def main():
"""
Call train.py as a new process and pass command arguments
"""
parser = argparse.ArgumentParser()
parser.add_argument('--restore_path',
type=str,
help='Folder path to checkpoints',
default='')
parser.add_argument(
'--config_path',
type=str,
help='path to config file for training',
)
parser.add_argument('--data_path',
type=str,
help='dataset path.',
default='')
args = parser.parse_args()
CONFIG = load_config(args.config_path)
OUT_PATH = create_experiment_folder(CONFIG.output_path, CONFIG.run_name,
True)
stdout_path = os.path.join(OUT_PATH, "process_stdout/")
num_gpus = torch.cuda.device_count()
group_id = time.strftime("%Y_%m_%d-%H%M%S")
# set arguments for train.py
command = ['train.py']
command.append('--restore_path={}'.format(args.restore_path))
command.append('--config_path={}'.format(args.config_path))
command.append('--group_id=group_{}'.format(group_id))
command.append('--data_path={}'.format(args.data_path))
command.append('--output_path={}'.format(OUT_PATH))
command.append('')
if not os.path.isdir(stdout_path):
os.makedirs(stdout_path)
os.chmod(stdout_path, 0o775)
# run processes
processes = []
for i in range(num_gpus):
my_env = os.environ.copy()
my_env["PYTHON_EGG_CACHE"] = "/tmp/tmp{}".format(i)
command[6] = '--rank={}'.format(i)
stdout = None if i == 0 else open(
os.path.join(stdout_path, "process_{}.log".format(i)), "w")
p = subprocess.Popen(['python3'] + command, stdout=stdout, env=my_env)
processes.append(p)
print(command)
for p in processes:
p.wait()
def main(args):
"""
Call train.py as a new process and pass command arguments
"""
CONFIG = load_config(args.config_path)
if args.output_path == "":
OUT_PATH = os.path.join(_, CONFIG.output_path)
else:
OUT_PATH = args.output_path
OUT_PATH = create_experiment_folder(OUT_PATH, CONFIG.model_name)
stdout_path = os.path.join(OUT_PATH, "process_stdout/")
num_gpus = torch.cuda.device_count()
group_id = time.strftime("%Y_%m_%d-%H%M%S")
if args.lr_find:
command = ['find_lr.py']
command.append('--restore_path={}'.format(args.restore_path))
command.append('--config_path={}'.format(args.config_path))
command.append('--group_id=group_{}'.format(group_id))
command.append('--data_path={}'.format(args.data_path))
command.append('--output_path={}'.format(OUT_PATH))
command.append('--init_lr={}'.format(args.init_lr))
command.append('--end_lr={}'.format(args.end_lr))
command.append('')
else:
# set arguments for train.py
command = ['train.py']
command.append('--restore_path={}'.format(args.restore_path))
command.append('--config_path={}'.format(args.config_path))
command.append('--group_id=group_{}'.format(group_id))
command.append('--data_path={}'.format(args.data_path))
command.append('--output_path={}'.format(OUT_PATH))
command.append('')
if not os.path.isdir(stdout_path):
os.makedirs(stdout_path)
os.chmod(stdout_path, 0o775)
# run processes
processes = []
for i in range(num_gpus):
my_env = os.environ.copy()
my_env["PYTHON_EGG_CACHE"] = "/tmp/tmp{}".format(i)
command[6] = '--rank={}'.format(i)
stdout = None if i == 0 else open(
os.path.join(stdout_path, "process_{}.log".format(i)), "w")
p = subprocess.Popen(['python3'.format(i)] + command,
stdout=stdout,
env=my_env)
processes.append(p)
print(command)
for p in processes:
p.wait()
def main(args):
# setup output paths and read configs
c = load_config(args.config_path)
_ = os.path.dirname(os.path.realpath(__file__))
OUT_PATH = os.path.join(_, c.output_path)
OUT_PATH = create_experiment_folder(OUT_PATH)
CHECKPOINT_PATH = os.path.join(OUT_PATH, 'checkpoints')
shutil.copyfile(args.config_path, os.path.join(OUT_PATH, 'config.json'))
# save config to tmp place to be loaded by subsequent modules.
file_name = str(os.getpid())
tmp_path = os.path.join("/tmp/", file_name+'_tts')
pickle.dump(c, open(tmp_path, "wb"))
# setup tensorboard
LOG_DIR = OUT_PATH
tb = SummaryWriter(LOG_DIR)
# Ctrl+C handler to remove empty experiment folder
def signal_handler(signal, frame):
print(" !! Pressed Ctrl+C !!")
remove_experiment_folder(OUT_PATH)
sys.exit(1)
signal.signal(signal.SIGINT, signal_handler)
# Setup the dataset
dataset = LJSpeechDataset(os.path.join(c.data_path, 'metadata.csv'),
os.path.join(c.data_path, 'wavs'),
c.r,
c.sample_rate,
c.text_cleaner,
c.num_mels,
c.min_level_db,
c.frame_shift_ms,
c.frame_length_ms,
c.preemphasis,
c.ref_level_db,
c.num_freq,
c.power
)
dataloader = DataLoader(dataset, batch_size=c.batch_size,
shuffle=True, collate_fn=dataset.collate_fn,
drop_last=True, num_workers=c.num_loader_workers)
# setup the model
model = Tacotron(c.embedding_size,
c.hidden_size,
c.num_mels,
c.num_freq,
c.r)
# plot model on tensorboard
dummy_input = dataset.get_dummy_data()
## TODO: onnx does not support RNN fully yet
# model_proto_path = os.path.join(OUT_PATH, "model.proto")
# onnx.export(model, dummy_input, model_proto_path, verbose=True)
# tb.add_graph_onnx(model_proto_path)
if use_cuda:
model = nn.DataParallel(model.cuda())
optimizer = optim.Adam(model.parameters(), lr=c.lr)
if args.restore_step:
checkpoint = torch.load(os.path.join(
args.restore_path, 'checkpoint_%d.pth.tar' % args.restore_step))
model.load_state_dict(checkpoint['model'])
optimizer.load_state_dict(checkpoint['optimizer'])
print("\n > Model restored from step %d\n" % args.restore_step)
start_epoch = checkpoint['step'] // len(dataloader)
best_loss = checkpoint['linear_loss']
else:
start_epoch = 0
print("\n > Starting a new training")
num_params = count_parameters(model)
print(" | > Model has {} parameters".format(num_params))
model = model.train()
if not os.path.exists(CHECKPOINT_PATH):
os.mkdir(CHECKPOINT_PATH)
if use_cuda:
criterion = nn.L1Loss().cuda()
else:
criterion = nn.L1Loss()
n_priority_freq = int(3000 / (c.sample_rate * 0.5) * c.num_freq)
#lr_scheduler = ReduceLROnPlateau(optimizer, factor=c.lr_decay,
# patience=c.lr_patience, verbose=True)
epoch_time = 0
best_loss = float('inf')
for epoch in range(0, c.epochs):
print("\n | > Epoch {}/{}".format(epoch, c.epochs))
progbar = Progbar(len(dataset) / c.batch_size)
for num_iter, data in enumerate(dataloader):
start_time = time.time()
text_input = data[0]
text_lengths = data[1]
linear_input = data[2]
mel_input = data[3]
current_step = num_iter + args.restore_step + epoch * len(dataloader) + 1
# setup lr
current_lr = lr_decay(c.lr, current_step)
for params_group in optimizer.param_groups:
params_group['lr'] = current_lr
optimizer.zero_grad()
# Add a single frame of zeros to Mel Specs for better end detection
#try:
# mel_input = np.concatenate((np.zeros(
# [c.batch_size, 1, c.num_mels], dtype=np.float32),
# mel_input[:, 1:, :]), axis=1)
#except:
# raise TypeError("not same dimension")
# convert inputs to variables
text_input_var = Variable(text_input)
mel_spec_var = Variable(mel_input)
linear_spec_var = Variable(linear_input, volatile=True)
# sort sequence by length.
# TODO: might be unnecessary
sorted_lengths, indices = torch.sort(
text_lengths.view(-1), dim=0, descending=True)
sorted_lengths = sorted_lengths.long().numpy()
text_input_var = text_input_var[indices]
mel_spec_var = mel_spec_var[indices]
linear_spec_var = linear_spec_var[indices]
if use_cuda:
text_input_var = text_input_var.cuda()
mel_spec_var = mel_spec_var.cuda()
linear_spec_var = linear_spec_var.cuda()
mel_output, linear_output, alignments =\
model.forward(text_input_var, mel_spec_var,
input_lengths= torch.autograd.Variable(torch.cuda.LongTensor(sorted_lengths)))
mel_loss = criterion(mel_output, mel_spec_var)
#linear_loss = torch.abs(linear_output - linear_spec_var)
#linear_loss = 0.5 * \
#torch.mean(linear_loss) + 0.5 * \
#torch.mean(linear_loss[:, :n_priority_freq, :])
linear_loss = 0.5 * criterion(linear_output, linear_spec_var) \
+ 0.5 * criterion(linear_output[:, :, :n_priority_freq],
linear_spec_var[: ,: ,:n_priority_freq])
loss = mel_loss + linear_loss
# loss = loss.cuda()
loss.backward()
grad_norm = nn.utils.clip_grad_norm(model.parameters(), 1.) ## TODO: maybe no need
optimizer.step()
step_time = time.time() - start_time
epoch_time += step_time
progbar.update(num_iter+1, values=[('total_loss', loss.data[0]),
('linear_loss', linear_loss.data[0]),
('mel_loss', mel_loss.data[0]),
('grad_norm', grad_norm)])
# Plot Learning Stats
tb.add_scalar('Loss/TotalLoss', loss.data[0], current_step)
tb.add_scalar('Loss/LinearLoss', linear_loss.data[0],
current_step)
tb.add_scalar('Loss/MelLoss', mel_loss.data[0], current_step)
tb.add_scalar('Params/LearningRate', optimizer.param_groups[0]['lr'],
current_step)
tb.add_scalar('Params/GradNorm', grad_norm, current_step)
tb.add_scalar('Time/StepTime', step_time, current_step)
align_img = alignments[0].data.cpu().numpy()
align_img = plot_alignment(align_img)
tb.add_image('Attn/Alignment', align_img, current_step)
if current_step % c.save_step == 0:
if c.checkpoint:
# save model
save_checkpoint(model, optimizer, linear_loss.data[0],
OUT_PATH, current_step, epoch)
# Diagnostic visualizations
const_spec = linear_output[0].data.cpu().numpy()
gt_spec = linear_spec_var[0].data.cpu().numpy()
const_spec = plot_spectrogram(const_spec, dataset.ap)
gt_spec = plot_spectrogram(gt_spec, dataset.ap)
tb.add_image('Spec/Reconstruction', const_spec, current_step)
tb.add_image('Spec/GroundTruth', gt_spec, current_step)
align_img = alignments[0].data.cpu().numpy()
align_img = plot_alignment(align_img)
tb.add_image('Attn/Alignment', align_img, current_step)
# Sample audio
audio_signal = linear_output[0].data.cpu().numpy()
dataset.ap.griffin_lim_iters = 60
audio_signal = dataset.ap.inv_spectrogram(audio_signal.T)
try:
tb.add_audio('SampleAudio', audio_signal, current_step,
sample_rate=c.sample_rate)
except:
print("\n > Error at audio signal on TB!!")
print(audio_signal.max())
print(audio_signal.min())
# average loss after the epoch
avg_epoch_loss = np.mean(
progbar.sum_values['linear_loss'][0] / max(1, progbar.sum_values['linear_loss'][1]))
best_loss = save_best_model(model, optimizer, avg_epoch_loss,
best_loss, OUT_PATH,
current_step, epoch)
#lr_scheduler.step(loss.data[0])
tb.add_scalar('Time/EpochTime', epoch_time, epoch)
epoch_time = 0
help='DISTRIBUTED: process group id.')
args = parser.parse_args()
# setup output paths and read configs
c = load_config(args.config_path)
_ = os.path.dirname(os.path.realpath(__file__))
if args.data_path != '':
c.data_path = args.data_path
if args.output_path == '':
OUT_PATH = os.path.join(_, c.output_path)
else:
OUT_PATH = args.output_path
if args.group_id == '' and args.output_folder == '':
OUT_PATH = create_experiment_folder(OUT_PATH, c.run_name, args.debug)
else:
OUT_PATH = os.path.join(OUT_PATH, args.output_folder)
AUDIO_PATH = os.path.join(OUT_PATH, 'test_audios')
if args.rank == 0:
os.makedirs(AUDIO_PATH, exist_ok=True)
new_fields = {}
if args.restore_path:
new_fields["restore_path"] = args.restore_path
new_fields["github_branch"] = get_git_branch()
copy_config_file(args.config_path,
os.path.join(OUT_PATH, 'config.json'), new_fields)
os.chmod(AUDIO_PATH, 0o775)
os.chmod(OUT_PATH, 0o775)
parser.add_argument('--restore_path',
type=str,
help='Folder path to checkpoints',
default=0)
parser.add_argument(
'--config_path',
type=str,
help='path to config file for training',
)
args = parser.parse_args()
# setup output paths and read configs
c = load_config(args.config_path)
_ = os.path.dirname(os.path.realpath(__file__))
OUT_PATH = os.path.join(_, c.output_path)
OUT_PATH = create_experiment_folder(OUT_PATH)
CHECKPOINT_PATH = os.path.join(OUT_PATH, 'checkpoints')
shutil.copyfile(args.config_path, os.path.join(OUT_PATH, 'config.json'))
parser.add_argument('--finetine_path', type=str)
# save config to tmp place to be loaded by subsequent modules.
file_name = str(os.getpid())
tmp_path = os.path.join("/tmp/", file_name + '_tts')
pickle.dump(c, open(tmp_path, "wb"))
# setup tensorboard
LOG_DIR = OUT_PATH
tb = SummaryWriter(LOG_DIR)
def signal_handler(signal, frame):
torch.manual_seed(1)
use_cuda = torch.cuda.is_available()
parser = argparse.ArgumentParser()
parser.add_argument('--restore_path', type=str,
help='Folder path to checkpoints', default=0)
parser.add_argument('--config_path', type=str,
help='path to config file for training',)
args = parser.parse_args()
# setup output paths and read configs
c = load_config(args.config_path)
_ = os.path.dirname(os.path.realpath(__file__))
OUT_PATH = os.path.join(_, c.output_path)
OUT_PATH = create_experiment_folder(OUT_PATH, c.model_name)
CHECKPOINT_PATH = os.path.join(OUT_PATH, 'checkpoints')
shutil.copyfile(args.config_path, os.path.join(OUT_PATH, 'config.json'))
parser.add_argument('--finetine_path', type=str)
# save config to tmp place to be loaded by subsequent modules.
file_name = str(os.getpid())
tmp_path = os.path.join("/tmp/", file_name+'_tts')
pickle.dump(c, open(tmp_path, "wb"))
# setup tensorboard
LOG_DIR = OUT_PATH
tb = SummaryWriter(LOG_DIR)
if c.priority_freq:
n_priority_freq = int(3000 / (c.sample_rate * 0.5) * c.num_freq)
def main(args):
# setup output paths and read configs
c = load_config(args.config_path)
_ = os.path.dirname(os.path.realpath(__file__))
OUT_PATH = os.path.join(_, c.output_path)
OUT_PATH = create_experiment_folder(OUT_PATH)
CHECKPOINT_PATH = os.path.join(OUT_PATH, 'checkpoints')
shutil.copyfile(args.config_path, os.path.join(OUT_PATH, 'config.json'))
# Ctrl+C handler to remove empty experiment folder
def signal_handler(signal, frame):
print(" !! Pressed Ctrl+C !!")
remove_experiment_folder(OUT_PATH)
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
dataset = LJSpeechDataset(os.path.join(c.data_path, 'metadata.csv'),
os.path.join(c.data_path, 'wavs'), c.r,
c.sample_rate, c.text_cleaner)
model = Tacotron(c.embedding_size, c.hidden_size, c.num_mels, c.num_freq,
c.r)
if use_cuda:
model = nn.DataParallel(model.cuda())
optimizer = optim.Adam(model.parameters(), lr=c.lr)
try:
checkpoint = torch.load(
os.path.join(CHECKPOINT_PATH,
'checkpoint_%d.pth.tar' % args.restore_step))
model.load_state_dict(checkpoint['model'])
optimizer.load_state_dict(checkpoint['optimizer'])
print("\n > Model restored from step %d\n" % args.restore_step)
except:
print("\n > Starting a new training\n")
model = model.train()
if not os.path.exists(CHECKPOINT_PATH):
os.mkdir(CHECKPOINT_PATH)
if use_cuda:
criterion = nn.L1Loss().cuda()
else:
criterion = nn.L1Loss()
n_priority_freq = int(3000 / (c.sample_rate * 0.5) * c.num_freq)
for epoch in range(c.epochs):
dataloader = DataLoader(dataset,
batch_size=c.batch_size,
shuffle=True,
collate_fn=dataset.collate_fn,
drop_last=True,
num_workers=32)
progbar = Progbar(len(dataset) / c.batch_size)
for i, data in enumerate(dataloader):
text_input = data[0]
magnitude_input = data[1]
mel_input = data[2]
current_step = i + args.restore_step + epoch * len(dataloader) + 1
optimizer.zero_grad()
try:
mel_input = np.concatenate(
(np.zeros([c.batch_size, 1, c.num_mels],
dtype=np.float32), mel_input[:, 1:, :]),
axis=1)
except:
raise TypeError("not same dimension")
if use_cuda:
text_input_var = Variable(torch.from_numpy(text_input).type(
torch.cuda.LongTensor),
requires_grad=False).cuda()
mel_input_var = Variable(torch.from_numpy(mel_input).type(
torch.cuda.FloatTensor),
requires_grad=False).cuda()
mel_spec_var = Variable(torch.from_numpy(mel_input).type(
torch.cuda.FloatTensor),
requires_grad=False).cuda()
linear_spec_var = Variable(
torch.from_numpy(magnitude_input).type(
torch.cuda.FloatTensor),
requires_grad=False).cuda()
else:
text_input_var = Variable(torch.from_numpy(text_input).type(
torch.LongTensor),
requires_grad=False)
mel_input_var = Variable(torch.from_numpy(mel_input).type(
torch.FloatTensor),
requires_grad=False)
mel_spec_var = Variable(torch.from_numpy(mel_input).type(
torch.FloatTensor),
requires_grad=False)
linear_spec_var = Variable(
torch.from_numpy(magnitude_input).type(torch.FloatTensor),
requires_grad=False)
mel_output, linear_output, alignments =\
model.forward(text_input_var, mel_input_var)
mel_loss = criterion(mel_output, mel_spec_var)
linear_loss = torch.abs(linear_output - linear_spec_var)
linear_loss = 0.5 * \
torch.mean(linear_loss) + 0.5 * \
torch.mean(linear_loss[:, :n_priority_freq, :])
loss = mel_loss + linear_loss
loss = loss.cuda()
start_time = time.time()
loss.backward()
nn.utils.clip_grad_norm(model.parameters(), 1.)
optimizer.step()
time_per_step = time.time() - start_time
progbar.update(i,
values=[('total_loss', loss.data[0]),
('linear_loss', linear_loss.data[0]),
('mel_loss', mel_loss.data[0])])
if current_step % c.save_step == 0:
checkpoint_path = 'checkpoint_{}.pth.tar'.format(current_step)
checkpoint_path = os.path.join(OUT_PATH, checkpoint_path)
save_checkpoint(
{
'model': model.state_dict(),
'optimizer': optimizer.state_dict(),
'step': current_step,
'total_loss': loss.data[0],
'linear_loss': linear_loss.data[0],
'mel_loss': mel_loss.data[0],
'date': datetime.date.today().strftime("%B %d, %Y")
}, checkpoint_path)
print(" > Checkpoint is saved : {}".format(checkpoint_path))
if current_step in c.decay_step:
optimizer = adjust_learning_rate(optimizer, current_step)
args.output_path = args.continue_path
args.config_path = os.path.join(args.continue_path, 'config.json')
list_of_files = glob.glob(
args.continue_path +
"/*.pth.tar") # * means all if need specific format then *.csv
latest_model_file = max(list_of_files, key=os.path.getctime)
args.restore_path = latest_model_file
print(f" > Training continues for {args.restore_path}")
# setup output paths and read configs
c = load_config(args.config_path)
_ = os.path.dirname(os.path.realpath(__file__))
OUT_PATH = args.continue_path
if args.continue_path == '':
OUT_PATH = create_experiment_folder(c.output_path, c.run_name,
args.debug)
AUDIO_PATH = os.path.join(OUT_PATH, 'test_audios')
if args.rank == 0:
os.makedirs(AUDIO_PATH, exist_ok=True)
new_fields = {}
if args.restore_path:
new_fields["restore_path"] = args.restore_path
new_fields["github_branch"] = get_git_branch()
copy_config_file(args.config_path,
os.path.join(OUT_PATH, 'config.json'), new_fields)
os.chmod(AUDIO_PATH, 0o775)
os.chmod(OUT_PATH, 0o775)
if args.rank == 0:
