def main():
# Argument passing/parsing
args, model_args = config_utils.initialize_argparser(
MODELS, _command_args, custom_argparsers.DialogArgumentParser)
hparams, hparams_dict = config_utils.create_or_load_hparams(
args, model_args, args.cfg)
pprint(hparams_dict)
# Set environment variables & gpus
set_logger()
set_gpus(hparams.gpus)
set_tcmalloc()
gpus = tf.config.experimental.list_physical_devices('GPU')
tf.config.experimental.set_visible_devices(gpus, 'GPU')
for gpu in gpus:
tf.config.experimental.set_memory_growth(gpu, True)
# Set random seed
tf.random.set_seed(hparams.random_seed)
np.random.seed(hparams.random_seed)
random.seed(hparams.random_seed)
# For multi-gpu
if hparams.num_gpus > 1:
mirrored_strategy = tf.distribute.MirroredStrategy() # NCCL will be used as default
else:
mirrored_strategy = None
# Download BERT pretrained model
if not os.path.exists(hparams.bert_dir):
os.makedirs(hparams.bert_dir)
fname = 'uncased_L-12_H-768_A-12.zip'
gd_id = '17rfV9CleFBwwfS7m5Yd72vvxdPLWBHl6'
download_from_google_drive(gd_id, os.path.join(hparams.bert_dir, fname))
unzip(hparams.bert_dir, fname)
# Make dataset reader
os.makedirs(hparams.cache_dir, exist_ok=True)
if hparams.data_name == "wizard_of_wikipedia":
reader_cls = WowDatasetReader
elif hparams.data_name == "holle":
reader_cls = HolleDatasetReader
else:
raise ValueError("data_name must be one of 'wizard_of_wikipedia' and 'holle'")
reader = reader_cls(
hparams.batch_size, hparams.num_epochs,
buffer_size=hparams.buffer_size,
bucket_width=hparams.bucket_width,
max_length=hparams.max_length,
max_episode_length=hparams.max_episode_length,
max_knowledge=hparams.max_knowledge,
knowledge_truncate=hparams.knowledge_truncate,
cache_dir=hparams.cache_dir,
bert_dir=hparams.bert_dir,
)
train_dataset, iters_in_train = reader.read('train', mirrored_strategy)
test_dataset, iters_in_test = reader.read('test', mirrored_strategy)
if hparams.data_name == 'wizard_of_wikipedia':
unseen_dataset, iters_in_unseen = reader.read('test_unseen', mirrored_strategy)
vocabulary = reader.vocabulary
# Build model & optimizer & trainer
if mirrored_strategy:
with mirrored_strategy.scope():
model = MODELS[hparams.model](hparams, vocabulary)
optimizer = tf.keras.optimizers.Adam(learning_rate=hparams.init_lr,
clipnorm=hparams.clipnorm)
else:
model = MODELS[hparams.model](hparams, vocabulary)
optimizer = tf.keras.optimizers.Adam(learning_rate=hparams.init_lr,
clipnorm=hparams.clipnorm)
trainer = Trainer(model, optimizer, mirrored_strategy,
hparams.enable_function,
WowDatasetReader.remove_pad)
# misc (tensorboard, checkpoints)
file_writer = tf.summary.create_file_writer(hparams.checkpoint_dir)
file_writer.set_as_default()
global_step = tf.compat.v1.train.get_or_create_global_step()
checkpoint = tf.train.Checkpoint(optimizer=optimizer,
model=model,
optimizer_step=global_step)
checkpoint_manager = tf.train.CheckpointManager(checkpoint,
directory=hparams.checkpoint_dir,
max_to_keep=hparams.max_to_keep)
checkpoint_tracker = CheckpointTracker(
hparams.checkpoint_dir, max_to_keep=BEST_N_CHECKPOINTS)
# Main loop!
train_dataset_iter = iter(train_dataset)
for epoch in range(hparams.num_epochs):
print(hparams.checkpoint_dir)
base_description = f"(Train) Epoch {epoch}, GPU {hparams.gpus}"
train_tqdm = trange(iters_in_train, ncols=120, desc=base_description)
for current_step in train_tqdm:
example = next(train_dataset_iter)
global_step.assign_add(1)
_global_step = int(global_step)
# Train
output_dict = trainer.train_step(example)
# Print model
if _global_step == 1:
model.print_model()
loss_str = str(output_dict['loss'].numpy())
train_tqdm.set_description(f"{base_description}, Loss {loss_str}")
with file_writer.as_default():
if _global_step % int(hparams.logging_step) == 0:
tf.summary.histogram('train/vocab', output_dict['sample_ids'], step=_global_step)
tf.summary.scalar('train/loss', output_dict['loss'], step=_global_step)
tf.summary.scalar('train/gen_loss', output_dict['gen_loss'], step=_global_step)
tf.summary.scalar('train/knowledge_loss', output_dict['knowledge_loss'], step=_global_step)
tf.summary.scalar('train/kl_loss', output_dict['kl_loss'], step=_global_step)
# Test
if _global_step % int(iters_in_train * hparams.evaluation_epoch) == 0:
checkpoint_manager.save(global_step)
test_loop_outputs = trainer.test_loop(test_dataset, iters_in_test, epoch, 'seen')
if hparams.data_name == 'wizard_of_wikipedia':
unseen_loop_outputs = trainer.test_loop(unseen_dataset, iters_in_unseen, epoch, 'unseen')
test_summaries, log_dict = run_wow_evaluation(
test_loop_outputs, hparams.checkpoint_dir, 'seen')
if hparams.data_name == 'wizard_of_wikipedia':
unseen_summaries, unseen_log_dict = run_wow_evaluation(
unseen_loop_outputs, hparams.checkpoint_dir, 'unseen')
# Logging
tqdm.write(colorful.bold_green("seen").styled_string)
tqdm.write(colorful.bold_red(pformat(log_dict)).styled_string)
if hparams.data_name == 'wizard_of_wikipedia':
tqdm.write(colorful.bold_green("unseen").styled_string)
tqdm.write(colorful.bold_red(pformat(unseen_log_dict)).styled_string)
with file_writer.as_default():
for family, test_summary in test_summaries.items():
for key, value in test_summary.items():
tf.summary.scalar(f'{family}/{key}', value, step=_global_step)
if hparams.data_name == 'wizard_of_wikipedia':
for family, unseen_summary in unseen_summaries.items():
for key, value in unseen_summary.items():
tf.summary.scalar(f'{family}/{key}', value, step=_global_step)
if hparams.keep_best_checkpoint:
current_score = log_dict["rouge1"]
checkpoint_tracker.update(current_score, _global_step)
def main():
# Argument passing/parsing
args, model_args = config_utils.initialize_argparser(
MODELS, _command_args, custom_argparsers.DialogArgumentParser)
hparams, hparams_dict = config_utils.create_or_load_hparams(
args, model_args, args.cfg)
pprint(hparams_dict)
if hparams.test_mode == 'wow':
os.makedirs('./tmp', exist_ok=True)
if not os.path.exists('tmp/wow_pretrained'):
fname = 'wow_pretrained.zip'
gd_id = '1lkF1QENr45j0vl-Oja3wEiqkxoNTxkXT'
colorlog.info(f"Download pretrained checkpoint {fname}")
download_from_google_drive(gd_id, os.path.join('tmp', fname))
unzip('tmp', fname)
ckpt_fname = os.path.join('tmp/wow_pretrained', 'ckpt-46070')
elif hparams.test_mode == "holle_1":
os.makedirs('./tmp', exist_ok=True)
if not os.path.exists('tmp/holle_pretrained_1'):
fname = 'holle_pretrained_1.zip'
gd_id = '1o1-Gv5PScxlSzxW6DyZnSp3gDI5zXOhh'
colorlog.info(f"Download pretrained checkpoint {fname}")
download_from_google_drive(gd_id, os.path.join('tmp', fname))
unzip('tmp', fname)
ckpt_fname = os.path.join('tmp/holle_pretrained_1', 'ckpt-1th-best')
elif hparams.test_mode == "holle_2":
os.makedirs('./tmp', exist_ok=True)
if not os.path.exists('tmp/holle_pretrained_2'):
fname = 'holle_pretrained_2.zip'
gd_id = '13FkCjuC0aBEenlSf-NAAgOfoWVPhqFSc'
colorlog.info(f"Download pretrained checkpoint {fname}")
download_from_google_drive(gd_id, os.path.join('tmp', fname))
unzip('tmp', fname)
ckpt_fname = os.path.join('tmp/holle_pretrained_2', 'ckpt-1th-best')
else:
raise ValueError("'wow' and 'holle' is currently supported")
# Set environment variables & gpus
set_logger()
set_gpus(hparams.gpus)
set_tcmalloc()
gpus = tf.config.experimental.list_physical_devices('GPU')
tf.config.experimental.set_visible_devices(gpus, 'GPU')
for gpu in gpus:
tf.config.experimental.set_memory_growth(gpu, True)
# Set random seed
tf.random.set_seed(hparams.random_seed)
np.random.seed(hparams.random_seed)
random.seed(hparams.random_seed)
# For multi-gpu
if hparams.num_gpus > 1:
mirrored_strategy = tf.distribute.MirroredStrategy(
) # NCCL will be used as default
else:
mirrored_strategy = None
# Download BERT pretrained model
if not os.path.exists(hparams.bert_dir):
os.makedirs(hparams.bert_dir)
fname = 'uncased_L-12_H-768_A-12.zip'
gd_id = '17rfV9CleFBwwfS7m5Yd72vvxdPLWBHl6'
download_from_google_drive(gd_id, os.path.join(hparams.bert_dir,
fname))
unzip(hparams.bert_dir, fname)
# Make dataset reader
os.makedirs(hparams.cache_dir, exist_ok=True)
if hparams.data_name == 'wizard_of_wikipedia':
reader_cls = WowDatasetReader
elif hparams.data_name == 'holle':
reader_cls = HolleDatasetReader
else:
raise ValueError(
"data_name must be one of 'wizard_of_wikipedia' and 'holle'")
reader = reader_cls(
hparams.batch_size,
hparams.num_epochs,
buffer_size=hparams.buffer_size,
bucket_width=hparams.bucket_width,
max_length=hparams.max_length,
max_episode_length=hparams.max_episode_length,
max_knowledge=hparams.max_knowledge,
knowledge_truncate=hparams.knowledge_truncate,
cache_dir=hparams.cache_dir,
bert_dir=hparams.bert_dir,
)
train_dataset, iters_in_train = reader.read('train', mirrored_strategy)
test_dataset, iters_in_test = reader.read('test', mirrored_strategy)
if hparams.data_name == 'wizard_of_wikipedia':
unseen_dataset, iters_in_unseen = reader.read('test_unseen',
mirrored_strategy)
vocabulary = reader.vocabulary
# Build model & optimizer & trainer
if mirrored_strategy:
with mirrored_strategy.scope():
model = MODELS[hparams.model](hparams, vocabulary)
optimizer = tf.keras.optimizers.Adam(learning_rate=hparams.init_lr,
clipnorm=hparams.clipnorm)
else:
model = MODELS[hparams.model](hparams, vocabulary)
optimizer = tf.keras.optimizers.Adam(learning_rate=hparams.init_lr,
clipnorm=hparams.clipnorm)
trainer = Trainer(model, optimizer, mirrored_strategy,
hparams.enable_function, WowDatasetReader.remove_pad)
# Setup checkpoint
global_step = tf.compat.v1.train.get_or_create_global_step()
checkpoint = tf.train.Checkpoint(optimizer=optimizer,
model=model,
optimizer_step=global_step)
# Load
train_example = next(iter(train_dataset))
_ = trainer.train_step(train_example)
#checkpoint.restore(ckpt_fname).assert_consumed()
#checkpoint.restore(ckpt_fname).expect_partial()
checkpoint.restore(ckpt_fname)
# Test
test_loop_outputs = trainer.test_loop(test_dataset, iters_in_test, 0,
'seen')
if hparams.data_name == 'wizard_of_wikipedia':
unseen_loop_outputs = trainer.test_loop(unseen_dataset,
iters_in_unseen, 0, 'unseen')
test_summaries, log_dict = run_wow_evaluation(test_loop_outputs,
hparams.checkpoint_dir,
'seen')
if hparams.data_name == 'wizard_of_wikipedia':
unseen_summaries, unseen_log_dict = run_wow_evaluation(
unseen_loop_outputs, hparams.checkpoint_dir, 'unseen')
# Logging
tqdm.write(colorful.bold_green("seen").styled_string)
tqdm.write(colorful.bold_red(pformat(log_dict)).styled_string)
if hparams.data_name == 'wizard_of_wikipedia':
tqdm.write(colorful.bold_green("unseen").styled_string)
tqdm.write(colorful.bold_red(pformat(unseen_log_dict)).styled_string)