def main():
global char2index
global index2char
global SOS_token
global EOS_token
global PAD_token
parser = argparse.ArgumentParser(description='Speech hackathon Baseline')
parser.add_argument('--hidden_size',
type=int,
default=512,
help='hidden size of model (default: 256)')
parser.add_argument('--layer_size',
type=int,
default=3,
help='number of layers of model (default: 3)')
parser.add_argument('--dropout',
type=float,
default=0.2,
help='dropout rate in training (default: 0.2)')
parser.add_argument(
'--bidirectional',
action='store_true',
help='use bidirectional RNN for encoder (default: False)')
parser.add_argument(
'--use_attention',
action='store_true',
help='use attention between encoder-decoder (default: False)')
parser.add_argument('--batch_size',
type=int,
default=32,
help='batch size in training (default: 32)')
parser.add_argument(
'--workers',
type=int,
default=4,
help='number of workers in dataset loader (default: 4)')
parser.add_argument('--max_epochs',
type=int,
default=10,
help='number of max epochs in training (default: 10)')
parser.add_argument('--lr',
type=float,
default=1e-04,
help='learning rate (default: 0.0001)')
parser.add_argument('--teacher_forcing',
type=float,
default=0.5,
help='teacher forcing ratio in decoder (default: 0.5)')
parser.add_argument('--max_len',
type=int,
default=80,
help='maximum characters of sentence (default: 80)')
parser.add_argument('--no_cuda',
action='store_true',
default=False,
help='disables CUDA training')
parser.add_argument('--seed',
type=int,
default=1,
help='random seed (default: 1)')
parser.add_argument('--save_name',
type=str,
default='model',
help='the name of model in nsml or local')
parser.add_argument('--mode', type=str, default='train')
parser.add_argument("--pause", type=int, default=0)
parser.add_argument('--rnn_cell', type=str, default='gru')
parser.add_argument("--iteration", type=int, default=0)
parser.add_argument('--feature', type=str, default='spec')
parser.add_argument('--save_dir', type=str, default='')
args = parser.parse_args()
char2index, index2char = label_loader.load_label('./hackathon.labels')
SOS_token = char2index['<s>']
EOS_token = char2index['</s>']
PAD_token = char2index['_']
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
args.cuda = not args.no_cuda and torch.cuda.is_available()
device = torch.device('cuda' if args.cuda else 'cpu')
logger.info('Using %s as feature' % args.feature)
if args.save_dir:
logger.info('Save directory: %s' % args.save_dir)
os.makedirs(args.save_dir, exist_ok=True)
# N_FFT: defined in loader.py
if args.feature == 'mfcc':
feature_size = N_MFCC * 3 # concat of mfcc, mfcc' mfcc''
elif args.feature == 'melspec':
feature_size = N_MELS
elif args.feature == 'spec':
feature_size = N_FFT / 2 + 1
else:
raise ValueError('Unsupported feature %s' % args.feature)
enc = EncoderRNN(feature_size,
args.hidden_size,
input_dropout_p=args.dropout,
dropout_p=args.dropout,
n_layers=args.layer_size,
bidirectional=args.bidirectional,
rnn_cell=args.rnn_cell,
variable_lengths=False)
dec = DecoderRNN(len(char2index),
args.max_len,
args.hidden_size * (2 if args.bidirectional else 1),
SOS_token,
EOS_token,
n_layers=args.layer_size,
rnn_cell=args.rnn_cell,
bidirectional=args.bidirectional,
input_dropout_p=args.dropout,
dropout_p=args.dropout,
use_attention=args.use_attention)
model = Seq2seq(enc, dec)
model.flatten_parameters()
for param in model.parameters():
param.data.uniform_(-0.08, 0.08)
model = nn.DataParallel(model).to(device)
optimizer = optim.Adam(model.module.parameters(), lr=args.lr)
criterion = nn.CrossEntropyLoss(reduction='sum',
ignore_index=PAD_token).to(device)
bind_model(model, optimizer, args.feature)
if args.pause != 1:
nsml.load(checkpoint='10', session='team236/sr-hack-2019-dataset/122')
nsml.save('init')
logger.info('Saved!')
if args.pause == 1:
nsml.paused(scope=locals())
if args.mode != "train":
return
data_list = os.path.join(DATASET_PATH, 'train_data', 'data_list.csv')
wav_paths = list()
script_paths = list()
# load all target scripts for reducing disk i/o
target_path = os.path.join(DATASET_PATH, 'train_label')
target_dict = load_targets(target_path)
with open(data_list, 'r') as f:
for line in f:
# line: "aaa.wav,aaa.label"
wav_path, script_path = line.strip().split(',')
wav_paths.append(os.path.join(DATASET_PATH, 'train_data',
wav_path))
script_paths.append(
os.path.join(DATASET_PATH, 'train_data', script_path))
best_loss = 1e10
begin_epoch = 0
train_dataset, valid_dataset = split_dataset(args,
wav_paths,
script_paths,
target_dict,
args.feature,
valid_ratio=0.05)
train_begin = time.time()
for epoch in range(begin_epoch, args.max_epochs):
train_loader = torch.utils.data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.workers,
collate_fn=collate_fn)
train_loss, train_cer = train(model, train_loader, criterion,
optimizer, device, train_begin, 10,
args.teacher_forcing)
logger.info('Epoch %d (Training) Loss %0.4f CER %0.4f' %
(epoch, train_loss, train_cer))
valid_loader = torch.utils.data.DataLoader(valid_dataset,
batch_size=4,
shuffle=False,
num_workers=args.workers,
collate_fn=collate_fn)
eval_loss, eval_cer = evaluate(model, valid_loader, criterion, device)
logger.info('Epoch %d (Evaluate) Loss %0.4f CER %0.4f' %
(epoch, eval_loss, eval_cer))
nsml.report(False,
step=epoch,
train_epoch__loss=train_loss,
train_epoch__cer=train_cer,
eval__loss=eval_loss,
eval__cer=eval_cer)
best_model = (eval_loss < best_loss)
nsml.save(args.save_name)
nsml.save(str(epoch))
if args.save_dir:
save_model(
model, optimizer,
os.path.join(args.save_dir,
'./epoch-%d-cer-%d.pt' % (epoch, eval_cer)))
if best_model:
nsml.save('best')
best_loss = eval_loss
def main():
global char2index
global index2char
global SOS_token
global EOS_token
global PAD_token
parser = argparse.ArgumentParser(description='Speech hackathon Baseline')
parser.add_argument('--hidden_size',
type=int,
default=512,
help='hidden size of model (default: 256)')
parser.add_argument('--layer_size',
type=int,
default=1,
help='number of layers of model (default: 3)')
parser.add_argument('--dropout',
type=float,
default=0,
help='dropout rate in training (default: 0.2)')
parser.add_argument(
'--bidirectional',
action='store_true',
help='use bidirectional RNN for encoder (default: False)')
parser.add_argument(
'--use_attention',
action='store_true',
help='use attention between encoder-decoder (default: False)')
parser.add_argument('--batch_size',
type=int,
default=16,
help='batch size in training (default: 8)')
parser.add_argument(
'--workers',
type=int,
default=4,
help='number of workers in dataset loader (default: 4)')
parser.add_argument('--max_epochs',
type=int,
default=100,
help='number of max epochs in training (default: 10)')
parser.add_argument('--lr',
type=float,
default=1e-04,
help='learning rate (default: 0.0001)')
parser.add_argument('--teacher_forcing',
type=float,
default=0,
help='teacher forcing ratio in decoder (default: 0.5)')
parser.add_argument('--max_len',
type=int,
default=80,
help='maximum characters of sentence (default: 80)')
parser.add_argument('--no_cuda',
action='store_true',
default=False,
help='disables CUDA training')
parser.add_argument('--seed',
type=int,
default=1,
help='random seed (default: 1)')
parser.add_argument('--save_name',
type=str,
default='model',
help='the name of model in nsml or local')
parser.add_argument('--mode', type=str, default='train')
parser.add_argument("--pause", type=int, default=0)
args = parser.parse_args()
char2index, index2char = label_loader.load_label('./hackathon.labels')
SOS_token = char2index['<s>']
EOS_token = char2index['</s>']
PAD_token = char2index['_']
######## embeding function
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
args.cuda = not args.no_cuda and torch.cuda.is_available()
device = torch.device('cuda' if args.cuda else 'cpu')
# N_FFT: defined in loader.py
feature_size = N_FFT / 2 + 1
# enc = EncoderRNN(feature_size, args.hidden_size,
# input_dropout_p=args.dropout, dropout_p=args.dropout,
# n_layers=args.layer_size, bidirectional=args.bidirectional, rnn_cell='gru', variable_lengths=False)
enc = PBlstm.Listener(feature_size, args.hidden_size, 3, 'LSTM', True,
args.dropout)
dec = DecoderRNN(len(char2index),
args.max_len,
args.hidden_size * (2 if True else 1),
SOS_token,
EOS_token,
n_layers=args.layer_size,
rnn_cell='LSTM',
bidirectional=True,
input_dropout_p=args.dropout,
dropout_p=args.dropout,
use_attention=args.use_attention)
model = Seq2seq(enc, dec)
model.flatten_parameters()
# for name, param in model.named_parameters():
# if param.requires_grad:
# print(name)
# print(param.data.shape)
# encoder.conv.0.weight
# torch.Size([32, 1, 41, 11])
# encoder.conv.0.bias
# torch.Size([32])
# encoder.conv.1.weight
# torch.Size([32])
# encoder.conv.1.bias
# torch.Size([32])
# encoder.conv.3.weight
# torch.Size([32, 32, 21, 11])
# encoder.conv.3.bias
# torch.Size([32])
# encoder.conv.4.weight
# torch.Size([32])
# encoder.conv.4.bias
# torch.Size([32])
# encoder.rnn.weight_ih_l0
# torch.Size([1536, 4128])
# encoder.rnn.weight_hh_l0
# torch.Size([1536, 512])
# encoder.rnn.bias_ih_l0
# torch.Size([1536])
# encoder.rnn.bias_hh_l0
# torch.Size([1536])
# encoder.rnn.weight_ih_l1
# torch.Size([1536, 512])
# encoder.rnn.weight_hh_l1
# torch.Size([1536, 512])
# encoder.rnn.bias_ih_l1
# torch.Size([1536])
# encoder.rnn.bias_hh_l1
# torch.Size([1536])
# encoder.rnn.weight_ih_l2
# torch.Size([1536, 512])
# encoder.rnn.weight_hh_l2
# torch.Size([1536, 512])
# encoder.rnn.bias_ih_l2
# torch.Size([1536])
# encoder.rnn.bias_hh_l2
# torch.Size([1536])
# decoder.rnn.weight_ih_l0
# torch.Size([1536, 512])
# decoder.rnn.weight_hh_l0
# torch.Size([1536, 512])
# decoder.rnn.bias_ih_l0
# torch.Size([1536])
# decoder.rnn.bias_hh_l0
# torch.Size([1536])
# decoder.rnn.weight_ih_l1
# torch.Size([1536, 512])
# decoder.rnn.weight_hh_l1
# torch.Size([1536, 512])
# decoder.rnn.bias_ih_l1
# torch.Size([1536])
# decoder.rnn.bias_hh_l1
# torch.Size([1536])
# decoder.rnn.weight_ih_l2
# torch.Size([1536, 512])
# decoder.rnn.weight_hh_l2
# torch.Size([1536, 512])
# decoder.rnn.bias_ih_l2
# torch.Size([1536])
# decoder.rnn.bias_hh_l2
# torch.Size([1536])
# decoder.embedding.weight
# torch.Size([820, 512])
# decoder.out.weight
# torch.Size([820, 512])
# decoder.out.bias
# torch.Size([820])
for param in model.parameters():
param.data.uniform_(-0.08, 0.08)
model = nn.DataParallel(model).to(device)
optimizer = optim.Adam(model.module.parameters(), lr=args.lr)
criterion = nn.CrossEntropyLoss(reduction='sum',
ignore_index=PAD_token).to(device)
bind_model(model, optimizer)
if args.pause == 1:
nsml.paused(scope=locals())
if args.mode != "train":
return
nsml.load(checkpoint='4', session='team147/sr-hack-2019-dataset/787')
nsml.save('787_4')
# exit()
data_list = os.path.join(DATASET_PATH, 'train_data', 'data_list.csv')
################################################ 원본
# wav_paths = list()
# script_paths = list()
# with open(data_list, 'r') as f:
# for line in f:
# # line: "aaa.wav,aaa.label"
# wav_path, script_path = line.strip().split(',')
# wav_paths.append(os.path.join(DATASET_PATH, 'train_data', wav_path))
# script_paths.append(os.path.join(DATASET_PATH, 'train_data', script_path))
######################################## time sorting ###########
wav_paths = list()
script_paths = list()
wav_path_len = list()
with open(data_list, 'r') as f:
for line in f:
# line: "aaa.wav,aaa.label"
wav_path, script_path = line.strip().split(',')
wav_paths.append(os.path.join(DATASET_PATH, 'train_data',
wav_path))
script_paths.append(
os.path.join(DATASET_PATH, 'train_data', script_path))
wav_path = (os.path.join(DATASET_PATH, 'train_data', wav_path))
with contextlib.closing(wave.open(wav_path, 'r')) as wav_file:
frames = wav_file.getnframes()
rate = wav_file.getframerate()
length = frames / float(rate)
wav_path_len.append((wav_path, length))
# script_paths.append(os.path.join(DATASET_PATH, 'train_data', script_path))
best_loss = 1e10
best_cer = 1e10
begin_epoch = 0
# load all target scripts for reducing disk i/o
target_path = os.path.join(DATASET_PATH, 'train_label')
load_targets(target_path)
train_batch_num, train_dataset_list, valid_dataset = split_dataset(
args, wav_paths, script_paths, wav_path_len, valid_ratio=0.05)
logger.info('start')
train_begin = time.time()
# ctc = nn.CTCLoss(blank=0, reduction='mean').to(device)
epoch_chk = 0
for epoch in range(begin_epoch, args.max_epochs):
train_queue = queue.Queue(args.workers * 2)
train_loader = MultiLoader(train_dataset_list, train_queue,
args.batch_size, args.workers)
train_loader.start()
train_loss, train_cer = train(model, train_batch_num, train_queue,
criterion, optimizer, device,
train_begin, args.workers, 10,
args.teacher_forcing)
logger.info('Epoch %d (Training) Loss %0.4f CER %0.4f' %
(epoch, train_loss, train_cer))
train_loader.join()
valid_queue = queue.Queue(args.workers * 2)
valid_loader = BaseDataLoader(valid_dataset, valid_queue,
args.batch_size, 0)
valid_loader.start()
eval_loss, eval_cer = evaluate(model, valid_loader, valid_queue,
criterion, device)
logger.info('Epoch %d (Evaluate) Loss %0.4f CER %0.4f' %
(epoch, eval_loss, eval_cer))
valid_loader.join()
nsml.report(False,
step=epoch,
train_epoch__loss=train_loss,
train_epoch__cer=train_cer,
eval__loss=eval_loss,
eval__cer=eval_cer)
nsml.save(epoch_chk)
epoch_chk += 1
def main():
global char2index
global index2char
global SOS_token
global EOS_token
global PAD_token
parser = argparse.ArgumentParser(description='Speech hackathon Baseline')
parser.add_argument('--hidden_size', type=int, default=256, help='hidden size of model (default: 256)')
parser.add_argument('--embedding_size', type=int, default=64, help=' size of embedding dimension (default: 64)')
parser.add_argument('--encoder_layer_size', type=int, default=4, help='number of layers of model (default: 3)')
parser.add_argument('--decoder_layer_size', type=int, default=3, help='number of layers of model (default: 3)')
parser.add_argument('--dropout', type=float, default=0.2, help='dropout rate in training (default: 0.2)')
parser.add_argument('--batch_size', type=int, default=32, help='batch size in training (default: 32)')
parser.add_argument('--workers', type=int, default=4, help='number of workers in dataset loader (default: 4)')
parser.add_argument('--max_epochs', type=int, default=10, help='number of max epochs in training (default: 10)')
parser.add_argument('--lr', type=float, default=1e-04, help='learning rate (default: 0.0001)')
parser.add_argument('--teacher_forcing', type=float, default=1.0, help='teacher forcing ratio in decoder (default: 1.0)')
parser.add_argument('--max_len', type=int, default=80, help='maximum characters of sentence (default: 80)')
parser.add_argument('--no_cuda', action='store_true', default=False, help='disables CUDA training')
parser.add_argument('--seed', type=int, default=1, help='random seed (default: 1)')
parser.add_argument('--save_name', type=str, default='model', help='the name of model in nsml or local')
parser.add_argument('--mode', type=str, default='train')
parser.add_argument("--pause", type=int, default=0)
args = parser.parse_args()
char2index, index2char = label_loader.load_label('./hackathon.labels')
SOS_token = char2index['<s>']
EOS_token = char2index['</s>']
PAD_token = char2index['_']
vocab_size = len(char2index)
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
args.cuda = not args.no_cuda and torch.cuda.is_available()
device = torch.device('cuda' if args.cuda else 'cpu')
# N_FFT: defined in loader.py
feature_size = MEL_FILTERS
enc = ListenRNN(feature_size, args.hidden_size,
input_dropout_p=args.dropout, dropout_p=args.dropout,
n_layers=args.encoder_layer_size, rnn_cell='gru')
dec = AttendSpellRNN(vocab_size, args.max_len, args.hidden_size * 2,
SOS_token, EOS_token,
n_layers=args.decoder_layer_size, rnn_cell='gru', embedding_size=args.embedding_size,
input_dropout_p=args.dropout, dropout_p=args.dropout, beam_width=4, device=device)
model = Seq2seq(enc, dec)
model.flatten_parameters()
model = nn.DataParallel(model).to(device)
optimizer = optim.Adam(model.module.parameters(), lr=args.lr)
scheduler = optim.lr_scheduler.MultiStepLR(optimizer, milestones=[20, 35, 45], gamma=0.5)
criterion = LabelSmoothingLoss(vocab_size, ignore_index=PAD_token, smoothing=0.1, dim=-1)
bind_model(model, optimizer)
if args.pause == 1:
nsml.paused(scope=locals())
if args.mode != "train":
return
data_list = os.path.join(DATASET_PATH, 'train_data', 'data_list.csv')
wav_paths = list()
script_paths = list()
with open(data_list, 'r') as f:
for line in f:
# line: "aaa.wav,aaa.label"
wav_path, script_path = line.strip().split(',')
wav_paths.append(os.path.join(DATASET_PATH, 'train_data', wav_path))
script_paths.append(os.path.join(DATASET_PATH, 'train_data', script_path))
best_loss = 1e10
best_cer = 1e10
begin_epoch = 0
# load all target scripts for reducing disk i/o
target_path = os.path.join(DATASET_PATH, 'train_label')
load_targets(target_path)
train_batch_num, train_dataset_list, valid_dataset = split_dataset(args, wav_paths, script_paths, valid_ratio=0.05)
logger.info('start')
train_begin = time.time()
for epoch in range(begin_epoch, args.max_epochs):
if epoch == begin_epoch:
for group in optimizer.param_groups:
group['lr'] = 0
train_queue = queue.Queue(args.workers * 2)
train_loader = MultiLoader(train_dataset_list, train_queue, args.batch_size, args.workers)
train_loader.start()
train_loss, train_cer = train(model, train_batch_num, train_queue, criterion, optimizer, device, train_begin, args.workers, 10, args.teacher_forcing, epoch == begin_epoch, args.lr)
logger.info('Epoch %d (Training) Loss %0.4f CER %0.4f' % (epoch, train_loss, train_cer))
train_loader.join()
valid_queue = queue.Queue(args.workers * 2)
valid_loader = BaseDataLoader(valid_dataset, valid_queue, args.batch_size, 0)
valid_loader.start()
eval_loss, eval_cer = evaluate(model, valid_loader, valid_queue, criterion, device)
logger.info('Epoch %d (Evaluate) Loss %0.4f CER %0.4f' % (epoch, eval_loss, eval_cer))
valid_loader.join()
nsml.report(False,
step=epoch, train_epoch__loss=train_loss, train_epoch__cer=train_cer,
eval__loss=eval_loss, eval__cer=eval_cer)
best_model = (eval_cer < best_cer)
nsml.save(args.save_name)
if best_model:
nsml.save('best' + str(eval_cer))
best_cer = eval_cer
scheduler.step()
def main():
global char2index
global index2char
global SOS_token
global EOS_token
global PAD_token
parser = argparse.ArgumentParser(description='Speech hackathon Baseline')
parser.add_argument('--hidden_size',
type=int,
default=512,
help='hidden size of model (default: 256)')
parser.add_argument('--layer_size',
type=int,
default=3,
help='number of layers of model (default: 3)')
parser.add_argument('--dropout',
type=float,
default=0.2,
help='dropout rate in training (default: 0.2)')
parser.add_argument(
'--bidirectional',
action='store_true',
help='use bidirectional RNN for encoder (default: False)')
parser.add_argument(
'--use_attention',
action='store_true',
help='use attention between encoder-decoder (default: False)')
parser.add_argument('--batch_size',
type=int,
default=32,
help='batch size in training (default: 32)')
parser.add_argument(
'--workers',
type=int,
default=4,
help='number of workers in dataset loader (default: 4)')
parser.add_argument('--max_epochs',
type=int,
default=10,
help='number of max epochs in training (default: 10)')
parser.add_argument('--lr',
type=float,
default=1e-04,
help='learning rate (default: 0.0001)')
parser.add_argument('--teacher_forcing',
type=float,
default=0.5,
help='teacher forcing ratio in decoder (default: 0.5)')
parser.add_argument('--max_len',
type=int,
default=80,
help='maximum characters of sentence (default: 80)')
parser.add_argument('--no_cuda',
action='store_true',
default=False,
help='disables CUDA training')
parser.add_argument('--seed',
type=int,
default=1,
help='random seed (default: 1)')
parser.add_argument('--save_name',
type=str,
default='model',
help='the name of model in nsml or local')
parser.add_argument('--mode', type=str, default='train')
parser.add_argument("--pause", type=int, default=0)
args = parser.parse_args()
char2index, index2char = label_loader.load_label('./hackathon.labels')
SOS_token = char2index['<s>']
EOS_token = char2index['</s>']
PAD_token = char2index['_']
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
args.cuda = not args.no_cuda and torch.cuda.is_available()
device = torch.device('cuda' if args.cuda else 'cpu')
# N_FFT: defined in loader.py
feature_size = N_FFT / 2 + 1
enc = EncoderRNN(feature_size,
args.hidden_size,
input_dropout_p=args.dropout,
dropout_p=args.dropout,
n_layers=args.layer_size,
bidirectional=args.bidirectional,
rnn_cell='gru',
variable_lengths=False)
dec = DecoderRNN(len(char2index),
args.max_len,
args.hidden_size * (2 if args.bidirectional else 1),
SOS_token,
EOS_token,
n_layers=args.layer_size,
rnn_cell='gru',
bidirectional=args.bidirectional,
input_dropout_p=args.dropout,
dropout_p=args.dropout,
use_attention=args.use_attention)
model = Seq2seq(enc, dec)
model.flatten_parameters()
for param in model.parameters():
param.data.uniform_(-0.08, 0.08)
model = nn.DataParallel(model).to(device)
#optimizer = optim.Adam(model.module.parameters(), lr=args.lr)
## weight_decay 추가
optimizer = optim.Adam(model.module.parameters(),
lr=args.lr,
weight_decay=1e-5)
criterion = nn.CrossEntropyLoss(reduction='sum',
ignore_index=PAD_token).to(device)
bind_model(model, optimizer)
if args.pause == 1:
nsml.paused(scope=locals())
if args.mode != "train":
return
data_list = os.path.join(DATASET_PATH, 'train_data', 'data_list.csv')
wav_paths = list()
script_paths = list()
with open(data_list, 'r') as f:
for line in f:
# line: "aaa.wav,aaa.label"
wav_path, script_path = line.strip().split(',')
wav_paths.append(os.path.join(DATASET_PATH, 'train_data',
wav_path))
script_paths.append(
os.path.join(DATASET_PATH, 'train_data', script_path))
best_loss = 1e10
begin_epoch = 0
# load all target scripts for reducing disk i/o
target_path = os.path.join(DATASET_PATH, 'train_label')
load_targets(target_path)
train_batch_num, train_dataset_list, valid_dataset = split_dataset(
args, wav_paths, script_paths, valid_ratio=0.05)
logger.info('start')
train_begin = time.time()
for epoch in range(begin_epoch, args.max_epochs):
train_queue = queue.Queue(args.workers * 2)
train_loader = MultiLoader(train_dataset_list, train_queue,
args.batch_size, args.workers)
train_loader.start()
train_loss, train_cer = train(model, train_batch_num, train_queue,
criterion, optimizer, device,
train_begin, args.workers, 10,
args.teacher_forcing)
logger.info('Epoch %d (Training) Loss %0.4f CER %0.4f' %
(epoch, train_loss, train_cer))
train_loader.join()
valid_queue = queue.Queue(args.workers * 2)
valid_loader = BaseDataLoader(valid_dataset, valid_queue,
args.batch_size, 0)
valid_loader.start()
eval_loss, eval_cer = evaluate(model, valid_loader, valid_queue,
criterion, device)
logger.info('Epoch %d (Evaluate) Loss %0.4f CER %0.4f' %
(epoch, eval_loss, eval_cer))
valid_loader.join()
nsml.report(False,
step=epoch,
train_epoch__loss=train_loss,
train_epoch__cer=train_cer,
eval__loss=eval_loss,
eval__cer=eval_cer)
best_model = (eval_loss < best_loss)
nsml.save(args.save_name)
if best_model:
nsml.save('best')
best_loss = eval_loss
def main():
global char2index
global index2char
global SOS_token
global EOS_token
global PAD_token
parser = argparse.ArgumentParser(description='Speech hackathon Baseline')
parser.add_argument('--hidden_size',
type=int,
default=512,
help='hidden size of model (default: 512)'
) #gru의 hidden layer size(model 참고)
parser.add_argument(
'--layer_size',
type=int,
default=3,
help='number of layers of model (default: 3)') #gru의 512 노드가 3개 Layer
parser.add_argument('--dropout',
type=float,
default=0.2,
help='dropout rate in training (default: 0.2)')
parser.add_argument(
'--bidirectional',
action='store_true',
help='use bidirectional RNN for encoder (default: False)')
parser.add_argument(
'--use_attention',
action='store_true',
help='use attention between encoder-decoder (default: False)')
parser.add_argument('--batch_size',
type=int,
default=32,
help='batch size in training (default: 32)') #메모리 문제
parser.add_argument(
'--workers',
type=int,
default=4,
help='number of workers in dataset loader (default: 4)')
parser.add_argument('--max_epochs',
type=int,
default=10,
help='number of max epochs in training (default: 10)')
parser.add_argument('--lr',
type=float,
default=1e-04,
help='learning rate (default: 0.0001)') #learning rate
parser.add_argument(
'--teacher_forcing',
type=float,
default=0.5,
help='teacher forcing ratio in decoder (default: 0.5)'
) #(epoch 5~10번할 때)처음에 넣었다가 점점 떨어지는 구조 : teacher forcing 과의 비율(낮을 수록, 높을 수록) 찾아보기
parser.add_argument(
'--max_len',
type=int,
default=80,
help='maximum characters of sentence (default: 80)') #굳이 고려안함
parser.add_argument('--no_cuda',
action='store_true',
default=False,
help='disables CUDA training')
parser.add_argument('--seed',
type=int,
default=1,
help='random seed (default: 1)')
parser.add_argument('--save_name',
type=str,
default='model',
help='the name of model in nsml or local')
parser.add_argument('--mode', type=str, default='train') #inference 할지
parser.add_argument("--pause", type=int, default=0)
args = parser.parse_args()
char2index, index2char = label_loader.load_label(
'./hackathon.labels') #라벨이랑 매칭 시키는 구조
SOS_token = char2index['<s>']
EOS_token = char2index['</s>']
PAD_token = char2index['_']
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed) #gpu 쓸 때 이용
args.cuda = not args.no_cuda and torch.cuda.is_available()
device = torch.device('cuda' if args.cuda else 'cpu')
# N_FFT: defined in loader.py
feature_size = N_FFT / 2 + 1
# Initialize the model for this run
model_ft, input_size = initialize_model(model_name,
num_classes,
feature_extract,
use_pretrained=True)
# Print the model we just instantiated
print(model_ft)
# Data augmentation and normalization for training
# Just normalization for validation
data_transforms = {
'train':
transforms.Compose([
transforms.RandomResizedCrop(input_size),
transforms.RandomHorizontalFlip(),
transforms.ToTensor(),
transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225])
]),
'val':
transforms.Compose([
transforms.Resize(input_size),
transforms.CenterCrop(input_size),
transforms.ToTensor(),
transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225])
]),
}
print("Initializing Datasets and Dataloaders...")
# Create training and validation datasets
image_datasets = {
x: datasets.ImageFolder(os.path.join(data_dir, x), data_transforms[x])
for x in ['train', 'val']
}
# Create training and validation dataloaders
dataloaders_dict = {
x: torch.utils.data.DataLoader(image_datasets[x],
batch_size=batch_size,
shuffle=True,
num_workers=4)
for x in ['train', 'val']
}
# Detect if we have a GPU available
device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
# Send the model to GPU
model_ft = model_ft.to(device)
params_to_update = model_ft.parameters()
print("Params to learn:")
if feature_extract:
params_to_update = []
for name, param in model_ft.named_parameters():
if param.requires_grad == True:
params_to_update.append(param)
print("\t", name)
else:
for name, param in model_ft.named_parameters():
if param.requires_grad == True:
print("\t", name)
# Observe that all parameters are being optimized
optimizer_ft = optim.SGD(params_to_update, lr=0.001, momentum=0.9)
# Setup the loss fxn
criterion = nn.CrossEntropyLoss()
# Train and evaluate
model_ft, hist = train_model(model_ft,
dataloaders_dict,
criterion,
optimizer_ft,
num_epochs=num_epochs,
is_inception=(model_name == "inception"))
# Initialize the non-pretrained version of the model used for this run
scratch_model, _ = initialize_model(model_name,
num_classes,
feature_extract=False,
use_pretrained=False)
scratch_model = scratch_model.to(device)
scratch_optimizer = optim.SGD(scratch_model.parameters(),
lr=0.001,
momentum=0.9)
scratch_criterion = nn.CrossEntropyLoss()
_, scratch_hist = train_model(scratch_model,
dataloaders_dict,
scratch_criterion,
scratch_optimizer,
num_epochs=num_epochs,
is_inception=(model_name == "inception"))
# Plot the training curves of validation accuracy vs. number
# of training epochs for the transfer learning method and
# the model trained from scratch
ohist = []
shist = []
ohist = [h.cpu().numpy() for h in hist]
shist = [h.cpu().numpy() for h in scratch_hist]
plt.title("Validation Accuracy vs. Number of Training Epochs")
plt.xlabel("Training Epochs")
plt.ylabel("Validation Accuracy")
plt.plot(range(1, num_epochs + 1), ohist, label="Pretrained")
plt.plot(range(1, num_epochs + 1), shist, label="Scratch")
plt.ylim((0, 1.))
plt.xticks(np.arange(1, num_epochs + 1, 1.0))
plt.legend()
plt.show()
for param in model.parameters():
param.data.uniform_(-0.08, 0.08) #model initialize
model = nn.DataParallel(model).to(device)
optimizer = optim.Adam(model.module.parameters(), lr=args.lr)
criterion = nn.CrossEntropyLoss(
reduction='sum', ignore_index=PAD_token).to(device) #focal loss 이용
bind_model(model, optimizer)
if args.pause == 1:
nsml.paused(scope=locals())
if args.mode != "train":
return
data_list = os.path.join(DATASET_PATH, 'train_data', 'data_list.csv')
wav_paths = list()
script_paths = list()
with open(data_list, 'r') as f:
for line in f:
# line: "aaa.wav,aaa.label"
wav_path, script_path = line.strip().split(',')
wav_paths.append(os.path.join(DATASET_PATH, 'train_data',
wav_path))
script_paths.append(
os.path.join(DATASET_PATH, 'train_data', script_path))
best_loss = 1e10
begin_epoch = 0
# load all target scripts for reducing disk i/o
target_path = os.path.join(DATASET_PATH, 'train_label')
load_targets(target_path)
train_batch_num, train_dataset_list, valid_dataset = split_dataset(
args, wav_paths, script_paths, valid_ratio=0.05)
logger.info('start')
train_begin = time.time()
for epoch in range(begin_epoch, args.max_epochs):
train_queue = queue.Queue(args.workers * 2)
train_loader = MultiLoader(train_dataset_list, train_queue,
args.batch_size, args.workers)
train_loader.start()
train_loss, train_cer = train(model, train_batch_num, train_queue,
criterion, optimizer, device,
train_begin, args.workers, 10,
args.teacher_forcing)
logger.info('Epoch %d (Training) Loss %0.4f CER %0.4f' %
(epoch, train_loss, train_cer))
train_loader.join()
valid_queue = queue.Queue(args.workers * 2)
valid_loader = BaseDataLoader(valid_dataset, valid_queue,
args.batch_size, 0)
valid_loader.start()
eval_loss, eval_cer = evaluate(model, valid_loader, valid_queue,
criterion, device)
logger.info('Epoch %d (Evaluate) Loss %0.4f CER %0.4f' %
(epoch, eval_loss, eval_cer))
valid_loader.join()
nsml.report(False,
step=epoch,
train_epoch__loss=train_loss,
train_epoch__cer=train_cer,
eval__loss=eval_loss,
eval__cer=eval_cer)
best_model = (eval_loss < best_loss)
nsml.save(args.save_name)
if best_model: #최적의 기준으로 뽑아서
nsml.save('best')
best_loss = eval_loss
"""
import label_loader
import os
import glob
char2index = dict()
index2char = dict()
SOS_token = 0
EOS_token = 0
PAD_token = 0
#### read labels
char2index, index2char = label_loader.load_label('./hackathon.labels')
SOS_token = char2index['<s>']
EOS_token = char2index['</s>']
PAD_token = char2index['_']
#print(char2index) # {'웰': 234, '와': 294, ... }
#print(index2char) # {0: '_', 1: '군', 2: '철', ... }
#### get files list
fname = "./sample_dataset/train/train_label0"
outdir = "./sample_dataset/train/train_data/"
#### read file
#f = open(fname,'rt',encoding='cp949')
f = open(fname)
def main():
global char2index
global index2char
global SOS_token
global EOS_token
global PAD_token
parser = argparse.ArgumentParser(description='Speech hackathon Baseline')
parser.add_argument('--hidden_size',
type=int,
default=512,
help='hidden size of model (default: 256)')
parser.add_argument('--layer_size',
type=int,
default=3,
help='number of layers of model (default: 3)')
parser.add_argument('--dropout',
type=float,
default=0.2,
help='dropout rate in training (default: 0.2)')
parser.add_argument(
'--bidirectional',
action='store_true',
help='use bidirectional RNN for encoder (default: False)')
parser.add_argument(
'--use_attention',
action='store_true',
default=True,
help='use attention between encoder-decoder (default: False)')
parser.add_argument('--batch_size',
type=int,
default=5,
help='batch size in training (default: 32)')
parser.add_argument(
'--workers',
type=int,
default=4,
help='number of workers in dataset loader (default: 4)')
parser.add_argument('--max_epochs',
type=int,
default=10,
help='number of max epochs in training (default: 10)')
parser.add_argument('--lr',
type=float,
default=5e-04,
help='learning rate (default: 0.0001)')
parser.add_argument('--teacher_forcing',
type=float,
default=0.5,
help='teacher forcing ratio in decoder (default: 0.5)')
parser.add_argument('--max_len',
type=int,
default=80,
help='maximum characters of sentence (default: 80)')
parser.add_argument('--no_cuda',
action='store_true',
default=False,
help='disables CUDA training')
parser.add_argument('--seed',
type=int,
default=1,
help='random seed (default: 1)')
parser.add_argument('--save_name',
type=str,
default='model',
help='the name of model in nsml or local')
parser.add_argument('--mode', type=str, default='train')
parser.add_argument("--pause", type=int, default=0)
args = parser.parse_args()
char2index, index2char = label_loader.load_label('./hackathon.labels')
jasper_model_definition['labels']['labels'] = index2char
SOS_token = char2index['<s>']
EOS_token = char2index['</s>']
PAD_token = char2index['_']
#bs.testBeamSearch(index2char, "휴무일")
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
args.cuda = not args.no_cuda and torch.cuda.is_available()
device = torch.device('cuda' if args.cuda else 'cpu')
featurizer_config = jasper_model_definition['input']
# N_FFT: defined in loader.py
feature_size = N_FFT / 2 + 1
model = Jasper(feature_config=featurizer_config,
jasper_model_definition=jasper_model_definition,
feat_in=1024,
num_classes=len(index2char))
#enc = EncoderRNN(feature_size, args.hidden_size,
# input_dropout_p=args.dropout, dropout_p=args.dropout,
# n_layers=args.layer_size, bidirectional=args.bidirectional, rnn_cell='lstm', variable_lengths=False)
#
#dec = DecoderRNN(len(char2index), args.max_len, args.hidden_size * (2 if args.bidirectional else 1),
# SOS_token, EOS_token,
# n_layers=args.layer_size, rnn_cell='lstm', bidirectional=args.bidirectional,
# input_dropout_p=args.dropout, dropout_p=args.dropout, use_attention=args.use_attention)
#
#model = Seq2seq(enc, dec)
#model.flatten_parameters()
for param in model.parameters():
param.data.uniform_(-0.08, 0.08)
model = nn.DataParallel(model).to(device)
#Cross Entropy 적용
#optimizer = optim.Adam(model.module.parameters(), lr=args.lr)
#criterion = nn.CrossEntropyLoss(reduction='sum', ignore_index=PAD_token).to(device)
#CTCLoss 적용 Adam->SGD
optimizer = optim.Adam(
model.module.parameters(),
lr=args.lr) #optim.SGD(model.module.parameters(), lr=args.lr)#
criterion = nn.CTCLoss(reduction='sum',
blank=PAD_token,
zero_infinity=True).to(device)
#파일남아있는지 확인용 코드
bind_model(model, optimizer)
if args.pause == 1:
nsml.paused(scope=locals())
if args.mode != "train":
return
#try:
# nsml.load(checkpoint='75_model', session='team138/sr-hack-2019-dataset/151')
#except Exception:
# pass
data_list = os.path.join(DATASET_PATH, 'train_data', 'data_list.csv')
wav_paths = list()
script_paths = list()
with open(data_list, 'r') as f:
for line in f:
# line: "aaa.wav,aaa.label"
wav_path, script_path = line.strip().split(',')
wav_paths.append(os.path.join(DATASET_PATH, 'train_data',
wav_path))
script_paths.append(
os.path.join(DATASET_PATH, 'train_data', script_path))
best_loss = 1e10
best_cer = 1e10
begin_epoch = 0
# load all target scripts for reducing disk i/o
target_path = os.path.join(DATASET_PATH, 'train_label')
load_targets(target_path)
train_batch_num, train_dataset_list, valid_dataset = split_dataset(
args, wav_paths, script_paths, valid_ratio=0.05)
logger.info('wav to melspectrogram in train set')
#log - melspectrogram 데이터 로드 학습데이터
batch_idx = 0
all_train_data = list()
train_data = list()
for train_dataset in train_dataset_list:
for idx, _ in enumerate(train_dataset.wav_paths):
train_data.append(train_dataset.getitem(idx))
batch_idx += 1
if batch_idx % args.batch_size == 0:
random.shuffle(train_data)
batch = _collate_fn(train_data)
all_train_data.append(batch)
train_data = list()
if len(train_data) > 0:
random.shuffle(train_data)
batch = _collate_fn(train_data)
all_train_data.append(batch)
logger.info('wav to melspectrogram in validation set')
#log - melspectrogram 데이터 로드 테스트데이터
all_valid_data = list()
valid_data = list()
batch_idx = 0
for idx, _ in enumerate(valid_dataset.wav_paths):
valid_data.append(valid_dataset.getitem(idx))
batch_idx += 1
if batch_idx % args.batch_size == 0:
batch = _collate_fn(valid_data)
all_valid_data.append(batch)
valid_data = list()
if len(valid_data) > 0:
batch = _collate_fn(valid_data)
all_valid_data.append(batch)
logger.info('start')
train_begin = time.time()
for epoch in range(begin_epoch, args.max_epochs):
random.shuffle(all_train_data)
#Queue 생성 및 만들어진 데이터 저장
#train_queue = queue.Queue(args.workers * 2)
#train_loader = MultiLoader(train_dataset_list, train_queue, args.batch_size, args.workers)
#train_loader.start()
train_loss, train_cer = train(model, train_batch_num, all_train_data,
criterion, optimizer, device,
train_begin, args.workers, 10,
args.teacher_forcing)
logger.info('Epoch %d (Training) Loss %0.4f CER %0.4f' %
(epoch, train_loss, train_cer))
#train_loader.join()
#valid_queue = queue.Queue(args.workers * 2)
#valid_loader = BaseDataLoader(valid_dataset, valid_queue, args.batch_size, 0)
#valid_loader.start()
eval_loss, eval_cer = evaluate(model, all_valid_data, criterion,
device)
logger.info('Epoch %d (Evaluate) Loss %0.4f CER %0.4f' %
(epoch, eval_loss, eval_cer))
#valid_loader.join()
nsml.report(False,
step=epoch,
train_epoch__loss=train_loss,
train_epoch__cer=train_cer,
eval__loss=eval_loss,
eval__cer=eval_cer)
best_model = (eval_loss < best_loss)
best_model_cer = (eval_cer < best_cer)
if epoch % 5 == 0:
nsml.save("%s_model" % epoch)
if best_model:
nsml.save('best_loss')
best_loss = eval_loss
if best_model_cer:
nsml.save('best_cer')
best_model_cer = eval_cer
def main():
global char2index
global index2char
global SOS_token
global EOS_token
global PAD_token
parser = argparse.ArgumentParser(description='Speech hackathon Baseline')
parser.add_argument('--no_train', action='store_true', default=False)
parser.add_argument('--local', action='store_true', default=False)
parser.add_argument('--no_cuda',
action='store_true',
default=False,
help='disables CUDA training')
parser.add_argument('--seed',
type=int,
default=1,
help='random seed (default: 1)')
parser.add_argument('--save_name',
type=str,
default='model',
help='the name of model in nsml or local')
parser.add_argument('--mode', type=str, default='train')
parser.add_argument("--pause", type=int, default=0)
parser.add_argument("--USE_LM", action='store_true', default=False)
parser.add_argument('--config',
type=str,
default='./config/legacy/cfg0/baseline.cfg0.json')
args = parser.parse_args()
cfg = config.utils.read_cfg(args.config)
char2index, index2char = label_loader.load_label('./hackathon.labels')
SOS_token = char2index['<s>']
EOS_token = char2index['</s>']
PAD_token = char2index['_']
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
args.cuda = not args.no_cuda and torch.cuda.is_available()
device = torch.device('cuda' if args.cuda else 'cpu')
ngram_models = None
if args.USE_LM:
print("Begin language model setup")
ngram_models = {}
max_n_gram_size = 4
for n in range(max_n_gram_size - 1):
ngram_models[n + 2] = n_gram_train(
os.path.join(DATASET_PATH, 'train_label'), n + 2)
del (n)
print("LM setup complete")
# N_FFT: defined in loader.py
feature_size = N_FFT / 2 + 1
enc = EncoderRNN(cfg["model"], feature_size, variable_lengths=False)
dec = DecoderRNN(cfg["model"], len(char2index), SOS_token, EOS_token)
model = Seq2seq(enc, dec)
model.flatten_parameters()
for param in model.parameters():
param.data.uniform_(-0.08, 0.08)
model = nn.DataParallel(model).to(device)
optimizer = optim.Adam(model.module.parameters(), lr=cfg["lr"])
criterion = nn.CrossEntropyLoss(reduction='sum',
ignore_index=PAD_token).to(device)
bind_model(cfg["data"], model, optimizer, ngram_models)
if args.no_train and not args.local:
nsml.load(checkpoint='best', session="team161/sr-hack-2019-50000/78")
if args.pause == 1:
nsml.paused(scope=locals())
if args.mode != "train":
return
data_list = os.path.join(DATASET_PATH, 'train_data', 'data_list.csv')
wav_paths = list()
script_paths = list()
with open(data_list, 'r') as f:
for line in f:
# line: "aaa.wav,aaa.label"
wav_path, script_path = line.strip().split(',')
wav_paths.append(os.path.join(DATASET_PATH, 'train_data',
wav_path))
script_paths.append(
os.path.join(DATASET_PATH, 'train_data', script_path))
best_loss = 1e10
best_cer = 1e10
begin_epoch = 0
# load all target scripts for reducing disk i/o
target_path = os.path.join(DATASET_PATH, 'train_label')
load_targets(target_path)
if args.no_train:
train_batch_num, train_dataset_list, valid_dataset = split_dataset(
cfg, wav_paths, script_paths, valid_ratio=0.05)
else:
train_batch_num, train_dataset_list, valid_dataset = split_dataset(
cfg, wav_paths, script_paths, valid_ratio=0.05)
lr_scheduler = StepLR(optimizer, step_size=1, gamma=0.96)
logger.info('start')
nsml.save('notrain')
train_begin = time.time()
for epoch in range(begin_epoch, cfg["max_epochs"]):
print("epoch", epoch)
#tracker.print_diff()
if not args.no_train:
train_queue = queue.Queue(cfg["workers"] * 2)
train_loader = MultiLoader(train_dataset_list, train_queue,
cfg["batch_size"], cfg["workers"])
train_loader.start()
# scheduled sampling
# ratio_s -> ratio_e (linear decreasing) -> maintain
# decreasing epoch-scale = n_epoch_ramp
n_epoch_ramp = 10
ratio_s = 0.25
ratio_e = 0
teacher_forcing_ratio = max(
ratio_s - (ratio_s - ratio_e) * epoch / n_epoch_ramp, ratio_e)
train_loss, train_cer = train(
model, train_batch_num, train_queue, criterion, optimizer,
device, train_begin, cfg["workers"], 10,
teacher_forcing_ratio) # cfg["teacher_forcing"]
lr_scheduler.step(epoch)
logger.info('Epoch %d (Training) Loss %0.4f CER %0.4f' %
(epoch, train_loss, train_cer))
train_loader.join()
valid_queue = queue.Queue(cfg["workers"] * 2)
valid_loader = BaseDataLoader(valid_dataset, valid_queue,
cfg["batch_size"], 0)
valid_loader.start()
print("start eval")
eval_loss, eval_cer = evaluate(model,
valid_loader,
valid_queue,
criterion,
device,
ngram_models=ngram_models)
logger.info('Epoch %d (Evaluate) Loss %0.4f CER %0.4f' %
(epoch, eval_loss, eval_cer))
valid_loader.join()
print("end eval")
if args.no_train:
continue
nsml.report(False,
step=epoch,
train_epoch__loss=train_loss,
train_epoch__cer=train_cer,
eval__loss=eval_loss,
eval__cer=eval_cer)
# save every epoch
save_name = "model_%03d" % (epoch)
nsml.save(save_name)
# save best loss model
is_best_loss = (eval_loss < best_loss)
if is_best_loss:
nsml.save('best')
best_loss = eval_loss
# save best cer model
is_best_cer = (eval_cer < best_cer)
if is_best_cer:
nsml.save('cer')
best_cer = eval_cer
