import argparse import datetime import pytz import glob import inspect import os import re import sys import numpy as np import warnings warnings.filterwarnings("ignore") from rich import print from inspect import Parameter from typing import Union from matplotlib import pyplot as plt from natsort import natsorted from omegaconf import OmegaConf from packaging import version from PIL import Image from pathlib import Path import torch import torch.distributed as dist import torchvision import wandb import lightning.pytorch as pl from lightning.pytorch import seed_everything from lightning.pytorch.trainer import Trainer from lightning.pytorch.callbacks import Callback from lightning.pytorch.loggers import WandbLogger from lightning.pytorch.utilities.rank_zero import rank_zero_only from vidtok.modules.util import (exists, instantiate_from_config, isheatmap, print0, seed_anything) MULTINODE_HACKS = True def default_trainer_args(): argspec = dict(inspect.signature(Trainer.__init__).parameters) argspec.pop("self") default_args = { param: argspec[param].default for param in argspec if argspec[param] != Parameter.empty } return default_args def get_step_value(folder_name): match = re.search(r"step=(\d+)", folder_name) if match: return int(match.group(1)) return 0 def get_parser(**parser_kwargs): def str2bool(v): if isinstance(v, bool): return v if v.lower() in ("yes", "true", "t", "y", "1"): return True elif v.lower() in ("no", "false", "f", "n", "0"): return False else: raise argparse.ArgumentTypeError("Boolean value expected.") parser = argparse.ArgumentParser(**parser_kwargs) parser.add_argument( "-n", "--name", type=str, const=True, default="", nargs="?", help="postfix for logdir", ) parser.add_argument( "--no_date", type=str2bool, nargs="?", const=True, default=False, help="if True, skip date generation for logdir and only use naming via opt.base or opt.name (+ opt.postfix, optionally)", ) parser.add_argument( "-r", "--resume", type=str, const=True, default="", nargs="?", help="resume from logdir or checkpoint in logdir", ) parser.add_argument( "-b", "--base", nargs="*", metavar="base_config.yaml", help="paths to base configs. Loaded from left-to-right. " "Parameters can be overwritten or added with command-line options of the form `--key value`.", default=list(), ) parser.add_argument( "-t", "--train", type=str2bool, const=True, default=True, nargs="?", help="train", ) parser.add_argument( "--no-test", type=str2bool, const=True, default=True, nargs="?", help="disable test", ) parser.add_argument( "-p", "--project", help="name of new or path to existing project" ) parser.add_argument( "-d", "--debug", type=str2bool, nargs="?", const=True, default=False, help="enable post-mortem debugging", ) parser.add_argument( "-s", "--seed", type=int, default=23, help="seed for seed_everything", ) parser.add_argument( "--seed_rank", type=str2bool, nargs="?", const=True, default=False, help="reset seed every rank on fit start", ) parser.add_argument( "-f", "--postfix", type=str, default="", help="post-postfix for default name", ) parser.add_argument( "-l", "--logdir", type=str, default="logs", help="directory for logging dat shit", ) parser.add_argument( "--scale_lr", type=str2bool, nargs="?", const=True, default=False, help="scale base-lr by ngpu * batch_size * n_accumulate", ) parser.add_argument( "--legacy_naming", type=str2bool, nargs="?", const=True, default=False, help="name run based on config file name if true, else by whole path", ) parser.add_argument( "--enable_tf32", type=str2bool, nargs="?", const=True, default=True, help="enables the TensorFloat32 format both for matmuls and cuDNN for pytorch 1.12", ) parser.add_argument( "--startup", type=str, default=None, help="Startuptime from distributed script", ) parser.add_argument( "--wandb", type=str2bool, nargs="?", const=True, default=False, help="log to wandb", ) parser.add_argument( "--wandb_entity", type=str, default="", help="Wandb entity name string", ) parser.add_argument( "--wandb_key", type=str, default="", help="Wandb key", ) parser.add_argument( "--wandb_project", type=str, default="vidtok", ) parser.add_argument( "--wandb_id", type=str, default=None, help="automatically resume from the same wandb id" "must be used in combination with --wandb_auto_resume False", ) parser.add_argument( "--wandb_auto_resume", type=str2bool, nargs="?", const=True, default=True, help="will find the latest run id in the logdir" "if checkpoint_auto_resume is False, wandb_auto_resume will be ignored", ) parser.add_argument( "--checkpoint_auto_resume", type=str2bool, nargs="?", const=True, default=True, help="will find the latest checkpoint in the logdir" "if checkpoint_auto_resume is False, wandb_auto_resume will be ignored", ) parser.add_argument( "--no_base_name", type=str2bool, nargs="?", const=True, default=False, # TODO: later default to True help="log to wandb", ) if version.parse(torch.__version__) >= version.parse("2.0.0"): parser.add_argument( "--resume_from_checkpoint", type=str, default=None, help="single checkpoint file to resume from", ) default_args = default_trainer_args() for key in default_args: # parameters in the pl.Trainer are passed as --key value parser.add_argument("--" + key, default=default_args[key]) return parser def get_checkpoint_name(logdir): ckpt = os.path.join(logdir, "checkpoints", "last**.ckpt") ckpt = natsorted(glob.glob(ckpt)) print0('available "last" checkpoints:') print0(ckpt) if len(ckpt) > 1: print0("got most recent checkpoint") ckpt = sorted(ckpt, key=lambda x: os.path.getmtime(x))[-1] print0(f"Most recent ckpt is {ckpt}") with open(os.path.join(logdir, "most_recent_ckpt.txt"), "w") as f: f.write(ckpt + "\n") try: version = int(ckpt.split("/")[-1].split("-v")[-1].split(".")[0]) except Exception as e: print0("version confusion but not bad") print0(e) version = 1 # version = last_version + 1 else: # in this case, we only have one "last.ckpt" ckpt = ckpt[0] version = 1 melk_ckpt_name = f"last-v{version}.ckpt" print0(f"Current melk ckpt name: {melk_ckpt_name}") return ckpt, melk_ckpt_name class SetupCallback(Callback): def __init__( self, resume, now, logdir, ckptdir, cfgdir, config, lightning_config, debug, save_ckpt_on_exception=False, ckpt_name=None, seed=None, seed_rank=False, ): super().__init__() self.resume = resume self.now = now self.logdir = logdir self.ckptdir = ckptdir self.cfgdir = cfgdir self.config = config self.lightning_config = lightning_config self.debug = debug self.save_ckpt_on_exception = save_ckpt_on_exception self.ckpt_name = ckpt_name self.seed = seed self.seed_rank = seed_rank def on_exception(self, trainer: pl.Trainer, pl_module, exception): if self.save_ckpt_on_exception and (not self.debug) and (trainer.global_rank == 0): print0(f"[bold red]\[main][SetupCallback][/bold red] Saving checkpoint to {self.ckptdir}") if self.ckpt_name is None: ckpt_path = os.path.join(self.ckptdir, "last.ckpt") else: ckpt_path = os.path.join(self.ckptdir, self.ckpt_name) trainer.save_checkpoint(ckpt_path) def on_fit_start(self, trainer, pl_module): if self.seed_rank: # current_seed = torch.initial_seed() seed_anything(self.seed + trainer.global_rank) print(f"[bold red]\[main][SetupCallback][/bold red] Rank {trainer.global_rank}: Reset GLOBAL seed to {self.seed + trainer.global_rank}") elif hasattr(pl_module, "set_seed") and callable(pl_module.set_seed): pl_module.set_seed(self.seed) print0(f"[bold red]\[main][SetupCallback][/bold red] Set pl_module seed to {self.seed} with pl_module.set_seed") if trainer.global_rank == 0: # Create logdirs and save configs print0(f"[bold red]\[main][SetupCallback][/bold red] Creating logdir: {self.logdir}, ckptdir: {self.ckptdir}, cfgdir: {self.cfgdir}") os.makedirs(self.logdir, exist_ok=True) os.makedirs(self.ckptdir, exist_ok=True) os.makedirs(self.cfgdir, exist_ok=True) if "callbacks" in self.lightning_config: if ( "metrics_over_trainsteps_checkpoint" in self.lightning_config["callbacks"] ): os.makedirs( os.path.join(self.ckptdir, "trainstep_checkpoints"), exist_ok=True, ) print0("[bold red]\[main][SetupCallback][/bold red] Project config") print0(OmegaConf.to_yaml(self.config)) if MULTINODE_HACKS and not self.debug: import time time.sleep(5) OmegaConf.save( self.config, os.path.join(self.cfgdir, "{}-project.yaml".format(self.now)), ) print0("[bold red]\[main][SetupCallback][/bold red] Lightning config") print0(OmegaConf.to_yaml(self.lightning_config)) OmegaConf.save( OmegaConf.create({"lightning": self.lightning_config}), os.path.join(self.cfgdir, "{}-lightning.yaml".format(self.now)), ) else: # ModelCheckpoint callback created log directory --- remove it if not MULTINODE_HACKS and not self.resume and os.path.exists(self.logdir): dst, name = os.path.split(self.logdir) dst = os.path.join(dst, "child_runs", name) os.makedirs(os.path.split(dst)[0], exist_ok=True) try: os.rename(self.logdir, dst) except FileNotFoundError: pass class ImageLogger(Callback): def __init__( self, batch_frequency, max_samples, clamp=True, increase_log_steps=True, rescale=True, disabled=True, log_on_batch_idx=False, log_first_step=False, log_images_kwargs=None, log_before_first_step=False, enable_autocast=True, ): super().__init__() self.enable_autocast = enable_autocast self.rescale = rescale self.batch_freq = batch_frequency self.max_samples = max_samples self.log_steps = [2**n for n in range(int(np.log2(self.batch_freq)) + 1)] if not increase_log_steps: self.log_steps = [self.batch_freq] self.clamp = clamp self.disabled = disabled self.log_on_batch_idx = log_on_batch_idx self.log_images_kwargs = log_images_kwargs if log_images_kwargs else {} self.log_first_step = log_first_step self.log_before_first_step = log_before_first_step @rank_zero_only def log_local( self, save_dir, split, images, global_step, current_epoch, batch_idx, pl_module: Union[None, pl.LightningModule] = None, ): root = os.path.join(save_dir, "images", split) for k in images: if isheatmap(images[k]): fig, ax = plt.subplots() ax = ax.matshow( images[k].cpu().numpy(), cmap="hot", interpolation="lanczos" ) plt.colorbar(ax) plt.axis("off") filename = "{}_gs-{:06}_e-{:06}_b-{:06}.png".format( k, global_step, current_epoch, batch_idx ) os.makedirs(root, exist_ok=True) path = os.path.join(root, filename) plt.savefig(path) plt.close() # TODO: support wandb else: grid = torchvision.utils.make_grid(images[k], nrow=4) if self.rescale: grid = (grid + 1.0) / 2.0 # -1,1 -> 0,1; c,h,w grid = grid.transpose(0, 1).transpose(1, 2).squeeze(-1) grid = grid.numpy() grid = (grid * 255).astype(np.uint8) filename = "{}_gs-{:06}_e-{:06}_b-{:06}.png".format( k, global_step, current_epoch, batch_idx ) path = os.path.join(root, filename) os.makedirs(os.path.split(path)[0], exist_ok=True) img = Image.fromarray(grid) img.save(path) if exists(pl_module): assert isinstance( pl_module.logger, WandbLogger ), "logger_log_image only supports WandbLogger currently" pl_module.logger.log_image( key=f"{split}/{k}", images=[ img, ], step=pl_module.global_step, ) @rank_zero_only def log_img(self, pl_module, batch, batch_idx, split="train"): check_idx = batch_idx if self.log_on_batch_idx else pl_module.global_step if ( self.check_frequency(check_idx) and hasattr(pl_module, "log_images") # batch_idx % self.batch_freq == 0 and callable(pl_module.log_images) and self.max_samples > 0 ): logger = type(pl_module.logger) is_train = pl_module.training if is_train: pl_module.eval() gpu_autocast_kwargs = { "enabled": self.enable_autocast, # torch.is_autocast_enabled(), "dtype": torch.get_autocast_gpu_dtype(), "cache_enabled": torch.is_autocast_cache_enabled(), } with torch.no_grad(), torch.cuda.amp.autocast(**gpu_autocast_kwargs): images = pl_module.log_images( batch, split=split, **self.log_images_kwargs ) for k in images: N = min(images[k].shape[0], self.max_samples) if not isheatmap(images[k]): images[k] = images[k][:N] if isinstance(images[k], torch.Tensor): images[k] = images[k].detach().float().cpu() if self.clamp and not isheatmap(images[k]): images[k] = torch.clamp(images[k], -1.0, 1.0) self.log_local( pl_module.logger.save_dir, split, images, pl_module.global_step, pl_module.current_epoch, batch_idx, pl_module=pl_module if isinstance(pl_module.logger, WandbLogger) else None, ) if is_train: pl_module.train() def check_frequency(self, check_idx): if ((check_idx % self.batch_freq) == 0 or (check_idx in self.log_steps)) and ( check_idx > 0 or self.log_first_step ): try: self.log_steps.pop(0) except IndexError as e: print0("[bold red]\[main][ImageLogger][/bold red]", e) pass return True return False @rank_zero_only def on_train_batch_end(self, trainer, pl_module, outputs, batch, batch_idx): if not self.disabled and (pl_module.global_step > 0 or self.log_first_step): self.log_img(pl_module, batch, batch_idx, split="train") @rank_zero_only def on_train_batch_start(self, trainer, pl_module, batch, batch_idx): if self.log_before_first_step and pl_module.global_step == 0: print0(f"[bold red]\[main][ImageLogger][/bold red] {self.__class__.__name__}: logging before training") self.log_img(pl_module, batch, batch_idx, split="train") @rank_zero_only def on_validation_batch_end( self, trainer, pl_module, outputs, batch, batch_idx, *args, **kwargs ): if not self.disabled and pl_module.global_step > 0: self.log_img(pl_module, batch, batch_idx, split="val") if hasattr(pl_module, "calibrate_grad_norm"): if ( pl_module.calibrate_grad_norm and batch_idx % 25 == 0 ) and batch_idx > 0: self.log_gradients(trainer, pl_module, batch_idx=batch_idx) @rank_zero_only def init_wandb(save_dir, opt, config, group_name, name_str): print0(f"[bold red]\[main][init_wandb][/bold red] Creating WANDB_DIR: {save_dir}") os.makedirs(save_dir, exist_ok=True) # os.environ["WANDB_DIR"] = save_dir gitcmd = f'git config --global --add safe.directory {os.path.dirname(os.path.abspath(__file__))}' os.system(gitcmd) print0(f"[bold red]\[main][init_wandb][/bold red] wandb_id is set to {opt.wandb_id}") wandb_id = opt.wandb_id if opt.wandb_id is not None else name_str if not wandb.api.api_key: wandb.login(key=opt.wandb_key) if opt.debug: wandb.init(project=opt.wandb_project, mode="offline", group=group_name) else: wandb.init( project=opt.wandb_project, entity=opt.wandb_entity, config=dict(config), group=group_name, name=name_str, resume='auto', id=wandb_id, ) if __name__ == "__main__": # custom parser to specify config files, train, test and debug mode, # postfix, resume. # `--key value` arguments are interpreted as arguments to the trainer. # `nested.key=value` arguments are interpreted as config parameters. # configs are merged from left-to-right followed by command line parameters. # model: # base_learning_rate: float # target: path to lightning module # params: # key: value # data: # target: main.DataModuleFromConfig # params: # batch_size: int # wrap: bool # train: # target: path to train dataset # params: # key: value # validation: # target: path to validation dataset # params: # key: value # test: # target: path to test dataset # params: # key: value # lightning: (optional, has sane defaults and can be specified on cmdline) # trainer: # additional arguments to trainer # logger: # logger to instantiate # modelcheckpoint: # modelcheckpoint to instantiate # callbacks: # callback1: # target: importpath # params: # key: value now = datetime.datetime.now().strftime("%Y-%m-%dT%H-%M-%S") # add cwd for convenience and to make classes in this file available when # running as `python main.py` # (in particular `main.DataModuleFromConfig`) sys.path.append(os.getcwd()) parser = get_parser() opt, unknown = parser.parse_known_args() if opt.name and opt.resume: raise ValueError( "-n/--name and -r/--resume cannot be specified both." "If you want to resume training in a new log folder, " "use -n/--name in combination with --resume_from_checkpoint" ) melk_ckpt_name = None name = None if opt.resume: if not os.path.exists(opt.resume): raise ValueError("Cannot find {}".format(opt.resume)) if os.path.isfile(opt.resume): paths = opt.resume.split("/") # idx = len(paths)-paths[::-1].index("logs")+1 # logdir = "/".join(paths[:idx]) logdir = "/".join(paths[:-2]) ckpt = opt.resume _, melk_ckpt_name = get_checkpoint_name(logdir) else: assert os.path.isdir(opt.resume), opt.resume logdir = opt.resume.rstrip("/") ckpt, melk_ckpt_name = get_checkpoint_name(logdir) print0("-" * 80) print0(f'[bold red][main][/bold red] Resuming from checkpoint "{ckpt}"') opt.resume_from_checkpoint = ckpt base_configs = sorted(glob.glob(os.path.join(logdir, "configs/*.yaml"))) opt.base = base_configs + opt.base _tmp = logdir.split("/") nowname = _tmp[-1] else: if opt.name: name = "_" + opt.name elif opt.base: if opt.no_base_name: name = "" else: if opt.legacy_naming: cfg_fname = os.path.split(opt.base[0])[-1] cfg_name = os.path.splitext(cfg_fname)[0] else: assert "configs" in os.path.split(opt.base[0])[0], os.path.split( opt.base[0] )[0] cfg_path = os.path.split(opt.base[0])[0].split(os.sep)[ os.path.split(opt.base[0])[0].split(os.sep).index("configs") + 1 : ] # cut away the first one (we assert all configs are in "configs") cfg_name = os.path.splitext(os.path.split(opt.base[0])[-1])[0] cfg_name = "-".join(cfg_path) + f"-{cfg_name}" name = "_" + cfg_name else: name = "" # automatic resume last checkpoint if available if os.path.exists(opt.logdir): auto_resumed = False for sub_dir in sorted(os.listdir(opt.logdir)): if sub_dir.endswith(name + opt.postfix): ## checkpoint resume if opt.checkpoint_auto_resume and not opt.debug: checkpoint_dir = os.path.join(opt.logdir, sub_dir, "checkpoints") # Use the max step checkpoint file ckpt_files1 = glob.glob(os.path.join(checkpoint_dir, "*/*.ckpt")) ckpt_files2 = glob.glob(os.path.join(checkpoint_dir, "*.ckpt")) ckpt_files = ckpt_files1 + ckpt_files2 ckpt_files.sort(key=get_step_value, reverse=True) if ckpt_files: ckpt = ckpt_files[0] else: # If no checkpoint files found, use a random initialized model ckpt = None if ckpt is not None and os.path.isfile(ckpt): opt.resume_from_checkpoint = ckpt auto_resumed = True # print0("-" * 80) print0(f"[bold red]\[main][/bold red] Find previous log dir and checkpoint: {ckpt}") ## wandb resume if opt.wandb_auto_resume: wandb_dir = Path(os.path.join(opt.logdir, sub_dir)) / "wandb" if wandb_dir.exists() and any((wandb_dir / "latest-run").iterdir()): # Parse unique `run_id` from the `.wandb.` file... wandb_fns = [f.name for f in (wandb_dir / "latest-run").iterdir() if f.name.endswith(".wandb")] assert len(wandb_fns) == 1, f"There should only be 1 `.wandb.` file... found {len(wandb_fns)}!" # Regex Match on `run-{id}.wandb` opt.wandb_id = re.search("run-(.+?).wandb", wandb_fns[0]).group(1) # print0("-" * 80) print0(f"[bold red]\[main][/bold red] Find previous wandb run id: {opt.wandb_id}") if auto_resumed: print0(f"[bold red]\[main][/bold red] Auto-resuming from checkpoint: {opt.resume_from_checkpoint} and wandb id: {opt.wandb_id}") ckpt_basename = os.path.basename(opt.resume_from_checkpoint) seed_str = ''.join(re.findall(r'\d+', ckpt_basename)) if len(seed_str) > 0: opt.seed = int(seed_str) print0(f"[bold red]\[main][/bold red] Auto-reseting seed to {opt.seed} from checkpoint name") if not opt.no_date: nowname = now + name + opt.postfix else: nowname = name + opt.postfix if nowname.startswith("_"): nowname = nowname[1:] logdir = os.path.join(opt.logdir, nowname) print0(f"[bold red]\[main][/bold red] LOGDIR: {logdir}") ckptdir = os.path.join(logdir, "checkpoints") cfgdir = os.path.join(logdir, "configs") if not opt.seed_rank: seed_everything(opt.seed, workers=True) # torch.initial_seed() # move before model init, in case a torch.compile(...) is called somewhere if opt.enable_tf32: # pt_version = version.parse(torch.__version__) torch.backends.cuda.matmul.allow_tf32 = True torch.backends.cudnn.allow_tf32 = True print0(f"[bold red]\[main][/bold red] Enabling TF32 for PyTorch {torch.__version__}") else: print0(f"[bold red]\[main][/bold red] Using default TF32 settings for PyTorch {torch.__version__}:") print0(f"[bold red]\[main][/bold red] torch.backends.cuda.matmul.allow_tf32={torch.backends.cuda.matmul.allow_tf32}") print0(f"[bold red]\[main][/bold red] torch.backends.cudnn.allow_tf32={torch.backends.cudnn.allow_tf32}") try: # init and save configs configs = [OmegaConf.load(cfg) for cfg in opt.base] # deal with the unknown args, e.g., --model.base_learning_rate=1.0e-4 for i, u in enumerate(unknown): if u.startswith("--"): unknown[i] = u[2:] # merge all configs and cli args cli = OmegaConf.from_dotlist(unknown) config = OmegaConf.merge(*configs, cli) print0("-" * 80) print0(f"[bold red]\[main][/bold red] Merged input config: {config}") lightning_config = config.pop("lightning", OmegaConf.create()) # merge trainer cli with config trainer_config = lightning_config.get("trainer", OmegaConf.create()) # debug: default to one node if opt.debug: trainer_config["num_nodes"] = 1 # default profiler trainer_config["profiler"] = None if not opt.debug else "simple" # default to gpu trainer_config["accelerator"] = "gpu" # standard_args = default_trainer_args() for k in standard_args: if getattr(opt, k) != standard_args[k]: trainer_config[k] = getattr(opt, k) if not "devices" in trainer_config and trainer_config["accelerator"] != "gpu": del trainer_config["accelerator"] cpu = True else: gpuinfo = trainer_config["devices"] print0(f"[bold red]\[main][/bold red] Running on {gpuinfo} GPUs") cpu = False trainer_opt = argparse.Namespace(**trainer_config) lightning_config.trainer = trainer_config # model model = instantiate_from_config(config.model) # trainer and callbacks trainer_kwargs = dict() # default logger configs default_logger_cfgs = { "wandb": { "target": "lightning.pytorch.loggers.WandbLogger", "params": { "name": nowname, "save_dir": logdir, "offline": opt.debug, "id": nowname, "project": opt.wandb_project, "log_model": False, "entity": opt.wandb_entity, }, }, "csv": { "target": "lightning.pytorch.loggers.CSVLogger", "params": { "name": "testtube", # hack for sbord fanatics "save_dir": logdir, }, }, "tensorboard": { "target": "lightning.pytorch.loggers.TensorBoardLogger", "params": { "save_dir": logdir, "name": 'tensorboard', "version": nowname, } }, } default_logger_cfg = default_logger_cfgs["wandb" if opt.wandb else "tensorboard"] if opt.wandb: # change once leaving "swiffer" config directory try: group_name = nowname.split(now)[-1].split("-")[1] except: group_name = nowname default_logger_cfg["params"]["group"] = group_name wandb_save_dir = os.path.join(os.getcwd(), logdir) os.environ["WANDB_DIR"] = wandb_save_dir init_wandb( wandb_save_dir, opt=opt, group_name=group_name, config=config, name_str=nowname, ) if "logger" in lightning_config: logger_cfg = lightning_config.logger else: logger_cfg = OmegaConf.create() logger_cfg = OmegaConf.merge(default_logger_cfg, logger_cfg) trainer_kwargs["logger"] = instantiate_from_config(logger_cfg) ckpt_resume_path = opt.resume_from_checkpoint # modelcheckpoint - use TrainResult/EvalResult(checkpoint_on=metric) to # specify which metric is used to determine best models default_modelckpt_cfg = { "target": "lightning.pytorch.callbacks.ModelCheckpoint", "params": { "dirpath": ckptdir, "filename": "{epoch:04}-{step:08}", # "epoch={epoch:06}-step={step:07}" "verbose": True, "save_last": True, "auto_insert_metric_name": True, }, } if hasattr(model, "monitor"): print0(f"[bold red]\[main][/bold red] Monitoring {model.monitor} as checkpoint metric.") default_modelckpt_cfg["params"]["monitor"] = model.monitor default_modelckpt_cfg["params"]["save_top_k"] = 3 if "modelcheckpoint" in lightning_config: modelckpt_cfg = lightning_config.modelcheckpoint else: modelckpt_cfg = OmegaConf.create() modelckpt_cfg = OmegaConf.merge(default_modelckpt_cfg, modelckpt_cfg) print0("-" * 80) print0(f"[bold red]\[main][/bold red] Merged modelckpt-cfg: {modelckpt_cfg}") # https://pytorch-lightning.readthedocs.io/en/stable/extensions/strategy.html # default to ddp if not further specified default_strategy_config = {"target": "lightning.pytorch.strategies.DDPStrategy"} if "strategy" in lightning_config: strategy_cfg = lightning_config.strategy else: strategy_cfg = OmegaConf.create() default_strategy_config["params"] = { "find_unused_parameters": False, # "static_graph": True, # "ddp_comm_hook": default.fp16_compress_hook # experiment with this, also for DDPSharded } strategy_cfg = OmegaConf.merge(default_strategy_config, strategy_cfg) print0("-" * 80) print0(f"[bold red]\[main][/bold red] strategy config: {strategy_cfg}") trainer_kwargs["strategy"] = instantiate_from_config(strategy_cfg) if hasattr(trainer_kwargs["strategy"], "_timeout"): trainer_kwargs["strategy"]._timeout = datetime.timedelta(seconds=5400) # 3600s = 1h # add callback which sets up log directory default_callbacks_cfg = { "setup_callback": { "target": "main.SetupCallback", "params": { "resume": opt.resume, "now": now, "logdir": logdir, "ckptdir": ckptdir, "cfgdir": cfgdir, "config": config, "lightning_config": lightning_config, "debug": opt.debug, "ckpt_name": melk_ckpt_name, "seed": opt.seed, "seed_rank": opt.seed_rank }, }, "image_logger": { "target": "main.ImageLogger", "params": {"batch_frequency": 1000, "max_samples": 4, "clamp": True}, }, "learning_rate_logger": { "target": "lightning.pytorch.callbacks.LearningRateMonitor", "params": { "logging_interval": "step", # "log_momentum": True }, }, } if version.parse(pl.__version__) >= version.parse("1.4.0"): default_callbacks_cfg.update({"checkpoint_callback": modelckpt_cfg}) if "callbacks" in lightning_config: callbacks_cfg = lightning_config.callbacks else: callbacks_cfg = OmegaConf.create() if "metrics_over_trainsteps_checkpoint" in callbacks_cfg: print0( "[bold red]\[main][/bold red] Caution: Saving checkpoints every n train steps without deleting. This might require some free space." ) default_metrics_over_trainsteps_ckpt_dict = { "metrics_over_trainsteps_checkpoint": { "target": "lightning.pytorch.callbacks.ModelCheckpoint", "params": { "dirpath": os.path.join(ckptdir, "trainstep_checkpoints"), "filename": "{epoch:04}-{step:08}", # "{epoch:06}-{step:09}" "verbose": True, "save_top_k": -1, "every_n_train_steps": 10000, "save_weights_only": True, }, } } default_callbacks_cfg.update(default_metrics_over_trainsteps_ckpt_dict) callbacks_cfg = OmegaConf.merge(default_callbacks_cfg, callbacks_cfg) if "ignore_keys_callback" in callbacks_cfg and ckpt_resume_path is not None: callbacks_cfg.ignore_keys_callback.params["ckpt_path"] = ckpt_resume_path elif "ignore_keys_callback" in callbacks_cfg: del callbacks_cfg["ignore_keys_callback"] trainer_kwargs["callbacks"] = [ instantiate_from_config(callbacks_cfg[k]) for k in callbacks_cfg ] if not "plugins" in trainer_kwargs: trainer_kwargs["plugins"] = list() # cmd line trainer args (which are in trainer_opt) have always priority over config-trainer-args (which are in trainer_kwargs) trainer_opt = vars(trainer_opt) trainer_kwargs = { key: val for key, val in trainer_kwargs.items() if key not in trainer_opt } trainer = Trainer(**trainer_opt, **trainer_kwargs) trainer.logdir = logdir # data if ((not opt.train) or opt.debug) and hasattr(config.data.params, "validation"): config.data.params.train = config.data.params.validation print0("[bold red]\[main][/bold red] Using validation data as training data for fast loading.") data = instantiate_from_config(config.data) # NOTE according to https://pytorch-lightning.readthedocs.io/en/latest/datamodules.html # calling these ourselves should not be necessary but it is. # lightning still takes care of proper multiprocessing though data.prepare_data() # data.setup() try: for k in data.datasets: print0( f"[bold red]\[main][/bold red] {k}, {data.datasets[k].__class__.__name__}, {len(data.datasets[k])}" ) except: print0("[bold red]\[main][/bold red] datasets not yet initialized.") # configure learning rate if "batch_size" in config.data.params: bs, base_lr = config.data.params.batch_size, config.model.base_learning_rate else: bs, base_lr = ( config.data.params.train.loader.batch_size, config.model.base_learning_rate, ) if not cpu: # add for different device input type if isinstance(lightning_config.trainer.devices, int): ngpu = lightning_config.trainer.devices elif isinstance(lightning_config.trainer.devices, list): ngpu = len(lightning_config.trainer.devices) elif isinstance(lightning_config.trainer.devices, str): ngpu = len(lightning_config.trainer.devices.strip(",").split(",")) else: ngpu = 1 if "accumulate_grad_batches" in lightning_config.trainer: accumulate_grad_batches = lightning_config.trainer.accumulate_grad_batches else: accumulate_grad_batches = 1 print0(f"[bold red]\[main][/bold red] accumulate_grad_batches = {accumulate_grad_batches}") lightning_config.trainer.accumulate_grad_batches = accumulate_grad_batches if opt.scale_lr: model.learning_rate = accumulate_grad_batches * ngpu * bs * base_lr print0( "[bold red]\[main][/bold red] Setting learning rate to {:.2e} = {} (accumulate_grad_batches) * {} (num_gpus) * {} (batchsize) * {:.2e} (base_lr)".format( model.learning_rate, accumulate_grad_batches, ngpu, bs, base_lr ) ) else: model.learning_rate = base_lr print0("[bold red]\[main][/bold red] NOT using learning rate scaling") print0(f"[bold red]\[main][/bold red] Setting learning rate to {model.learning_rate:.2e}") # allow checkpointing via USR1 def melk(*args, **kwargs): # run all checkpoint hooks if trainer.global_rank == 0: melkdir = os.path.join(logdir, "melk") os.makedirs(melkdir, exist_ok=True) print0(f"[bold red]\[main][/bold red] Saving checkpoint to {melkdir}") if melk_ckpt_name is None: ckpt_path = os.path.join(melkdir, "last.ckpt") else: ckpt_path = os.path.join(melkdir, melk_ckpt_name) trainer.save_checkpoint(ckpt_path) def divein(*args, **kwargs): if trainer.global_rank == 0: import pudb pudb.set_trace() import signal signal.signal(signal.SIGUSR1, melk) signal.signal(signal.SIGUSR2, divein) # run if opt.train: try: trainer.fit(model, data, ckpt_path=ckpt_resume_path) print0(f"[bold red]\[main][/bold red] Finish training with logdir: {logdir}") except Exception as e: print(f"") print(f"[bold red]\[main][/bold red] Exception: {e}") print(f"[bold red]\[main][/bold red] Beijing Time {datetime.datetime.now(tz=pytz.timezone('Asia/Shanghai'))}") if not opt.debug: melk() raise else: trainer.validate(model, data, ckpt_path=ckpt_resume_path) exit() if not opt.no_test and not trainer.interrupted: trainer.test(model, data) except RuntimeError as err: if MULTINODE_HACKS: import datetime import os import socket import requests device = os.environ.get("CUDA_VISIBLE_DEVICES", "?") hostname = socket.gethostname() ts = datetime.datetime.utcnow().strftime("%Y-%m-%d %H:%M:%S") resp = requests.get("http://169.254.169.254/latest/meta-data/instance-id") print( f"[bold red]\[main][/bold red] ERROR at {ts} on {hostname}/{resp.text} (CUDA_VISIBLE_DEVICES={device}): {type(err).__name__}: {err}", flush=True, ) raise err except Exception: if opt.debug and trainer.global_rank == 0: try: import pudb as debugger except ImportError: import pdb as debugger # debugger.post_mortem() raise finally: # move newly created debug project to debug_runs if opt.debug and not opt.resume and trainer.global_rank == 0: dst, name = os.path.split(logdir) dst = os.path.join(dst, "debug_runs", name) os.makedirs(os.path.split(dst)[0], exist_ok=True) os.rename(logdir, dst) if opt.wandb: wandb.finish() # clean up # dist.barrier() # torch.cuda.empty_cache() dist.destroy_process_group() if trainer.global_rank == 0 and opt.debug: print0(f"[bold red]\[main][/bold red] Current logdir: {logdir}") # print0(f"[bold red]\[main][/bold red] Profiler summary:") # print(trainer.profiler.summary()) print0(f"[bold red]\[main][/bold red] Memory summary:") num_params = sum([p.numel() for p in model.parameters()]) print0(f"[bold red]\[main][/bold red] Expected bf16 memory usage from params: {num_params * 2 / 1e9:.2f} GB") print0(f"[bold red]\[main][/bold red] Current memory usage with model on device {torch.cuda.max_memory_allocated() / 1e9:.2f} GB") # trainer.print(torch.cuda.memory_summary())