import os import json import argparse import itertools import math import torch from torch import nn, optim from torch.nn import functional as F from torch.utils.data import DataLoader from torch.utils.tensorboard import SummaryWriter import torch.multiprocessing as mp import torch.distributed as dist from torch.nn.parallel import DistributedDataParallel as DDP from torch.cuda.amp import autocast, GradScaler import commons import utils from data_utils import ( TextAudioSpeakerLoader, TextAudioSpeakerCollate, DistributedBucketSampler ) from models import ( SynthesizerTrn, MultiPeriodDiscriminator, MultiCoMBDiscriminator, MultiSubBandDiscriminator ) from losses import ( generator_loss, discriminator_loss, feature_loss, kl_loss, ForwardSumLoss ) from mel_processing import mel_spectrogram_torch, spec_to_mel_torch from text.symbols import symbols import logging torch.backends.cudnn.benchmark = False global_step = 0 def main(): """Assume Single Node Multi GPUs Training Only""" assert torch.cuda.is_available(), "CPU training is not allowed." n_gpus = torch.cuda.device_count() os.environ['MASTER_ADDR'] = 'localhost' os.environ['MASTER_PORT'] = '35000' hps = utils.get_hparams() mp.spawn(run, nprocs=n_gpus, args=(n_gpus, hps,)) def run(rank, n_gpus, hps): global global_step if rank == 0: logger = utils.get_logger(hps.model_dir) logger.info(hps) utils.check_git_hash(hps.model_dir) writer = SummaryWriter(log_dir=hps.model_dir) writer_eval = SummaryWriter(log_dir=os.path.join(hps.model_dir, "eval")) numba_logger = logging.getLogger('numba') numba_logger.setLevel(logging.WARNING) dist.init_process_group(backend='nccl', init_method='env://', world_size=n_gpus, rank=rank) torch.manual_seed(hps.train.seed) torch.cuda.set_device(rank) train_dataset = TextAudioSpeakerLoader(hps.data.training_files, hps.data) train_sampler = DistributedBucketSampler( train_dataset, hps.train.batch_size, [32,300,400,500,600,700,800,900,1000], num_replicas=n_gpus, rank=rank, shuffle=True) collate_fn = TextAudioSpeakerCollate() train_loader = DataLoader(train_dataset, num_workers=8, shuffle=False, pin_memory=True, collate_fn=collate_fn, batch_sampler=train_sampler) if rank == 0: eval_dataset = TextAudioSpeakerLoader(hps.data.validation_files, hps.data) eval_loader = DataLoader(eval_dataset, num_workers=8, shuffle=False, batch_size=hps.train.batch_size, pin_memory=True, drop_last=False, collate_fn=collate_fn) net_g = SynthesizerTrn( len(symbols), hps.data.filter_length // 2 + 1, hps.train.segment_size // hps.data.hop_length, n_speakers=hps.data.n_speakers, **hps.model).cuda(rank) mcmbd = MultiCoMBDiscriminator(hps.disc.combd_kernels, hps.disc.combd_channels, hps.disc.combd_groups, hps.disc.combd_strides).cuda(rank) msbd = MultiSubBandDiscriminator(hps.disc.tkernels, hps.disc.fkernel, hps.disc.tchannels, hps.disc.fchannels, hps.disc.tstrides, hps.disc.fstride, hps.disc.tdilations, hps.disc.fdilations, hps.disc.tsubband, hps.disc.pqmf_n, hps.disc.pqmf_m, hps.disc.freq_init_ch).cuda(rank) optim_g = torch.optim.AdamW( net_g.parameters(), hps.train.learning_rate, betas=hps.train.betas, eps=hps.train.eps) optim_d = torch.optim.AdamW( itertools.chain(msbd.parameters(), mcmbd.parameters()), hps.train.learning_rate, betas=hps.train.betas, eps=hps.train.eps) net_g = DDP(net_g, device_ids=[rank]) mcmbd = DDP(mcmbd, device_ids=[rank],find_unused_parameters=True) msbd = DDP(msbd, device_ids=[rank]) try: _, _, _, epoch_str = utils.load_checkpoint(utils.latest_checkpoint_path(hps.model_dir, "G_*.pth"), net_g, optim_g) _, _, _, epoch_str = utils.load_checkpoint(utils.latest_checkpoint_path(hps.model_dir, "D0_*.pth"), mcmbd, optim_d) _, _, _, epoch_str = utils.load_checkpoint(utils.latest_checkpoint_path(hps.model_dir, "D1_*.pth"), msbd, optim_d) global_step = (epoch_str - 1) * len(train_loader) except: epoch_str = 1 global_step = 0 if len(hps.pt_path) > 1 and global_step == 0: if rank == 0: logger.info(f"Trying to load pretrained weights from {hps.pt_path}") _, _, _, s_ = utils.load_checkpoint(utils.latest_checkpoint_path(hps.pt_path, "G_*.pth"), net_g, None) _, _, _, s_ = utils.load_checkpoint(utils.latest_checkpoint_path(hps.pt_path, "D0_*.pth"), mcmbd, None) _, _, _, s_ = utils.load_checkpoint(utils.latest_checkpoint_path(hps.pt_path, "D1_*.pth"), msbd, None) scheduler_g = torch.optim.lr_scheduler.ExponentialLR(optim_g, gamma=hps.train.lr_decay, last_epoch=epoch_str-2) scheduler_d = torch.optim.lr_scheduler.ExponentialLR(optim_d, gamma=hps.train.lr_decay, last_epoch=epoch_str-2) scaler = GradScaler(enabled=hps.train.fp16_run) for epoch in range(epoch_str, hps.train.epochs + 1): if rank==0: train_and_evaluate(rank, epoch, hps, [net_g, mcmbd, msbd], [optim_g, optim_d], [scheduler_g, scheduler_d], scaler, [train_loader, eval_loader], logger, [writer, writer_eval]) else: train_and_evaluate(rank, epoch, hps, [net_g, mcmbd, msbd], [optim_g, optim_d], [scheduler_g, scheduler_d], scaler, [train_loader, None], None, None) scheduler_g.step() scheduler_d.step() def train_and_evaluate(rank, epoch, hps, nets, optims, schedulers, scaler, loaders, logger, writers): net_g, mcmbd, msbd = nets optim_g, optim_d = optims scheduler_g, scheduler_d = schedulers train_loader, eval_loader = loaders if writers is not None: writer, writer_eval = writers train_loader.batch_sampler.set_epoch(epoch) forward_sum = ForwardSumLoss() global global_step net_g.train() mcmbd.train() msbd.train() for batch_idx, (x, x_lengths, spec, spec_lengths, y, y_lengths, speakers) in enumerate(train_loader): x, x_lengths = x.cuda(rank, non_blocking=True), x_lengths.cuda(rank, non_blocking=True) spec, spec_lengths = spec.cuda(rank, non_blocking=True), spec_lengths.cuda(rank, non_blocking=True) y, y_lengths = y.cuda(rank, non_blocking=True), y_lengths.cuda(rank, non_blocking=True) speakers = speakers.cuda(rank, non_blocking=True) with autocast(enabled=hps.train.fp16_run): mel = spec_to_mel_torch( spec, hps.data.filter_length, hps.data.n_mel_channels, hps.data.sampling_rate, hps.data.mel_fmin, hps.data.mel_fmax) y_hat, x1, l_length, attn, attn_logprob, ids_slice, x_mask, z_mask,\ (z, z_p, m_p, logs_p, m_q, logs_q) = net_g(x, x_lengths, spec, spec_lengths,mel,speakers) y_mel = commons.slice_segments(mel, ids_slice, hps.train.segment_size // hps.data.hop_length) y_hat_mel = mel_spectrogram_torch( y_hat.squeeze(1), hps.data.filter_length, hps.data.n_mel_channels, hps.data.sampling_rate, hps.data.hop_length, hps.data.win_length, hps.data.mel_fmin, hps.data.mel_fmax ) y = commons.slice_segments(y, ids_slice * hps.data.hop_length, hps.train.segment_size) # slice # MSBD first y_d_hat_r, y_d_hat_g, _, _ = msbd(y, y_hat.detach()) with autocast(enabled=False): loss_disc, losses_disc_r, losses_disc_g = discriminator_loss(y_d_hat_r, y_d_hat_g) #MCMBD second y_d1_hat_r, y_d1_hat_g, _, _ = mcmbd(y, y_hat.detach(), x1.detach()) with autocast(enabled=False): loss_disc_d1, losses_disc_d1_r, losses_disc_d1_g = discriminator_loss(y_d1_hat_r, y_d1_hat_g) loss_disc_all = loss_disc + loss_disc_d1 optim_d.zero_grad() scaler.scale(loss_disc_all).backward() scaler.unscale_(optim_d) grad_norm_d = commons.clip_grad_value_(msbd.parameters(), None) + commons.clip_grad_value_(mcmbd.parameters(), None) scaler.step(optim_d) with autocast(enabled=hps.train.fp16_run): # Generator y_df_hat_r, y_df_hat_g, fmap_f_r, fmap_f_g = mcmbd(y, y_hat, x1) y_ds_hat_r, y_ds_hat_g, fmap_s_r, fmap_s_g = msbd(y, y_hat) with autocast(enabled=False): loss_dur = torch.sum(l_length.float()) ctc_loss = forward_sum(attn_logprob=attn_logprob, in_lens=x_lengths, out_lens=spec_lengths) loss_mel = F.l1_loss(y_mel, y_hat_mel) * hps.train.c_mel loss_kl = kl_loss(z_p, logs_q, m_p, logs_p, z_mask) * hps.train.c_kl loss_fm_f = 2 * feature_loss(fmap_f_r, fmap_f_g) loss_fm_s = 2 * feature_loss(fmap_s_r, fmap_s_g) loss_fm = loss_fm_f + loss_fm_s loss_gen_f, losses_gen_f = generator_loss(y_df_hat_g) loss_gen_s, losses_gen_s = generator_loss(y_ds_hat_g) loss_gen = loss_gen_f + loss_gen_s losses_gen = losses_gen_f + losses_gen_s loss_gen_all = loss_gen + loss_fm + loss_mel + loss_dur + loss_kl + ctc_loss optim_g.zero_grad() scaler.scale(loss_gen_all).backward() scaler.unscale_(optim_g) grad_norm_g = commons.clip_grad_value_(net_g.parameters(), None) scaler.step(optim_g) scaler.update() if rank==0: if global_step % hps.train.log_interval == 0: lr = optim_g.param_groups[0]['lr'] losses = [loss_disc, loss_gen, loss_fm, loss_mel, loss_dur, loss_kl, ctc_loss] logger.info('Train Epoch: {} [{:.0f}%]'.format( epoch, 100. * batch_idx / len(train_loader))) logger.info([x.item() for x in losses] + [global_step, lr]) scalar_dict = {"loss/g/total": loss_gen_all, "loss/d/total": loss_disc_all, "learning_rate": lr, "grad_norm_d": grad_norm_d, "grad_norm_g": grad_norm_g} scalar_dict.update({"loss/g/fm": loss_fm, "loss/g/mel": loss_mel, "loss/g/dur": loss_dur, "loss/g/kl": loss_kl, "loss/g/ctc" : ctc_loss}) scalar_dict.update({"loss/g/{}".format(i): v for i, v in enumerate(losses_gen)}) scalar_dict.update({"loss/d_r/{}".format(i): v for i, v in enumerate(losses_disc_r)}) scalar_dict.update({"loss/d_g/{}".format(i): v for i, v in enumerate(losses_disc_g)}) image_dict = { "slice/mel_org": utils.plot_spectrogram_to_numpy(y_mel[0].data.cpu().numpy()), "slice/mel_gen": utils.plot_spectrogram_to_numpy(y_hat_mel[0].data.cpu().numpy()), "all/mel": utils.plot_spectrogram_to_numpy(mel[0].data.cpu().numpy()), "all/attn": utils.plot_alignment_to_numpy(attn[0,0].data.cpu().numpy()) } utils.summarize( writer=writer, global_step=global_step, images=image_dict, scalars=scalar_dict) if global_step % hps.train.eval_interval == 0: evaluate(hps, net_g, eval_loader, writer_eval) utils.save_checkpoint(net_g, optim_g, hps.train.learning_rate, epoch, os.path.join(hps.model_dir, "G_{}.pth".format(global_step))) utils.save_checkpoint(mcmbd, optim_d, hps.train.learning_rate, epoch, os.path.join(hps.model_dir, "D0_{}.pth".format(global_step))) utils.save_checkpoint(msbd, optim_d, hps.train.learning_rate, epoch, os.path.join(hps.model_dir, "D1_{}.pth".format(global_step))) global_step += 1 if rank == 0: logger.info('====> Epoch: {}'.format(epoch)) def evaluate(hps, generator, eval_loader, writer_eval): generator.eval() with torch.no_grad(): for batch_idx, (x, x_lengths, spec, spec_lengths, y, y_lengths, speakers) in enumerate(eval_loader): x, x_lengths = x.cuda(0), x_lengths.cuda(0) spec, spec_lengths = spec.cuda(0), spec_lengths.cuda(0) y, y_lengths = y.cuda(0), y_lengths.cuda(0) speakers = speakers.cuda(0) # remove else x = x[:1] x_lengths = x_lengths[:1] spec = spec[:1] spec_lengths = spec_lengths[:1] y = y[:1] y_lengths = y_lengths[:1] speakers = speakers[:1] break y_hat, attn, mask, *_ = generator.module.infer(x, x_lengths, speakers, max_len=1000) y_hat_lengths = mask.sum([1,2]).long() * hps.data.hop_length mel = spec_to_mel_torch( spec, hps.data.filter_length, hps.data.n_mel_channels, hps.data.sampling_rate, hps.data.mel_fmin, hps.data.mel_fmax) y_hat_mel = mel_spectrogram_torch( y_hat.squeeze(1).float(), hps.data.filter_length, hps.data.n_mel_channels, hps.data.sampling_rate, hps.data.hop_length, hps.data.win_length, hps.data.mel_fmin, hps.data.mel_fmax ) image_dict = { "gen/mel": utils.plot_spectrogram_to_numpy(y_hat_mel[0].cpu().numpy()) } audio_dict = { "gen/audio": y_hat[0,:,:y_hat_lengths[0]] } if global_step == 0: image_dict.update({"gt/mel": utils.plot_spectrogram_to_numpy(mel[0].cpu().numpy())}) audio_dict.update({"gt/audio": y[0,:,:y_lengths[0]]}) utils.summarize( writer=writer_eval, global_step=global_step, images=image_dict, audios=audio_dict, audio_sampling_rate=hps.data.sampling_rate ) generator.train() if __name__ == "__main__": main()