mirror of https://github.com/coqui-ai/TTS.git
Merge branch 'dev-radam' into dev
Eren Golge
commit
afdc4bad10
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@ -71,7 +71,7 @@
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"dataset": "ljspeech", // DATASET-RELATED: one of TTS.dataset.preprocessors depending on your target dataset. Use "tts_cache" for pre-computed dataset by extract_features.py
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"min_seq_len": 6, // DATASET-RELATED: minimum text length to use in training
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"max_seq_len": 150, // DATASET-RELATED: maximum text length
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"output_path": "/media/erogol/data_ssd/Models/libri_tts/", // DATASET-RELATED: output path for all training outputs.
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"output_path": "../keep/", // DATASET-RELATED: output path for all training outputs.
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"num_loader_workers": 4, // number of training data loader processes. Don't set it too big. 4-8 are good values.
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"num_val_loader_workers": 4, // number of evaluation data loader processes.
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"phoneme_cache_path": "mozilla_us_phonemes", // phoneme computation is slow, therefore, it caches results in the given folder.
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6
train.py
6
train.py
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@ -28,6 +28,8 @@ from TTS.utils.synthesis import synthesis
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from TTS.utils.text.symbols import phonemes, symbols
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from TTS.utils.visual import plot_alignment, plot_spectrogram
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from TTS.datasets.preprocess import get_preprocessor_by_name
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from TTS.utils.radam import RAdam
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torch.backends.cudnn.enabled = True
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torch.backends.cudnn.benchmark = False
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@ -478,9 +480,9 @@ def main(args): #pylint: disable=redefined-outer-name
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print(" | > Num output units : {}".format(ap.num_freq), flush=True)
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optimizer = optim.Adam(model.parameters(), lr=c.lr, weight_decay=0)
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optimizer = RAdam(model.parameters(), lr=c.lr, weight_decay=0)
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if c.stopnet and c.separate_stopnet:
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optimizer_st = optim.Adam(
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optimizer_st = RAdam(
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model.decoder.stopnet.parameters(), lr=c.lr, weight_decay=0)
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else:
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optimizer_st = None
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@ -0,0 +1,207 @@
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import math
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import torch
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from torch.optim.optimizer import Optimizer, required
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class RAdam(Optimizer):
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def __init__(self, params, lr=1e-3, betas=(0.9, 0.999), eps=1e-8, weight_decay=0):
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defaults = dict(lr=lr, betas=betas, eps=eps, weight_decay=weight_decay)
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self.buffer = [[None, None, None] for ind in range(10)]
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super(RAdam, self).__init__(params, defaults)
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def __setstate__(self, state):
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super(RAdam, self).__setstate__(state)
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def step(self, closure=None):
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loss = None
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if closure is not None:
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loss = closure()
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for group in self.param_groups:
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for p in group['params']:
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if p.grad is None:
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continue
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grad = p.grad.data.float()
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if grad.is_sparse:
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raise RuntimeError('RAdam does not support sparse gradients')
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p_data_fp32 = p.data.float()
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state = self.state[p]
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if len(state) == 0:
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state['step'] = 0
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state['exp_avg'] = torch.zeros_like(p_data_fp32)
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state['exp_avg_sq'] = torch.zeros_like(p_data_fp32)
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else:
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state['exp_avg'] = state['exp_avg'].type_as(p_data_fp32)
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state['exp_avg_sq'] = state['exp_avg_sq'].type_as(p_data_fp32)
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exp_avg, exp_avg_sq = state['exp_avg'], state['exp_avg_sq']
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beta1, beta2 = group['betas']
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exp_avg_sq.mul_(beta2).addcmul_(1 - beta2, grad, grad)
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exp_avg.mul_(beta1).add_(1 - beta1, grad)
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state['step'] += 1
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buffered = self.buffer[int(state['step'] % 10)]
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if state['step'] == buffered[0]:
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N_sma, step_size = buffered[1], buffered[2]
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else:
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buffered[0] = state['step']
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beta2_t = beta2 ** state['step']
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N_sma_max = 2 / (1 - beta2) - 1
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N_sma = N_sma_max - 2 * state['step'] * beta2_t / (1 - beta2_t)
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buffered[1] = N_sma
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# more conservative since it's an approximated value
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if N_sma >= 5:
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step_size = group['lr'] * math.sqrt((1 - beta2_t) * (N_sma - 4) / (N_sma_max - 4) * (N_sma - 2) / N_sma * N_sma_max / (N_sma_max - 2)) / (1 - beta1 ** state['step'])
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else:
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step_size = group['lr'] / (1 - beta1 ** state['step'])
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buffered[2] = step_size
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if group['weight_decay'] != 0:
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p_data_fp32.add_(-group['weight_decay'] * group['lr'], p_data_fp32)
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# more conservative since it's an approximated value
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if N_sma >= 5:
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denom = exp_avg_sq.sqrt().add_(group['eps'])
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p_data_fp32.addcdiv_(-step_size, exp_avg, denom)
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else:
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p_data_fp32.add_(-step_size, exp_avg)
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p.data.copy_(p_data_fp32)
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return loss
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class PlainRAdam(Optimizer):
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def __init__(self, params, lr=1e-3, betas=(0.9, 0.999), eps=1e-8, weight_decay=0):
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defaults = dict(lr=lr, betas=betas, eps=eps, weight_decay=weight_decay)
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super(PlainRAdam, self).__init__(params, defaults)
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def __setstate__(self, state):
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super(PlainRAdam, self).__setstate__(state)
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def step(self, closure=None):
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loss = None
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if closure is not None:
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loss = closure()
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for group in self.param_groups:
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for p in group['params']:
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if p.grad is None:
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continue
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grad = p.grad.data.float()
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if grad.is_sparse:
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raise RuntimeError('RAdam does not support sparse gradients')
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p_data_fp32 = p.data.float()
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state = self.state[p]
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if len(state) == 0:
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state['step'] = 0
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state['exp_avg'] = torch.zeros_like(p_data_fp32)
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state['exp_avg_sq'] = torch.zeros_like(p_data_fp32)
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else:
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state['exp_avg'] = state['exp_avg'].type_as(p_data_fp32)
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state['exp_avg_sq'] = state['exp_avg_sq'].type_as(p_data_fp32)
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exp_avg, exp_avg_sq = state['exp_avg'], state['exp_avg_sq']
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beta1, beta2 = group['betas']
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exp_avg_sq.mul_(beta2).addcmul_(1 - beta2, grad, grad)
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exp_avg.mul_(beta1).add_(1 - beta1, grad)
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state['step'] += 1
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beta2_t = beta2 ** state['step']
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N_sma_max = 2 / (1 - beta2) - 1
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N_sma = N_sma_max - 2 * state['step'] * beta2_t / (1 - beta2_t)
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if group['weight_decay'] != 0:
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p_data_fp32.add_(-group['weight_decay'] * group['lr'], p_data_fp32)
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# more conservative since it's an approximated value
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if N_sma >= 5:
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step_size = group['lr'] * math.sqrt((1 - beta2_t) * (N_sma - 4) / (N_sma_max - 4) * (N_sma - 2) / N_sma * N_sma_max / (N_sma_max - 2)) / (1 - beta1 ** state['step'])
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denom = exp_avg_sq.sqrt().add_(group['eps'])
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p_data_fp32.addcdiv_(-step_size, exp_avg, denom)
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else:
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step_size = group['lr'] / (1 - beta1 ** state['step'])
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p_data_fp32.add_(-step_size, exp_avg)
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p.data.copy_(p_data_fp32)
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return loss
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class AdamW(Optimizer):
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def __init__(self, params, lr=1e-3, betas=(0.9, 0.999), eps=1e-8, weight_decay=0, warmup = 0):
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defaults = dict(lr=lr, betas=betas, eps=eps,
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weight_decay=weight_decay, warmup = warmup)
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super(AdamW, self).__init__(params, defaults)
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def __setstate__(self, state):
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super(AdamW, self).__setstate__(state)
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def step(self, closure=None):
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loss = None
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if closure is not None:
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loss = closure()
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for group in self.param_groups:
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for p in group['params']:
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if p.grad is None:
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continue
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grad = p.grad.data.float()
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if grad.is_sparse:
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raise RuntimeError('Adam does not support sparse gradients, please consider SparseAdam instead')
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p_data_fp32 = p.data.float()
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state = self.state[p]
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if len(state) == 0:
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state['step'] = 0
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state['exp_avg'] = torch.zeros_like(p_data_fp32)
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state['exp_avg_sq'] = torch.zeros_like(p_data_fp32)
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else:
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state['exp_avg'] = state['exp_avg'].type_as(p_data_fp32)
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state['exp_avg_sq'] = state['exp_avg_sq'].type_as(p_data_fp32)
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exp_avg, exp_avg_sq = state['exp_avg'], state['exp_avg_sq']
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beta1, beta2 = group['betas']
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state['step'] += 1
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exp_avg_sq.mul_(beta2).addcmul_(1 - beta2, grad, grad)
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exp_avg.mul_(beta1).add_(1 - beta1, grad)
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denom = exp_avg_sq.sqrt().add_(group['eps'])
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bias_correction1 = 1 - beta1 ** state['step']
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bias_correction2 = 1 - beta2 ** state['step']
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if group['warmup'] > state['step']:
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scheduled_lr = 1e-8 + state['step'] * group['lr'] / group['warmup']
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else:
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scheduled_lr = group['lr']
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step_size = group['lr'] * math.sqrt(bias_correction2) / bias_correction1
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if group['weight_decay'] != 0:
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p_data_fp32.add_(-group['weight_decay'] * scheduled_lr, p_data_fp32)
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p_data_fp32.addcdiv_(-step_size, exp_avg, denom)
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p.data.copy_(p_data_fp32)
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return loss
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