def main():
client_config = ClientConfig(
idx=args.idx,
master_ip_addr=args.master_ip,
action=""
)
print("start")
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
tasks = []
task = asyncio.ensure_future(get_init_config(client_config))
tasks.append(task)
loop.run_until_complete(asyncio.wait(tasks))
loop.close()
train_dataset, test_dataset = datasets.load_datasets(client_config.custom["dataset_type"])
train_loader = utils.create_dataloaders(train_dataset, batch_size=args.batch_size, selected_idxs=client_config.custom["train_data_idxes"])
test_loader = utils.create_dataloaders(test_dataset, batch_size=128, selected_idxs=client_config.custom["test_data_idxes"], shuffle=False)
while True:
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
tasks = []
tasks.append(
asyncio.ensure_future(
local_training(client_config, train_loader, test_loader)
)
)
loop.run_until_complete(asyncio.wait(tasks))
loop.close()
def train_autoencoder():
data = utils.load_data(root_dir='./data/', mode='train')
data, target, features, date = utils.preprocess_data(data, nn=True)
dataset = utils.FinData(data=data, target=target, date=date)
p = {'batch_size': 4597,
'dim_1': 231,
'dim_2': 851,
'dim_3': 777,
'dim_4': 192,
'hidden': 50,
'dropout': 0.017122456592972537,
'lr': 0.0013131268366473552,
'activation': nn.GELU,
'label_smoothing': 0.09401544509474698,
'weight_decay': 0.005078413740277699,
'amsgrad': True}
train_idx = [i for i in range(len(data))]
val_idx = [i for i in range(10000)]
dataloaders = utils.create_dataloaders(dataset=dataset,
indexes={
'train': train_idx, 'val': val_idx},
batch_size=p['batch_size'])
checkpoint_callback = ModelCheckpoint(
dirpath='logs', monitor='t_loss', mode='min', save_top_k=1, period=10)
input_size = data.shape[-1]
output_size = 1
model = AutoEncoder(input_size=input_size,
output_size=output_size, params=p)
es = EarlyStopping(monitor='t_loss', patience=10,
min_delta=0.0005, mode='min')
trainer = pl.Trainer(max_epochs=500, gpus=1, callbacks=[checkpoint_callback, es],
precision=16)
trainer.fit(model, train_dataloader=dataloaders['train'])
def train_cross_val(p):
data_ = load_data(root_dir='./data/', mode='train')
data_, target_, features, date = preprocess_data(data_, nn=True)
gts = PurgedGroupTimeSeriesSplit(n_splits=5, group_gap=5)
input_size = data_.shape[-1]
output_size = 1
tb_logger = pl_loggers.TensorBoardLogger('logs/')
models = []
for i, (train_idx, val_idx) in enumerate(gts.split(data_, groups=date)):
idx = np.concatenate([train_idx, val_idx])
data = copy.deepcopy(data_[idx])
target = copy.deepcopy(target_[idx])
checkpoint_callback = pl.callbacks.ModelCheckpoint(os.path.join(
'models/', "fold_{}".format(i)),
monitor="val_auc",
mode='max',
save_top_k=1,
period=10)
model = Classifier(input_size=input_size,
output_size=output_size,
params=p)
if p['activation'] == nn.ReLU:
model.apply(lambda m: init_weights(m, 'relu'))
elif p['activation'] == nn.LeakyReLU:
model.apply(lambda m: init_weights(m, 'leaky_relu'))
train_idx = [i for i in range(0, max(train_idx) + 1)]
val_idx = [i for i in range(len(train_idx), len(idx))]
data[train_idx] = calc_data_mean(data[train_idx],
'./cache',
train=True,
mode='mean')
data[val_idx] = calc_data_mean(data[val_idx],
'./cache',
train=False,
mode='mean')
dataset = FinData(data=data, target=target, date=date)
dataloaders = create_dataloaders(dataset,
indexes={
'train': train_idx,
'val': val_idx
},
batch_size=p['batch_size'])
es = EarlyStopping(monitor='val_auc',
patience=10,
min_delta=0.0005,
mode='max')
trainer = pl.Trainer(logger=tb_logger,
max_epochs=500,
gpus=1,
callbacks=[checkpoint_callback, es],
precision=16)
trainer.fit(model,
train_dataloader=dataloaders['train'],
val_dataloaders=dataloaders['val'])
torch.save(model.state_dict(), f'models/fold_{i}_state_dict.pth')
models.append(model)
return models, features
def final_train(p, load=False):
data_ = load_data(root_dir='./data/', mode='train')
data, target, features, date = preprocess_data(data_, nn=True)
input_size = data.shape[-1]
output_size = 1
train_idx, val_idx = date[date <= 450].index.values.tolist(), date[
date > 450].index.values.tolist()
data[train_idx] = calc_data_mean(data[train_idx], './cache', train=True)
data[val_idx] = calc_data_mean(data[val_idx], './cache', train=False)
checkpoint_callback = pl.callbacks.ModelCheckpoint(
filepath='models/full_train',
monitor="val_auc",
mode='max',
save_top_k=1,
period=10)
model = Classifier(input_size=input_size,
output_size=output_size,
params=p)
if p['activation'] == nn.ReLU:
model.apply(lambda m: init_weights(m, 'relu'))
elif p['activation'] == nn.LeakyReLU:
model.apply(lambda m: init_weights(m, 'leaky_relu'))
dataset = FinData(data, target, date)
dataloaders = create_dataloaders(dataset,
indexes={
'train': train_idx,
'val': val_idx
},
batch_size=p['batch_size'])
es = EarlyStopping(monitor='val_auc',
patience=10,
min_delta=0.0005,
mode='max')
trainer = pl.Trainer(max_epochs=500,
gpus=1,
callbacks=[checkpoint_callback, es],
precision=16)
trainer.fit(model,
train_dataloader=dataloaders['train'],
val_dataloaders=dataloaders['val'])
torch.save(model.state_dict(), 'models/final_train.pth')
return model, features
def train(args, states=None):
config_obj = Config(args.config_file)
config = config_obj.elements
# make training runs deterministic
set_seed(seed_value=config['random_seed'])
logging.info("Loading datasets...")
dataset, labels = load_embeddings(data_path=config['data'],
label_path=config['labels'])
train_loader, val_loader, test_loader = create_dataloaders(
dataset,
labels,
batch_size=config['batch_size'],
random_seed=config['random_seed'],
balance=config['correct_imbalance'],
)
model = TextCNN(
num_classes=config['num_classes'],
embedding_size=config['embedding_size'],
num_filters=config['num_filters'],
dropout_rate=config['dropout'],
)
if torch.cuda.is_available():
model.cuda()
loss_function = nn.CrossEntropyLoss()
optimizer = torch.optim.Adam(model.parameters(), lr=config['lr'])
best_metric = 0
# loop over the dataset multiple times
for epoch in range(1, config['num_epochs'] + 1):
logging.info(
f"==================== Epoch: {epoch} ====================")
running_losses = []
for i, data in enumerate(train_loader, 0):
# get the inputs; data is a list of [inputs, labels]
inputs, labels = data
if torch.cuda.is_available():
inputs, labels = inputs.cuda(), labels.cuda()
# zero the parameter gradients before each pass
optimizer.zero_grad()
# forward
probs, classes = model(inputs)
# backprop
loss = loss_function(probs, labels)
loss.backward()
# update/optimize
optimizer.step()
# Log summary
running_losses.append(loss.item())
if i % args.log_interval == 0:
interval_loss = sum(running_losses) / len(running_losses)
logging.info(f"step = {i}, loss = {interval_loss}")
running_losses = []
if i % args.test_interval == 0:
dev_metric = eval(
val_loader,
model,
loss_function,
args.eval_metric,
)
if dev_metric > best_metric:
best_metric = dev_metric
states = {
"epoch": epoch,
"step": i,
"model": model.state_dict(),
"optimizer": optimizer.state_dict()
}
save_model_state(save_dir=args.model_dir,
step=i,
states=states)
print(f"Finished Training, best {args.eval_metric}: {best_metric}")
def optimize(trial: optuna.Trial, data_dict):
gts = PurgedGroupTimeSeriesSplit(n_splits=5, group_gap=10)
input_size = data_dict['data'].shape[-1]
output_size = 5
checkpoint_callback = pl.callbacks.ModelCheckpoint(os.path.join(
'models/', "trial_resnet_{}".format(trial.number)),
monitor="val_auc",
mode='max')
logger = MetricsCallback()
metrics = []
sizes = []
# trial_file = 'HPO/nn_hpo_2021-01-05.pkl'
trial_file = None
p = create_param_dict(trial, trial_file)
p['batch_size'] = trial.suggest_int('batch_size', 8000, 15000)
for i, (train_idx, val_idx) in enumerate(
gts.split(data_dict['data'], groups=data_dict['date'])):
idx = np.concatenate([train_idx, val_idx])
data = copy.deepcopy(data_dict['data'][idx])
target = copy.deepcopy(data_dict['target'][idx])
date = copy.deepcopy(data_dict['date'][idx])
train_idx = [i for i in range(0, max(train_idx) + 1)]
val_idx = [i for i in range(len(train_idx), len(idx))]
data[train_idx] = calc_data_mean(data[train_idx],
'./cache',
train=True,
mode='mean')
data[val_idx] = calc_data_mean(data[val_idx],
'./cache',
train=False,
mode='mean')
model = Classifier(input_size, output_size, params=p)
# model.apply(init_weights)
dataset = FinData(data=data, target=target, date=date, multi=True)
dataloaders = create_dataloaders(dataset,
indexes={
'train': train_idx,
'val': val_idx
},
batch_size=p['batch_size'])
es = EarlyStopping(monitor='val_loss',
patience=10,
min_delta=0.0005,
mode='min')
trainer = pl.Trainer(logger=False,
max_epochs=500,
gpus=1,
callbacks=[
checkpoint_callback, logger,
PyTorchLightningPruningCallback(
trial, monitor='val_loss'), es
],
precision=16)
trainer.fit(model,
train_dataloader=dataloaders['train'],
val_dataloaders=dataloaders['val'])
val_loss = logger.metrics[-1]['val_loss'].item()
metrics.append(val_loss)
sizes.append(len(train_idx))
metrics_mean = weighted_mean(metrics, sizes)
return metrics_mean
def train(args, states=None):
config_obj = Config(args.config_file)
config = config_obj.elements
# make training runs deterministic
set_seed(seed_value=config['random_seed'])
logging.info("Loading datasets...")
dataset, labels = load_tokens(
input_id_path=config['input_id'],
token_type_id_path=config['token_type_id'],
attention_mask_path=config['attention_mask'],
label_path=config['labels'],
)
train_loader, val_loader, test_loader = create_dataloaders(
dataset,
labels,
batch_size=config['batch_size'],
random_seed=config['random_seed'],
balance=config['correct_imbalance'],
)
model = BertForSequenceClassification.from_pretrained(
"microsoft/BiomedNLP-PubMedBERT-base-uncased-abstract-fulltext",
num_labels=2,
output_attentions=False,
output_hidden_states=False,
)
if torch.cuda.is_available():
model.cuda()
loss_function = nn.CrossEntropyLoss()
# optimizer = AdamW(model.parameters(), lr=config['lr'])
optimizer = torch.optim.SGD(model.parameters(), lr=config['lr'])
total_train_steps = config['num_epochs'] * len(train_loader)
scheduler = get_linear_schedule_with_warmup(
optimizer,
num_warmup_steps=0,
num_training_steps=total_train_steps,
)
best_metric = 0
# loop over the dataset multiple times
for epoch in range(1, config['num_epochs'] + 1):
logging.info(
f"==================== Epoch: {epoch} ====================")
running_losses = []
for i, data in enumerate(train_loader, 0):
# get the inputs; data is a list of [inputs, labels]
input_ids, token_type_ids, attention_mask, labels = data
if torch.cuda.is_available():
input_ids = input_ids.cuda()
token_type_ids = token_type_ids.cuda()
attention_mask = attention_mask.cuda()
labels = labels.cuda()
# zero the parameter gradients
optimizer.zero_grad()
# forward
_, logits = model(
input_ids=input_ids,
token_type_ids=token_type_ids,
attention_mask=attention_mask,
labels=labels,
)
# probs = F.softmax(logits, dim=1)
# backprop
loss = loss_function(logits, labels)
loss.backward()
# clip gradients
torch.nn.utils.clip_grad_norm_(model.parameters(), 1.0)
# update/optimize
optimizer.step()
# update learning rate
scheduler.step()
# Log summary
running_losses.append(loss.item())
if i % args.log_interval == 0:
interval_loss = sum(running_losses) / len(running_losses)
logging.info(f"step = {i}, loss = {interval_loss}")
running_losses = []
if i % args.test_interval == 0:
dev_metric = eval(
val_loader,
model,
loss_function,
args.eval_metric,
)
if dev_metric > best_metric:
best_metric = dev_metric
states = {
"epoch": epoch,
"step": i,
"model": model.state_dict(),
"optimizer": optimizer.state_dict()
}
save_model_state(save_dir=args.model_dir,
step=i,
states=states)
print(f"Finished Training, best {args.eval_metric}: {best_metric}")
args = parser.parse_args()
if __name__ == "__main__":
# get the values from the params
data_dir = args.data_dir
checkpoint_path = args.checkpoint_path
arch = args.arch
lr = args.learning_rate
dropout = args.dropout
hidden_units = args.hidden_units
epochs = args.epochs
gpu = args.gpu
print("These are the arguments supplied! :\n {}".format(args))
image_datasets, dataloaders = utils.create_dataloaders(data_dir)
# nn model stuff
supported_archs = utils.get_supported_archs()
if arch not in supported_archs:
print(
"'{}' not supported. Please choose either vgg16 or alexnet".format(
arch))
else:
pretrained_model = supported_archs[arch][0]
model_input = supported_archs[arch][1]
food_classifier = utils.setup_nn(pretrained_model, model_input,
hidden_units, dropout)
