| | """ |
| | 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() |
| |
|