| """ |
| Train a diffusion model on images. |
| """ |
| import random |
| import json |
| import sys |
| import os |
|
|
| sys.path.append('.') |
| import torch.distributed as dist |
|
|
| import traceback |
|
|
| import torch as th |
|
|
| import torch.multiprocessing as mp |
| import numpy as np |
|
|
| import argparse |
| import dnnlib |
| from guided_diffusion import dist_util, logger |
| from guided_diffusion.script_util import ( |
| args_to_dict, |
| add_dict_to_argparser, |
| ) |
| |
| from nsr.train_nv_util import TrainLoop3DRecNV, TrainLoop3DRec, TrainLoop3DRecNVPatch, TrainLoop3DRecNVPatchSingleForward, TrainLoop3DRecNVPatchSingleForwardMV, TrainLoop3DRecNVPatchSingleForwardMVAdvLoss |
|
|
| from nsr.script_util import create_3DAE_model, encoder_and_nsr_defaults, loss_defaults, rendering_options_defaults, eg3d_options_default, dataset_defaults |
| from nsr.losses.builder import E3DGELossClass, E3DGE_with_AdvLoss |
|
|
| from pdb import set_trace as st |
|
|
| |
| |
| |
| |
|
|
| enable_tf32 = th.backends.cuda.matmul.allow_tf32 |
|
|
| th.backends.cuda.matmul.allow_tf32 = enable_tf32 |
| th.backends.cudnn.allow_tf32 = enable_tf32 |
| th.backends.cudnn.enabled = True |
|
|
|
|
| def training_loop(args): |
| |
| dist_util.setup_dist(args) |
| |
| th.autograd.set_detect_anomaly(False) |
| |
|
|
| SEED = args.seed |
|
|
| |
| logger.log(f"{args.local_rank=} init complete, seed={SEED}") |
| th.cuda.set_device(args.local_rank) |
| th.cuda.empty_cache() |
|
|
| |
| th.cuda.manual_seed_all(SEED) |
| np.random.seed(SEED) |
| random.seed(SEED) |
|
|
| |
| logger.configure(dir=args.logdir) |
|
|
| logger.log("creating encoder and NSR decoder...") |
| |
| device = th.device("cuda", args.local_rank) |
|
|
| |
| opts = eg3d_options_default() |
|
|
| if args.sr_training: |
| args.sr_kwargs = dnnlib.EasyDict( |
| channel_base=opts.cbase, |
| channel_max=opts.cmax, |
| fused_modconv_default='inference_only', |
| use_noise=True |
| ) |
|
|
| auto_encoder = create_3DAE_model( |
| **args_to_dict(args, |
| encoder_and_nsr_defaults().keys())) |
| auto_encoder.to(device) |
| auto_encoder.train() |
|
|
| logger.log("creating data loader...") |
| |
| |
| if args.objv_dataset: |
| from datasets.g_buffer_objaverse import load_data, load_eval_data, load_memory_data, load_wds_data |
| else: |
| from datasets.shapenet import load_data, load_eval_data, load_memory_data |
|
|
| if args.overfitting: |
| data = load_memory_data( |
| file_path=args.data_dir, |
| batch_size=args.batch_size, |
| reso=args.image_size, |
| reso_encoder=args.image_size_encoder, |
| num_workers=args.num_workers, |
| |
| |
| **args_to_dict(args, |
| dataset_defaults().keys())) |
| eval_data = None |
| else: |
| if args.use_wds: |
| |
| if args.data_dir == 'NONE': |
| with open(args.shards_lst) as f: |
| shards_lst = [url.strip() for url in f.readlines()] |
| data = load_wds_data( |
| shards_lst, |
| args.image_size, |
| args.image_size_encoder, |
| args.batch_size, |
| args.num_workers, |
| |
| |
| |
| **args_to_dict(args, |
| dataset_defaults().keys())) |
|
|
| elif not args.inference: |
| data = load_wds_data(args.data_dir, |
| args.image_size, |
| args.image_size_encoder, |
| args.batch_size, |
| args.num_workers, |
| plucker_embedding=args.plucker_embedding, |
| mv_input=args.mv_input, |
| split_chunk_input=args.split_chunk_input) |
| else: |
| data = None |
| |
|
|
| if args.eval_data_dir == 'NONE': |
| with open(args.eval_shards_lst) as f: |
| eval_shards_lst = [url.strip() for url in f.readlines()] |
| else: |
| eval_shards_lst = args.eval_data_dir |
|
|
| eval_data = load_wds_data( |
| eval_shards_lst, |
| args.image_size, |
| args.image_size_encoder, |
| args.eval_batch_size, |
| args.num_workers, |
| |
| |
| |
| |
| |
| **args_to_dict(args, |
| dataset_defaults().keys())) |
| |
|
|
| else: |
|
|
| if args.inference: |
| data = None |
| else: |
| data = load_data( |
| file_path=args.data_dir, |
| batch_size=args.batch_size, |
| reso=args.image_size, |
| reso_encoder=args.image_size_encoder, |
| num_workers=args.num_workers, |
| load_depth=True, |
| preprocess=auto_encoder.preprocess, |
| dataset_size=args.dataset_size, |
| trainer_name=args.trainer_name, |
| use_lmdb=args.use_lmdb, |
| use_wds=args.use_wds, |
| use_lmdb_compressed=args.use_lmdb_compressed, |
| plucker_embedding=args.plucker_embedding |
| |
| ) |
|
|
| if args.pose_warm_up_iter > 0: |
| overfitting_dataset = load_memory_data( |
| file_path=args.data_dir, |
| batch_size=args.batch_size, |
| reso=args.image_size, |
| reso_encoder=args.image_size_encoder, |
| num_workers=args.num_workers, |
| |
| |
| **args_to_dict(args, |
| dataset_defaults().keys())) |
| data = [data, overfitting_dataset, args.pose_warm_up_iter] |
|
|
| eval_data = load_eval_data( |
| file_path=args.eval_data_dir, |
| batch_size=args.eval_batch_size, |
| reso=args.image_size, |
| reso_encoder=args.image_size_encoder, |
| num_workers=args.num_workers, |
| load_depth=True, |
| preprocess=auto_encoder.preprocess, |
| |
| |
| |
| |
| |
| |
| |
| **args_to_dict(args, |
| dataset_defaults().keys())) |
|
|
| logger.log("creating data loader done...") |
|
|
| args.img_size = [args.image_size_encoder] |
| |
| |
| |
|
|
| |
|
|
| |
| dist_util.synchronize() |
|
|
| |
|
|
| opt = dnnlib.EasyDict(args_to_dict(args, loss_defaults().keys())) |
| |
| if 'disc' in args.trainer_name: |
| loss_class = E3DGE_with_AdvLoss( |
| device, |
| opt, |
| |
| disc_factor=args.patchgan_disc_factor, |
| disc_weight=args.patchgan_disc_g_weight).to(device) |
| else: |
| loss_class = E3DGELossClass(device, opt).to(device) |
|
|
| |
|
|
| logger.log("training...") |
|
|
| TrainLoop = { |
| 'input_rec': TrainLoop3DRec, |
| 'nv_rec': TrainLoop3DRecNV, |
| |
| 'nv_rec_patch': TrainLoop3DRecNVPatchSingleForward, |
| 'nv_rec_patch_mvE': TrainLoop3DRecNVPatchSingleForwardMV, |
| 'nv_rec_patch_mvE_disc': TrainLoop3DRecNVPatchSingleForwardMVAdvLoss, |
| }[args.trainer_name] |
|
|
| logger.log("creating TrainLoop done...") |
|
|
| |
| |
| auto_encoder.decoder.rendering_kwargs = args.rendering_kwargs |
| train_loop = TrainLoop( |
| rec_model=auto_encoder, |
| loss_class=loss_class, |
| data=data, |
| eval_data=eval_data, |
| |
| **vars(args)) |
|
|
| if args.inference: |
| camera = th.load('assets/objv_eval_pose.pt', map_location=dist_util.dev()) |
| train_loop.eval_novelview_loop(camera=camera, |
| save_latent=args.save_latent) |
| else: |
| train_loop.run_loop() |
|
|
|
|
| def create_argparser(**kwargs): |
| |
|
|
| defaults = dict( |
| seed=0, |
| dataset_size=-1, |
| trainer_name='input_rec', |
| use_amp=False, |
| overfitting=False, |
| num_workers=4, |
| image_size=128, |
| image_size_encoder=224, |
| iterations=150000, |
| anneal_lr=False, |
| lr=5e-5, |
| weight_decay=0.0, |
| lr_anneal_steps=0, |
| batch_size=1, |
| eval_batch_size=12, |
| microbatch=-1, |
| ema_rate="0.9999", |
| log_interval=50, |
| eval_interval=2500, |
| save_interval=10000, |
| resume_checkpoint="", |
| use_fp16=False, |
| fp16_scale_growth=1e-3, |
| data_dir="", |
| eval_data_dir="", |
| |
| logdir="/mnt/lustre/yslan/logs/nips23/", |
| |
| pose_warm_up_iter=-1, |
| inference=False, |
| export_latent=False, |
| save_latent=False, |
| ) |
|
|
| defaults.update(dataset_defaults()) |
| defaults.update(encoder_and_nsr_defaults()) |
| defaults.update(loss_defaults()) |
|
|
| parser = argparse.ArgumentParser() |
| add_dict_to_argparser(parser, defaults) |
|
|
| return parser |
|
|
|
|
| if __name__ == "__main__": |
| |
| |
| |
| |
|
|
| args = create_argparser().parse_args() |
| args.local_rank = int(os.environ["LOCAL_RANK"]) |
| |
| |
| args.gpus = th.cuda.device_count() |
|
|
| opts = args |
|
|
| args.rendering_kwargs = rendering_options_defaults(opts) |
|
|
| |
| with open(os.path.join(args.logdir, 'args.json'), 'w') as f: |
| json.dump(vars(args), f, indent=2) |
|
|
| |
| print('Launching processes...') |
|
|
| try: |
| training_loop(args) |
| |
| except Exception as e: |
| |
| traceback.print_exc() |
| dist_util.cleanup() |
|
|