from inspect import getargs import logging import os import random from datetime import datetime import bisect import copy import numpy as np import torch import torch.backends.cudnn as cudnn from torch import optim from torch.cuda.amp import GradScaler import faulthandler import pathlib try: import wandb except ImportError: wandb = None try: import torch.utils.tensorboard as tensorboard except ImportError: tensorboard = None try: import horovod.torch as hvd except ImportError: hvd = None from open_clip import create_model_and_transforms, trace_model, create_model from training.data import get_data from training.distributed import is_master, init_distributed_device, world_info_from_env from training.logger import setup_logging from training.params import parse_args from training.scheduler import cosine_lr from training.train import train_one_epoch, evaluate from open_clip.utils import dataset_split, get_optimizer def maintain_ckpts(args, startidx, all_idx_len): for i in reversed(range(startidx, all_idx_len)): if os.path.exists(os.path.join(args.checkpoint_path, f"epoch_top_{i}.pt")): os.rename( os.path.join(args.checkpoint_path, f"epoch_top_{i}.pt"), os.path.join(args.checkpoint_path, f"epoch_top_{i+1}.pt"), ) if os.path.exists( os.path.join(args.checkpoint_path, f"epoch_top_{all_idx_len}.pt") ): os.remove(os.path.join(args.checkpoint_path, f"epoch_top_{all_idx_len}.pt")) return def update_top_k_performance( new_metrics_inputs, current_top_k_ckpt_metrics, args, ckpt, bignumbetter=True ): """ Record the top-k performance of the current epoch. current_top_k_metrics is a dictionary of the form: {1: top_1_ckpt_measure, 2: top_2_ckpt_measure, ...} """ if isinstance(new_metrics_inputs, (list, tuple)): new_metrics_inputs = np.mean(new_metrics_inputs) return update_top_k_performance( new_metrics_inputs, current_top_k_ckpt_metrics, args=args, ckpt=ckpt, bignumbetter=bignumbetter, ) elif isinstance(new_metrics_inputs, dict): new_metrics_inputs = np.mean(list(new_metrics_inputs.values())) return update_top_k_performance( new_metrics_inputs, current_top_k_ckpt_metrics, args=args, ckpt=ckpt, bignumbetter=bignumbetter, ) elif isinstance(new_metrics_inputs, (float, int)): update_flag = {k: False for k in current_top_k_ckpt_metrics.keys()} sorted_keys = sorted(current_top_k_ckpt_metrics.keys()) sorted_values = sorted( current_top_k_ckpt_metrics.values(), reverse=bignumbetter ) sorted_values_ = copy.deepcopy(sorted_values) sorted_values.append(new_metrics_inputs) sorted_values = sorted(sorted_values, reverse=bignumbetter) sorted_values = sorted_values[:-1] if sorted_values == sorted_values_: return current_top_k_ckpt_metrics, new_metrics_inputs else: for i in range(len(sorted_keys)): if current_top_k_ckpt_metrics[sorted_keys[i]] != sorted_values[i]: current_top_k_ckpt_metrics[sorted_keys[i]] = sorted_values[i] update_flag[sorted_keys[i]] = True for i in range(len(update_flag)): if update_flag[i]: maintain_ckpts(args, i, len(sorted_keys)) torch.save( ckpt, os.path.join(args.checkpoint_path, f"epoch_top_{i}.pt"), ) break return current_top_k_ckpt_metrics, new_metrics_inputs # def updateifNone(a, b): # a = b if None else a # return a def is_pretrained_params(n): return ( n.startswith("transformer") or n in ["positional_embedding", "text_projection"] or n.startswith("token_embedding") or n.startswith("ln_final") or n.startswith("logit_scale_t") ) def random_seed(seed=42, rank=0): torch.manual_seed(seed + rank) np.random.seed(seed + rank) random.seed(seed + rank) def main(): args = parse_args() # sanitize model name for filesystem / uri use, easier if we don't use / in name as a rule? args.amodel = args.amodel.replace("/", "-") # download sizes.json file # (yusong): the below two lines are for debug # print("setting up faulthandler") # faulthandler.register(10) random.seed(args.seed) torch.manual_seed(args.seed) torch.cuda.manual_seed(args.seed) torch.cuda.manual_seed_all(args.seed) np.random.seed(args.seed) if args.tmodel == "bert" or args.tmodel == "roberta" or args.tmodel == "bart": assert ( args.pretrained == "" or args.pretrained is None ), "bert/roberta/bart text encoder does not support pretrained models." # get the name of the experiments if args.name is None: args.name = "-".join( [ datetime.now().strftime("%Y_%m_%d-%H_%M_%S"), f"model_{args.amodel}", f"lr_{args.lr}", f"b_{args.batch_size}", f"j_{args.workers}", f"p_{args.precision}", ] ) # discover initial world args early so we can log properly args.distributed = False args.local_rank, args.rank, args.world_size = world_info_from_env() if args.remotedata and is_master(args): for dataset_name in args.datasetnames: for split in dataset_split[dataset_name]: if not os.path.exists(f"./json_files/{dataset_name}/{split}"): os.makedirs(f"./json_files/{dataset_name}/{split}") os.system( f"aws s3 cp s3://s-laion-audio/webdataset_tar/{dataset_name}/{split}/sizes.json ./json_files/{dataset_name}/{split}/sizes.json" ) args.log_path = None if is_master(args, local=args.log_local): log_base_path = os.path.join(args.logs, args.name) os.makedirs(log_base_path, exist_ok=True) log_filename = f"out-{args.rank}" if args.log_local else "out.log" args.log_path = os.path.join(log_base_path, log_filename) if os.path.exists(args.log_path): print( "Error. Experiment already exists. Use --name {} to specify a new experiment." ) return -1 # Set logger args.log_level = logging.DEBUG if args.debug else logging.INFO setup_logging(args.log_path, args.log_level) # fully initialize distributed device environment device = init_distributed_device(args) args.wandb = "wandb" in args.report_to or "all" in args.report_to args.tensorboard = "tensorboard" in args.report_to or "all" in args.report_to if is_master(args): args.tensorboard_path = ( os.path.join(args.logs, args.name, "tensorboard") if args.tensorboard else "" ) args.checkpoint_path = os.path.join(args.logs, args.name, "checkpoints") for dirname in [args.tensorboard_path, args.checkpoint_path]: if dirname: os.makedirs(dirname, exist_ok=True) else: args.tensorboard_path = "" args.checkpoint_path = "" if args.copy_codebase: copy_codebase(args) assert args.precision in ["amp", "fp16", "fp32"] if args.precision == "fp16": logging.warning( "It is recommended to use AMP mixed-precision instead of FP16. " "FP16 support needs further verification and tuning, especially for train." ) if args.horovod: logging.info( f"Running in horovod mode with multiple processes / nodes. Device: {args.device}." f"Process (global: {args.rank}, local {args.local_rank}), total {args.world_size}." ) elif args.distributed: logging.info( f"Running in distributed mode with multiple processes. Device: {args.device}." f"Process (global: {args.rank}, local {args.local_rank}), total {args.world_size}." ) else: logging.info(f"Running with a single process. Device {args.device}.") logging.info(f"openai cache dir: {os.path.expanduser(args.openai_model_cache_dir)}") model, model_cfg = create_model( args.amodel, args.tmodel, args.pretrained, precision=args.precision, device=device, jit=args.torchscript, force_quick_gelu=args.force_quick_gelu, openai_model_cache_dir=os.path.expanduser(args.openai_model_cache_dir), skip_params=True, pretrained_audio=args.pretrained_audio, pretrained_text=args.pretrained_text, enable_fusion=args.enable_fusion, fusion_type=args.fusion_type, ) if args.horovod: with torch.no_grad(): for param in model.parameters(): param.set_(param.contiguous()) if args.trace: model = trace_model(model, batch_size=args.batch_size, device=device) if is_master(args): logging.info("Model:") logging.info(f"{str(model)}") logging.info("Params:") params_file = os.path.join(args.logs, args.name, "params.txt") with open(params_file, "w") as f: for name in sorted(vars(args)): val = getattr(args, name) logging.info(f" {name}: {val}") f.write(f"{name}: {val}\n") if args.distributed and not args.horovod: if args.use_bn_sync: model = torch.nn.SyncBatchNorm.convert_sync_batchnorm(model) ddp_args = {} if args.ddp_static_graph: # this doesn't exist in older PyTorch, arg only added if enabled ddp_args["static_graph"] = True model = torch.nn.parallel.DistributedDataParallel( model, device_ids=[device], find_unused_parameters=True, **ddp_args ) data = get_data(args, model_cfg) assert len(data), "At least one train or eval dataset must be specified." if args.trace: assert "train" not in data, "Cannot train with traced model" exclude = ( lambda n, p: p.ndim < 2 or "bn" in n or "ln" in n or "bias" in n or "logit_scale" in n ) include = lambda n, p: not exclude(n, p) named_parameters = list(model.named_parameters()) # freeze text encoder text_freeze_parameters = [p for n, p in named_parameters if "text_branch" in n] if args.freeze_text: print("Freeze Text!!!!") for k in text_freeze_parameters: k.requires_grad = False gain_or_bias_params = [ p for n, p in named_parameters if exclude(n, p) and p.requires_grad ] rest_params = [p for n, p in named_parameters if include(n, p) and p.requires_grad] # set wd-related params to 0 if use adam optimizer if args.optimizer == "adam": args.wd = 0 args.wd_pretrained = 0 args.wd_new = 0 if args.train_data is None: optimizer = None scheduler = None else: total_steps = data["train"].dataloader.num_batches * args.epochs if args.split_opt: for x in ["lr", "beta1", "beta2", "eps", "wd"]: for y in ["_new", "_pretrained"]: if getattr(args, x + y) is None: setattr(args, x + y, getattr(args, x)) gain_or_bias_pretrained_params = [ p for n, p in named_parameters if (exclude(n, p) and p.requires_grad) and is_pretrained_params(n) ] rest_pretrained_params = [ p for n, p in named_parameters if (include(n, p) and p.requires_grad) and is_pretrained_params(n) ] gain_or_bias_new_params = [ p for n, p in named_parameters if (exclude(n, p) and p.requires_grad) and (not is_pretrained_params(n)) ] rest_new_params = [ p for n, p in named_parameters if (include(n, p) and p.requires_grad) and (not is_pretrained_params(n)) ] pretrained_params_optimizer = get_optimizer( [ {"params": gain_or_bias_pretrained_params, "weight_decay": 0.0}, { "params": rest_pretrained_params, "weight_decay": args.wd_pretrained, }, ], lr=args.lr_pretrained, betas=(args.beta1_pretrained, args.beta2_pretrained), eps=args.eps_pretrained, momentum=args.momentum_pretrained, optimizer_name=args.optimizer, ) pretrained_params_scheduler = cosine_lr( pretrained_params_optimizer, args.lr_pretrained, args.warmup, total_steps, ) new_params_optimizer = get_optimizer( [ {"params": gain_or_bias_new_params, "weight_decay": 0.0}, {"params": rest_new_params, "weight_decay": args.wd_new}, ], lr=args.lr_new, betas=(args.beta1_new, args.beta2_new), eps=args.eps_new, momentum=args.momentum_new, optimizer_name=args.optimizer, ) new_params_scheduler = cosine_lr( new_params_optimizer, args.lr_new, args.warmup, total_steps ) optimizer = { "pretrained": pretrained_params_optimizer, "new": new_params_optimizer, } scheduler = { "pretrained": pretrained_params_scheduler, "new": new_params_scheduler, } if args.horovod: pretrained_params_optimizer = hvd.DistributedOptimizer( pretrained_params_optimizer, named_parameters=model.named_parameters(), ) new_params_optimizer = hvd.DistributedOptimizer( new_params_optimizer, named_parameters=model.named_parameters() ) hvd.broadcast_parameters(model.state_dict(), root_rank=0) hvd.broadcast_optimizer_state(pretrained_params_optimizer, root_rank=0) hvd.broadcast_optimizer_state(new_params_optimizer, root_rank=0) else: optimizer = get_optimizer( [ {"params": gain_or_bias_params, "weight_decay": 0.0}, {"params": rest_params, "weight_decay": args.wd}, ], lr=args.lr, betas=(args.beta1, args.beta2), eps=args.eps, momentum=args.momentum, optimizer_name=args.optimizer, ) scheduler = cosine_lr(optimizer, args.lr, args.warmup, total_steps) if args.horovod: optimizer = hvd.DistributedOptimizer( optimizer, named_parameters=model.named_parameters() ) hvd.broadcast_parameters(model.state_dict(), root_rank=0) hvd.broadcast_optimizer_state(optimizer, root_rank=0) scaler = GradScaler() if args.precision == "amp" else None # optionally resume from a checkpoint start_epoch = 0 if args.resume is not None: if os.path.isfile(args.resume): checkpoint = torch.load(args.resume, map_location=device) if "epoch" in checkpoint: # resuming a train checkpoint w/ epoch and optimizer state start_epoch = checkpoint["epoch"] sd = checkpoint["state_dict"] if not args.distributed and next(iter(sd.items()))[0].startswith( "module" ): sd = {k[len("module.") :]: v for k, v in sd.items()} model.load_state_dict(sd) if args.split_opt: if optimizer is not None: for k, o_ in optimizer.items(): o_.load_state_dict(checkpoint[k + "_" + "optimizer"]) if optimizer is not None: optimizer.load_state_dict(checkpoint["optimizer"]) if scaler is not None and "scaler" in checkpoint: scaler.load_state_dict(checkpoint["scaler"]) logging.info( f"=> resuming checkpoint '{args.resume}' (epoch {start_epoch})" ) else: # loading a bare (model only) checkpoint for fine-tune or evaluation model.load_state_dict(checkpoint) logging.info( f"=> loaded checkpoint '{args.resume}' (epoch {start_epoch})" ) if args.freeze_text: print("Freeze Text!!!!") for k in text_freeze_parameters: k.requires_grad = False else: logging.info("=> no checkpoint found at '{}'".format(args.resume)) cudnn.benchmark = True cudnn.deterministic = False # determine if this worker should save logs and checkpoints. only do so if it is rank == 0 args.save_logs = args.logs and args.logs.lower() != "none" and is_master(args) writer = None if args.save_logs and args.tensorboard: assert tensorboard is not None, "Please install tensorboard." writer = tensorboard.SummaryWriter(args.tensorboard_path) if args.wandb and is_master(args): assert wandb is not None, "Please install wandb." logging.debug("Starting wandb.") args.train_sz = data["train"].dataloader.num_samples if args.val_data is not None: args.val_sz = data["val"].dataloader.num_samples # you will have to configure this for your project! wandb.init( project="clap", notes=args.wandb_notes, name=args.wandb_notes, tags=[], config=vars(args), ) if args.debug: wandb.watch(model, log="all") wandb.save(params_file) logging.debug("Finished loading wandb.") if "train" not in data: evaluate(model, data, start_epoch, args, writer) return elif start_epoch == 0 and "val" in data and not args.no_eval: evaluate(model, data, 0, args, writer) # print(f'rank {args.rank}, Start First Evaluation')# (yusong): for debug if args.save_top_performance: current_top_k_ckpt_metrics = { i: 0 for i in range(args.save_top_performance) } # initialize the top-k metric for ckpts to 0 # print(f'rank {args.rank}, Start Training') # (yusong): for debug for epoch in range(start_epoch, args.epochs): # freeze the text param after (include) args.freeze_text_after, this is -1 by default if epoch == args.freeze_text_after: print("Text pretrained parameters are freezed since this epoch.") for k in text_freeze_parameters: k.requires_grad = False if is_master(args): logging.info(f"Start epoch {epoch}") train_one_epoch(model, data, epoch, optimizer, scaler, scheduler, args, writer) completed_epoch = epoch + 1 if ( any(v in data for v in ("val", "imagenet-val", "imagenet-v2")) and not args.no_eval ): metrics = evaluate(model, data, completed_epoch, args, writer) if args.save_top_performance: top_k_dataset = args.top_k_checkpoint_select_dataset top_k_metric = args.top_k_checkpoint_select_metric filtered_metrics = [ v for k, v in metrics.items() if top_k_metric in k and top_k_dataset in k ] # check all R@10 metrics (all dataset) and use it to update the ckpt # Saving checkpoints. if args.save_logs: if args.split_opt: opt_dict = { k + "_" + "optimizer": v.state_dict() for k, v in optimizer.items() } else: opt_dict = {"optimizer": optimizer.state_dict()} checkpoint_dict = { "epoch": completed_epoch, "name": args.name, "state_dict": model.state_dict(), } checkpoint_dict.update(opt_dict) if scaler is not None: checkpoint_dict["scaler"] = scaler.state_dict() if completed_epoch == args.epochs or ( args.save_frequency > 0 and (completed_epoch % args.save_frequency) == 0 ): torch.save( checkpoint_dict, os.path.join(args.checkpoint_path, f"epoch_{completed_epoch}.pt"), ) if args.save_most_recent: torch.save( checkpoint_dict, os.path.join(args.checkpoint_path, f"epoch_latest.pt"), ) if args.save_top_performance and not args.no_eval: update_top_k_performance( filtered_metrics, current_top_k_ckpt_metrics, args, checkpoint_dict, bignumbetter=True, ) if args.wandb and is_master(args): wandb.finish() def copy_codebase(args): from shutil import copytree, ignore_patterns new_code_path = os.path.join(args.logs, args.name, "code") if os.path.exists(new_code_path): print( f"Error. Experiment already exists at {new_code_path}. Use --name to specify a new experiment." ) return -1 print(f"Copying codebase to {new_code_path}") current_code_path = os.path.realpath(__file__) for _ in range(3): current_code_path = os.path.dirname(current_code_path) copytree( current_code_path, new_code_path, ignore=ignore_patterns("log", "logs", "wandb") ) print("Done copying code.") return 1 if __name__ == "__main__": main()