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| from model import CFM, UNetT, DiT, Trainer | |
| from model.utils import get_tokenizer | |
| from model.dataset import load_dataset | |
| # -------------------------- Dataset Settings --------------------------- # | |
| target_sample_rate = 24000 | |
| n_mel_channels = 100 | |
| hop_length = 256 | |
| tokenizer = "pinyin" # 'pinyin', 'char', or 'custom' | |
| tokenizer_path = None # if tokenizer = 'custom', define the path to the tokenizer you want to use (should be vocab.txt) | |
| dataset_name = "Emilia_ZH_EN" | |
| # -------------------------- Training Settings -------------------------- # | |
| exp_name = "F5TTS_Base" # F5TTS_Base | E2TTS_Base | |
| learning_rate = 7.5e-5 | |
| batch_size_per_gpu = 38400 # 8 GPUs, 8 * 38400 = 307200 | |
| batch_size_type = "frame" # "frame" or "sample" | |
| max_samples = 64 # max sequences per batch if use frame-wise batch_size. we set 32 for small models, 64 for base models | |
| grad_accumulation_steps = 1 # note: updates = steps / grad_accumulation_steps | |
| max_grad_norm = 1.0 | |
| epochs = 11 # use linear decay, thus epochs control the slope | |
| num_warmup_updates = 20000 # warmup steps | |
| save_per_updates = 50000 # save checkpoint per steps | |
| last_per_steps = 5000 # save last checkpoint per steps | |
| # model params | |
| if exp_name == "F5TTS_Base": | |
| wandb_resume_id = None | |
| model_cls = DiT | |
| model_cfg = dict(dim=1024, depth=22, heads=16, ff_mult=2, text_dim=512, conv_layers=4) | |
| elif exp_name == "E2TTS_Base": | |
| wandb_resume_id = None | |
| model_cls = UNetT | |
| model_cfg = dict(dim=1024, depth=24, heads=16, ff_mult=4) | |
| # ----------------------------------------------------------------------- # | |
| def main(): | |
| if tokenizer == "custom": | |
| tokenizer_path = tokenizer_path | |
| else: | |
| tokenizer_path = dataset_name | |
| vocab_char_map, vocab_size = get_tokenizer(tokenizer_path, tokenizer) | |
| mel_spec_kwargs = dict( | |
| target_sample_rate=target_sample_rate, | |
| n_mel_channels=n_mel_channels, | |
| hop_length=hop_length, | |
| ) | |
| model = CFM( | |
| transformer=model_cls(**model_cfg, text_num_embeds=vocab_size, mel_dim=n_mel_channels), | |
| mel_spec_kwargs=mel_spec_kwargs, | |
| vocab_char_map=vocab_char_map, | |
| ) | |
| trainer = Trainer( | |
| model, | |
| epochs, | |
| learning_rate, | |
| num_warmup_updates=num_warmup_updates, | |
| save_per_updates=save_per_updates, | |
| checkpoint_path=f"ckpts/{exp_name}", | |
| batch_size=batch_size_per_gpu, | |
| batch_size_type=batch_size_type, | |
| max_samples=max_samples, | |
| grad_accumulation_steps=grad_accumulation_steps, | |
| max_grad_norm=max_grad_norm, | |
| wandb_project="CFM-TTS", | |
| wandb_run_name=exp_name, | |
| wandb_resume_id=wandb_resume_id, | |
| last_per_steps=last_per_steps, | |
| ) | |
| train_dataset = load_dataset(dataset_name, tokenizer, mel_spec_kwargs=mel_spec_kwargs) | |
| trainer.train( | |
| train_dataset, | |
| resumable_with_seed=666, # seed for shuffling dataset | |
| ) | |
| if __name__ == "__main__": | |
| main() | |