def train_marry_up(args):
assert args.additional_state == 0
if args.model_type == 'KnowledgeDistill':
assert args.marryup_type == 'none'
if args.model_type == 'PR':
assert args.marryup_type == 'none'
all_pred_train, all_pred_dev, all_pred_test, all_out_train, all_out_dev, all_out_test = PredictByRE(
args)
logger = Logger()
# config = Config_MarryUp(args)
dset = load_classification_dataset(args.dataset)
t2i, i2t, in2i, i2in = dset['t2i'], dset['i2t'], dset['in2i'], dset['i2in']
query_train, intent_train = dset['query_train'], dset['intent_train']
query_dev, intent_dev = dset['query_dev'], dset['intent_dev']
query_test, intent_test = dset['query_test'], dset['intent_test']
len_stats(query_train)
len_stats(query_dev)
len_stats(query_test)
# extend the padding
# add pad <pad> to the last of vocab
i2t[len(i2t)] = '<pad>'
t2i['<pad>'] = len(i2t) - 1
train_query, _, train_lengths = pad_dataset(query_train, args,
t2i['<pad>'])
dev_query, _, dev_lengths = pad_dataset(query_dev, args, t2i['<pad>'])
test_query, _, test_lengths = pad_dataset(query_test, args, t2i['<pad>'])
shots = int(len(train_query) * args.train_portion)
if args.use_unlabel:
intent_data_train = MarryUpIntentBatchDatasetUtilizeUnlabel(
train_query, train_lengths, intent_train, all_pred_train,
all_out_train, shots)
elif args.train_portion == 0:
# special case when train portion==0 and do not use unlabel data, should have no data
intent_data_train = None
else:
intent_data_train = MarryUpIntentBatchDataset(train_query,
train_lengths,
intent_train,
all_out_train, shots)
# should have no/few dev data in low-resource setting
if args.train_portion == 0:
intent_data_dev = None
elif args.train_portion <= 0.01:
intent_data_dev = MarryUpIntentBatchDataset(dev_query, dev_lengths,
intent_dev, all_out_dev,
shots)
else:
intent_data_dev = MarryUpIntentBatchDataset(
dev_query,
dev_lengths,
intent_dev,
all_out_dev,
)
intent_data_test = MarryUpIntentBatchDataset(test_query, test_lengths,
intent_test, all_out_test)
print('len train dataset {}'.format(
len(intent_data_train) if intent_data_train else 0))
print('len dev dataset {}'.format(
len(intent_data_dev) if intent_data_dev else 0))
print('len test dataset {}'.format(len(intent_data_test)))
intent_dataloader_train = DataLoader(
intent_data_train, batch_size=args.bz) if intent_data_train else None
intent_dataloader_dev = DataLoader(
intent_data_dev, batch_size=args.bz) if intent_data_dev else None
intent_dataloader_test = DataLoader(intent_data_test, batch_size=args.bz)
pretrained_embed = load_glove_embed('../data/{}/'.format(args.dataset),
args.embed_dim)
if args.random_embed:
pretrained_embed = np.random.random(pretrained_embed.shape)
# for padding
pretrain_embed_extend = np.append(pretrained_embed,
np.zeros((1, args.embed_dim),
dtype=np.float),
axis=0)
model = IntentMarryUp(
pretrained_embed=pretrain_embed_extend,
config=args,
label_size=len(in2i),
)
criterion = torch.nn.CrossEntropyLoss()
if args.optimizer == 'SGD':
optimizer = torch.optim.SGD(model.parameters(),
lr=args.lr,
weight_decay=0)
if args.optimizer == 'ADAM':
optimizer = torch.optim.Adam(model.parameters(),
lr=args.lr,
weight_decay=0)
if torch.cuda.is_available():
model = model.cuda()
pytorch_total_params = sum(p.numel() for p in model.parameters()
if p.requires_grad)
print('ALL TRAINABLE PARAMETERS: {}'.format(pytorch_total_params))
acc_dev_init, avg_loss_dev_init, p, r = val_marry(model,
intent_dataloader_dev, 0,
'DEV', args, logger)
# TEST
acc_test_init, avg_loss_test_init, p, r = val_marry(
model, intent_dataloader_test, 0, 'TEST', args, logger)
best_dev_acc = acc_dev_init
counter = 0
best_dev_model = deepcopy(model)
# when no training data, just run a test.
if not intent_dataloader_train: args.epoch = 0
for epoch in range(1, args.epoch + 1):
avg_loss = 0
acc = 0
pbar_train = tqdm(intent_dataloader_train)
pbar_train.set_description("TRAIN EPOCH {}".format(epoch))
model.train()
for batch in pbar_train:
optimizer.zero_grad()
x = batch['x']
label = batch['i'].view(-1)
lengths = batch['l']
re_tag = batch['re']
if torch.cuda.is_available():
x = x.cuda()
lengths = lengths.cuda()
label = label.cuda()
re_tag = re_tag.cuda()
scores = model(x, lengths, re_tag)
loss_cross_entropy = criterion(scores, label)
if args.model_type == 'MarryUp':
loss = loss_cross_entropy
elif args.model_type == 'KnowledgeDistill':
softmax_scores = torch.log_softmax(scores, 1)
softmax_re_tag_teacher = torch.softmax(re_tag, 1)
loss_KL = torch.nn.KLDivLoss()(softmax_scores,
softmax_re_tag_teacher)
loss = loss_cross_entropy * args.l1 + loss_KL * (
1 - args.l1
) # in KD, l1 stands for the alpha controlling to learn from true / imitate teacher
elif args.model_type == 'PR':
log_softmax_scores = torch.log_softmax(scores, 1)
softmax_scores = torch.softmax(scores, 1)
product_term = torch.exp(
re_tag - 1
) * args.l2 #in PR, l2 stands for the regularization term, higher l2, harder rule constraint
teacher_score = torch.mul(softmax_scores, product_term)
softmax_teacher = torch.softmax(teacher_score, 1)
loss_KL = torch.nn.KLDivLoss()(log_softmax_scores,
softmax_teacher)
loss = loss_cross_entropy * args.l1 + loss_KL * (
1 - args.l1
) # in PR, l1 stands for the alpha controlling to learn from true / imitate teacher
loss.backward()
optimizer.step()
avg_loss += loss.item()
acc += (scores.argmax(1) == label).sum().item()
pbar_train.set_postfix_str(
"{} - total right: {}, total loss: {}".format(
'TRAIN', acc, loss))
acc = acc / len(intent_data_train)
avg_loss = avg_loss / len(intent_data_train)
# print("{} Epoch: {} | ACC: {}, LOSS: {}".format('TRAIN', epoch, acc, avg_loss))
logger.add("{} Epoch: {} | ACC: {}, LOSS: {}".format(
'TRAIN', epoch, acc, avg_loss))
# DEV
acc_dev, avg_loss_dev, p, r = val_marry(model, intent_dataloader_dev,
epoch, 'DEV', args, logger)
counter += 1 # counter for early stopping
if (acc_dev is None) or (acc_dev > best_dev_acc):
counter = 0
best_dev_acc = acc_dev
best_dev_model = deepcopy(model)
if counter > args.early_stop:
break
best_dev_test_acc, avg_loss_test, best_dev_test_p, best_dev_test_r \
= val_marry(best_dev_model, intent_dataloader_dev, epoch, 'TEST', args, logger)
return acc_dev_init, acc_test_init, best_dev_acc, best_dev_test_acc, best_dev_test_p, best_dev_test_r, logger.record
def train_fsa_rnn(args, paths):
logger = Logger()
# config = Config_Integrate(args)
dset = load_classification_dataset(args.dataset)
t2i, i2t, in2i, i2in = dset['t2i'], dset['i2t'], dset['in2i'], dset['i2in']
query_train, intent_train = dset['query_train'], dset['intent_train']
query_dev, intent_dev = dset['query_dev'], dset['intent_dev']
query_test, intent_test = dset['query_test'], dset['intent_test']
len_stats(query_train)
len_stats(query_dev)
len_stats(query_test)
# extend the padding
# add pad <pad> to the last of vocab
i2t[len(i2t)] = '<pad>'
t2i['<pad>'] = len(i2t) - 1
train_query, train_query_inverse, train_lengths = pad_dataset(
query_train, args, t2i['<pad>'])
dev_query, dev_query_inverse, dev_lengths = pad_dataset(
query_dev, args, t2i['<pad>'])
test_query, test_query_inverse, test_lengths = pad_dataset(
query_test, args, t2i['<pad>'])
shots = int(len(train_query) * args.train_portion)
if args.use_unlabel:
all_pred_train, all_pred_dev, all_pred_test, all_out_train, all_out_dev, all_out_test = PredictByRE(
args)
intent_data_train = ATISIntentBatchDatasetUtilizeUnlabel(
train_query, train_query_inverse, train_lengths, intent_train,
all_pred_train, all_out_train, shots)
elif args.train_portion == 0:
# special case when train portion==0 and do not use unlabel data, should have no data
intent_data_train = None
else:
intent_data_train = ATISIntentBatchDatasetBidirection(
train_query, train_query_inverse, train_lengths, intent_train,
shots)
# should have no/few dev data in low-resource setting
if args.train_portion == 0:
intent_data_dev = None
elif args.train_portion <= 0.01:
intent_data_dev = ATISIntentBatchDatasetBidirection(
dev_query, dev_query_inverse, dev_lengths, intent_dev, shots)
else:
intent_data_dev = ATISIntentBatchDatasetBidirection(
dev_query, dev_query_inverse, dev_lengths, intent_dev)
intent_data_test = ATISIntentBatchDatasetBidirection(
test_query,
test_query_inverse,
test_lengths,
intent_test,
)
intent_dataloader_train = DataLoader(
intent_data_train, batch_size=args.bz) if intent_data_train else None
intent_dataloader_dev = DataLoader(
intent_data_dev, batch_size=args.bz) if intent_data_dev else None
intent_dataloader_test = DataLoader(intent_data_test, batch_size=args.bz)
print('len train dataset {}'.format(
len(intent_data_train) if intent_data_train else 0))
print('len dev dataset {}'.format(
len(intent_data_dev) if intent_data_dev else 0))
print('len test dataset {}'.format(len(intent_data_test)))
print('num labels: {}'.format(len(in2i)))
print('num vocabs: {}'.format(len(t2i)))
forward_params = dict()
forward_params['V_embed_extend'], forward_params['pretrain_embed_extend'], forward_params['mat'], forward_params['bias'], \
forward_params['D1'], forward_params['D2'], forward_params['language_mask'], forward_params['language'], forward_params['wildcard_mat'], \
forward_params['wildcard_mat_origin_extend'] = \
get_init_params(args, in2i, i2in, t2i, paths[0])
if args.bidirection:
backward_params = dict()
backward_params['V_embed_extend'], backward_params['pretrain_embed_extend'], backward_params['mat'], backward_params['bias'], \
backward_params['D1'], backward_params['D2'], backward_params['language_mask'], backward_params['language'], backward_params['wildcard_mat'], \
backward_params['wildcard_mat_origin_extend'] = \
get_init_params(args, in2i, i2in, t2i, paths[1])
# get h1 for FSAGRU
h1_forward = None
h1_backward = None
if args.farnn == 1:
args.farnn = 0
temp_model = FSARNNIntegrateEmptyStateSaperateGRU(
pretrained_embed=forward_params['pretrain_embed_extend'],
trans_r_1=forward_params['D1'],
trans_r_2=forward_params['D2'],
embed_r=forward_params['V_embed_extend'],
trans_wildcard=forward_params['wildcard_mat'],
config=args,
)
input_x = torch.LongTensor([[t2i['BOS']]])
if torch.cuda.is_available():
temp_model.cuda()
input_x = input_x.cuda()
h1_forward = temp_model.viterbi(input_x, None).detach()
h1_forward = h1_forward.reshape(-1)
if args.bidirection:
temp_model = FSARNNIntegrateEmptyStateSaperateGRU(
pretrained_embed=backward_params['pretrain_embed_extend'],
trans_r_1=backward_params['D1'],
trans_r_2=backward_params['D2'],
embed_r=backward_params['V_embed_extend'],
trans_wildcard=backward_params['wildcard_mat'],
config=args,
)
input_x = torch.LongTensor([[t2i['EOS']]])
if torch.cuda.is_available():
temp_model.cuda()
input_x = input_x.cuda()
h1_backward = temp_model.viterbi(input_x, None).detach()
h1_backward = h1_backward.reshape(-1)
args.farnn = 1
if args.bidirection:
model = IntentIntegrateSaperateBidirection_B(
pretrained_embed=forward_params['pretrain_embed_extend'],
forward_params=forward_params,
backward_params=backward_params,
config=args,
h1_forward=h1_forward,
h1_backward=h1_backward)
else:
model = IntentIntegrateSaperate_B(
pretrained_embed=forward_params['pretrain_embed_extend'],
trans_r_1=forward_params['D1'],
trans_r_2=forward_params['D2'],
embed_r=forward_params['V_embed_extend'],
trans_wildcard=forward_params['wildcard_mat'],
config=args,
mat=forward_params['mat'],
bias=forward_params['bias'],
h1_forward=h1_forward,
)
if args.loss_type == 'CrossEntropy':
criterion = torch.nn.CrossEntropyLoss()
elif args.loss_type == 'NormalizeNLL':
criterion = relu_normalized_NLLLoss
else:
print("Wrong loss function")
if args.optimizer == 'SGD':
optimizer = torch.optim.SGD(model.parameters(),
lr=args.lr,
weight_decay=0)
if args.optimizer == 'ADAM':
optimizer = torch.optim.Adam(model.parameters(),
lr=args.lr,
weight_decay=0)
if torch.cuda.is_available():
model = model.cuda()
pytorch_total_params = sum(p.numel() for p in model.parameters()
if p.requires_grad)
print('ALL TRAINABLE PARAMETERS: {}'.format(pytorch_total_params))
# TRAIN
acc_train_init, avg_loss_train_init, train_init_p, train_init_r = val(
model,
intent_dataloader_train,
epoch=0,
mode='TRAIN',
config=args,
i2in=i2in,
logger=logger,
criterion=criterion)
# DEV
acc_dev_init, avg_loss_dev_init, dev_init_p, dev_init_r = val(
model,
intent_dataloader_dev,
epoch=0,
mode='DEV',
config=args,
i2in=i2in,
logger=logger,
criterion=criterion)
# TEST
acc_test_init, avg_loss_test_init, test_init_p, test_init_r = val(
model,
intent_dataloader_test,
epoch=0,
mode='TEST',
config=args,
i2in=i2in,
logger=logger,
criterion=criterion)
print("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".format(
'TRAIN', acc_train_init, avg_loss_train_init, train_init_p,
train_init_r))
print("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".format(
'DEV', acc_dev_init, avg_loss_dev_init, dev_init_p, dev_init_r))
print("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".format(
'TEST', acc_test_init, avg_loss_test_init, test_init_p, test_init_r))
logger.add("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".format(
'TRAIN', acc_train_init, avg_loss_train_init, train_init_p,
train_init_r))
logger.add("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".format(
'DEV', acc_dev_init, avg_loss_dev_init, dev_init_p, dev_init_r))
logger.add("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".format(
'TEST', acc_test_init, avg_loss_test_init, test_init_p, test_init_r))
if args.only_probe:
exit(0)
best_dev_acc = acc_dev_init
counter = 0
best_dev_model = deepcopy(model)
if not intent_dataloader_train: args.epoch = 0
for epoch in range(1, args.epoch + 1):
avg_loss = 0
acc = 0
pbar_train = tqdm(intent_dataloader_train)
pbar_train.set_description("TRAIN EPOCH {}".format(epoch))
model.train()
for batch in pbar_train:
optimizer.zero_grad()
x_forward = batch['x_forward']
x_backward = batch['x_backward']
label = batch['i'].view(-1)
lengths = batch['l']
if torch.cuda.is_available():
x_forward = batch['x_forward'].cuda()
x_backward = batch['x_backward'].cuda()
lengths = lengths.cuda()
label = label.cuda()
if args.bidirection:
scores = model(x_forward, x_backward, lengths)
else:
scores = model(x_forward, lengths)
loss = criterion(scores, label)
loss.backward()
optimizer.step()
avg_loss += loss.item()
acc += (scores.argmax(1) == label).sum().item()
pbar_train.set_postfix_str(
"{} - total right: {}, total loss: {}".format(
'TRAIN', acc, loss))
acc = acc / len(intent_data_train)
avg_loss = avg_loss / len(intent_data_train)
print("{} Epoch: {} | ACC: {}, LOSS: {}".format(
'TRAIN', epoch, acc, avg_loss))
logger.add("{} Epoch: {} | ACC: {}, LOSS: {}".format(
'TRAIN', epoch, acc, avg_loss))
# DEV
acc_dev, avg_loss_dev, p, r = val(model,
intent_dataloader_dev,
epoch,
'DEV',
logger,
config=args,
criterion=criterion)
counter += 1 # counter for early stopping
if (acc_dev is None) or (acc_dev > best_dev_acc):
counter = 0
best_dev_acc = acc_dev
best_dev_model = deepcopy(model)
if counter > args.early_stop:
break
best_dev_test_acc, avg_loss_test, best_dev_test_p, best_dev_test_r \
= val(best_dev_model, intent_dataloader_test, epoch, 'TEST', logger, config=args, criterion=criterion)
# Save the model
datetime_str = create_datetime_str()
model_save_path = "../model/{}/D{:.4f}-T{:.4f}-DI{:.4f}-TI{:.4f}-{}-{}-{}".format(
args.run, best_dev_acc, best_dev_test_acc, acc_dev_init, acc_test_init,
datetime_str, args.dataset, args.seed)
mkdir("../model/{}/".format(args.run))
mkdir(model_save_path)
print("SAVING MODEL {} .....".format(model_save_path))
torch.save(model.state_dict(), model_save_path + '.model')
return acc_dev_init, acc_test_init, best_dev_acc, best_dev_test_acc, best_dev_test_p, best_dev_test_r, logger.record
def PredictByRE(
args,
params=None,
dset=None,
):
logger = Logger()
if not dset:
dset = load_classification_dataset(args.dataset)
t2i, i2t, in2i, i2in = dset['t2i'], dset['i2t'], dset['in2i'], dset['i2in']
query_train, intent_train = dset['query_train'], dset['intent_train']
query_dev, intent_dev = dset['query_dev'], dset['intent_dev']
query_test, intent_test = dset['query_test'], dset['intent_test']
len_stats(query_train)
len_stats(query_dev)
len_stats(query_test)
# extend the padding
# add pad <pad> to the last of vocab
i2t[len(i2t)] = '<pad>'
t2i['<pad>'] = len(i2t) - 1
train_query, train_query_inverse, train_lengths = pad_dataset(
query_train, args, t2i['<pad>'])
dev_query, dev_query_inverse, dev_lengths = pad_dataset(
query_dev, args, t2i['<pad>'])
test_query, test_query_inverse, test_lengths = pad_dataset(
query_test, args, t2i['<pad>'])
intent_data_train = ATISIntentBatchDataset(train_query, train_lengths,
intent_train)
intent_data_dev = ATISIntentBatchDataset(dev_query, dev_lengths,
intent_dev)
intent_data_test = ATISIntentBatchDataset(test_query, test_lengths,
intent_test)
intent_dataloader_train = DataLoader(intent_data_train, batch_size=args.bz)
intent_dataloader_dev = DataLoader(intent_data_dev, batch_size=args.bz)
intent_dataloader_test = DataLoader(intent_data_test, batch_size=args.bz)
if params is None:
automata_dicts = load_pkl(args.automata_path_forward)
automata = automata_dicts['automata']
language_tensor, state2idx, wildcard_mat, language = dfa_to_tensor(
automata, t2i)
complete_tensor = language_tensor + wildcard_mat
if args.dataset == 'ATIS':
mat, bias = create_mat_and_bias_with_empty_ATIS(
automata,
in2i=in2i,
i2in=i2in,
)
elif args.dataset == 'TREC':
mat, bias = create_mat_and_bias_with_empty_TREC(
automata,
in2i=in2i,
i2in=i2in,
)
elif args.dataset == 'SMS':
mat, bias = create_mat_and_bias_with_empty_SMS(
automata,
in2i=in2i,
i2in=i2in,
)
else:
complete_tensor = params['complete_tensor']
mat, bias = params['mat'], params['bias']
# for padding
V, S1, S2 = complete_tensor.shape
complete_tensor_extend = np.concatenate(
(complete_tensor, np.zeros((1, S1, S2))))
print(complete_tensor_extend.shape)
model = IntentIntegrateOnehot(complete_tensor_extend,
config=args,
mat=mat,
bias=bias)
if torch.cuda.is_available():
model.cuda()
# # TRAIN
print('RE TRAIN ACC')
all_pred_train, all_out_train = REclassifier(model,
intent_dataloader_train,
config=args,
i2in=i2in)
# DEV
print('RE DEV ACC')
all_pred_dev, all_out_dev = REclassifier(model,
intent_dataloader_dev,
config=args,
i2in=i2in)
# TEST
print('RE TEST ACC')
all_pred_test, all_out_test = REclassifier(model,
intent_dataloader_test,
config=args,
i2in=i2in)
return all_pred_train, all_pred_dev, all_pred_test, all_out_train, all_out_dev, all_out_test
def train_onehot(args, paths):
logger = Logger()
dset = load_classification_dataset(args.dataset)
t2i, i2t, in2i, i2in = dset['t2i'], dset['i2t'], dset['in2i'], dset['i2in']
query_train, intent_train = dset['query_train'], dset['intent_train']
query_dev, intent_dev = dset['query_dev'], dset['intent_dev']
query_test, intent_test = dset['query_test'], dset['intent_test']
len_stats(query_train)
len_stats(query_dev)
len_stats(query_test)
# extend the padding
# add pad <pad> to the last of vocab
i2t[len(i2t)] = '<pad>'
t2i['<pad>'] = len(i2t) - 1
train_query, train_query_inverse, train_lengths = pad_dataset(
query_train, args, t2i['<pad>'])
dev_query, dev_query_inverse, dev_lengths = pad_dataset(
query_dev, args, t2i['<pad>'])
test_query, test_query_inverse, test_lengths = pad_dataset(
query_test, args, t2i['<pad>'])
shots = int(len(train_query) * args.train_portion)
assert args.train_portion == 1.0
# We currently not support ublabel and low-resource for onehot
intent_data_train = ATISIntentBatchDataset(train_query, train_lengths,
intent_train, shots)
intent_data_dev = ATISIntentBatchDataset(dev_query, dev_lengths,
intent_dev, shots)
intent_data_test = ATISIntentBatchDataset(test_query, test_lengths,
intent_test)
intent_dataloader_train = DataLoader(intent_data_train, batch_size=args.bz)
intent_dataloader_dev = DataLoader(intent_data_dev, batch_size=args.bz)
intent_dataloader_test = DataLoader(intent_data_test, batch_size=args.bz)
automata_dicts = load_pkl(paths[0])
if 'automata' not in automata_dicts:
automata = automata_dicts
else:
automata = automata_dicts['automata']
language_tensor, state2idx, wildcard_mat, language = dfa_to_tensor(
automata, t2i)
complete_tensor = language_tensor + wildcard_mat
assert args.additional_state == 0
if args.dataset == 'ATIS':
mat, bias = create_mat_and_bias_with_empty_ATIS(
automata,
in2i=in2i,
i2in=i2in,
)
elif args.dataset == 'TREC':
mat, bias = create_mat_and_bias_with_empty_TREC(
automata,
in2i=in2i,
i2in=i2in,
)
elif args.dataset == 'SMS':
mat, bias = create_mat_and_bias_with_empty_SMS(
automata,
in2i=in2i,
i2in=i2in,
)
# for padding
V, S1, S2 = complete_tensor.shape
complete_tensor_extend = np.concatenate(
(complete_tensor, np.zeros((1, S1, S2))))
print(complete_tensor_extend.shape)
model = IntentIntegrateOnehot(complete_tensor_extend,
config=args,
mat=mat,
bias=bias)
mode = 'onehot'
if args.loss_type == 'CrossEntropy':
criterion = torch.nn.CrossEntropyLoss()
elif args.loss_type == 'NormalizeNLL':
criterion = relu_normalized_NLLLoss
else:
print("Wrong loss function")
if args.optimizer == 'SGD':
optimizer = torch.optim.SGD(model.parameters(),
lr=args.lr,
weight_decay=0)
if args.optimizer == 'ADAM':
optimizer = torch.optim.Adam(model.parameters(),
lr=args.lr,
weight_decay=0)
if torch.cuda.is_available():
model = model.cuda()
acc_train_init, avg_loss_train_init, p, r = val(model,
intent_dataloader_train,
epoch=0,
mode='TRAIN',
config=args,
i2in=i2in,
criterion=criterion)
# DEV
acc_dev_init, avg_loss_dev_init, p, r = val(model,
intent_dataloader_dev,
epoch=0,
mode='DEV',
config=args,
i2in=i2in,
criterion=criterion)
# TEST
acc_test_init, avg_loss_test_init, p, r = val(model,
intent_dataloader_test,
epoch=0,
mode='TEST',
config=args,
i2in=i2in,
criterion=criterion)
best_dev_acc = acc_dev_init
counter = 0
best_dev_test_acc = acc_test_init
for epoch in range(1, args.epoch + 1):
avg_loss = 0
acc = 0
pbar_train = tqdm(intent_dataloader_train)
pbar_train.set_description("TRAIN EPOCH {}".format(epoch))
model.train()
for batch in pbar_train:
optimizer.zero_grad()
x = batch['x']
label = batch['i'].view(-1)
lengths = batch['l']
if torch.cuda.is_available():
x = x.cuda()
lengths = lengths.cuda()
label = label.cuda()
scores = model(x, lengths)
loss_cross_entropy = criterion(scores, label)
loss = loss_cross_entropy
loss.backward()
optimizer.step()
avg_loss += loss.item()
acc += (scores.argmax(1) == label).sum().item()
pbar_train.set_postfix_str(
"{} - total right: {}, total loss: {}".format(
'TRAIN', acc, loss))
acc = acc / len(intent_data_train)
avg_loss = avg_loss / len(intent_data_train)
print("{} Epoch: {} | ACC: {}, LOSS: {}".format(
'TRAIN', epoch, acc, avg_loss))
logger.add("{} Epoch: {} | ACC: {}, LOSS: {}".format(
'TRAIN', epoch, acc, avg_loss))
# DEV
acc_dev, avg_loss_dev, p, r = val(model,
intent_dataloader_dev,
epoch,
'DEV',
logger,
config=args,
criterion=criterion)
# TEST
acc_test, avg_loss_test, p, r = val(model,
intent_dataloader_test,
epoch,
'TEST',
logger,
config=args,
criterion=criterion)
counter += 1 # counter for early stopping
if (acc_dev is None) or (acc_dev > best_dev_acc):
counter = 0
best_dev_acc = acc_dev
best_dev_test_acc = acc_test
if counter > args.early_stop:
break
return acc_dev_init, acc_test_init, best_dev_acc, best_dev_test_acc, logger.record
def train_fsa_rnn(args, paths):
logger = Logger()
dset = load_classification_dataset(args.dataset)
t2i, i2t, in2i, i2in = dset['t2i'], dset['i2t'], dset['in2i'], dset['i2in']
query_train, intent_train = dset['query_train'], dset['intent_train']
query_dev, intent_dev = dset['query_dev'], dset['intent_dev']
query_test, intent_test = dset['query_test'], dset['intent_test']
len_stats(query_train)
len_stats(query_dev)
len_stats(query_test)
# extend the padding
# add pad <pad> to the last of vocab
i2t[len(i2t)] = '<pad>'
t2i['<pad>'] = len(i2t) - 1
train_query, train_query_inverse, train_lengths = pad_dataset(query_train, args, t2i['<pad>'])
dev_query, dev_query_inverse, dev_lengths = pad_dataset(query_dev, args, t2i['<pad>'])
test_query, test_query_inverse, test_lengths = pad_dataset(query_test, args, t2i['<pad>'])
shots = int(len(train_query) * args.train_portion)
intent_data_train = ATISIntentBatchDatasetBidirection(train_query, train_query_inverse, train_lengths, intent_train, shots)
intent_data_dev = ATISIntentBatchDatasetBidirection(dev_query, dev_query_inverse, dev_lengths, intent_dev)
intent_data_test = ATISIntentBatchDatasetBidirection(test_query, test_query_inverse, test_lengths, intent_test, )
intent_dataloader_train = DataLoader(intent_data_train, batch_size=args.bz) if intent_data_train else None
intent_dataloader_dev = DataLoader(intent_data_dev, batch_size=args.bz) if intent_data_dev else None
intent_dataloader_test = DataLoader(intent_data_test, batch_size=args.bz)
print('len train dataset {}'.format(len(intent_data_train) if intent_data_train else 0))
print('len dev dataset {}'.format(len(intent_data_dev) if intent_data_dev else 0))
print('len test dataset {}'.format(len(intent_data_test)))
print('num labels: {}'.format(len(in2i)))
print('num vocabs: {}'.format(len(t2i)))
forward_params = dict()
forward_params['V_embed_extend'], forward_params['pretrain_embed_extend'], forward_params['mat'], forward_params['bias'], \
forward_params['D1'], forward_params['D2'], forward_params['language_mask'], forward_params['language'], forward_params['wildcard_mat'], \
forward_params['wildcard_mat_origin_extend'] = \
get_init_params(args, in2i, i2in, t2i, paths[0])
model = IntentClassification(pretrained_embed=forward_params['pretrain_embed_extend'],
trans_r_1=forward_params['D1'],
trans_r_2=forward_params['D2'],
embed_r=forward_params['V_embed_extend'],
trans_wildcard=forward_params['wildcard_mat'],
config=args,
mat=forward_params['mat'],
bias=forward_params['bias'])
criterion = torch.nn.CrossEntropyLoss()
if args.optimizer == 'SGD':
optimizer = torch.optim.SGD(model.parameters(), lr=args.lr, weight_decay=0)
if args.optimizer == 'ADAM':
optimizer = torch.optim.Adam(model.parameters(), lr=args.lr, weight_decay=0)
if torch.cuda.is_available():
model = model.cuda()
pytorch_total_params = sum(p.numel() for p in model.parameters() if p.requires_grad)
print('ALL TRAINABLE PARAMETERS: {}'.format(pytorch_total_params))
# TRAIN
acc_train_init, avg_loss_train_init, train_init_p, train_init_r = \
val(model, intent_dataloader_train, epoch=0, mode='TRAIN', config=args,
i2in=i2in, logger=logger, criterion=criterion)
# DEV
acc_dev_init, avg_loss_dev_init, dev_init_p, dev_init_r = \
val(model, intent_dataloader_dev, epoch=0, mode='DEV', config=args,
i2in=i2in, logger=logger, criterion=criterion)
# TEST
acc_test_init, avg_loss_test_init, test_init_p, test_init_r = \
val(model, intent_dataloader_test, epoch=0, mode='TEST', config=args,
i2in=i2in, logger=logger, criterion=criterion)
print("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".
format('TRAIN', acc_train_init, avg_loss_train_init, train_init_p, train_init_r))
print("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".
format('DEV', acc_dev_init, avg_loss_dev_init, dev_init_p, dev_init_r))
print("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".
format('TEST', acc_test_init, avg_loss_test_init, test_init_p, test_init_r))
logger.add("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".
format('TRAIN', acc_train_init, avg_loss_train_init, train_init_p, train_init_r))
logger.add("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".
format('DEV', acc_dev_init, avg_loss_dev_init, dev_init_p, dev_init_r))
logger.add("{} INITIAL: ACC: {}, LOSS: {}, P: {}, R: {}".
format('TEST', acc_test_init, avg_loss_test_init, test_init_p, test_init_r))
best_dev_acc = acc_dev_init
counter = 0
best_dev_model = deepcopy(model)
for epoch in range(1, args.epoch + 1):
avg_loss = 0
acc = 0
pbar_train = tqdm(intent_dataloader_train)
pbar_train.set_description("TRAIN EPOCH {}".format(epoch))
model.train()
for batch in pbar_train:
optimizer.zero_grad()
x_forward = batch['x_forward']
label = batch['i'].view(-1)
lengths = batch['l']
if torch.cuda.is_available():
x_forward = batch['x_forward'].cuda()
lengths = lengths.cuda()
label = label.cuda()
scores = model(x_forward, lengths)
loss = criterion(scores, label)
loss.backward()
optimizer.step()
avg_loss += loss.item()
acc += (scores.argmax(1) == label).sum().item()
pbar_train.set_postfix_str("{} - total right: {}, total loss: {}".format('TRAIN', acc, loss))
acc = acc / len(intent_data_train)
avg_loss = avg_loss / len(intent_data_train)
print("{} Epoch: {} | ACC: {}, LOSS: {}".format('TRAIN', epoch, acc, avg_loss))
logger.add("{} Epoch: {} | ACC: {}, LOSS: {}".format('TRAIN', epoch, acc, avg_loss))
# DEV
acc_dev, avg_loss_dev, p, r = val(model, intent_dataloader_dev, epoch, 'DEV', logger, config=args, criterion=criterion)
counter += 1 # counter for early stopping
if (acc_dev is None) or (acc_dev > best_dev_acc):
counter = 0
best_dev_acc = acc_dev
best_dev_model = deepcopy(model)
if counter > args.early_stop:
break
best_dev_test_acc, avg_loss_test, best_dev_test_p, best_dev_test_r \
= val(best_dev_model, intent_dataloader_test, epoch, 'TEST', logger, config=args, criterion=criterion)
results = [acc_dev_init, acc_test_init, best_dev_acc, best_dev_test_acc]
save_args_and_results(args, results, logger)