def load(path, fields_tuples, current_gpu_id):
options = opts.load(path, name=constants.COMMUNICATION_CONFIG)
# set gpu device to the current device
options.gpu_id = current_gpu_id
# hack: set dummy loss_weights (the correct values are going to be loaded)
target_field = dict(fields_tuples)['target']
loss_weights = None
if options.loss_weights == 'balanced':
loss_weights = [0] * (len(target_field.vocab) - 1)
explainer = build(options, fields_tuples, loss_weights)
load_state(path, explainer)
return explainer
def load(path, fields_tuples, current_gpu_id):
options = opts.load(path)
# set gpu device to the current device
options.gpu_id = current_gpu_id
# hack: set dummy loss_weights (the correct values are going to be loaded)
target_field = dict(fields_tuples)['target']
loss_weights = None
if options.loss_weights == 'balanced':
loss_weights = [0] * (len(target_field.vocab) - 1)
model = build(options, fields_tuples, loss_weights)
load_state(path, model)
return model
def load(path):
options = opts.load(path)
return build(options)
def load(path, optim):
options = opts.load(path)
scheduler = build(options, optim)
load_state(path, scheduler)
return scheduler
def run(options):
logger.info('Running with options: {}'.format(options))
fields_tuples = available_corpora[options.corpus].create_fields_tuples()
logger.info('Building train corpus: {}'.format(options.train_path))
train_dataset = dataset.build(options.train_path, fields_tuples, options)
logger.info('Building train iterator...')
train_iter = iterator.build(train_dataset,
options.gpu_id,
options.train_batch_size,
is_train=True,
lazy=options.lazy_loading)
dev_dataset = None
dev_iter = None
if options.dev_path is not None:
logger.info('Building dev dataset: {}'.format(options.dev_path))
dev_dataset = dataset.build(options.dev_path, fields_tuples, options)
logger.info('Building dev iterator...')
dev_iter = iterator.build(dev_dataset,
options.gpu_id,
options.dev_batch_size,
is_train=False,
lazy=options.lazy_loading)
test_dataset = None
test_iter = None
if options.test_path is not None:
logger.info('Building test dataset: {}'.format(options.test_path))
test_dataset = dataset.build(options.test_path, fields_tuples, options)
logger.info('Building test iterator...')
test_iter = iterator.build(test_dataset,
options.gpu_id,
options.dev_batch_size,
is_train=False,
lazy=options.lazy_loading)
datasets = [train_dataset, dev_dataset, test_dataset]
datasets = list(filter(lambda x: x is not None, datasets))
# BUILD
if not options.load:
logger.info('Building vocabulary...')
fields.build_vocabs(fields_tuples, train_dataset, datasets, options)
loss_weights = None
if options.loss_weights == 'balanced':
loss_weights = train_dataset.get_loss_weights()
logger.info('Building classifier...')
classifier = models.build(options, fields_tuples, loss_weights)
logger.info('Building classifier optimizer...')
classifier_optim = optimizer.build(options, classifier.parameters())
logger.info('Building classifier scheduler...')
classifier_sched = scheduler.build(options, classifier_optim)
# OR LOAD
else:
logger.info('Loading vocabularies...')
fields.load_vocabs(options.load, fields_tuples)
logger.info('Loading vectors...')
vectors = fields.load_vectors(options)
if vectors is not None:
train_dataset.fields['words'].vocab.load_vectors(vectors)
logger.info('Loading classifier...')
classifier = models.load(options.load, fields_tuples, options.gpu_id)
loss_weights = classifier._loss.weight
logger.info('Loading classifier optimizer...')
classifier_optim = optimizer.load(options.load,
classifier.parameters())
logger.info('Loading classifier scheduler...')
classifier_sched = scheduler.load(options.load, classifier_optim)
# STATS
logger.info('Number of training examples: {}'.format(len(train_dataset)))
if dev_dataset:
logger.info('Number of dev examples: {}'.format(len(dev_dataset)))
if test_dataset:
logger.info('Number of test examples: {}'.format(len(test_dataset)))
for name, field in fields_tuples:
if field.use_vocab:
logger.info('{} vocab size: {}'.format(name, len(field.vocab)))
if name == 'target':
logger.info('target vocab: {}'.format(field.vocab.stoi))
# BUILD COMMUNICATION
if not options.load_communication:
logger.info('Building explainer...')
explainer = explainers.build(options, fields_tuples, loss_weights)
logger.info('Building explainer optimizer...')
explainer_optim = optimizer.build(options, explainer.parameters())
logger.info('Building layman...')
msg_size = explainer.get_output_size()
layman = laymen.build(options, fields_tuples, msg_size, loss_weights)
logger.info('Building layman optimizer...')
layman_optim = optimizer.build(options, layman.parameters())
# OR LOAD COMMUNICATION
else:
logger.info('Loading explainer...')
explainer = explainers.load(options.load_communication, fields_tuples,
options.gpu_id)
logger.info('Loading explainer optimizer...')
explainer_optim = optimizer.load(
options.load_communication,
explainer.parameters(),
name=constants.EXPLAINER_OPTIMIZER,
config_name=constants.COMMUNICATION_CONFIG)
logger.info('Loading layman...')
msg_size = explainer.get_output_size()
layman = laymen.load(options.load_communication, fields_tuples,
msg_size, options.gpu_id)
logger.info('Loading layman optimizer...')
layman_optim = optimizer.load(
options.load_communication,
layman.parameters(),
name=constants.LAYMAN_OPTIMIZER,
config_name=constants.COMMUNICATION_CONFIG)
logger.info('Classifier info: ')
logger.info(str(classifier))
logger.info('Classifier optimizer info: ')
logger.info(str(classifier_optim))
logger.info('Classifier scheduler info: ')
logger.info(str(classifier_sched))
logger.info('Explainer info: ')
logger.info(str(explainer))
logger.info('Explainer optimizer info: ')
logger.info(str(explainer_optim))
logger.info('Layman info: ')
logger.info(str(layman))
logger.info('Layman optimizer info: ')
logger.info(str(layman_optim))
if options.freeze_classifier_params:
logger.info('Freezing classifier params...')
freeze_all_module_params(classifier)
if options.freeze_explainer_params:
logger.info('Freezing explainer params...')
freeze_all_module_params(explainer)
# TRAIN
logger.info('Building trainer...')
if options.explainer in ['post_hoc', 'post_hoc_entailment']:
communicator_cls = CommunicatorJoint
else:
communicator_cls = Communicator
communicator = communicator_cls(train_iter,
classifier,
explainer,
layman,
classifier_optim,
classifier_sched,
explainer_optim,
layman_optim,
options,
dev_iter=dev_iter,
test_iter=test_iter)
# resume training from a checkpoint
if options.resume_epoch and options.load is None:
logger.info('Resuming communication...')
communicator.resume(options.resume_epoch)
# train the communication
communicator.train()
if options.save_explanations:
logger.info('Saving explanations to {}'.format(
options.save_explanations))
# save explanations (run with 0 epochs to ignore the communication)
ds_iterator = test_iter if test_iter is not None else dev_iter
communicator.save_explanations(
options.save_explanations,
ds_iterator,
max_explanations=options.max_explanations)
# SAVE
if options.save:
logger.info('Saving path: {}'.format(options.save))
config_path = Path(options.save)
config_path.mkdir(parents=True, exist_ok=True)
# if the classifier was built, then we save it with all of its
# dependencies, otherwise we just save the communication modules
if not options.load:
classifier_options = opts.load(options.load)
logger.info('Saving classifier config options...')
opts.save(config_path, classifier_options)
logger.info('Saving vocabularies...')
fields.save_vocabs(config_path, fields_tuples)
logger.info('Saving classifier...')
models.save(config_path, classifier)
logger.info('Saving classifier optimizer...')
optimizer.save(config_path, classifier_optim)
logger.info('Saving classifier scheduler...')
scheduler.save(config_path, classifier_sched)
# save communication modules
logger.info('Saving communication config options...')
opts.save(config_path, options, name=constants.COMMUNICATION_CONFIG)
logger.info('Saving explainer...')
explainers.save(config_path, explainer)
logger.info('Saving layman...')
laymen.save(config_path, layman)
logger.info('Saving explainer optimizer...')
optimizer.save(config_path,
explainer_optim,
name=constants.EXPLAINER_OPTIMIZER)
logger.info('Saving layman optimizer...')
optimizer.save(config_path,
layman_optim,
name=constants.LAYMAN_OPTIMIZER)