def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
# Get model
log.info('Building model...')
model, step = get_model(word_vectors, char_vectors, log, args)
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
#optimizer = get_opt(model,args)
#optimizer = optim.Adam(model.parameters(),lr=1,betas=[0.8,0.999],eps=1e-7,weight_decay=args.l2_wd)
#warmup=args.warmup
# cooldown=args.hidden_size*100
#scheduler=sched.LambdaLR(optimizer,lambda step: min(0.001,0.001*(step/warmup)**0.5) if step<=cooldown else max(1e-4 ,1e-3*(1-min(1,(step-cooldown)/cooldown))**0.5))
#scheduler=sched.LambdaLR(optimizer,lambda step: min(0.001,0.001*(step/warmup)**0.5))
'''
cr = 1.0 / math.log(warmup)
scheduler = sched.LambdaLR(
optimizer,
lr_lambda=lambda ee: cr * math.log(ee + 1)
if ee < warmup else 1)
'''
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda step: 1)
# Get data loader
log.info('Building dataset...')
if (args.model_name == "KnowGQA"):
train_dataset = SQUADwithGraph(args.train_record_file_graph,
args.use_squad_v2)
dev_dataset = SQUADwithGraph(args.dev_record_file_graph,
args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn_graph)
dev_loader = data.DataLoader(dev_dataset,
batch_size=4,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn_graph)
else:
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
if (args.model_name == "KnowGQA"):
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, co_idxs, adjs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
cc_idxs = cc_idxs.to(device)
qw_idxs = qw_idxs.to(device)
qc_idxs = qc_idxs.to(device)
co_idxs = co_idxs.to(device)
adjs = adjs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, cc_idxs, qw_idxs, qc_idxs,
co_idxs, adjs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step()
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, "KnowGQA",
dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name],
device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
elif args.model_name == "BiDAF_nochar":
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, qw_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step()
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, "BiDAF_nochar",
dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name],
device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
else:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
cc_idxs = cc_idxs.to(device)
qw_idxs = qw_idxs.to(device)
qc_idxs = qc_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, cc_idxs, qw_idxs, qc_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step()
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, "BiDAF",
dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name],
device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir) # Writes entries directly to event files in the logdir to be consumed by TensorBoard.
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids)) # 一个gpu： batch_size=64 看实际情况
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
# Get model
log.info('Building model...')
model = BiDAF(word_vectors=word_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path: # default=None
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay) # ema_decay = 0.999
# ema core => new_average = (1.0 - decay) * param.data + decay * self.shadow[name]
# Get saver
# metric_name: NLL or EM F1
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints, # max_checkpoints = 5
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(), args.lr,
weight_decay=args.l2_wd) # lr : default=0.5 l2_wd : default=0
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2) # train_record_file = './data/train.npz'
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size, # 64
shuffle=True, # sampler = RandomSampler(dataset) batch_sampler = BatchSampler(sampler, batch_size, drop_last)
num_workers=args.num_workers, # 4
collate_fn=collate_fn) # merges a list of samples to form a mini-batch.
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2) # dev_record_file = './data/dev.npz'
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)# Merge examples of different length by padding all examples to the maximum length in the batch.
# Train
log.info('Training...')
steps_till_eval = args.eval_steps # 50000
epoch = step // len(train_dataset) # len(train_dataset)= 7 epoch=0
while epoch != args.num_epochs: # 30
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0) # 64
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, qw_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), args.max_grad_norm) # max_grad_norm : default=5.0
optimizer.step() # 进行1次optimize
scheduler.step(step // batch_size)# train : step=0
ema(model, step // batch_size) # def __call__(self, model, num_updates):
# Log info
step += batch_size #step: 0 batch_size=64
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch,
NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step) # Add scalar data to summary.
tbx.add_scalar('train/LR',
optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps # 50000
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model) ##
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file, # './data/dev_eval.json'
args.max_ans_len, # 15
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}' for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get model
log.info('Building model...')
'''
TODO: YOUR MODEL HERE
'''
model = None
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = MyDataset(args.train_record_file)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = MyDataset(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for features, ys, ids in train_loader:
# Setup for forward
batch_size = 1 # TODO:
optimizer.zero_grad()
# Forward
outputs = model(features)
y = y.to(device)
loss = loss_fn(outputs, y) # TODO
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
# Set up logging and devices
name = "train_exp2"
args.save_dir = util.get_save_dir(args.logging_dir, name, training=True)
log = get_logger(args.save_dir, name)
tbx = SummaryWriter(args.save_dir)
device, gpu_ids = util.get_available_devices()
log.info(f"Args: {dumps(vars(args), indent=4, sort_keys=True)}")
args.batch_size *= max(1, len(gpu_ids))
# Set random seed
log.info(f"Using random seed {args.random_seed}...")
random.seed(args.random_seed)
np.random.seed(args.random_seed)
torch.manual_seed(args.random_seed)
torch.cuda.manual_seed_all(args.random_seed)
# Get embeddings
log.info(f"Loading embeddings from {args.word_emb_file}...")
word_vectors = util.torch_from_json(args.word_emb_file)
# Get model
log.info("Building model...")
model = BiDAF(word_vectors=word_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
model = nn.DataParallel(model, gpu_ids)
if args.load_path:
log.info(f"Loading checkpoint from {args.load_path}...")
model, step = util.load_model(model, args.load_path, gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(), args.learning_rate,
weight_decay=args.learning_rate_decay)
# scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
scheduler = sched.ReduceLROnPlateau(optimizer=optimizer,
mode="min", factor=0.1,
patience=2, verbose=True, cooldown=0
min_lr=0.0005)
for epoch in range(args.num_epochs):
log.info(f"Starting epoch {epoch}...")
for i in range(args.num_train_chunks):
# Get data loader
train_rec_file = f"{args.train_record_file_exp2}_{i}.npz"
log.info(f'Building dataset from {train_rec_file} ...')
train_dataset = SQuAD(train_rec_file, args.exp2_train_topic_contexts, use_v2=True)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = 0
# torch.set_num_threads(7)
with torch.enable_grad(), tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = qw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, qw_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch,
NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR',
optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f"Evaluating at step {step}...")
ema.assign(model)
for i in range(args.num_dev_chunks):
# Get data loader
all_pred_dicts = {}
all_results = OrderedDict()
dev_rec_file = f"{args.dev_record_file_exp2}_{i}.npz"
log.info(f'Building evaluating dataset from {dev_rec_file} ...')
dev_dataset = SQuAD(dev_rec_file,
args.exp2_dev_topic_contexts,
use_v2=True)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
use_squad_v2=True)
all_results.update(results)
all_pred_dicts.update(pred_dict)
del dev_dataset
del dev_loader
del results
del pred_dict
torch.cuda.empty_cache()
saver.save(step, model, all_results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}' for k, v in all_results.items())
log.info(f"Dev {results_str}")
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in all_results.items():
tbx.add_scalar(f"dev/{k}", v, step)
util.visualize(tbx,
pred_dict=all_pred_dicts,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
torch.cuda.empty_cache()
del train_dataset
del train_loader
torch.cuda.empty_cache()
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info('Args: {}'.format(dumps(vars(args), indent=4, sort_keys=True)))
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info('Using random seed {}...'.format(args.seed))
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
# ######################################
# tokenizer = BertTokenizer.from_pretrained('bert-large-uncased', do_lower_case=True)
# train_examples = None
# train_examples = read_squad_examples(
# input_file=args.train_file, is_training=True, version_2_with_negative=args.version_2_with_negative)
# train_features = convert_examples_to_features(
# examples=train_examples,
# tokenizer=tokenizer,
# max_seq_length=args.max_seq_length,
# doc_stride=args.doc_stride,
# max_query_length=args.max_query_length,
# is_training=True)
# if args.local_rank == -1 or torch.distributed.get_rank() == 0:
# logger.info(" Saving train features into cached file %s", cached_train_features_file)
# with open(cached_train_features_file, "wb") as writer:
# pickle.dump(train_features, writer)
# all_input_ids = torch.tensor([f.input_ids for f in train_features], dtype=torch.long)
# x = all_input_ids
###########################################
# Get model
log.info('Building model...')
model = BiDAF(word_vectors=word_vectors,
char_vectors=char_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info('Loading checkpoint from {}...'.format(args.load_path))
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info('Starting epoch {}...'.format(epoch))
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0)
# added_flag
cc_idxs = cc_idxs.to(device)
qc_idxs = qc_idxs.to(device)
optimizer.zero_grad()
# Forward
# log_p1, log_p2 = model(cw_idxs, qw_idxs)
log_p1, log_p2 = model(cw_idxs, qw_idxs, cc_idxs, qc_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info('Evaluating at step {}...'.format(step))
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join('{}: {:05.2f}'.format(k, v)
for k, v in results.items())
log.info('Dev {}'.format(results_str))
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar('dev/{}'.format(k), v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(course_dir,
text_embedding_size,
audio_embedding_size,
image_embedding_size,
hidden_size,
drop_prob,
max_text_length,
out_heatmaps_dir,
args,
batch_size=3,
num_epochs=100):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Create Dataset objects
text_dataset = TextDataset(course_dir, max_text_length)
audio_dataset = AudioDataset(course_dir)
target_dataset = TargetDataset(course_dir)
# Preprocess the image in prescribed format
normalize = transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
transform = transforms.Compose([
transforms.RandomResizedCrop(256),
transforms.RandomHorizontalFlip(),
transforms.ToTensor(),
normalize,
])
image_dataset = ImageDataset(course_dir, transform)
assert len(text_dataset) == len(audio_dataset) and len(
audio_dataset) == len(image_dataset) and len(image_dataset) == len(
target_dataset), "Unequal dataset lengths"
# Creating data indices for training and validation splits:
train_indices, val_indices = gen_train_val_indices(text_dataset)
# Creating PT data samplers and loaders:
train_sampler = torch.utils.data.SequentialSampler(train_indices)
val_sampler = torch.utils.data.SequentialSampler(val_indices)
# Get sentence embeddings
train_text_loader = torch.utils.data.DataLoader(text_dataset,
batch_size=batch_size,
shuffle=False,
num_workers=2,
collate_fn=collator,
sampler=train_sampler)
val_text_loader = torch.utils.data.DataLoader(text_dataset,
batch_size=batch_size,
shuffle=False,
num_workers=2,
collate_fn=collator,
sampler=val_sampler)
# Get Audio embeddings
train_audio_loader = torch.utils.data.DataLoader(audio_dataset,
batch_size=batch_size,
shuffle=False,
num_workers=2,
collate_fn=collator,
sampler=train_sampler)
val_audio_loader = torch.utils.data.DataLoader(audio_dataset,
batch_size=batch_size,
shuffle=False,
num_workers=2,
collate_fn=collator,
sampler=val_sampler)
# Get images
train_image_loader = torch.utils.data.DataLoader(image_dataset,
batch_size=batch_size,
shuffle=False,
num_workers=2,
collate_fn=collator,
sampler=train_sampler)
val_image_loader = torch.utils.data.DataLoader(image_dataset,
batch_size=batch_size,
shuffle=False,
num_workers=2,
collate_fn=collator,
sampler=val_sampler)
# Load Target text
train_target_loader = torch.utils.data.DataLoader(
target_dataset,
batch_size=batch_size,
shuffle=False,
num_workers=2,
collate_fn=target_collator,
sampler=train_sampler)
val_target_loader = torch.utils.data.DataLoader(target_dataset,
batch_size=batch_size,
shuffle=False,
num_workers=2,
collate_fn=target_collator,
sampler=val_sampler)
# print("lens - train_text_loader {}, val_text_loader {}".format(len(train_text_loader), len(val_text_loader)))
# print("lens - train_audio_loader {}, val_audio_loader {}".format(len(train_audio_loader), len(val_audio_loader)))
# print("lens - train_image_loader {}, val_image_loader {}".format(len(train_image_loader), len(val_image_loader)))
# print("lens - train_target_loader {}, val_target_loader {}".format(len(train_target_loader), len(val_target_loader)))
# Create model
model = MMBiDAF(hidden_size, text_embedding_size, audio_embedding_size,
image_embedding_size, device, drop_prob, max_text_length)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay) # For exponential moving average
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log) # Need to change the metric name
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Let's do this!
loss = 0
eps = 1e-8
log.info("Training...")
steps_till_eval = args.eval_steps
epoch = step // len(TextDataset(course_dir, max_text_length))
while epoch != args.num_epochs:
epoch += 1
log.info("Starting epoch {epoch}...")
count_item = 0
loss_epoch = 0
with torch.enable_grad(), tqdm(
total=len(train_text_loader.dataset)) as progress_bar:
for (batch_text, original_text_lengths), (
batch_audio, original_audio_lengths), (
batch_images,
original_img_lengths), (batch_target_indices,
batch_source_paths,
batch_target_paths,
original_target_len) in zip(
train_text_loader,
train_audio_loader,
train_image_loader,
train_target_loader):
loss = 0
max_dec_len = torch.max(
original_target_len
) # TODO check error : max decoder timesteps for each batch
# Transfer tensors to GPU
batch_text = batch_text.to(device)
log.info("Loaded batch text")
batch_audio = batch_audio.to(device)
log.info("Loaded batch audio")
batch_images = batch_images.to(device)
log.info("Loaded batch image")
batch_target_indices = batch_target_indices.to(device)
log.info("Loaded batch targets")
# Setup for forward
batch_size = batch_text.size(0)
optimizer.zero_grad()
log.info("Starting forward pass")
# Forward
batch_out_distributions, loss = model(
batch_text, original_text_lengths, batch_audio,
original_audio_lengths, batch_images, original_img_lengths,
batch_target_indices, original_target_len, max_dec_len)
loss_val = loss.item() # numerical value of loss
loss_epoch = loss_epoch + loss_val
log.info("Starting backward")
# Backward
loss.backward()
nn.utils.clip_grad_norm_(
model.parameters(),
args.max_grad_norm) # To tackle exploding gradients
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
# TODO
# scores, results = evaluate(model, dev_loader, device,
# args.dev_eval_file,
# args.max_ans_len,
# args.use_squad_v2)
saver.save(step, model, device)
ema.resume(model)
# Generate summary
print('Generated summary for iteration {}: '.format(epoch))
summaries = get_generated_summaries(batch_out_distributions,
original_text_lengths,
batch_source_paths)
print(summaries)
# Evaluation
# rouge = Rouge()
# rouge_scores = rouge.get_scores(batch_source_paths, batch_target_paths, avg=True)
# print('Rouge score at iteration {} is {}: '.format(epoch, rouge_scores))
# Generate Output Heatmaps
# sns.set()
# for idx in range(len(out_distributions)):
# out_distributions[idx] = out_distributions[idx].squeeze(0).detach().numpy() # Converting each timestep distribution to numpy array
# out_distributions = np.asarray(out_distributions) # Converting the timestep list to array
# ax = sns.heatmap(out_distributions)
# fig = ax.get_figure()
# fig.savefig(out_heatmaps_dir + str(epoch) + '.png')
print("Epoch loss is : {}".format(loss_epoch / count_item))
def main(args):
if args.large:
args.train_record_file += '_large'
args.dev_eval_file += '_large'
model_name = "albert-xlarge-v2"
else:
model_name = "albert-base-v2"
if args.xxlarge:
args.train_record_file += '_xxlarge'
args.dev_eval_file += '_xxlarge'
model_name = "albert-xxlarge-v2"
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get model
log.info('Building model...')
if args.bidaf:
char_vectors = util.torch_from_json(args.char_emb_file)
if args.model_name == 'albert_highway':
model = models.albert_highway(model_name)
elif args.model_name == 'albert_lstm_highway':
model = models.LSTM_highway(model_name, hidden_size=args.hidden_size)
elif args.model_name == 'albert_bidaf':
model = models.BiDAF(char_vectors=char_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
elif args.model_name == 'albert_bidaf2':
model = models.BiDAF2(model_name=model_name,
char_vectors=char_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
else:
model = AlbertForQuestionAnswering.from_pretrained(args.model_name)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = AdamW(model.parameters(), lr=args.lr, weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2,
args.bidaf)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers)
dev_dataset = SQuAD(args.dev_eval_file, args.use_squad_v2, args.bidaf)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers)
with open(args.dev_gold_file) as f:
gold_dict = json.load(f)
tokenizer = AlbertTokenizer.from_pretrained(model_name)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for batch in train_loader:
batch = tuple(t.to(device) for t in batch)
inputs = {
"input_ids": batch[0],
"attention_mask": batch[1],
"token_type_ids": batch[2],
'start_positions': batch[3],
'end_positions': batch[4],
}
if args.bidaf:
inputs['char_ids'] = batch[6]
y1 = batch[3]
y2 = batch[4]
# Setup for forward
batch_size = inputs["input_ids"].size(0)
optimizer.zero_grad()
# Forward
# log_p1, log_p2 = model(**inputs)
y1, y2 = y1.to(device), y2.to(device)
outputs = model(**inputs)
loss = outputs[0]
loss = loss.mean()
# loss_fct = nn.CrossEntropyLoss()
# loss = loss_fct(log_p1, y1) + loss_fct(log_p2, y2)
# loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(args, model, dev_dataset,
dev_loader, gold_dict,
tokenizer, device,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
# Get size of char vocab
with open(args.char2idx_file, 'r') as fh:
char_vocab_size = len(json_load(fh))
# Get model
log.info('Building model...')
model = QANet(word_vectors=word_vectors,
hidden_size=args.hidden_size,
char_vocab_size = char_vocab_size,
char_emb_size = args.char_emb_size,
word_char_emb_size = args.word_char_emb_size,
drop_prob=args.drop_prob,
num_blocks_embd = args.num_blocks_embd,
num_conv_embd = args.num_conv_embd,
kernel_size = args.kernel_size,
num_heads = args.num_heads,
num_blocks_model = args.num_blocks_model,
num_conv_model = args.num_conv_model,
dropout_char = args.dropout_char,
dropout_word = args.dropout_word,
survival_prob = args.survival_prob)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
#params = filter(lambda param: param.requires_grad, model.parameters())
optimizer = optim.Adam(lr=1, betas=(args.beta1, args.beta2), eps=args.adam_eps, weight_decay=args.l2_wd, params=model.parameters())
cr = args.lr / math.log2(args.warm_up)
scheduler = optim.lr_scheduler.LambdaLR(optimizer, lr_lambda=lambda ee: cr * math.log2(ee + 1) if ee < args.warm_up else args.lr)
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
torch.autograd.set_detect_anomaly(True)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
cc_idxs=cc_idxs.to(device)
qc_idxs=qc_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, qw_idxs, cc_idxs, qc_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch,
NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR',
optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}' for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
# set device
if args.use_gpu and torch.cuda.is_available():
device = torch.device("cuda:{}".format(args.gpu_ids[0]))
args.batch_size *= max(1, len(args.gpu_ids))
print(f"device is cuda: gpu_ids = {args.gpu_ids}")
else:
device = torch.device("cpu")
print("device is cpu")
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
# Get model
log.info('Building model...')
model = NAQANet(
device,
word_vectors,
char_vectors,
c_max_len=args.context_limit,
q_max_len=args.question_limit,
answering_abilities=['passage_span_extraction', 'counting'],
max_count=args.max_count
) # doesn't large max_count lead to meaningless probability?
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
lr = args.lr
base_lr = 1.0
warm_up = args.lr_warm_up_num
params = filter(lambda param: param.requires_grad, model.parameters())
optimizer = torch.optim.Adam(lr=base_lr,
betas=(args.beta1, args.beta2),
eps=1e-7,
weight_decay=3e-7,
params=params)
cr = lr / math.log(warm_up)
scheduler = torch.optim.lr_scheduler.LambdaLR(
optimizer,
lr_lambda=lambda ee: cr * math.log(ee + 1) if ee < warm_up else lr)
# Get data loader
log.info('Building dataset...')
train_dataset = DROP(args.train_record_file)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = DROP(args.dev_record_file)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, \
qw_idxs, qc_idxs, \
start_idxs, end_idxs, \
counts, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
cc_idxs = cc_idxs.to(device)
qw_idxs = qw_idxs.to(device)
qc_idxs = qc_idxs.to(device)
start_idxs = start_idxs.to(device)
end_idxs = end_idxs.to(device)
counts = counts.to(device)
ids = ids.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
output_dict = model(cw_idxs, cc_idxs, qw_idxs, qc_idxs, ids,
start_idxs, end_idxs, counts)
loss = output_dict["loss"]
loss = torch.sum(loss, dim=0) / len(args.gpu_ids)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), args.grad_clip)
optimizer.step()
scheduler.step()
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Save the model
print("Saving the model ...")
torch.save(model.state_dict(), args.model_dir)
print("Done!")
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
# Get model
log.info('Building model...')
"""
model = BiDAF(word_vectors=word_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
"""
'''
model = charBiDAF(word_vectors=word_vectors,
char_vectors=char_vectors,
emb_size=char_vectors.size(1),
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
'''
model = QANet(word_vectors=word_vectors,
char_vectors=char_vectors,
emb_size=char_vectors.size(1),
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
print(
"YOU ARE ENTERING THE QA NET MODEL TRAINING_____________________________________________________________________"
)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
#print("Model status - ", cuda_or_cpu(model))
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
#torch.utils.data._utils.MP_STATUS_CHECK_INTERVAL = 300
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=0,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
cc_idxs = cc_idxs.to(device)
qw_idxs = qw_idxs.to(device)
qc_idxs = qc_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, cc_idxs, qw_idxs, qc_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
#print(torch.cuda.memory_allocated(device=None))
scheduler.step(step // batch_size)
ema(model, step // batch_size)
#torch.cuda.empty_cache()
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
# print('Memory 1: ', torch.cuda.memory_allocated())
ema.assign(model)
# print('Memory 2: ', torch.cuda.memory_allocated())
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, type="train")
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get your model
log.info('Building model...')
model, step = get_model(log, args)
model = model.to(device)
model.train()
#Exponential moving average
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adam(model.parameters(),
lr=args.lr,
betas=[0.8, 0.999],
eps=1e-7,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda step: 1)
#get loss computer
cri = FocalLoss(alpha=torch.tensor([args.alpha, 1]).to(device),
gamma=args.gamma)
# Get data loader
log.info('Building dataset...')
dev_dataset = util.load_dataset(args.dev_file,
args.PPI_dir,
args.PPI_gene_feature_dir,
args.PPI_gene_query_dict_dir,
args.max_nodes,
train=False)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=util.collate_fn)
train_dataset = util.load_dataset(args.train_file, args.PPI_dir,
args.PPI_gene_feature_dir,
args.PPI_gene_query_dict_dir,
args.max_nodes)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=util.collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = 0
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for batch_a, batch_bio_a, batch_A, batch_b, batch_bio_b, batch_B, batch_y in train_loader:
# Setup for forward
batch_a = batch_a.to(device)
batch_bio_a = batch_bio_a.to(device)
batch_A = batch_A.to(device)
batch_bio_b = batch_bio_b.to(device)
batch_b = batch_b.to(device)
batch_B = batch_B.to(device)
batch_y = batch_y.to(device)
batch_y = batch_y.long()
batch_size = batch_bio_a.size(0)
optimizer.zero_grad()
# Forward
output = model(batch_a, batch_bio_a, batch_A, batch_b,
batch_bio_b, batch_B)
loss = cri(output, batch_y)
#loss = F.nll_loss(output, batch_y)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step()
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/Loss', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results = evaluate(model, dev_loader, cri, device)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.5f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
log.info('Loading word2Idx...')
word2Idx = json.loads(open(args.word2idx_file).read())
Idx2Word = {v: k for (k, v) in word2Idx.items()}
vocab_size = len(word2Idx)
print(f"Vocab Size is : {vocab_size}")
def getWords(idxList):
words = []
for i in idxList:
words.append(Idx2Word[i])
return words
def create_new_model():
if args.model_type == "seq2seq":
return Seq2Seq(word_vectors=word_vectors,
hidden_size=args.hidden_size,
output_size=vocab_size,
device=device)
elif args.model_type == "seq2seq_attn":
return Seq2SeqAttn(word_vectors=word_vectors,
hidden_size=args.hidden_size,
output_size=vocab_size,
device=device)
elif args.model_type == "transformer":
return TransformerModel(vocab_size,
device,
num_encoder_layers=2,
num_decoder_layers=2,
dropout=0.1)
#return make_model(vocab_size, vocab_size, N=2, dropout=0.0)
# Get model
log.info('Building model...')
model = create_new_model()
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
# Get saver
saver = util.CheckpointSaver(args.save_dir,
args.best_model_name,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
model_save_path = os.path.join(args.save_dir, args.best_model_name)
# Initialize optimizer and loss function
optimizer = NoamOpt(
model.module.src_embed[0].d_model, 1, 2000,
torch.optim.Adam(model.parameters(), lr=0, betas=(0.9, 0.98),
eps=1e-9))
criterion = nn.NLLLoss(ignore_index=PAD, reduction='sum')
loss_compute = SimpleLossCompute(criterion, optimizer)
# Default project starter code uses Adadelta, but we're going to use Adam
# optimizer = torch.optim.Adam(model.parameters(), lr=float(args.lr))
num_trial = 0
train_iter = patience = total_loss = report_loss = total_words = report_words = 0
total_examples = report_examples = epoch = valid_num = 0
train_time = begin_time = time.time()
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
train_iter += 1
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0)
# Setup for forward
src_idxs = cw_idxs
src_idxs = torch.cat(
(torch.zeros(
(batch_size, 1), device=device,
dtype=torch.long), src_idxs,
torch.zeros(
(batch_size, 1), device=device, dtype=torch.long)),
dim=-1)
src_idxs[:, 0] = SOS
src_idxs[:, -1] = EOS
#optimizer.zero_grad()
tgt_idxs = qw_idxs[:, :-1]
tgt_idxs_y = qw_idxs[:, 1:]
#c_mask = (cw_idxs != pad).unsqueeze(-2)
src_mask = src_idxs == PAD
tgt_mask = tgt_idxs == PAD
#copy_idxs_tgt_mask = make_std_mask(copy_idxs_tgt, pad)
# Forward
if args.model_type in ['seq2seq', 'seq2seq_attn']:
log_p = model(src_idxs,
tgt_idxs) #(batch_size, q_len, vocab_size)
elif args.model_type == 'transformer':
log_p = model(src_idxs, tgt_idxs, src_mask,
tgt_mask) #(batch_size, q_len, vocab_size)
'''
print("Context:")
print(src_idxs[0])
print("Question:")
print(tgt_idxs[0])
print("Predicted:")
print(log_p[0].argmax(-1))
'''
log_p = log_p.contiguous().view(-1, log_p.size(-1))
#qw_idxs_tgt = qw_idxs[:, 1:] # omitting leading `SOS`
#qw_idxs_tgt = copy_idxs[:, 1:]
#print(qw_idxs_tgt.shape)
#qw_idxs_tgt = qw_idxs_tgt.contiguous().view(qw_idxs_tgt.size(0) * qw_idxs_tgt.size(1))
#print(qw_idxs_tgt.shape)
#q_tgt_mask = torch.zeros_like(qw_idxs_tgt) != qw_idxs_tgt
#q_len = q_tgt_mask.sum(-1)
tgt_idxs_y = tgt_idxs_y.contiguous().view(-1)
tgt_no_pad = tgt_idxs_y != PAD
tgt_len = tgt_no_pad.sum(-1)
#batch_loss = F.nll_loss(log_p, qw_idxs_tgt, ignore_index=0, reduction='sum')
#loss = batch_loss / batch_size
#loss_val = loss.item()
# Backward
#loss.backward()
#nn.utils.clip_grad_norm_(model.parameters(), args.max_grad_norm)
#optimizer.step()
batch_words = torch.sum(tgt_len).item()
report_words += batch_words
total_words += batch_words
report_examples += batch_size
total_examples += batch_size
batch_loss = loss_compute(log_p, tgt_idxs_y, batch_words,
model.training)
'''
model_opt.optimizer.zero_grad()
loss = criterion(log_p, copy_idxs_tgt_y) / batch_words
loss.backward()
model_opt.step()
'''
#batch_loss = loss.item() * batch_words
report_loss += batch_loss
total_loss += batch_loss
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=batch_loss)
if train_iter % args.log_every == 0:
'''
log.info('epoch %d, iter %d, avg. loss %.2f, avg. ppl %.2f ' \
'cum. examples %d, speed %.2f words/sec, time elapsed %.2f sec' % (epoch, train_iter,
report_loss / report_examples,
math.exp(report_loss / report_tgt_words),
cum_examples,
report_tgt_words / (time.time() - train_time),
time.time() - begin_time))
'''
'''
print("Context Words:")
print(getWords(src_idxs[0].squeeze().tolist()))
#util.evaluateRandomly(model, word2Idx, Idx2Word, re_cw_idxs[batch_size-1].unsqueeze(0), device)
print("Question Words:")
print(getWords(tgt_idxs[0].squeeze().tolist()))
print("Predicted Words:")
model.eval()
predicted_words = util.greedy_decode(model, src_idxs[0].unsqueeze(0), src_mask[0].unsqueeze(0), max_len=30, start_symbol=2)
print(predicted_words)
print(getWords(predicted_words.squeeze().tolist()))
model.train()
'''
log.info('epoch %d, iter %d, avg. loss %.2f, avg. ppl %.2f ' \
'cum. examples %d, speed %.2f words/sec, time elapsed %.2f sec' % (epoch, train_iter,
report_loss / report_words,
math.exp(report_loss / report_words),
total_examples,
report_words / (time.time() - train_time),
time.time() - begin_time))
train_time = time.time()
report_loss = report_words = report_examples = 0.
# perform validation
if train_iter % args.valid_niter == 0:
print('begin validation ...', file=sys.stderr)
# compute dev metrics
results = evaluate(model, dev_loader, device,
args.use_squad_v2)
log.info(
'validation: iter %d, dev avg. loss %.2f, dev. ppl %f'
% (train_iter, results['NLL'], results['PPL']))
if saver.is_best(results[args.metric_name]):
log.info('save currently the best model to [%s]' %
model_save_path)
saver.save(step, model, results[args.metric_name],
device)
'''
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info('Args: {}'.format(dumps(vars(args), indent=4, sort_keys=True)))
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info('Using random seed {}...'.format(args.seed))
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
# NEW : load the tag embeddings
pos_vectors = util.torch_from_json(args.pos_emb_file)
ner_vectors = util.torch_from_json(args.ner_emb_file)
# Add loss
if 'loss' in args.name:
distance_criterion = DistanceFromAnswerLoss(coefficient=.5, device=device,
normalization=True, penalization_type='quadratic',
reduction='mean')
# Choose model
log.info('Building model {}...'.format(args.name))
if 'baseline' in args.name:
model = BiDAF(word_vectors=word_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
elif args.name == 'BiDAF_char':
model = BiDAF_char(word_vectors=word_vectors,
char_vectors=char_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
elif (args.name == 'BiDAF_tag') or (args.name == 'BiDAF_tag_loss'):
model = BiDAF_tag(word_vectors=word_vectors,
char_vectors=char_vectors,
pos_vectors=pos_vectors,
ner_vectors=ner_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
elif (args.name == 'BiDAF_tag_unfrozen') or (args.name == 'BiDAF_tag_unfrozen_loss'):
model = BiDAF_tag(word_vectors=word_vectors,
char_vectors=char_vectors,
pos_vectors=pos_vectors,
ner_vectors=ner_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob,
freeze_tag=False)
elif args.name == 'BiDAF_tag_ext':
model = BiDAF_tag_ext(word_vectors=word_vectors,
char_vectors=char_vectors,
pos_vectors=pos_vectors,
ner_vectors=ner_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
elif args.name == 'BiDAF_tag_ext_unfrozen':
model = BiDAF_tag_ext(word_vectors=word_vectors,
char_vectors=char_vectors,
pos_vectors=pos_vectors,
ner_vectors=ner_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob,
freeze_tag=False)
elif args.name == 'coattn':
model = CoattentionModel(hidden_dim=args.hidden_size,
embedding_matrix=word_vectors,
train_word_embeddings=False,
dropout=0.35,
pooling_size=16,
number_of_iters=4,
number_of_layers=2,
device=device)
else:
raise NameError('No model named ' + args.name)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info('Loading checkpoint from {}...'.format(args.load_path))
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(), args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn,
drop_last=True)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn,
drop_last=True)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info('Starting epoch {}...'.format(epoch))
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, cpos_idxs, cner_idxs, cw_ems, cw_tfs, qw_idxs, qc_idxs, qpos_idxs, qner_idxs, qw_ems, qw_tfs, y1, y2, ids in train_loader: # NEW
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
if 'baseline' in args.name:
log_p1, log_p2 = model(cw_idxs, qw_idxs)
elif args.name == 'BiDAF_char':
# Additional setup for forward
cc_idxs = cc_idxs.to(device)
qc_idxs = qc_idxs.to(device)
log_p1, log_p2 = model(cw_idxs, qw_idxs, cc_idxs, qc_idxs)
elif (args.name == 'BiDAF_tag') or (args.name == 'BiDAF_tag_unfrozen') or (args.name == 'BiDAF_tag_loss') or (args.name == 'BiDAF_tag_unfrozen_loss'):
# Additional setup for forward
cc_idxs = cc_idxs.to(device)
cpos_idxs = cpos_idxs.to(device)
cner_idxs = cner_idxs.to(device)
qc_idxs = qc_idxs.to(device)
qpos_idxs = qpos_idxs.to(device)
qner_idxs = qner_idxs.to(device)
log_p1, log_p2 = model(cw_idxs, qw_idxs, cc_idxs, qc_idxs, cpos_idxs, qpos_idxs, cner_idxs, qner_idxs)
elif (args.name == 'BiDAF_tag_ext') or (args.name == 'BiDAF_tag_ext_unfrozen'):
# Additional setup for forward
cc_idxs = cc_idxs.to(device)
cpos_idxs = cpos_idxs.to(device)
cner_idxs = cner_idxs.to(device)
cw_ems = cw_ems.to(device)
cw_tfs = cw_tfs.to(device)
qc_idxs = qc_idxs.to(device)
qpos_idxs = qpos_idxs.to(device)
qner_idxs = qner_idxs.to(device)
qw_ems = qw_ems.to(device)
qw_tfs = qw_tfs.to(device)
log_p1, log_p2 = model(cw_idxs, qw_idxs, cc_idxs, qc_idxs, cpos_idxs, qpos_idxs, cner_idxs, qner_idxs, cw_ems, qw_ems, cw_tfs, qw_tfs)
elif args.name == 'coattn':
max_c_len = cw_idxs.size(1)
max_q_len = qw_idxs.size(1)
c_len = []
q_len = []
for i in range(cw_idxs.size(0)):
if len((cw_idxs[i] == 0).nonzero()) != 0:
c_len_i = (cw_idxs[i] == 0).nonzero()[0].item()
else:
c_len_i = cw_idxs.size(1)
if len((qw_idxs[i] == 0).nonzero()) != 0:
q_len_i = (qw_idxs[i] == 0).nonzero()[0].item()
else:
q_len_i = qw_idxs.size(1)
c_len.append(int(c_len_i))
q_len.append(int(q_len_i))
c_len = torch.Tensor(c_len).int()
q_len = torch.Tensor(q_len).int()
num_examples = int(cw_idxs.size(0) / len(args.gpu_ids))
log_p1, log_p2 = model(max_c_len, max_q_len, cw_idxs, qw_idxs, c_len, q_len, num_examples, True, True)
else:
raise NameError('No model named ' + args.name)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
# Add distance penalization
if 'loss' in args.name:
loss += distance_criterion(log_p1, y1) + distance_criterion(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch,
NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR',
optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info('Evaluating at step {}...'.format(step))
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2,
args.name,
args.gpu_ids)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join('{}: {:05.2f}'.format(k, v)
for k, v in results.items())
log.info('Dev {}'.format(results_str))
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar('dev/{}'.format(k), v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
IMAGE_TRAIN_PIXEL_FILE = "./data/train.csv"
MODEL_SAVED_DIR = "./save"
MODEL_SAVED_DIR = util.get_save_dir(MODEL_SAVED_DIR, args[1], True)
LOG_DIR = "./log"
dr = digit_recognizer()
log = util.get_basic_logger(LOG_DIR, "train")
#Process the data before giving input to the model
images_data, label_data = load_image_binary_data(IMAGE_TRAIN_PIXEL_FILE)
load_first_image = images_data.iloc[:1, :]
load_first_image = np.array(load_first_image).reshape(28, 28)
pdf = PdfPages(
'./data/first_image_pass_first_cnnlayer_with_relu_maxpool_outchannel_5_with_topmost_original_image.pdf'
)
log.info("Display original image")
display_image(load_first_image, pdf)
load_first_image = torch.from_numpy(load_first_image).type(
torch.FloatTensor)
load_first_image = load_first_image.unsqueeze(0).unsqueeze(0)
#output = dr(load_first_image)
# Display the first image after passign through one cnn layer with relu and maxpool
# for filter_no in range(OUT_CHANNEL):
# display_image(output[0][filter_no].detach().numpy(),pdf)
# pdf.close()
# Divide the train data into train data and dev eval data
# It seems adding 1 as an extra dimension does not have any impact
images_data = np.array(images_data).reshape(-1, 1, 28, 28)
label_data = np.array(label_data)
x_train, x_valid, y_train, y_valid = train_test_split(images_data,
label_data,
test_size=0.2)
log.info('The shape of training data: {}'.format(x_train.shape))
log.info("The shape of testing data: {}".format(x_valid.shape))
log.info("The shape of training label data: {}".format(y_train.shape))
log.info("The shape of testing label data: {}".format(y_valid.shape))
#Initialize the model
model = digit_recognizer()
device, gpu_ids = util.get_available_devices()
log.info(
"The device on which the model is running is :: {}".format(device))
model.to(device)
train_dataset = torch.utils.data.TensorDataset(
torch.from_numpy(x_train).float(),
torch.from_numpy(y_train).long())
eval_dataset = torch.utils.data.TensorDataset(
torch.from_numpy(x_valid).float(),
torch.from_numpy(y_valid).long())
#create train dataloader object
train_loader = data.DataLoader(dataset=train_dataset,
batch_size=150,
shuffle=True)
#create eval dataloader object
eval_loader = data.DataLoader(dataset=eval_dataset,
batch_size=150,
shuffle=False)
#Initialize the optimizer
optimizer = optim.Adam(model.parameters(), lr=0.0001)
#initialize the cross entropy loss
loss_fn = nn.CrossEntropyLoss()
#Declare the checkpointsaver to save the model
saver = util.CheckpointSaver(MODEL_SAVED_DIR,
max_checkpoints=4,
metric_name='Accuracy',
maximize_metric=True,
log=log)
#initilaize the tensorboard with the path of the model saved dir
tbx = SummaryWriter(MODEL_SAVED_DIR)
epoch = int(args[2])
global_step_train = 0
global_step_eval = 0
for i in range(epoch):
log.info("Starting training")
global_step_train = train(train_loader, model, loss_fn, device,
optimizer, tbx, log, global_step_train)
log.info("Starting evaluation ")
accuracy, global_step_eval = evaluate(eval_loader, model, loss_fn,
device, tbx, log,
global_step_eval)
log.info("Completed epoch {} ".format(i))
saver.save(i, model, accuracy, device)
def train(args):
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
if args.gpu_ids == 'cpu':
device, args.gpu_ids = torch.device('cpu'), []
else:
device, args.gpu_ids = util.get_available_devices()
log.info('training on device {} with gpu_id {}'.format(str(device), str(args.gpu_ids)))
# Set random seed
log.info('Using random seed {}...'.format(args.seed))
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
log.info('Building model...')
if args.task == 'tag':
model = SummarizerLinear()
# model = SummarizerLinearAttended(128, 256)
# model = SummarizerRNN(128, 256)
else:
model = SummarizerAbstractive(128, 256, device)
if len(args.gpu_ids) > 0:
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info('Loading checkpoint from {}...'.format(args.load_path))
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
## get a saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
optimizer = optim.Adam(model.parameters(), args.lr,
weight_decay=args.l2_wd)
log.info('Building dataset...')
data_path = PROCESSED_DATA_SUPER_TINY if args.split == 'super_tiny' else PROCESSED_DATA
with open(data_path, 'rb') as f:
all_data = pickle.load(f)
if 'tiny' in args.split:
train_split = all_data['tiny']
dev_split = all_data['tiny']
else:
train_split = all_data['train']
dev_split = all_data['dev']
train_dataset = SummarizationDataset(
train_split['X'], train_split['y'], train_split['gold'])
dev_dataset = SummarizationDataset(
dev_split['X'], dev_split['y'], dev_split['gold'])
collate_fn = tag_collate_fn if args.task == 'tag' else decode_collate_fn
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
num_workers=args.num_workers,
shuffle=True,
collate_fn=collate_fn)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
num_workers=args.num_workers,
shuffle=False,
collate_fn=collate_fn)
## Train!
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info('Starting epoch {}...'.format(epoch))
batch_num = 0
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for X, y, _ in train_loader:
batch_size = X.size(0)
batch_num += 1
X = X.to(device)
y = y.float().to(device) # (batch_size, max_len) for tag, (batch_size, 110) for decode
optimizer.zero_grad()
if args.task == 'tag':
logits = model(X) # (batch_size, max_len)
mask = (X != PAD_VALUE).float() # 1 for real data, 0 for pad, size of (batch_size, max_len)
loss = (F.binary_cross_entropy_with_logits(logits, y, reduction='none') * mask).mean()
loss_val = loss.item()
else:
logits = model(X, y[:, :-1]) # (batch_size, 109, max_len)
loss = sum(F.cross_entropy(logits[i], y[i, 1:], ignore_index=-1, reduction='mean')\
for i in range(batch_size)) / batch_size
loss_val = loss.item()
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), args.max_grad_norm)
optimizer.step()
# scheduler.step(step // batch_size)
# Log info
step += args.batch_size
progress_bar.update(args.batch_size)
progress_bar.set_postfix(epoch=epoch,
Loss=loss_val)
tbx.add_scalar('train/Loss', loss_val, step)
tbx.add_scalar('train/LR',
optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info('Evaluating at step {}...'.format(step))
results, pred_dict = evaluate(args, model, dev_loader, device)
if results is None:
log.info('Selected predicted no select for all in batch')
continue
saver.save(step, model, results[args.metric_name], device)
# # Log to console
results_str = ', '.join('{}: {:05.2f}'.format(k, v)
for k, v in results.items())
log.info('Dev {}'.format(results_str))
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar('dev/{}'.format(k), v, step)
def main(args):
# Set up faulthandler
faulthandler.enable()
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
# Get model
log.info('Building model...')
model_params = {
'word_vectors': word_vectors,
'char_vectors': char_vectors,
'args': args
}
model = get_model(args.model, model_params)
print('Model size: {:f} MB'.format(
sum(p.nelement() * p.element_size()
for p in model.parameters()) / (1024 * 1024)))
# model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
progress_bar.set_description(
'Batch data_loading finished'.ljust(30))
progress_bar.refresh()
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
cc_idxs = cc_idxs.to(device)
qc_idxs = qc_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
progress_bar.set_description(
'Batch initialization finished'.ljust(30))
progress_bar.refresh()
# Forward
faulthandler.dump_traceback_later(timeout=3)
log_p1, log_p2 = model(cw_idxs, cc_idxs, qw_idxs, qc_idxs)
faulthandler.cancel_dump_traceback_later()
progress_bar.set_description(
'Batch forward finished'.ljust(30))
progress_bar.refresh()
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
faulthandler.dump_traceback_later(timeout=3)
loss.backward()
faulthandler.cancel_dump_traceback_later()
progress_bar.set_description(
'Batch backward finished'.ljust(30))
progress_bar.refresh()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
progress_bar.set_description('Optimization finished'.ljust(30))
progress_bar.refresh()
scheduler.step()
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
progress_bar.set_description(
'Evaluation finished'.ljust(30))
progress_bar.refresh()
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(data, flags):
# Set up logging and devices
log_dir = data.logging_dir
log = util.get_logger(log_dir, "toy")
tbx = SummaryWriter(data.logging_dir)
device, data.gpu_ids = util.get_available_devices()
log.info('Config: {}'.format(dumps(vars(data), indent=4, sort_keys=True)))
data.batch_size *= max(1, len(data.gpu_ids))
# Set random seed
log.info('Using random seed {}...'.format(data.random_seed))
random.seed(data.random_seed)
np.random.seed(data.random_seed)
torch.manual_seed(data.random_seed)
torch.cuda.manual_seed_all(data.random_seed)
if flags[1] == "toy":
word_emb_file = data.toy_word_emb_file
training_data = data.toy_record_file_exp3
test_data = data.dev_record_file_exp3
eval_file = data.toy_eval_exp3
elif flags[1] == "train":
word_emb_file = data.word_emb_file
training_data = data.train_record_file_exp3
test_data = data.dev_record_file_exp3
eval_file = data.train_eval_exp3
elif flags[1] == "dev":
word_emb_file = data.word_emb_file
training_data = data.dev_record_file_exp3
test_data = data.toy_record_file_exp3
eval_file = data.dev_eval_exp3
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(word_emb_file)
# Get model
log.info('Building model...')
model = BiDAF(word_vectors=word_vectors,
hidden_size=data.hidden_size,
drop_prob=data.drop_prob)
model = nn.DataParallel(model, data.gpu_ids)
if data.load_path:
log.info('Loading checkpoint from {}...'.format(data.load_path))
model, step = util.load_model(model, data.load_path, data.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, data.ema_decay)
# Get saver
saver = util.CheckpointSaver(data.logging_dir,
max_checkpoints=10,
metric_name=data.metric_name,
maximize_metric=data.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
data.learning_rate,
weight_decay=data.learning_weight_decay)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
# np.load(data.toy_record_file_exp3)
train_dataset = SQuAD3(training_data, use_v2=True)
train_loader = torchdata.DataLoader(train_dataset,
batch_size=data.batch_size,
shuffle=True,
num_workers=data.num_workers,
collate_fn=collate_fn)
test_dataset = SQuAD3(test_data, use_v2=True)
test_loader = torchdata.DataLoader(test_dataset,
batch_size=data.batch_size,
shuffle=False,
num_workers=data.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = data.eval_steps
epoch = step // len(test_dataset)
while epoch != data.num_epochs:
epoch += 1
log.info('Starting epoch {}...'.format(epoch))
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log.info("cw_idxs length: {}".format(str(len(cw_idxs))))
log.info("qw_idxs length: {}".format(str(len(qw_idxs))))
log.info("cw_idxs size: {}".format(str(
sys.getsizeof(cw_idxs))))
log.info("qw_idxs size: {}".format(str(
sys.getsizeof(qw_idxs))))
log.info("cw_idxs shape: {}".format(str(cw_idxs.shape)))
log.info("qw_idxs shape: {}".format(str(qw_idxs.shape)))
log_p1, log_p2 = model(cw_idxs, qw_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
data.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('toy/NLL', loss_val, step)
tbx.add_scalar('toy/LR', optimizer.param_groups[0]['lr'], step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = data.eval_steps
# Evaluate and save checkpoint
log.info('Evaluating at step {}...'.format(step))
ema.assign(model)
results, pred_dict = evaluate(model,
test_loader,
device,
eval_path=eval_file,
max_len=sys.maxsize,
use_squad_v2=True)
saver.save(step, model, results[data.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join('{}: {:05.2f}'.format(k, v)
for k, v in results.items())
log.info('Dev {}'.format(results_str))
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar('dev/{}'.format(k), v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=eval_file,
step=step,
split='dev',
num_visuals=data.num_visuals)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
# To make the data generation of every experiment same
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
print(word_vectors.size())
print(char_vectors.size())
# Get model
log.info('Building model...')
model = BiDAF(word_vectors=word_vectors,
char_vectors=char_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
# (context_idxs(context_len,): Indices of the words in the context.,
# context_char_idx(context_len, max_word_len): Indices of the characters in the context,
# question_idxs(question_len,): Indices of the words in the question,
# question_char_idx(question_len, max_word_len): Indices of the characters in the question,
# y1:start, -1 if no answer: answer start index,
# y2:start, -1 if no answer: answer end index,
# id ID of the example)
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
# cw_idxs: Indices of the words in the context
# cc_idxs: Indices of the characters in the context
# qw_idxs: Indices of the words in the query
# qc_idxs: Indices of the characters in teh query
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
# cw_idx with shape(context_len, )
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, cc_idxs, qw_idxs, qc_idxs)
y1, y2 = y1.to(device), y2.to(device)
# L(theta) = - 1/N * sum(log(P1_yi_1) + log(P2_yi_2))
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def __init__(self,
args,
gpu_num: int,
train_loader,
val_loader,
crop_sz=125,
output_sz=121,
lambda0=1e-4,
padding=2.0,
output_sigma_factor=0.1):
self.crop_sz = crop_sz
self.output_sz = output_sz
self.lambda0 = lambda0
self.padding = padding
output_sigma = crop_sz / (1 + padding) * output_sigma_factor
self.args = args
self.gpu_num = gpu_num
self.train_loader = train_loader
self.val_loader = val_loader
self.batch_size = args.batch_size * gpu_num
self.best_loss = 1e6
# shape: 121, 121
self.y = torch.tensor(
util.gaussian_shaped_labels(
output_sigma,
[self.output_sz, self.output_sz]).astype(np.float32)).cuda()
# shape: 1, 1, 121, 61, 2
self.yf = fft.rfftn(self.y.view(1, 1, self.output_sz, self.output_sz),
dim=[-2, -1])
# Shape: 121, 121
self.initial_y = self.y.clone()
# Shape: batch, 1, 121, 61
self.label = self.yf.repeat(self.batch_size, 1, 1, 1)
self.model = DCFNet(lambda0=self.lambda0).cuda()
print('GPU NUM: {:2d}'.format(gpu_num))
if gpu_num > 1:
self.model = torch.nn.DataParallel(self.model,
list(range(gpu_num))).cuda()
self.criterion = nn.MSELoss(reduction='sum').cuda()
self.optimizer = torch.optim.SGD(self.model.parameters(),
lr=args.lr,
momentum=args.momentum,
weight_decay=args.weight_decay)
self.lr_scheduler = torch.optim.lr_scheduler.ExponentialLR(
self.optimizer,
gamma=util.compute_lr_gamma(args.lr, 1e-5, args.epochs))
# Bring the lr scheduler to the first epoch
for epoch in range(args.start_epoch):
self.lr_scheduler.step()
# for training
self.target = self.y.unsqueeze(0).unsqueeze(0).repeat(
args.batch_size * gpu_num, 1, 1, 1)
# optionally resume from a checkpoint
if args.resume:
if isfile(args.resume):
print(f"=> loading checkpoint '{args.resume}'")
checkpoint = torch.load(args.resume)
self.args.start_epoch = checkpoint['epoch']
self.best_loss = checkpoint['best_loss']
self.model.load_state_dict(checkpoint['state_dict'])
self.optimizer.load_state_dict(checkpoint['optimizer'])
print(
f"=> loaded checkpoint '{args.resume}' (epoch {checkpoint['epoch']})"
)
else:
print(f"=> no checkpoint found at '{args.resume}'")
cudnn.benchmark = True
checkpoint_path = args.save if args.save else config.checkpoint_root
self.checkpoint_saver = util.CheckpointSaver(save_path=os.path.join(
checkpoint_path, f'crop_{args.input_sz:d}_{args.padding:1.1f}'),
verbose=True)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
max_len = 10
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
ch_vectors = util.torch_from_json(args.char_emb_file)
# Get model
log.info('Building model...')
model = BiDAF(word_vectors=word_vectors,
ch_vectors=ch_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
cc_idxs = cc_idxs.to(device)
qc_idxs = qc_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p = model(cw_idxs, qw_idxs, cc_idxs, qc_idxs)
y1, y2 = y1.to(device), y2.to(device)
#print("ckpt 1")
ans_lens = y2 - y1
loss = 0
for i in range(max_len):
mask = ((torch.ones_like(y1) * i) == ans_lens).type(
torch.cuda.LongTensor)
y = y1 * mask
loss += F.nll_loss(log_p[:, :, i], y)
#print("ckpt 2")
loss_val = loss.item()
#print("ckpt 3")
# Backward
loss.backward()
#print("ckpt 4")
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
#print("ckpt 5")
optimizer.step()
#print("ckpt 6")
scheduler.step(step // batch_size)
ema(model, step // batch_size)
#print("ckpt 7")
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
if step % (50 * batch_size) == 0:
print(loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
#print("ckpt 8")
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info('Args: {}'.format(dumps(vars(args), indent=4, sort_keys=True)))
# Comment out to only use 1 GPU on nv12
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info('Using random seed {}...'.format(args.seed))
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
# Get model
log.info('Building model...')
model = None
max_context_len, max_question_len = args.para_limit, args.ques_limit
if (args.model_type == "bidaf" or args.model_type == "bert-bidaf"):
model = BiDAF(word_vectors=word_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
elif (args.model_type == "dcn" or args.model_type == "bert-dcn"):
model = DCN(word_vectors=word_vectors,
hidden_size=args.hidden_size,
max_context_len=max_context_len,
max_question_len=max_question_len,
drop_prob=args.drop_prob)
elif (args.model_type == "bert-basic"):
model = BERT(word_vectors=word_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
if model is None:
raise ValueError('Model is unassigned. Please ensure --model_type \
chooses between {bidaf, bert-bidaf, dcn, bert-dcn, bert-basic} ')
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info('Loading checkpoint from {}...'.format(args.load_path))
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
count_skip = 0
while epoch != args.num_epochs:
epoch += 1
log.info('Starting epoch {}...'.format(epoch))
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
batch_size = cw_idxs.size(0)
count_skip += 1
if (args.skip_examples == True
and (count_skip % 5 == 1 or count_skip % 5 == 2
or count_skip % 5 == 3 or count_skip % 5 == 4)):
step += batch_size
progress_bar.update(batch_size)
steps_till_eval -= batch_size
continue
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
## Additions for BERT ##
max_context_len, max_question_len = args.para_limit, args.ques_limit
if "bert" in args.model_type:
bert_train_embeddings = get_embeddings(
"train", ids, args.para_limit, args.ques_limit)
else:
bert_train_embeddings = None
# Forward
log_p1, log_p2 = model(cw_idxs, qw_idxs, bert_train_embeddings, \
max_context_len, max_question_len, device)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info('Evaluating at step {}...'.format(step))
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2, args)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join('{}: {:05.2f}'.format(k, v)
for k, v in results.items())
log.info('Dev {}'.format(results_str))
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar('dev/{}'.format(k), v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vec = util.torch_from_json(args.char_emb_file)
# Get model
log.info('Building model...')
if args.name == 'baseline':
model = BiDAF(word_vectors=word_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
elif args.name == 'charembeddings':
model = BiDAFChar(word_vectors=word_vectors,
char_vec=char_vec,
word_len=16,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
elif args.name == 'charembeddings2':
model = BiDAFChar2(word_vectors=word_vectors,
char_vec=char_vec,
word_len=16,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
elif args.name == 'qanet':
model = QANet(word_vectors=word_vectors,
char_vec=char_vec,
word_len=16,
emb_size=args.hidden_size,
drop_prob=args.drop_prob,
enc_size=args.enc_size,
n_head=args.n_head,
LN_train=args.ln_train,
DP_residual=args.dp_res,
mask_pos=args.mask_pos,
two_pos=args.two_pos,
total_prob=args.total_drop,
final_prob=args.final_prob)
elif args.name == 'qanet2':
model = QANet2(word_vectors=word_vectors,
char_vec=char_vec,
word_len=16,
emb_size=args.hidden_size,
drop_prob=args.drop_prob,
enc_size=args.enc_size,
n_head=args.n_head,
LN_train=args.ln_train,
DP_residual=args.dp_res,
mask_pos=args.mask_pos,
two_pos=args.two_pos,
rel=args.rel_att,
total_prob=args.total_drop,
final_prob=args.final_prob,
freeze=args.freeze_emb)
elif args.name == 'qanet3':
model = QANet3(word_vectors=word_vectors,
char_vec=char_vec,
word_len=16,
emb_size=args.hidden_size,
drop_prob=args.drop_prob,
enc_size=args.enc_size,
n_head=args.n_head,
LN_train=args.ln_train,
DP_residual=args.dp_res,
mask_pos=args.mask_pos,
two_pos=args.two_pos,
rel=args.rel_att,
total_prob=args.total_drop,
final_prob=args.final_prob,
freeze=args.freeze_emb)
elif args.name == 'qanet4':
model = QANet4(word_vectors=word_vectors,
char_vec=char_vec,
word_len=16,
emb_size=args.hidden_size,
drop_prob=args.drop_prob,
enc_size=args.enc_size,
n_head=args.n_head,
LN_train=args.ln_train,
DP_residual=args.dp_res,
mask_pos=args.mask_pos,
two_pos=args.two_pos,
rel=args.rel_att,
total_prob=args.total_drop,
final_prob=args.final_prob,
freeze=args.freeze_emb)
else:
raise ValueError('Wrong model name')
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
if args.name == 'qanet':
optimizer = optim.Adam(model.parameters(),
args.lr,
betas=(0.8, 0.999),
weight_decay=3 * 1e-7,
eps=1e-7)
scheduler = warmup(optimizer, 1, 2000)
elif args.opt == 'adam':
if args.grad_cent:
optimizer = AdamWGC(model.parameters(),
args.lr,
betas=(0.9, 0.999),
weight_decay=3 * 1e-7,
eps=1e-7,
use_gc=True)
else:
optimizer = AdamW(model.parameters(),
args.lr,
betas=(0.8, 0.999),
weight_decay=3 * 1e-7,
eps=1e-7)
scheduler = warmup(optimizer, 1, 2000)
elif args.opt == 'adadelta':
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=3 * 1e-7)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
elif args.opt == 'sgd':
optimizer = optim.SGD(model.parameters(),
args.lr,
weight_decay=3 * 1e-7)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
i = 0
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0)
# Forward
log_p1, log_p2 = model(cw_idxs, cc_idxs, qw_idxs, qc_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
i += 1
loss /= args.acc_step
# Backward
loss.backward()
if i % args.acc_step == 0:
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step(i // (args.acc_step))
ema(model, i // (args.acc_step))
optimizer.zero_grad()
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0 and i % args.acc_step == 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main():
torch.backends.cudnn.enabled = False
# Make save dir for logfiles and state_dicts
run_name = "optflow_nvidia"
save_path = osp.join("save", run_name)
save_dir = util.get_save_dir(save_path, run_name,
training=True) # unique save dir
log = util.get_logger(save_dir, run_name) # logger
saver = util.CheckpointSaver(
save_dir, # save model
max_checkpoints=10,
maximize_metric=False,
metric_name="MSE",
log=log)
# Data, batches & epochs
max_epoch = 25
batch_size = 32
window = 7
train_loader, val_loader = create_datasplit(batch_size=batch_size,
window=window)
# Model Creation
log.info("Building model")
# model = resnet18(sample_size=(240, 640), sample_duration=2*window+1, shortcut_type="A", num_classes=1)
# model = C3D()
model = nvidia()
device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
model = nn.DataParallel(
model
) # If loading state dict throws KeyError ie. unexpected keys "module.convX.X"
model.to(device)
model.train()
# Possibly load model state_dict here
step = 0
# load_path = 'c3d.pickle'
# log.info('Loading checkpoint from {}...'.format(load_path))
# model.load_state_dict(torch.load(load_path))
# model = util.load_model(model, load_path, 0) # uses the saved step num
# Loss & Optimizer
criterion = nn.MSELoss()
lr = 1e-4
weight_decay = 1e-5
# optimizer = optim.SGD(model.parameters(), lr=lr, momentum=.9, weight_decay=weight_decay)
optimizer = optim.Adam(model.parameters(),
lr=lr,
weight_decay=weight_decay)
# Log args
# log.info('Args: {}'.format(dumps(vars({"lr": lr, "max_epoch": max_epoch, "batch_size": batch_size,
# "window_size": window}), indent=4, sort_keys=True)))
# Initialize epoch and step_to_eval counters
steps_till_eval = int(.4 * len(train_loader.dataset))
epoch = step // len(train_loader.dataset)
while epoch != max_epoch:
epoch += 1
log.info("=============Epoch %i=============" % epoch)
with torch.enable_grad(), tqdm(
total=len(train_loader.dataset)) as progress_bar:
for sample_batch in train_loader:
model.zero_grad() # Zero gradients after each batch
x, y = sample_batch
x = x.to(device)
y = y.to(device)
f = model(x)
loss = criterion(f, y)
loss.backward()
optimizer.step()
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, MSE=loss.item())
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = int(.4 * len(train_loader.dataset))
# Eval on validation set
val_mse = evalu(model, val_loader, device)
# Save checkpoint
saver.save(step, model, val_mse, device)
# Print to console
results_str = "MSE: " + str(val_mse)
log.info('Dev {}'.format(results_str))
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
# Get model
log.info('Building model...')
if args.model_name == 'sketchy':
model = SketchyReader(word_vectors=word_vectors,
char_vectors=char_vectors,
hidden_size=args.hidden_size,
char_embed_drop_prob=args.char_embed_drop_prob,
num_heads=args.num_heads,
drop_prob=args.drop_prob) # SKETCHY
elif args.model_name == 'intensive':
model = IntensiveReader(word_vectors=word_vectors,
char_vectors=char_vectors,
num_heads=args.num_heads,
char_embed_drop_prob=args.char_embed_drop_prob,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob) # INTENSIVE
elif args.model_name == 'retro':
model = RetroQANet(word_vectors=word_vectors,
char_vectors=char_vectors,
hidden_size=args.hidden_size,
num_heads=args.num_heads,
char_embed_drop_prob=args.char_embed_drop_prob,
intensive_path=args.load_path_i,
sketchy_path=args.load_path_s,
gpu_ids=args.gpu_ids,
drop_prob=args.drop_prob) # Outer
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# setup losses
bceLoss = nn.BCELoss()
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(), args.lr,
weight_decay=args.l2_wd)
if args.optim == "adam":
optimizer = optim.Adam(
model.parameters(), 0.001, betas=(0.8, 0.999), eps=1e-7, weight_decay=3e-7)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
counter = 0
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
counter += 1
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
cc_idxs = cc_idxs.to(device)
qc_idxs = qc_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
y1, y2 = y1.to(device), y2.to(device)
if args.model_name == 'sketchy':
yi = model(cw_idxs, qw_idxs, cc_idxs, qc_idxs)
loss = bceLoss(yi, torch.where(
y1 == 0, 0, 1).type(torch.FloatTensor))
elif args.model_name == 'intensive':
yi, log_p1, log_p2 = model(
cw_idxs, qw_idxs, cc_idxs, qc_idxs)
# if counter % 100 == 0:
#print(torch.max(log_p1.exp(), dim=1)[0])
# $print(torch.max(log_p2.exp(), dim=1)[0])
#weights = torch.ones(log_p1.shape[1])
#weights[0] = 2/(log_p1.shape[1])
#nll_loss = nn.NLLLoss(weight=weights.to(device='cuda:0'))
# gt_0 = torch.zeros(yi.shape[0]).to(device)
# gt_1 = torch.ones(yi.shape[0]).to(device)
loss = args.alpha_1 * bceLoss(yi, torch.where(y1 == 0, 0, 1).type(
torch.FloatTensor)) + args.alpha_2 * (F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2))
#loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
elif args.model_name == 'retro':
log_p1, log_p2 = model(cw_idxs, qw_idxs, cc_idxs, qc_idxs)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
else:
raise ValueError(
'invalid --model_name, sketchy or intensive required')
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(
model.parameters(), args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch,
NLL=loss_val)
tbx.add_scalar('train/' + args.model_name, loss_val, step)
tbx.add_scalar('train/LR',
optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2,
model_name=args.model_name,
a1=args.alpha_1,
a2=args.alpha_2)
saver.save(
step, model, results[args.metric_name], device, model_name=args.model_name)
ema.resume(model)
# Log to console
results_str = ', '.join(
f'{k}: {v:05.2f}' for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Load embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
# Build QA model
log.info('Building model...')
model = QA_Model(word_vectors=word_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob,
attention_type=args.attention_type,
train_embeddings=args.train_embeddings)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
# Load QA model from file
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
#optimizer = optim.Adam(model.parameters(), lr=args.lr)
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, qw_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info('Args: {}'.format(dumps(vars(args), indent=4, sort_keys=True)))
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info('Using random seed {}...'.format(args.seed))
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
# Args: word_vectors: word vector tensor of dimension [vocab_size * wemb_dim]
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
# Get Model
log.info('Building Model...')
model = QANet(word_vectors,
char_vectors,
args.para_limit,
args.ques_limit,
args.f_model,
num_head=args.num_head,
train_cemb = (not args.pretrained_char))
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info('Loading checkpoint from {}...'.format(args.load_path))
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
parameters = filter(lambda p: p.requires_grad, model.parameters())
optimizer = optim.Adam(
params=parameters,
lr=args.lr,
betas=(args.beta1, args.beta2),
eps=1e-8,
weight_decay=3e-7)
cr = 1.0 / math.log(args.lr_warm_up_num)
scheduler = optim.lr_scheduler.LambdaLR(
optimizer,
lr_lambda=lambda ee: cr * math.log(ee + 1)
if ee < args.lr_warm_up_num else 1)
loss_f = torch.nn.CrossEntropyLoss()
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info('Starting epoch {}...'.format(epoch))
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
cc_idxs = cc_idxs.to(device)
qc_idxs = qc_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, cc_idxs, qw_idxs, qc_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = torch.mean(loss_f(log_p1, y1) + loss_f(log_p2, y2))
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch,
NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR',
optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info('Evaluating at step {}...'.format(step))
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join('{}: {:05.2f}'.format(k, v)
for k, v in results.items())
log.info('Dev {}'.format(results_str))
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar('dev/{}'.format(k), v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
# Get model
log.info('Building model...')
model = BiDAF(word_vectors=word_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, qw_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
if step % 1000 == 0 and step > 0:
log.info(f'Step {step}: training loss {loss_val}...')
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info('Args: {}'.format(dumps(vars(args), indent=4, sort_keys=True)))
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info('Using random seed {}...'.format(args.seed))
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
# Get model
log.info('Building model...')
model = BiDAF(vectors=(word_vectors, char_vectors),
hidden_size=args.hidden_size,
drop_prob=args.drop_prob,
p_sdd=args.p_sdd,
char_limit=args.char_limit,
use_transformer=args.use_transformer,
inter_size=args.inter_size,
heads=args.heads,
c2w_size=args.c2w_size,
enc_blocks=args.enc_blocks,
enc_convs=args.enc_convs,
mod_blocks=args.mod_blocks,
mod_convs=args.mod_convs,
use_GRU=args.use_GRU)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info('Loading checkpoint from {}...'.format(args.load_path))
model, step = util.load_model(model, args.load_path,
args.gpu_ids) # uses the saved step num
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
# optimizer = optim.Adadelta(model.parameters(), args.lr,
# weight_decay=args.l2_wd)
# The scheduler MULTIPLIES the base LR, NOT replaces
optimizer = optim.Adam(model.parameters(),
1.,
betas=(.9, .98),
eps=1e-9,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(
optimizer, lambda s: 0.001 * math.log(s + 1) / math.log(1000 - 1)
if s < 1000 else 0.001) # Chute (must use math.log, else TypeError)
# scheduler = sched.LambdaLR(optimizer, lambda s: (args.hidden_size**(-.5)) *
# min((s+1e-9)**(-.5), s*(4000**(-1.5)))
# ) # From Vaswani et. al 2017
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info('Starting epoch {}...'.format(epoch))
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
optimizer.zero_grad()
batch_size = cw_idxs.size(0)
cc_idxs = cc_idxs.to(device) # (batch, c_limit, char_limit)
qc_idxs = qc_idxs.to(device)
cw_idxs = cw_idxs.to(device) # (batch, c_limit)
qw_idxs = qw_idxs.to(device)
c_idxs, q_idxs = (cw_idxs, cc_idxs), (qw_idxs, qc_idxs)
# Forward
log_p1, log_p2 = model(c_idxs, q_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
scheduler.step(
step // batch_size
) # By default, schedules per epoch; pass in step # as "epoch"
ema(model, step // batch_size)
# Log info
step += batch_size # Number of examples. Step is usually the number of (mini)-batches
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info('Evaluating at step {}...'.format(step))
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join('{}: {:05.2f}'.format(k, v)
for k, v in results.items())
log.info('Dev {}'.format(results_str))
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar('dev/{}'.format(k), v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
print("in main")
print("args: ", args)
if True:
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info('Args: {}'.format(dumps(vars(args), indent=4, sort_keys=True)))
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info('Using random seed {}...'.format(args.seed))
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
# CHECK IF WE NEED TO USE ALL OF THESE????
word_vectors = util.torch_from_json(args.word_emb_file)
# Get model
log.info('Building model...')
model = BiDAF(word_vectors=word_vectors,
hidden_size=args.hidden_size,
drop_prob=args.drop_prob)
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info('Loading checkpoint from {}...'.format(args.load_path))
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(), args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
print("train dataset!: ", train_dataset)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info('Starting epoch {}...'.format(epoch))
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
# Forward
log_p1, log_p2 = model(cw_idxs, qw_idxs)
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), args.max_grad_norm)
optimizer.step()
scheduler.step(step // batch_size)
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch,
NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR',
optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info('Evaluating at step {}...'.format(step))
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join('{}: {:05.2f}'.format(k, v)
for k, v in results.items())
log.info('Dev {}'.format(results_str))
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar('dev/{}'.format(k), v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def main(args):
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
device, args.gpu_ids = util.get_available_devices()
print(args.gpu_ids)
tbx = SummaryWriter(args.save_dir)
#this lets use save model
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=15,
metric_name='accuracy',
maximize_metric=True,
log=log)
#build model here
log.info("Building model")
#model = VGGLinear()
#model = Baseline(8 * 96 * 64)
#model = VGGLSTM()
#model = Resnet()
model = TimeCNN()
model = model.double()
print('bbefore data parallel')
model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info("Loading checkpoints")
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
print('before to device')
model = model.to(device)
model.train()
#optimizer = optim.Adam(model.parameters(), lr = 0.001, betas=(.9,.999), eps=1e-08)
# These are the parameters with the VGGLinear
#optimizer = optim.Adam(model.parameters(), lr = 0.001, betas=(.9,.999), eps=1e-08, weight_decay=.001)
log.info("Building Dataset")
# These are the parameters that worked with the best TimeCNN model
optimizer = optim.Adam(model.parameters(),
lr=1e-3,
betas=(.9, .999),
eps=1e-08,
weight_decay=.005)
train_dataset = Shots("videos/train.h5py", "labels/train.npy")
train_loader = data.DataLoader(train_dataset,
batch_size=BATCH_SIZE,
shuffle=True,
num_workers=4,
collate_fn=collate_fn)
dev_dataset = Shots("videos/dev.h5py", "labels/dev.npy")
dev_loader = data.DataLoader(dev_dataset,
batch_size=BATCH_SIZE,
shuffle=False,
num_workers=4,
collate_fn=collate_fn)
#print(len(train_loader.dataset))
log.info("Training")
steps_til_eval = 2000
for epoch in range(30):
with torch.enable_grad(), tqdm(
total=len(train_loader.dataset)) as progress_bar:
for frames, ys in train_loader:
batch_size = frames.shape[0]
step += batch_size
frames = frames.to(device)
ys = ys.to(device)
optimizer.zero_grad()
#forwards pass
scores = model(frames)
loss = F.cross_entropy(scores, ys)
loss_val = loss.item()
#Backwards pass
loss.backward()
optimizer.step()
#some logging
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
steps_til_eval -= batch_size
if steps_til_eval <= 0:
steps_til_eval = 2000
results, loss = evaluate(model, dev_loader, device)
# save checkpoint
saver.save(step, model, results, device)
log.info("Dev Accuracy " + str(results))
log.info("Dev loss " + str(loss))
#logging to tensorboard
tbx.add_scalar('dev_accuracy', results, step)
tbx.add_scalar("dev_loss", loss, step)
tbx.close()