def main(opts):
if opts.exp_number is not None:
opts.exp_name = opts.exp_name + '_' + opts.exp_number
opts.dataset = 'datasets/%s' % opts.dataset
tb_logger = set_tb_logger('{}/{}'.format(opts.log_dir, opts.model), opts.exp_name, opts.resume)
best_SPD, best_TC = float("inf"), 0.0
# Load data
if opts.model == 'vlntrans':
opts.max_instr_len = 512
vocab_file = "%s/vocab/vlntrans_vocab.txt" % opts.dataset
tokenizer = tx.data.BERTTokenizer(pretrained_model_name='bert-base-uncased',
hparams={'vocab_file': vocab_file})
else:
vocab_file = "%s/vocab/nobert_vocab.txt" % opts.dataset
vocab = read_vocab(vocab_file)
tokenizer = Tokenizer(vocab=vocab, encoding_length=opts.max_instr_len)
features, img_size = load_features(opts.img_feat_dir)
train_env = TouchdownBatch(opts, features, img_size, batch_size=opts.batch_size, seed=opts.seed,
splits=['train'], tokenizer=tokenizer, name="train")
val_env = TouchdownBatch(opts, features, img_size, batch_size=opts.batch_size, seed=opts.seed,
splits=['dev'], tokenizer=tokenizer, name="eval")
# Build model, optimizers, agent and trainer
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
if opts.model == 'vlntrans':
instr_encoder = tx.modules.BERTEncoder(pretrained_model_name='bert-base-uncased').to(device)
model = VLNTransformer().to(device)
text_linear = nn.Linear(768, opts.hidden_dim).to(device)
pano_encoder = Conv_net(opts).to(device)
bert_params = list(instr_encoder.parameters())
bert_optimizer = torch.optim.Adam(bert_params, lr=opts.bert_lr, weight_decay=opts.weight_decay)
other_params = list(pano_encoder.parameters()) + list(model.parameters()) + list(text_linear.parameters())
optimizer = torch.optim.Adam(other_params, lr=opts.lr, weight_decay=opts.weight_decay)
instr_encoder = nn.DataParallel(instr_encoder)
text_linear = nn.DataParallel(text_linear)
pano_encoder = nn.DataParallel(pano_encoder)
model = nn.DataParallel(model)
if opts.resume:
model, instr_encoder, text_linear, pano_encoder, optimizer, bert_optimizer, best_SPD, best_TC = \
resume_training(opts, model, instr_encoder, text_linear=text_linear, pano_encoder=pano_encoder,
optimizer=optimizer, bert_optimizer=bert_optimizer)
agent = TouchdownVLNTransformer(opts, train_env, instr_encoder, pano_encoder, text_linear, model)
trainer = TouchdownTrainer(opts, agent, optimizer, bert_optimizer)
else:
instr_encoder = Embed_RNN(len(vocab)).to(device)
model = RConcat(opts).to(device) if opts.model == 'rconcat' else GA(opts).to(device)
params = list(instr_encoder.parameters()) + list(model.parameters())
optimizer = torch.optim.Adam(params, lr=opts.lr, weight_decay=opts.weight_decay)
if opts.resume:
model, instr_encoder, optimizer, best_SPD, best_TC = \
resume_training(opts, model, instr_encoder, optimizer=optimizer)
agent = TouchdownRConcat(opts, train_env, instr_encoder, model) if opts.model == 'rconcat' else TouchdownGA(opts, train_env, instr_encoder, model)
trainer = TouchdownTrainer(opts, agent, optimizer)
# Evaluation on dev set and test set
if opts.test:
assert opts.resume, 'The model was not resumed.'
test_env = TouchdownBatch(opts, features, img_size, batch_size=opts.batch_size, seed=opts.seed,
splits=['test'], tokenizer=tokenizer, name='test')
epoch = opts.start_epoch - 1
trainer.eval_(epoch, val_env)
trainer.eval_(epoch, test_env)
return
for epoch in range(opts.start_epoch, opts.max_num_epochs + 1):
trainer.train(epoch, train_env, tb_logger)
if epoch % opts.eval_every_epochs == 0:
TC, SPD = trainer.eval_(epoch, val_env, tb_logger=tb_logger)
is_best_SPD = SPD <= best_SPD
best_SPD = min(SPD, best_SPD)
is_best_TC = TC >= best_TC
best_TC = max(TC, best_TC)
print("--> Best dev SPD: {}, best dev TC: {}".format(best_SPD, best_TC))
ckpt = {
'opts': opts,
'epoch': epoch + 1,
'model_state_dict': model.state_dict(),
'instr_encoder_state_dict': instr_encoder.state_dict(),
'best_SPD': best_SPD,
'best_TC': best_TC,
'optimizer': optimizer.state_dict()
}
if opts.model == 'vlntrans':
ckpt['pano_encoder_state_dict'] = pano_encoder.state_dict()
ckpt['text_linear_state_dict'] = text_linear.state_dict()
ckpt['bert_optimizer'] = bert_optimizer.state_dict()
save_checkpoint(ckpt, is_best_SPD, is_best_TC, epoch=epoch)
print("--> Finished training")
def main(opts):
# set manual_seed and build vocab
print(opts, flush=True)
setup(opts, opts.seed)
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
print(f"Usando {device} :)")
# create a batch training environment that will also preprocess text
vocab = read_vocab(opts.train_vocab)
tok = Tokenizer(opts.remove_punctuation == 1, opts.reversed == 1, vocab=vocab, encoding_length=opts.max_cap_length)
# create language instruction encoder
encoder_kwargs = {
'opts': opts,
'vocab_size': len(vocab),
'embedding_size': opts.word_embedding_size,
'hidden_size': opts.rnn_hidden_size,
'padding_idx': padding_idx,
'dropout_ratio': opts.rnn_dropout,
'bidirectional': opts.bidirectional == 1,
'num_layers': opts.rnn_num_layers
}
print('Using {} as encoder ...'.format(opts.lang_embed))
if 'lstm' in opts.lang_embed:
encoder = EncoderRNN(**encoder_kwargs)
else:
raise ValueError('Unknown {} language embedding'.format(opts.lang_embed))
print(encoder)
# create policy model
policy_model_kwargs = {
'opts':opts,
'img_fc_dim': opts.img_fc_dim,
'img_fc_use_batchnorm': opts.img_fc_use_batchnorm == 1,
'img_dropout': opts.img_dropout,
'img_feat_input_dim': opts.img_feat_input_dim,
'rnn_hidden_size': opts.rnn_hidden_size,
'rnn_dropout': opts.rnn_dropout,
'max_len': opts.max_cap_length,
'max_navigable': opts.max_navigable
}
if opts.arch == 'regretful':
model = Regretful(**policy_model_kwargs)
elif opts.arch == 'self-monitoring':
model = SelfMonitoring(**policy_model_kwargs)
elif opts.arch == 'speaker-baseline':
model = SpeakerFollowerBaseline(**policy_model_kwargs)
else:
raise ValueError('Unknown {} model for seq2seq agent'.format(opts.arch))
print(model)
encoder = encoder.to(device)
model = model.to(device)
params = list(encoder.parameters()) + list(model.parameters())
optimizer = torch.optim.Adam(params, lr=opts.learning_rate)
# optionally resume from a checkpoint
if opts.resume:
model, encoder, optimizer, best_success_rate = resume_training(opts, model, encoder, optimizer)
# if a secondary exp name is specified, this is useful when resuming from a previous saved
# experiment and save to another experiment, e.g., pre-trained on synthetic data and fine-tune on real data
if opts.exp_name_secondary:
opts.exp_name += opts.exp_name_secondary
feature, img_spec = load_features(opts.img_feat_dir, opts.blind)
if opts.test_submission:
assert opts.resume, 'The model was not resumed before running for submission.'
test_env = ('test', (R2RPanoBatch(opts, feature, img_spec, batch_size=opts.batch_size,
splits=['test'], tokenizer=tok), Evaluation(['test'], opts)))
agent_kwargs = {
'opts': opts,
'env': test_env[1][0],
'results_path': "",
'encoder': encoder,
'model': model,
'feedback': opts.feedback
}
agent = PanoSeq2SeqAgent(**agent_kwargs)
# setup trainer
trainer = PanoSeq2SeqTrainer(opts, agent, optimizer)
epoch = opts.start_epoch - 1
trainer.eval(epoch, test_env)
return
# set up R2R environments
if not opts.train_data_augmentation:
train_env = R2RPanoBatch(opts, feature, img_spec, batch_size=opts.batch_size, seed=opts.seed,
splits=['train'], tokenizer=tok)
else:
train_env = R2RPanoBatch(opts, feature, img_spec, batch_size=opts.batch_size, seed=opts.seed,
splits=['synthetic'], tokenizer=tok)
val_craft_splits = ['craft_seen', 'craft_unseen']
val_splits = ['val_seen', 'val_unseen']
if opts.craft_eval:
val_splits += val_craft_splits
val_envs = {split: (R2RPanoBatch(opts, feature, img_spec, batch_size=opts.batch_size,
splits=[split], tokenizer=tok), Evaluation([split], opts))
for split in val_splits}
# create agent
agent_kwargs = {
'opts': opts,
'env': train_env,
'results_path': "",
'encoder': encoder,
'model': model,
'feedback': opts.feedback
}
agent = PanoSeq2SeqAgent(**agent_kwargs)
# setup trainer
trainer = PanoSeq2SeqTrainer(opts, agent, optimizer, opts.train_iters_epoch)
if opts.eval_only:
success_rate = []
for val_env in val_envs.items():
success_rate.append(trainer.eval(opts.start_epoch - 1, val_env, tb_logger=None))
return
# set up tensorboard logger
tb_logger = set_tb_logger(opts.log_dir, opts.exp_name, opts.resume)
sys.stdout.flush()
best_success_rate = best_success_rate if opts.resume else 0.0
for epoch in range(opts.start_epoch, opts.max_num_epochs + 1):
trainer.train(epoch, train_env, tb_logger)
if epoch % opts.eval_every_epochs == 0:
success_rate = []
for val_env in val_envs.items():
success_rate.append(trainer.eval(epoch, val_env, tb_logger))
success_rate_compare = success_rate[1]
if is_experiment():
# remember best val_seen success rate and save checkpoint
is_best = success_rate_compare >= best_success_rate
best_success_rate = max(success_rate_compare, best_success_rate)
print("--> Highest val_unseen success rate: {}".format(best_success_rate))
sys.stdout.flush()
# save the model if it is the best so far
save_checkpoint({
'opts': opts,
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'encoder_state_dict': encoder.state_dict(),
'best_success_rate': best_success_rate,
'optimizer': optimizer.state_dict(),
'max_episode_len': opts.max_episode_len,
}, is_best, checkpoint_dir=opts.checkpoint_dir, name=opts.exp_name)
if opts.train_data_augmentation and epoch == opts.epochs_data_augmentation:
train_env = R2RPanoBatch(opts, feature, img_spec, batch_size=opts.batch_size, seed=opts.seed,
splits=['train'], tokenizer=tok)
print("--> Finished training")
def main(opts):
# set manual_seed and build vocab
setup(opts, opts.seed)
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
# create a batch training environment that will also preprocess text
vocab = read_vocab(opts.train_vocab)
tok = Tokenizer(
opts.remove_punctuation == 1,
opts.reversed == 1,
vocab=vocab,
encoding_length=opts.max_cap_length,
)
# create language instruction encoder
encoder_kwargs = {
"opts": opts,
"vocab_size": len(vocab),
"embedding_size": opts.word_embedding_size,
"hidden_size": opts.rnn_hidden_size,
"padding_idx": padding_idx,
"dropout_ratio": opts.rnn_dropout,
"bidirectional": opts.bidirectional == 1,
"num_layers": opts.rnn_num_layers,
}
print("Using {} as encoder ...".format(opts.lang_embed))
if "lstm" in opts.lang_embed:
encoder = EncoderRNN(**encoder_kwargs)
else:
raise ValueError("Unknown {} language embedding".format(
opts.lang_embed))
print(encoder)
# create policy model
policy_model_kwargs = {
"opts": opts,
"img_fc_dim": opts.img_fc_dim,
"img_fc_use_batchnorm": opts.img_fc_use_batchnorm == 1,
"img_dropout": opts.img_dropout,
"img_feat_input_dim": opts.img_feat_input_dim,
"rnn_hidden_size": opts.rnn_hidden_size,
"rnn_dropout": opts.rnn_dropout,
"max_len": opts.max_cap_length,
"max_navigable": opts.max_navigable,
}
if opts.arch == "self-monitoring":
model = SelfMonitoring(**policy_model_kwargs)
elif opts.arch == "speaker-baseline":
model = SpeakerFollowerBaseline(**policy_model_kwargs)
else:
raise ValueError("Unknown {} model for seq2seq agent".format(
opts.arch))
print(model)
encoder = encoder.to(device)
model = model.to(device)
params = list(encoder.parameters()) + list(model.parameters())
optimizer = torch.optim.Adam(params, lr=opts.learning_rate)
# optionally resume from a checkpoint
if opts.resume:
model, encoder, optimizer, best_success_rate = resume_training(
opts, model, encoder, optimizer)
# if a secondary exp name is specified, this is useful when resuming from a previous saved
# experiment and save to another experiment, e.g., pre-trained on synthetic data and fine-tune on real data
if opts.exp_name_secondary:
opts.exp_name += opts.exp_name_secondary
feature, img_spec = load_features(opts.img_feat_dir)
if opts.test_submission:
assert (opts.resume
), "The model was not resumed before running for submission."
test_env = (
"test",
(
R2RPanoBatch(
opts,
feature,
img_spec,
batch_size=opts.batch_size,
splits=["test"],
tokenizer=tok,
),
Evaluation(["test"]),
),
)
agent_kwargs = {
"opts": opts,
"env": test_env[1][0],
"results_path": "",
"encoder": encoder,
"model": model,
"feedback": opts.feedback,
}
agent = PanoSeq2SeqAgent(**agent_kwargs)
# setup trainer
trainer = PanoSeq2SeqTrainer(opts, agent, optimizer)
epoch = opts.start_epoch - 1
trainer.eval(epoch, test_env)
return
# set up R2R environments
if not opts.train_data_augmentation:
train_env = R2RPanoBatch(
opts,
feature,
img_spec,
batch_size=opts.batch_size,
seed=opts.seed,
splits=["train"],
tokenizer=tok,
)
else:
train_env = R2RPanoBatch(
opts,
feature,
img_spec,
batch_size=opts.batch_size,
seed=opts.seed,
splits=["synthetic"],
tokenizer=tok,
)
val_envs = {
split: (
R2RPanoBatch(
opts,
feature,
img_spec,
batch_size=opts.batch_size,
splits=[split],
tokenizer=tok,
),
Evaluation([split]),
)
for split in ["val_seen", "val_unseen"]
}
# create agent
agent_kwargs = {
"opts": opts,
"env": train_env,
"results_path": "",
"encoder": encoder,
"model": model,
"feedback": opts.feedback,
}
agent = PanoSeq2SeqAgent(**agent_kwargs)
# setup trainer
trainer = PanoSeq2SeqTrainer(opts, agent, optimizer,
opts.train_iters_epoch)
if opts.eval_beam or opts.eval_only:
success_rate = []
for val_env in val_envs.items():
success_rate.append(
trainer.eval(opts.start_epoch - 1, val_env, tb_logger=None))
return
# set up tensorboard logger
tb_logger = set_tb_logger(opts.log_dir, opts.exp_name, opts.resume)
best_success_rate = best_success_rate if opts.resume else 0.0
for epoch in range(opts.start_epoch, opts.max_num_epochs + 1):
trainer.train(epoch, train_env, tb_logger)
if epoch % opts.eval_every_epochs == 0:
success_rate = []
for val_env in val_envs.items():
success_rate.append(trainer.eval(epoch, val_env, tb_logger))
success_rate_compare = success_rate[1]
if is_experiment():
# remember best val_seen success rate and save checkpoint
is_best = success_rate_compare >= best_success_rate
best_success_rate = max(success_rate_compare,
best_success_rate)
print("--> Highest val_unseen success rate: {}".format(
best_success_rate))
# save the model if it is the best so far
save_checkpoint(
{
"opts": opts,
"epoch": epoch + 1,
"state_dict": model.state_dict(),
"encoder_state_dict": encoder.state_dict(),
"best_success_rate": best_success_rate,
"optimizer": optimizer.state_dict(),
"max_episode_len": opts.max_episode_len,
},
is_best,
checkpoint_dir=opts.checkpoint_dir,
name=opts.exp_name,
)
if (opts.train_data_augmentation
and epoch == opts.epochs_data_augmentation):
train_env = R2RPanoBatch(
opts,
feature,
img_spec,
batch_size=opts.batch_size,
seed=opts.seed,
splits=["train"],
tokenizer=tok,
)
print("--> Finished training")