('Experiment saved in %s' % savedir)
# load datasets
# ==========================
train_set = datasets.get_dataset(
dataset_name=exp_dict["dataset_train"],
data_root=exp_dict["dataset_train_root"],
split="train",
transform=exp_dict["transform_train"],
classes=exp_dict["classes_train"],
support_size=exp_dict["support_size_train"],
query_size=exp_dict["query_size_train"],
n_iters=exp_dict["train_iters"],
unlabeled_size=exp_dict["unlabeled_size_train"])
val_set = datasets.get_dataset(
dataset_name=exp_dict["dataset_val"],
data_root=exp_dict["dataset_val_root"],
split="val",
transform=exp_dict["transform_val"],
classes=exp_dict["classes_val"],
support_size=exp_dict["support_size_val"],
query_size=exp_dict["query_size_val"],
n_iters=exp_dict["val_iters"],
unlabeled_size=exp_dict["unlabeled_size_val"])
test_set = datasets.get_dataset(
dataset_name=exp_dict["dataset_test"],
data_root=exp_dict["dataset_test_root"],
split="test",
transform=exp_dict["transform_val"],
classes=exp_dict["classes_test"],
support_size=exp_dict["support_size_test"],
query_size=exp_dict["query_size_test"],
n_iters=exp_dict["test_iters"],
unlabeled_size=exp_dict["unlabeled_size_test"])
# get dataloaders
# ==========================
train_loader = torch.utils.data.DataLoader(
train_set,
batch_size=exp_dict["batch_size"],
shuffle=True,
num_workers=num_workers,
collate_fn=ut.get_collate(exp_dict["collate_fn"]),
drop_last=True)
val_loader = torch.utils.data.DataLoader(val_set,
batch_size=1,
shuffle=False,
num_workers=num_workers,
collate_fn=lambda x: x,
drop_last=True)
test_loader = torch.utils.data.DataLoader(test_set,
batch_size=1,
shuffle=False,
num_workers=num_workers,
collate_fn=lambda x: x,
drop_last=True)
# create model and trainer
# ==========================
# Create model, opt, wrapper
backbone = backbones.get_backbone(
backbone_name=exp_dict['model']["backbone"], exp_dict=exp_dict)
model = models.get_model(model_name=exp_dict["model"]['name'],
backbone=backbone,
n_classes=exp_dict["n_classes"],
exp_dict=exp_dict)
if run_ssl:
# runs the SSL experiments
score_list_path = os.path.join(savedir, 'score_list.pkl')
if not os.path.exists(score_list_path):
test_dict = model.test_on_loader(test_loader, max_iter=None)
hu.save_pkl(score_list_path, [test_dict])
return
# Checkpoint
# -----------
checkpoint_path = os.path.join(savedir, 'checkpoint.pth')
score_list_path = os.path.join(savedir, 'score_list.pkl')
if os.path.exists(score_list_path):
# resume experiment
model.load_state_dict(hu.torch_load(checkpoint_path))
score_list = hu.load_pkl(score_list_path)
s_epoch = score_list[-1]['epoch'] + 1
else:
# restart experiment
score_list = []
s_epoch = 0
# Run training and validation
for epoch in range(s_epoch, exp_dict["max_epoch"]):
score_dict = {"epoch": epoch}
score_dict.update(model.get_lr())
# train
score_dict.update(model.train_on_loader(train_loader))
# validate
score_dict.update(model.val_on_loader(val_loader))
score_dict.update(model.test_on_loader(test_loader))
# Add score_dict to score_list
score_list += [score_dict]
# Report
score_df = pd.DataFrame(score_list)
print(score_df.tail())
# Save checkpoint
hu.save_pkl(score_list_path, score_list)
hu.torch_save(checkpoint_path, model.get_state_dict())
print("Saved: %s" % savedir)
if "accuracy" in exp_dict["target_loss"]:
is_best = score_dict[exp_dict["target_loss"]] >= score_df[
exp_dict["target_loss"]][:-1].max()
else:
is_best = score_dict[exp_dict["target_loss"]] <= score_df[
exp_dict["target_loss"]][:-1].min()
# Save best checkpoint
if is_best:
hu.save_pkl(os.path.join(savedir, "score_list_best.pkl"),
score_list)
hu.torch_save(os.path.join(savedir, "checkpoint_best.pth"),
model.get_state_dict())
print("Saved Best: %s" % savedir)
# Check for end of training conditions
if model.is_end_of_training():
break
def trainval(exp_dict,
savedir_base,
reset,
metrics_flag=True,
datadir=None,
cuda=False):
# bookkeeping
# ---------------
# get experiment directory
exp_id = hu.hash_dict(exp_dict)
savedir = os.path.join(savedir_base, exp_id)
if reset:
# delete and backup experiment
hc.delete_experiment(savedir, backup_flag=True)
# create folder and save the experiment dictionary
os.makedirs(savedir, exist_ok=True)
hu.save_json(os.path.join(savedir, 'exp_dict.json'), exp_dict)
print(pprint.pprint(exp_dict))
print('Experiment saved in %s' % savedir)
# set seed
# ==================
seed = 42 + exp_dict['runs']
np.random.seed(seed)
torch.manual_seed(seed)
if cuda:
device = 'cuda'
torch.cuda.manual_seed_all(seed)
else:
device = 'cpu'
print('Running on device: %s' % device)
# Dataset
# ==================
train_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
train_flag=True,
datadir=datadir,
exp_dict=exp_dict)
train_loader = DataLoader(train_set,
drop_last=True,
shuffle=True,
sampler=None,
batch_size=exp_dict["batch_size"])
# Load Val Dataset
val_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
train_flag=False,
datadir=datadir,
exp_dict=exp_dict)
# Model
# ==================
use_backpack = exp_dict['opt'].get("backpack", False)
model = models.get_model(exp_dict["model"],
train_set=train_set,
backpack=use_backpack).to(device=device)
if use_backpack:
assert exp_dict['opt']['name'] in ['nus_wrapper', 'adaptive_second']
from backpack import extend
model = extend(model)
# Choose loss and metric function
loss_function = metrics.get_metric_function(exp_dict["loss_func"])
# Load Optimizer
# ==============
n_batches_per_epoch = len(train_set) / float(exp_dict["batch_size"])
opt = optimizers.get_optimizer(opt=exp_dict["opt"],
params=model.parameters(),
n_batches_per_epoch=n_batches_per_epoch,
n_train=len(train_set),
train_loader=train_loader,
model=model,
loss_function=loss_function,
exp_dict=exp_dict,
batch_size=exp_dict["batch_size"])
# Checkpointing
# =============
score_list_path = os.path.join(savedir, "score_list.pkl")
model_path = os.path.join(savedir, "model_state_dict.pth")
opt_path = os.path.join(savedir, "opt_state_dict.pth")
if os.path.exists(score_list_path):
# resume experiment
score_list = ut.load_pkl(score_list_path)
if use_backpack:
model.load_state_dict(torch.load(model_path), strict=False)
else:
model.load_state_dict(torch.load(model_path))
opt.load_state_dict(torch.load(opt_path))
s_epoch = score_list[-1]["epoch"] + 1
else:
# restart experiment
score_list = []
s_epoch = 0
# Start Training
# ==============
n_train = len(train_loader.dataset)
n_batches = len(train_loader)
batch_size = train_loader.batch_size
for epoch in range(s_epoch, exp_dict["max_epoch"]):
# Set seed
seed = epoch + exp_dict['runs']
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
score_dict = {"epoch": epoch}
# Validate
# --------
if metrics_flag:
# 1. Compute train loss over train set
score_dict["train_loss"] = metrics.compute_metric_on_dataset(
model,
train_set,
metric_name=exp_dict["loss_func"],
batch_size=exp_dict['batch_size'])
# 2. Compute val acc over val set
score_dict["val_acc"] = metrics.compute_metric_on_dataset(
model,
val_set,
metric_name=exp_dict["acc_func"],
batch_size=exp_dict['batch_size'])
# Train
# -----
model.train()
print("%d - Training model with %s..." %
(epoch, exp_dict["loss_func"]))
s_time = time.time()
train_on_loader(model, train_set, train_loader, opt, loss_function,
epoch, use_backpack)
e_time = time.time()
# Record step size and batch size
score_dict["step"] = opt.state.get("step",
0) / int(n_batches_per_epoch)
score_dict["step_size"] = opt.state.get("step_size", {})
score_dict["step_size_avg"] = opt.state.get("step_size_avg", {})
score_dict["n_forwards"] = opt.state.get("n_forwards", {})
score_dict["n_backwards"] = opt.state.get("n_backwards", {})
score_dict["grad_norm"] = opt.state.get("grad_norm", {})
score_dict["batch_size"] = batch_size
score_dict["train_epoch_time"] = e_time - s_time
score_dict.update(opt.state["gv_stats"])
# Add score_dict to score_list
score_list += [score_dict]
# Report and save
print(pd.DataFrame(score_list).tail())
ut.save_pkl(score_list_path, score_list)
ut.torch_save(model_path, model.state_dict())
ut.torch_save(opt_path, opt.state_dict())
print("Saved: %s" % savedir)
return score_list
type=int,
metavar='T',
default=None,
help="Enter the target class ID")
args = parser.parse_args()
yaml_path = args.yaml
with open(yaml_path, 'r') as f:
vis_args = DictAsMember(yaml.safe_load(f))
if args.img:
vis_args.DATASET.path = args.img
vis_args.DATASET.target_class = args.target
# Load model & pretrained params
pretrained_model = get_model(vis_args.MODEL)
state = torch.load(vis_args.MODEL.path)
try:
pretrained_model.load_state_dict(state["model"])
except KeyError as e:
pretrained_model.load_state_dict(state)
alpha = vis_args.RESULTS.alpha
h = w = vis_args.DATASET.size
# Initialize GBP
GBP = GuidedBackprop(pretrained_model, vis_args.MODEL.name)
# Get filenames and create absolute paths
if os.path.isdir(vis_args.DATASET.path):
files = os.listdir(vis_args.DATASET.path)
def eval_mtl_single(args):
global logger
# import ipdb; ipdb.set_trace()
args = torch.load(os.path.join(args.save_path, "args"))
print(args)
logger.info(args)
task_lst, vocabs = utils.get_data(args.data_path)
task_db = task_lst[args.task_id]
train_data = task_db.train_set
dev_data = task_db.dev_set
test_data = task_db.test_set
task_name = task_db.task_name
# text classification
for ds in [train_data, dev_data, test_data]:
ds.rename_field("words_idx", "x")
ds.rename_field("label", "y")
ds.set_input("x", "y", "task_id")
ds.set_target("y")
# seq label
if task_name in SEQ_LABEL_TASK:
for ds in [train_data, dev_data, test_data]:
ds.set_input("seq_len")
ds.set_target("seq_len")
logger = utils.get_logger(__name__)
logger.info("task name: {}, task id: {}".format(task_db.task_name, task_db.task_id))
logger.info(
"train len {}, dev len {}, test len {}".format(
len(train_data), len(dev_data), len(test_data)
)
)
# init model
model = get_model(args, task_lst, vocabs)
# logger.info('model: \n{}'.format(model))
if task_name not in SEQ_LABEL_TASK or task_name == "pos":
metrics = [
AccuracyMetric(target="y"),
# MetricInForward(val_name='loss')
]
else:
metrics = [
SpanFPreRecMetric(
tag_vocab=vocabs[task_name],
pred="pred",
target="y",
seq_len="seq_len",
encoding_type="bioes" if task_name == "ner" else "chunk",
),
AccuracyMetric(target="y")
# MetricInForward(val_name='loss')
]
cur_best = 0.0
init_best = None
eval_time = 0
paths = [path for path in os.listdir(args.save_path) if path.startswith("best")]
paths = sorted(paths, key=lambda x: int(x.split("_")[1]))
for path in paths:
path = os.path.join(args.save_path, path)
state = torch.load(path, map_location="cpu")
model.load_state_dict(state)
tester = Tester(
test_data,
model,
metrics=metrics,
batch_size=args.batch_size,
num_workers=4,
device="cuda",
use_tqdm=False,
)
res = tester.test()
val = 0.0
for metric_name, metric_dict in res.items():
if task_name == "pos" and "acc" in metric_dict:
val = metric_dict["acc"]
break
elif "f" in metric_dict:
val = metric_dict["f"]
break
if init_best is None:
init_best = val
logger.info(
"No #%d: best %f, %s, path: %s, is better: %s",
eval_time,
val,
tester._format_eval_results(res),
path,
val > init_best,
)
eval_time += 1
def trainval(exp_dict, savedir_base, reset=False):
# bookkeeping
# ---------------
# get experiment directory
exp_id = hu.hash_dict(exp_dict)
savedir = os.path.join(savedir_base, exp_id)
if reset:
# delete and backup experiment
hc.delete_experiment(savedir, backup_flag=True)
# create folder and save the experiment dictionary
os.makedirs(savedir, exist_ok=True)
hu.save_json(os.path.join(savedir, 'exp_dict.json'), exp_dict)
pprint.pprint(exp_dict)
print('Experiment saved in %s' % savedir)
# set seed
# ---------------
seed = 42 + exp_dict['runs']
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
# Dataset
# -----------
# train loader
train_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
train_flag=True,
datadir=savedir_base,
exp_dict=exp_dict)
train_loader = torch.utils.data.DataLoader(
train_set,
drop_last=True,
shuffle=True,
batch_size=exp_dict["batch_size"])
# val set
val_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
train_flag=False,
datadir=savedir_base,
exp_dict=exp_dict)
# Model
# -----------
model = models.get_model(exp_dict["model"], train_set=train_set).cuda()
# Choose loss and metric function
loss_function = metrics.get_metric_function(exp_dict["loss_func"])
# Compute fstar
# -------------
if exp_dict['opt'].get('fstar_flag'):
ut.compute_fstar(train_set, loss_function, savedir_base, exp_dict)
# Load Optimizer
n_batches_per_epoch = len(train_set) / float(exp_dict["batch_size"])
opt = optimizers.get_optimizer(opt_dict=exp_dict["opt"],
params=model.parameters(),
n_batches_per_epoch=n_batches_per_epoch)
# Checkpoint
# -----------
model_path = os.path.join(savedir, 'model.pth')
score_list_path = os.path.join(savedir, 'score_list.pkl')
opt_path = os.path.join(savedir, 'opt_state_dict.pth')
if os.path.exists(score_list_path):
# resume experiment
score_list = hu.load_pkl(score_list_path)
model.load_state_dict(torch.load(model_path))
opt.load_state_dict(torch.load(opt_path))
s_epoch = score_list[-1]['epoch'] + 1
else:
# restart experiment
score_list = []
s_epoch = 0
# Train & Val
# ------------
print('Starting experiment at epoch %d/%d' %
(s_epoch, exp_dict['max_epoch']))
for e in range(s_epoch, exp_dict['max_epoch']):
# Set seed
seed = e + exp_dict['runs']
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
score_dict = {}
# Compute train loss over train set
score_dict["train_loss"] = metrics.compute_metric_on_dataset(
model, train_set, metric_name=exp_dict["loss_func"])
# Compute val acc over val set
score_dict["val_acc"] = metrics.compute_metric_on_dataset(
model, val_set, metric_name=exp_dict["acc_func"])
# Train over train loader
model.train()
print("%d - Training model with %s..." % (e, exp_dict["loss_func"]))
# train and validate
s_time = time.time()
for batch in tqdm.tqdm(train_loader):
images, labels = batch["images"].cuda(), batch["labels"].cuda()
opt.zero_grad()
# closure
def closure():
return loss_function(model, images, labels, backwards=True)
opt.step(closure)
e_time = time.time()
# Record metrics
score_dict["epoch"] = e
score_dict["step_size"] = opt.state["step_size"]
score_dict["step_size_avg"] = opt.state["step_size_avg"]
score_dict["n_forwards"] = opt.state["n_forwards"]
score_dict["n_backwards"] = opt.state["n_backwards"]
score_dict["grad_norm"] = opt.state["grad_norm"]
score_dict["batch_size"] = train_loader.batch_size
score_dict["train_epoch_time"] = e_time - s_time
score_list += [score_dict]
# Report and save
print(pd.DataFrame(score_list).tail())
hu.save_pkl(score_list_path, score_list)
hu.torch_save(model_path, model.state_dict())
hu.torch_save(opt_path, opt.state_dict())
print("Saved: %s" % savedir)
print('Experiment completed')
def train_mlt_single(args):
global logger
logger.info(args)
task_lst, vocabs = utils.get_data(args.data_path)
task_db = task_lst[args.task_id]
train_data = task_db.train_set
dev_data = task_db.dev_set
test_data = task_db.test_set
task_name = task_db.task_name
if args.debug:
train_data = train_data[:200]
dev_data = dev_data[:200]
test_data = test_data[:200]
args.epochs = 3
args.pruning_iter = 3
summary_writer = SummaryWriter(
log_dir=os.path.join(args.tb_path, "global/%s" % task_name)
)
logger.info("task name: {}, task id: {}".format(task_db.task_name, task_db.task_id))
logger.info(
"train len {}, dev len {}, test len {}".format(
len(train_data), len(dev_data), len(test_data)
)
)
# init model
model = get_model(args, task_lst, vocabs)
logger.info("model: \n{}".format(model))
if args.init_weights is not None:
utils.load_model(model, args.init_weights)
if utils.need_acc(task_name):
metrics = [AccuracyMetric(target="y"), MetricInForward(val_name="loss")]
metric_key = "acc"
else:
metrics = [
YangJieSpanMetric(
tag_vocab=vocabs[task_name],
pred="pred",
target="y",
seq_len="seq_len",
encoding_type="bioes" if task_name == "ner" else "bio",
),
MetricInForward(val_name="loss"),
]
metric_key = "f"
logger.info(metrics)
need_cut_names = list(set([s.strip() for s in args.need_cut.split(",")]))
prune_names = []
for name, p in model.named_parameters():
if not p.requires_grad or "bias" in name:
continue
for n in need_cut_names:
if n in name:
prune_names.append(name)
break
# get Pruning class
pruner = Pruning(
model, prune_names, final_rate=args.final_rate, pruning_iter=args.pruning_iter
)
if args.init_masks is not None:
pruner.load(args.init_masks)
pruner.apply_mask(pruner.remain_mask, pruner._model)
# save checkpoint
os.makedirs(args.save_path, exist_ok=True)
logger.info('Saving init-weights to {}'.format(args.save_path))
torch.save(
model.cpu().state_dict(), os.path.join(args.save_path, "init_weights.th")
)
torch.save(args, os.path.join(args.save_path, "args.th"))
# start training and pruning
summary_writer.add_scalar("remain_rate", 100.0, 0)
summary_writer.add_scalar("cutoff", 0.0, 0)
if args.init_weights is not None:
init_tester = Tester(
test_data,
model,
metrics=metrics,
batch_size=args.batch_size,
num_workers=4,
device="cuda",
use_tqdm=False,
)
res = init_tester.test()
logger.info("No init testing, Result: {}".format(res))
del res, init_tester
for prune_step in range(pruner.pruning_iter + 1):
# reset optimizer every time
optim_params = [p for p in model.parameters() if p.requires_grad]
# utils.get_logger(__name__).debug(optim_params)
utils.get_logger(__name__).debug(len(optim_params))
optimizer = get_optim(args.optim, optim_params)
# optimizer = TriOptim(optimizer, args.n_filters, args.warmup, args.decay)
factor = pruner.cur_rate / 100.0
factor = 1.0
# print(factor, pruner.cur_rate)
for pg in optimizer.param_groups:
pg["lr"] = factor * pg["lr"]
utils.get_logger(__name__).info(optimizer)
trainer = Trainer(
train_data,
model,
loss=LossInForward(),
optimizer=optimizer,
metric_key=metric_key,
metrics=metrics,
print_every=200,
batch_size=args.batch_size,
num_workers=4,
n_epochs=args.epochs,
dev_data=dev_data,
save_path=None,
sampler=fastNLP.BucketSampler(batch_size=args.batch_size),
callbacks=[
pruner,
# LRStep(lstm.WarmupLinearSchedule(optimizer, args.warmup, int(len(train_data)/args.batch_size*args.epochs)))
GradientClipCallback(clip_type="norm", clip_value=5),
LRScheduler(
lr_scheduler=LambdaLR(optimizer, lambda ep: 1 / (1 + 0.05 * ep))
),
LogCallback(path=os.path.join(args.tb_path, "No", str(prune_step))),
],
use_tqdm=False,
device="cuda",
check_code_level=-1,
)
res = trainer.train()
logger.info("No #{} training, Result: {}".format(pruner.prune_times, res))
name, val = get_metric(res)
summary_writer.add_scalar("prunning_dev_acc", val, prune_step)
tester = Tester(
test_data,
model,
metrics=metrics,
batch_size=args.batch_size,
num_workers=4,
device="cuda",
use_tqdm=False,
)
res = tester.test()
logger.info("No #{} testing, Result: {}".format(pruner.prune_times, res))
name, val = get_metric(res)
summary_writer.add_scalar("pruning_test_acc", val, prune_step)
# prune and save
torch.save(
model.state_dict(),
os.path.join(
args.save_path,
"best_{}_{}.th".format(pruner.prune_times, pruner.cur_rate),
),
)
pruner.pruning_model()
summary_writer.add_scalar("remain_rate", pruner.cur_rate, prune_step + 1)
summary_writer.add_scalar("cutoff", pruner.last_cutoff, prune_step + 1)
pruner.save(
os.path.join(
args.save_path, "{}_{}.th".format(pruner.prune_times, pruner.cur_rate)
)
)
by="value", ascending=False).to_dict()["value"])
# ===============================
# === Train model
# ===============================
logging.info("Train model")
# get folds
with timer("Train model"):
with timer("get validation"):
x_train["target"] = np.log1p(y_train) > 7.0
splits = get_validation(x_train, config)
del x_train["target"]
gc.collect()
model = get_model(config)
(
models,
oof_preds,
test_preds,
valid_preds,
feature_importance,
evals_results,
) = model.cv(
y_train=y_train,
train_features=x_train[cols],
test_features=x_test[cols],
y_valid=None,
valid_features=None,
feature_name=cols,
folds_ids=splits,
def trainval(exp_dict, savedir_base, datadir_base, reset=False,
num_workers=0, pin_memory=False, ngpu=1, cuda_deterministic=False):
# bookkeeping
# ==================
# get experiment directory
exp_id = hu.hash_dict(exp_dict)
savedir = os.path.join(savedir_base, exp_id)
if reset:
# delete and backup experiment
hc.delete_experiment(savedir, backup_flag=True)
# create folder and save the experiment dictionary
hu.save_json(os.path.join(savedir, 'exp_dict.json'), exp_dict)
pprint.pprint(exp_dict)
print('Experiment saved in %s' % savedir)
if DEVICE.type == "cuda":
if cuda_deterministic:
cudnn.benchmark = False
cudnn.deterministic = True
else:
cudnn.benchmark = True
# Dataset
# ==================
trainset = get_dataset(exp_dict['dataset'], 'train',
exp_dict=exp_dict, datadir_base=datadir_base,
n_samples=exp_dict['dataset_size']['train'],
transform_lvl=exp_dict['dataset']['transform_lvl'],
colorjitter=exp_dict['dataset'].get('colorjitter')
)
valset = get_dataset(exp_dict['dataset'], 'validation',
exp_dict=exp_dict, datadir_base=datadir_base,
n_samples=exp_dict['dataset_size']['train'],
transform_lvl=0,
val_transform=exp_dict['dataset']['val_transform'])
testset = get_dataset(exp_dict['dataset'], 'test',
exp_dict=exp_dict, datadir_base=datadir_base,
n_samples=exp_dict['dataset_size']['test'],
transform_lvl=0,
val_transform=exp_dict['dataset']['val_transform'])
print("Dataset defined.")
# define dataloaders
if exp_dict['dataset']['name'] == 'bach':
testloader = torch.utils.data.DataLoader(testset, batch_size=1,
shuffle=False,
num_workers=num_workers,
pin_memory=pin_memory)
else:
testloader = torch.utils.data.DataLoader(testset, batch_size=exp_dict['batch']['size'],
shuffle=False,
num_workers=num_workers,
pin_memory=pin_memory)
print("Testloader defined.")
# Model
# ==================
model = get_model(exp_dict, trainset, device=DEVICE)
print("Model loaded")
model_path = os.path.join(savedir, 'model.pth')
model_best_path = os.path.join(savedir, 'model_best.pth')
score_list_path = os.path.join(savedir, 'score_list.pkl')
# checkpoint management
if os.path.exists(score_list_path):
# resume experiment
model.load_state_dict(hu.torch_load(model_path))
score_list = hu.load_pkl(score_list_path)
s_epoch = len(score_list)
else:
# restart experiment
score_list = []
s_epoch = 0
# define and log random seed for reproducibility
assert('fixedSeed' in exp_dict)
seed = exp_dict['fixedSeed']
random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
np.random.seed(seed)
print("Seed defined.")
# Train & Val
# ==================
print("Starting experiment at epoch %d/%d" % (s_epoch, exp_dict['niter']))
for epoch in range(s_epoch, exp_dict['niter']):
s_time = time.time()
# Sample new train val
trainloader, valloader = get_train_val_dataloader(exp_dict,
trainset, valset,
mixtrainval=exp_dict['mixTrainVal'],
num_workers=num_workers,
pin_memory=pin_memory)
# Train & validate
train_dict = model.train_on_loader(trainloader, valloader, epoch=epoch,
exp_dict=exp_dict)
# Test phase
train_dict_2 = model.test_on_loader(trainloader)
val_dict = model.test_on_loader(valloader)
test_dict = model.test_on_loader(testloader)
# Vis phase
model.vis_on_loader('train', trainset, savedir_images=os.path.join(
savedir, 'images'), epoch=epoch)
score_dict = {}
score_dict["epoch"] = epoch
score_dict["test_acc"] = test_dict['acc']
score_dict["val_acc"] = val_dict['acc']
score_dict["train_acc"] = train_dict_2['acc']
score_dict["train_loss"] = train_dict['loss']
score_dict["time_taken"] = time.time() - s_time
score_dict["netC_lr"] = train_dict['netC_lr']
if exp_dict['model']['netA'] is not None:
if 'transformations_mean' in train_dict:
for i in range(len(train_dict['transformations_mean'])):
score_dict[str(
i) + "_mean"] = train_dict['transformations_mean'][i].item()
if 'transformations_std' in train_dict:
for i in range(len(train_dict['transformations_std'])):
score_dict[str(
i) + "_std"] = train_dict['transformations_std'][i].item()
# Add to score_list and save checkpoint
score_list += [score_dict]
# Report & Save
score_df = pd.DataFrame(score_list)
print("\n", score_df.tail(), "\n")
hu.torch_save(model_path, model.get_state_dict())
hu.save_pkl(score_list_path, score_list)
print("Checkpoint Saved: %s" % savedir)
# Update best score
if epoch == 0 or (score_dict["test_acc"] >= score_df["test_acc"][:-1].max()):
hu.save_pkl(os.path.join(
savedir, "score_list_best.pkl"), score_list)
hu.torch_save(os.path.join(savedir, "model_best.pth"),
model.get_state_dict())
print("Saved Best: %s" % savedir)
print('experiment completed')
data_root="./data/imagenette2/train",
mapping_folder_to_label=mapping_folder_to_label,
train=True)
train_dataloader = DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True)
val_dataset = ImageNetteDataset(
data_root="./data/imagenette2/val",
mapping_folder_to_label=mapping_folder_to_label,
train=True)
val_dataloader = DataLoader(val_dataset,
batch_size=args.batch_size,
shuffle=False)
model = get_model(args.model_name)
criterion = nn.CrossEntropyLoss()
optimizer = torch.optim.SGD(model.parameters(),
lr=0.01,
momentum=0.9,
weight_decay=0.00001)
model.to(args.device)
best_val_acc = 0
for epoch in range(args.epochs):
train_correct = 0
train_loss = 0
train_data_num = 0
val_correct = 0
val_loss = 0
val_data_num = 0
type=str,
default='/mnt/public/datasets/DeepFish')
parser.add_argument("-e", "--exp_config", default='loc')
parser.add_argument("-uc", "--use_cuda", type=int, default=0)
args = parser.parse_args()
device = torch.device('cuda' if args.use_cuda else 'cpu')
exp_dict = exp_configs.EXP_GROUPS[args.exp_config][0]
train_set = datasets.get_dataset(dataset_name=exp_dict["dataset"],
split="train",
transform=exp_dict.get("transform"),
datadir=args.datadir)
# Create model, opt, wrapper
model_original = models.get_model(exp_dict["model"],
exp_dict=exp_dict).to('cpu') #.cuda()
opt = torch.optim.Adam(model_original.parameters(),
lr=1e-5,
weight_decay=0.0005)
model = wrappers.get_wrapper(exp_dict["wrapper"],
model=model_original,
opt=opt).to('cpu') #.cuda()
if args.exp_config == 'loc':
batch = torch.utils.data.dataloader.default_collate([train_set[3]])
else:
batch = torch.utils.data.dataloader.default_collate([train_set[0]])
#*************** helen added this code
im = Image.open("/Users/helenpropson/Documents/git/marepesca/tank.jpg")