def main():
args = make_parser().parse_args()
print("[Model hyperparams]: {}".format(str(args)))
cuda = torch.cuda.is_available() and args.cuda
device = torch.device("cpu") if not cuda else torch.device("cuda:" +
str(args.gpu))
seed_everything(seed=1337, cuda=cuda)
vectors = None #don't use pretrained vectors
# vectors = load_pretrained_vectors(args.emsize)
# Load dataset iterators
iters, TEXT, LABEL, PROMPTS = dataset_map[args.data](
args.batch_size,
device=device,
vectors=vectors,
base_path=args.base_path)
# Some datasets just have the train & test sets, so we just pretend test is valid
if len(iters) >= 4:
train_iter = iters[0]
val_iter = iters[1]
test_iter = iters[2]
outdomain_test_iter = list(iters[3:])
elif len(iters) == 3:
train_iter, val_iter, test_iter = iters
else:
train_iter, test_iter = iters
val_iter = test_iter
print("[Corpus]: train: {}, test: {}, vocab: {}, labels: {}".format(
len(train_iter.dataset), len(test_iter.dataset), len(TEXT.vocab),
len(LABEL.vocab)))
if args.model == "CNN":
args.embed_num = len(TEXT.vocab)
args.nlabels = len(LABEL.vocab)
args.nprompts = len(PROMPTS.vocab)
args.kernel_sizes = [int(k) for k in args.kernel_sizes.split(',')]
args.embed_dim = args.emsize
classifier_model = CNN_Text_GANLike(args)
topic_decoder = [
nn.Sequential(
nn.Linear(
len(args.kernel_sizes) * args.kernel_num, args.nprompts))
]
else:
ntokens, nlabels, nprompts = len(TEXT.vocab), len(LABEL.vocab), len(
PROMPTS.vocab)
args.nlabels = nlabels # hack to not clutter function arguments
args.nprompts = nprompts
embedding = nn.Embedding(ntokens, args.emsize, padding_idx=1)
encoder = Encoder(args.emsize,
args.hidden,
nlayers=args.nlayers,
dropout=args.drop,
bidirectional=args.bi,
rnn_type=args.rnn_model)
attention_dim = args.hidden if not args.bi else 2 * args.hidden
attention = BahdanauAttention(attention_dim, attention_dim)
if args.bottleneck_dim == 0:
classifier_model = Classifier_GANLike(embedding, encoder,
attention, attention_dim,
nlabels)
topic_decoder = [
nn.Sequential(nn.Dropout(args.topic_drop),
nn.Linear(attention_dim, args.nprompts))
]
else:
classifier_model = Classifier_GANLike_bottleneck(
embedding,
encoder,
attention,
attention_dim,
nlabels,
bottleneck_dim=args.bottleneck_dim)
topic_decoder = [
nn.Sequential(nn.Dropout(args.topic_drop),
nn.Linear(args.bottleneck_dim, args.nprompts))
]
classifier_model.to(device)
topic_decoder[0].to(device)
classify_criterion = nn.CrossEntropyLoss()
topic_criterion = nn.CrossEntropyLoss()
classify_optim = Optim(args.optim, args.lr, args.clip)
topic_optim = Optim(args.optim, args.lr, args.clip)
for p in classifier_model.parameters():
if not p.requires_grad:
print("OMG", p)
p.requires_grad = True
p.data.uniform_(-args.param_init, args.param_init)
for p in topic_decoder[0].parameters():
if not p.requires_grad:
print("OMG", p)
p.requires_grad = True
p.data.uniform_(-args.param_init, args.param_init)
classify_optim.set_parameters(classifier_model.parameters())
topic_optim.set_parameters(topic_decoder[0].parameters())
if args.load:
if args.latest:
best_model = torch.load(args.save_dir + "/" + args.model_name +
"_latestmodel")
else:
best_model = torch.load(args.save_dir + "/" + args.model_name +
"_bestmodel")
else:
try:
best_valid_loss = None
best_model = None
#pretraining the classifier
for epoch in range(1, args.pretrain_epochs + 1):
pretrain_classifier(classifier_model, train_iter,
classify_optim, classify_criterion, args,
epoch)
loss = evaluate(classifier_model, val_iter, classify_criterion,
args)
# oodLoss = evaluate(classifier_model, outdomain_test_iter[0], classify_criterion, args, datatype="oodtest")
if not best_valid_loss or loss < best_valid_loss:
best_valid_loss = loss
print("Updating best pretrained_model")
best_model = copy.deepcopy(classifier_model)
torch.save(
best_model, args.save_dir + "/" + args.model_name +
"_pretrained_bestmodel")
torch.save(
classifier_model, args.save_dir + "/" + args.model_name +
"_pretrained_latestmodel")
# classifier_model = best_model
#alternating training like GANs
for epoch in range(1, args.epochs + 1):
for t_step in range(1, args.t_steps + 1):
train_topic_predictor(classifier_model, topic_decoder[-1],
train_iter, topic_optim,
topic_criterion, args, epoch,
args.t_steps)
if args.reset_classifier:
for p in classifier_model.parameters():
if not p.requires_grad:
print("OMG", p)
p.requires_grad = True
p.data.uniform_(-args.param_init, args.param_init)
for c_step in range(1, args.c_steps + 1):
train_classifier(classifier_model, topic_decoder,
train_iter, classify_optim,
classify_criterion, topic_criterion, args,
epoch, args.c_steps)
loss = evaluate(classifier_model, val_iter,
classify_criterion, args)
# oodLoss = evaluate(classifier_model, outdomain_test_iter[0], classify_criterion, args, datatype="oodtest")
#creating a new instance of a decoder
if args.model == "CNN":
topic_decoder += [
nn.Sequential(
nn.Linear(
len(args.kernel_sizes) * args.kernel_num,
args.nprompts))
]
else:
attention_dim = args.hidden if not args.bi else 2 * args.hidden
if args.bottleneck_dim == 0:
topic_decoder.append(
nn.Sequential(
nn.Dropout(args.topic_drop),
nn.Linear(attention_dim, args.nprompts)))
else:
topic_decoder.append(
nn.Sequential(
nn.Dropout(args.topic_drop),
nn.Linear(args.bottleneck_dim, args.nprompts)))
#attaching a new optimizer to the new topic decode
topic_decoder[-1].to(device)
topic_optim = Optim(args.optim, args.lr, args.clip)
for p in topic_decoder[-1].parameters():
if not p.requires_grad:
print("OMG", p)
p.requires_grad = True
p.data.uniform_(-args.param_init, args.param_init)
topic_optim.set_parameters(topic_decoder[-1].parameters())
if not best_valid_loss or loss < best_valid_loss:
best_valid_loss = loss
print("Updating best model")
best_model = copy.deepcopy(classifier_model)
torch.save(
best_model,
args.save_dir + "/" + args.model_name + "_bestmodel")
torch.save(
classifier_model,
args.save_dir + "/" + args.model_name + "_latestmodel")
except KeyboardInterrupt:
print("[Ctrl+C] Training stopped!")
# if not args.load:
trainloss = evaluate(best_model,
train_iter,
classify_criterion,
args,
datatype='train',
writetopics=args.save_output_topics,
itos=TEXT.vocab.itos,
litos=LABEL.vocab.itos)
valloss = evaluate(best_model,
val_iter,
classify_criterion,
args,
datatype='valid',
writetopics=args.save_output_topics,
itos=TEXT.vocab.itos,
litos=LABEL.vocab.itos)
loss = evaluate(best_model,
test_iter,
classify_criterion,
args,
datatype='test',
writetopics=args.save_output_topics,
itos=TEXT.vocab.itos,
litos=LABEL.vocab.itos)
if args.data == "AMAZON":
oodnames = args.oodname.split(",")
for oodname, oodtest_iter in zip(oodnames, outdomain_test_iter):
oodLoss = evaluate(best_model,
oodtest_iter,
classify_criterion,
args,
datatype=oodname + "_bestmodel",
writetopics=args.save_output_topics)
oodLoss = evaluate(classifier_model,
oodtest_iter,
classify_criterion,
args,
datatype=oodname + "_latest",
writetopics=args.save_output_topics)
else:
oodLoss = evaluate(best_model,
outdomain_test_iter[0],
classify_criterion,
args,
datatype="oodtest_bestmodel",
writetopics=args.save_output_topics,
itos=TEXT.vocab.itos,
litos=LABEL.vocab.itos)
oodLoss = evaluate(classifier_model,
outdomain_test_iter[0],
classify_criterion,
args,
datatype="oodtest_latest",
writetopics=args.save_output_topics)
def main():
print("Loading data from '%s'" % opt.data)
dataset = torch.load(opt.data)
dict_checkpoint = opt.train_from if opt.train_from else opt.train_from_state_dict
if dict_checkpoint:
print('Loading dicts from checkpoint at %s' % dict_checkpoint)
checkpoint = torch.load(dict_checkpoint)
dataset['dicts'] = checkpoint['dicts']
trainData = Dataset(dataset['train']['src'], dataset['train']['tgt'],
opt.batch_size, opt.gpus)
validData = Dataset(dataset['valid']['src'],
dataset['valid']['tgt'],
opt.batch_size,
opt.gpus,
volatile=True)
dicts = dataset['dicts']
print(' * vocabulary size. source = %d; target = %d' %
(len(dicts["word2index"]['src']), len(dicts["word2index"]['tgt'])))
print(' * number of training sentences. %d' % len(dataset['train']['src']))
print(' * maximum batch size. %d' % opt.batch_size)
print('Building model...')
encoder = Encoder(opt, len(dicts["word2index"]['src']))
decoder = Decoder(opt, len(dicts["word2index"]['tgt']))
generator = nn.Sequential(
nn.Linear(opt.hidden_size * 2, len(dicts["word2index"]['tgt'])),
nn.LogSoftmax())
model = NMTModel(encoder, decoder)
if opt.train_from:
print('Loading model from checkpoint at %s' % opt.train_from)
chk_model = checkpoint['model']
generator_state_dict = chk_model.generator.state_dict()
model_state_dict = {
k: v
for k, v in chk_model.state_dict().items() if 'generator' not in k
}
model.load_state_dict(model_state_dict)
generator.load_state_dict(generator_state_dict)
opt.start_epoch = checkpoint['epoch'] + 1
if opt.train_from_state_dict:
print('Loading model from checkpoint at %s' %
opt.train_from_state_dict)
model.load_state_dict(checkpoint['model'])
generator.load_state_dict(checkpoint['generator'])
opt.start_epoch = checkpoint['epoch'] + 1
if len(opt.gpus) >= 1:
model.cuda()
generator.cuda()
else:
model.cpu()
generator.cpu()
if len(opt.gpus) > 1:
model = nn.DataParallel(model, device_ids=opt.gpus, dim=1)
generator = nn.DataParallel(generator, device_ids=opt.gpus, dim=0)
model.generator = generator
if not opt.train_from_state_dict and not opt.train_from:
for p in model.parameters():
p.data.uniform_(-opt.param_init, opt.param_init)
encoder.load_pretrained_vectors(opt)
decoder.load_pretrained_vectors(opt)
optim = Optim(opt.optim,
opt.learning_rate,
opt.max_grad_norm,
lr_decay=opt.learning_rate_decay,
start_decay_at=opt.start_decay_at)
else:
print('Loading optimizer from checkpoint:')
optim = checkpoint['optim']
print(optim)
optim.set_parameters(model.parameters())
if opt.train_from or opt.train_from_state_dict:
optim.optimizer.load_state_dict(
checkpoint['optim'].optimizer.state_dict())
nParams = sum([p.nelement() for p in model.parameters()])
print('* number of parameters: %d' % nParams)
criterion = NMTCriterion(len(dicts["word2index"]['tgt']))
trainModel(model, trainData, validData, dataset, optim, criterion)
def main(hparams: HParams):
'''
setup training.
'''
if torch.cuda.is_available() and not hparams.gpus:
warnings.warn(
'WARNING: you have a CUDA device, so you should probably run with -gpus 0'
)
device = torch.device(hparams.gpus if torch.cuda.is_available() else 'cpu')
# data setup
print(f"Loading vocabulary...")
text_preprocessor = TextPreprocessor.load(hparams.preprocessor_path)
transform = transforms.Compose([
transforms.Resize([hparams.img_size, hparams.img_size]),
transforms.RandomCrop([hparams.crop_size, hparams.crop_size]),
transforms.RandomHorizontalFlip(),
transforms.ToTensor(),
transforms.Normalize((0.485, 0.456, 0.406), (0.229, 0.224, 0.225))
])
# create dataloader
print('Creating DataLoader...')
normal_data_loader = get_image_caption_loader(
hparams.img_dir,
hparams.normal_caption_path,
text_preprocessor,
hparams.normal_batch_size,
transform,
shuffle=True,
num_workers=hparams.num_workers,
)
style_data_loader = get_caption_loader(
hparams.style_caption_path,
text_preprocessor,
batch_size=hparams.style_batch_size,
shuffle=True,
num_workers=hparams.num_workers,
)
if hparams.train_from:
# loading checkpoint
print('Loading checkpoint...')
checkpoint = torch.load(hparams.train_from)
else:
normal_opt = Optim(
hparams.optimizer,
hparams.normal_lr,
hparams.max_grad_norm,
hparams.lr_decay,
hparams.start_decay_at,
)
style_opt = Optim(
hparams.optimizer,
hparams.style_lr,
hparams.max_grad_norm,
hparams.lr_decay,
hparams.start_decay_at,
)
print('Building model...')
encoder = EncoderCNN(hparams.hidden_dim)
decoder = FactoredLSTM(hparams.embed_dim,
text_preprocessor.vocab_size,
hparams.hidden_dim,
hparams.style_dim,
hparams.num_layers,
hparams.random_init,
hparams.dropout_ratio,
train=True,
device=device)
encoder = encoder.to(device)
decoder = decoder.to(device)
# loss and optimizer
criterion = nn.CrossEntropyLoss(ignore_index=text_preprocessor.PAD_ID)
normal_params = list(encoder.parameters()) + list(
decoder.default_parameters())
style_params = list(decoder.style_parameters())
normal_opt.set_parameters(normal_params)
style_opt.set_parameters(style_params)
if hparams.train_from:
encoder.load_state_dict(checkpoint['encoder'])
decoder.load_state_dict(checkpoint['decoder'])
normal_opt.load_state_dict(checkpoint['normal_opt'])
style_opt.load_state_dict(checkpoint['style_opt'])
# traininig loop
print('Start training...')
for epoch in range(hparams.num_epoch):
# result
sum_normal_loss, sum_style_loss, sum_normal_ppl, sum_style_ppl = 0, 0, 0, 0
# normal caption
for i, (images, in_captions, out_captions,
lengths) in enumerate(normal_data_loader):
images = images.to(device)
in_captions = in_captions.to(device)
out_captions = out_captions.contiguous().view(-1).to(device)
# Forward, backward and optimize
features = encoder(images)
outputs = decoder(in_captions, features, mode='default')
loss = criterion(outputs.view(-1, outputs.size(-1)), out_captions)
encoder.zero_grad()
decoder.zero_grad()
loss.backward()
normal_opt.step()
# print log
sum_normal_loss += loss.item()
sum_normal_ppl += np.exp(loss.item())
if i % hparams.normal_log_step == 0:
print(
f'Epoch [{epoch}/{hparams.num_epoch}], Normal Step: [{i}/{len(normal_data_loader)}] '
f'Normal Loss: {loss.item():.4f}, Perplexity: {np.exp(loss.item()):5.4f}'
)
# style caption
for i, (in_captions, out_captions,
lengths) in enumerate(style_data_loader):
in_captions = in_captions.to(device)
out_captions = out_captions.contiguous().view(-1).to(device)
# Forward, backward and optimize
outputs = decoder(in_captions, None, mode='style')
loss = criterion(outputs.view(-1, outputs.size(-1)), out_captions)
decoder.zero_grad()
loss.backward()
style_opt.step()
sum_style_loss += loss.item()
sum_style_ppl += np.exp(loss.item())
# print log
if i % hparams.style_log_step == 0:
print(
f'Epoch [{epoch}/{hparams.num_epoch}], Style Step: [{i}/{len(style_data_loader)}] '
f'Style Loss: {loss.item():.4f}, Perplexity: {np.exp(loss.item()):5.4f}'
)
model_params = {
'encoder': encoder.state_dict(),
'decoder': decoder.state_dict(),
'epoch': epoch,
'normal_opt': normal_opt.optimizer.state_dict(),
'style_opt': style_opt.optimizer.state_dict(),
}
avg_normal_loss = sum_normal_loss / len(normal_data_loader)
avg_style_loss = sum_style_loss / len(style_data_loader)
avg_normal_ppl = sum_normal_ppl / len(normal_data_loader)
avg_style_ppl = sum_style_ppl / len(style_data_loader)
print(f'Epoch [{epoch}/{hparams.num_epoch}] statistics')
print(
f'Normal Loss: {avg_normal_loss:.4f} Normal ppl: {avg_normal_ppl:5.4f} '
f'Style Loss: {avg_style_loss:.4f} Style ppl: {avg_style_ppl:5.4f}'
)
torch.save(
model_params,
f'{hparams.model_path}/n-loss_{avg_normal_loss:.4f}_s-loss_{avg_style_loss:.4f}_'
f'n-ppl_{avg_normal_ppl:5.4f}_s-ppl_{avg_style_ppl:5.4f}_epoch_{epoch}.pt'
)
def main():
args = make_parser().parse_args()
print("[Model hyperparams]: {}".format(str(args)))
cuda = torch.cuda.is_available() and args.cuda
device = torch.device("cpu") if not cuda else torch.device("cuda:"+str(args.gpu))
seed_everything(seed=1337, cuda=cuda)
vectors = None #don't use pretrained vectors
# vectors = load_pretrained_vectors(args.emsize)
# Load dataset iterators
if args.data in ["RT_GENDER"]:
if args.finetune:
iters, TEXT, LABEL, INDEX = make_rt_gender(args.batch_size, base_path=args.base_path, train_file=args.train_file, valid_file=args.valid_file, test_file=args.test_file, device=device, vectors=vectors, topics=False)
else:
iters, TEXT, LABEL, TOPICS, INDEX = make_rt_gender(args.batch_size, base_path=args.base_path, train_file=args.train_file, valid_file=args.valid_file, test_file=args.test_file, device=device, vectors=vectors, topics=True)
train_iter, val_iter, test_iter = iters
else:
assert False
if not args.finetune:
for batch in train_iter:
args.num_topics = batch.topics.shape[1]
break
print("[Corpus]: train: {}, test: {}, vocab: {}, labels: {}".format(
len(train_iter.dataset), len(test_iter.dataset), len(TEXT.vocab), len(LABEL.vocab)))
if args.model == "CNN":
args.embed_num = len(TEXT.vocab)
args.nlabels = len(LABEL.vocab)
args.kernel_sizes = [int(k) for k in args.kernel_sizes.split(',')]
args.embed_dim = args.emsize
classifier_model = CNN_Text_GANLike(args)
topic_decoder = nn.Sequential(nn.Linear(len(args.kernel_sizes)*args.kernel_num, args.num_topics), nn.LogSoftmax(dim=-1))
else:
ntokens, nlabels = len(TEXT.vocab), len(LABEL.vocab)
args.nlabels = nlabels # hack to not clutter function arguments
embedding = nn.Embedding(ntokens, args.emsize, padding_idx=1)
encoder = Encoder(args.emsize, args.hidden, nlayers=args.nlayers,
dropout=args.drop, bidirectional=args.bi, rnn_type=args.rnn_model)
attention_dim = args.hidden if not args.bi else 2*args.hidden
attention = BahdanauAttention(attention_dim, attention_dim)
if args.bottleneck_dim == 0:
classifier_model = Classifier_GANLike(embedding, encoder, attention, attention_dim, nlabels)
topic_decoder = [nn.Sequential(nn.Dropout(args.topic_drop), nn.Linear(attention_dim, args.num_topics), nn.LogSoftmax())]
else:
classifier_model = Classifier_GANLike_bottleneck(embedding, encoder, attention, attention_dim, nlabels, bottleneck_dim=args.bottleneck_dim)
topic_decoder = [nn.Sequential(nn.Dropout(args.topic_drop), nn.Linear(args.bottleneck_dim, args.num_topics), nn.LogSoftmax())]
classifier_model.to(device)
topic_decoder[0].to(device)
classify_criterion = nn.CrossEntropyLoss()
topic_criterion = nn.KLDivLoss(size_average=False)
classify_optim = Optim(args.optim, args.lr, args.clip)
topic_optim = Optim(args.optim, args.lr, args.clip)
for p in classifier_model.parameters():
if not p.requires_grad:
print ("OMG", p)
p.requires_grad = True
p.data.uniform_(-args.param_init, args.param_init)
for p in topic_decoder[0].parameters():
if not p.requires_grad:
print ("OMG", p)
p.requires_grad = True
p.data.uniform_(-args.param_init, args.param_init)
classify_optim.set_parameters(classifier_model.parameters())
topic_optim.set_parameters(topic_decoder[0].parameters())
if args.load:
if args.latest:
best_model = torch.load(args.save_dir+"/"+args.model_name+"_latestmodel")
else:
best_model = torch.load(args.save_dir+"/"+args.model_name+"_bestmodel")
else:
try:
best_valid_loss = None
best_model = None
#pretraining the classifier
for epoch in range(1, args.pretrain_epochs+1):
pretrain_classifier(classifier_model, train_iter, classify_optim, classify_criterion, args, epoch)
loss = evaluate(classifier_model, topic_decoder, val_iter, classify_criterion, topic_criterion, args)
#oodLoss = evaluate(classifier_model, outdomain_test_iter[0], classify_criterion, args, datatype="oodtest")
if not best_valid_loss or loss < best_valid_loss:
best_valid_loss = loss
print ("Updating best pretrained_model")
best_model = copy.deepcopy(classifier_model)
torch.save(best_model, args.save_dir+"/"+args.model_name+"_pretrained_bestmodel")
torch.save(classifier_model, args.save_dir+"/"+args.model_name+"_pretrained_latestmodel")
print("Done pretraining")
print()
best_valid_loss = None
best_model = None
#alternating training like GANs
for epoch in range(1, args.epochs + 1):
for t_step in range(1, args.t_steps+1):
print()
print("Training topic predictor")
train_topic_predictor(classifier_model, topic_decoder[-1], train_iter, topic_optim, topic_criterion, args, epoch, args.t_steps)
if args.reset_classifier:
for p in classifier_model.parameters():
if not p.requires_grad:
print ("OMG", p)
p.requires_grad = True
p.data.uniform_(-args.param_init, args.param_init)
for c_step in range(1, args.c_steps+1):
print()
print("Training classifier")
train_classifier(classifier_model, topic_decoder, train_iter, classify_optim, classify_criterion, topic_criterion, args, epoch, args.c_steps)
loss = evaluate(classifier_model, topic_decoder, val_iter, classify_criterion, topic_criterion, args)
#oodLoss = evaluate(classifier_model, outdomain_test_iter[0], classify_criterion, args, datatype="oodtest")
#creating a new instance of a decoder
attention_dim = args.hidden if not args.bi else 2*args.hidden
if args.bottleneck_dim == 0:
topic_decoder.append(nn.Sequential(nn.Dropout(args.topic_drop), nn.Linear(attention_dim, args.num_topics), nn.LogSoftmax()))
else:
topic_decoder.append(nn.Sequential(nn.Dropout(args.topic_drop), nn.Linear(args.bottleneck_dim, args.num_topics), nn.LogSoftmax()))
#attaching a new optimizer to the new topic decode
topic_decoder[-1].to(device)
topic_optim = Optim(args.optim, args.lr, args.clip)
for p in topic_decoder[-1].parameters():
if not p.requires_grad:
print ("OMG", p)
p.requires_grad = True
p.data.uniform_(-args.param_init, args.param_init)
topic_optim.set_parameters(topic_decoder[-1].parameters())
if not best_valid_loss or loss < best_valid_loss:
best_valid_loss = loss
print ("Updating best model")
best_model = copy.deepcopy(classifier_model)
torch.save(best_model, args.save_dir+"/"+args.model_name+"_bestmodel")
torch.save(classifier_model, args.save_dir+"/"+args.model_name+"_latestmodel")
except KeyboardInterrupt:
print("[Ctrl+C] Training stopped!")
if args.finetune:
best_valid_loss = None
for c_step in range(1, args.c_steps+1):
print()
print("Fine-tuning classifier")
train_classifier(classifier_model, None, train_iter, classify_optim, classify_criterion, None, args, c_step, args.c_steps)
loss = evaluate(classifier_model, topic_decoder, val_iter, classify_criterion, topic_criterion, args)
if not best_valid_loss or loss < best_valid_loss:
best_valid_loss = loss
print ("Updating best model")
best_model = copy.deepcopy(classifier_model)
torch.save(best_model, args.save_dir+"/"+args.model_name+"finetune_bestmodel")
torch.save(classifier_model, args.save_dir+"/"+args.model_name+"finetune_latestmodel")
if not args.load:
trainloss = evaluate(best_model, topic_decoder, train_iter, classify_criterion, topic_criterion, args, datatype='train', itos=TEXT.vocab.itos, litos=LABEL.vocab.itos)
valloss = evaluate(best_model, topic_decoder, val_iter, classify_criterion, topic_criterion, args, datatype='valid', itos=TEXT.vocab.itos, litos=LABEL.vocab.itos)
loss = evaluate(best_model, topic_decoder, test_iter, classify_criterion, topic_criterion, args, datatype=os.path.basename(args.test_file).replace(".txt", "").replace(".tsv", ""), itos=TEXT.vocab.itos, litos=LABEL.vocab.itos)
if args.ood_test_file:
loss = evaluate(best_model, topic_decoder, test_iter, classify_criterion, topic_criterion, args, datatype=os.path.basename(args.ood_test_file).replace(".txt", "").replace(".tsv", ""), itos=TEXT.vocab.itos, litos=LABEL.vocab.itos)