Release of PromptSRC with pretrained models.
This commit is contained in:
uzair khattak
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train.py
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241
train.py
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import argparse
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import torch
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from dassl.utils import setup_logger, set_random_seed, collect_env_info
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from dassl.config import get_cfg_default
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from dassl.engine import build_trainer
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# custom
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import datasets.oxford_pets
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import datasets.oxford_flowers
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import datasets.fgvc_aircraft
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import datasets.dtd
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import datasets.eurosat
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import datasets.stanford_cars
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import datasets.food101
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import datasets.sun397
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import datasets.caltech101
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import datasets.ucf101
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import datasets.imagenet
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import datasets.imagenet_sketch
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import datasets.imagenetv2
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import datasets.imagenet_a
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import datasets.imagenet_r
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import trainers.coop
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import trainers.cocoop
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import trainers.zsclip
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import trainers.maple
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import trainers.independentVL
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import trainers.promptsrc
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def print_args(args, cfg):
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print("***************")
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print("** Arguments **")
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print("***************")
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optkeys = list(args.__dict__.keys())
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optkeys.sort()
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for key in optkeys:
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print("{}: {}".format(key, args.__dict__[key]))
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print("************")
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print("** Config **")
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print("************")
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print(cfg)
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def reset_cfg(cfg, args):
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if args.root:
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cfg.DATASET.ROOT = args.root
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if args.output_dir:
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cfg.OUTPUT_DIR = args.output_dir
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if args.resume:
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cfg.RESUME = args.resume
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if args.seed:
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cfg.SEED = args.seed
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if args.source_domains:
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cfg.DATASET.SOURCE_DOMAINS = args.source_domains
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if args.target_domains:
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cfg.DATASET.TARGET_DOMAINS = args.target_domains
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if args.transforms:
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cfg.INPUT.TRANSFORMS = args.transforms
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if args.trainer:
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cfg.TRAINER.NAME = args.trainer
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if args.backbone:
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cfg.MODEL.BACKBONE.NAME = args.backbone
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if args.head:
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cfg.MODEL.HEAD.NAME = args.head
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def extend_cfg(cfg):
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"""
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Add new config variables.
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E.g.
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from yacs.config import CfgNode as CN
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cfg.TRAINER.MY_MODEL = CN()
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cfg.TRAINER.MY_MODEL.PARAM_A = 1.
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cfg.TRAINER.MY_MODEL.PARAM_B = 0.5
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cfg.TRAINER.MY_MODEL.PARAM_C = False
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"""
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from yacs.config import CfgNode as CN
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cfg.TRAINER.COOP = CN()
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cfg.TRAINER.COOP.N_CTX = 16 # number of context vectors
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cfg.TRAINER.COOP.CSC = False # class-specific context
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cfg.TRAINER.COOP.CTX_INIT = "" # initialization words
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cfg.TRAINER.COOP.PREC = "fp16" # fp16, fp32, amp
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cfg.TRAINER.COOP.CLASS_TOKEN_POSITION = "end" # 'middle' or 'end' or 'front'
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cfg.TRAINER.COCOOP = CN()
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cfg.TRAINER.COCOOP.N_CTX = 16 # number of context vectors
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cfg.TRAINER.COCOOP.CTX_INIT = "" # initialization words
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cfg.TRAINER.COCOOP.PREC = "fp16" # fp16, fp32, amp
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# Config for MaPLe
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cfg.TRAINER.MAPLE = CN()
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cfg.TRAINER.MAPLE.N_CTX = 2 # number of context vectors
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cfg.TRAINER.MAPLE.CTX_INIT = "a photo of a" # initialization words
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cfg.TRAINER.MAPLE.PREC = "fp16" # fp16, fp32, amp
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cfg.TRAINER.MAPLE.PROMPT_DEPTH = 9 # Max 12, minimum 0, for 1 it will act as shallow MaPLe (J=1)
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cfg.DATASET.SUBSAMPLE_CLASSES = "all" # all, base or new
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# Config for PromptSRC
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cfg.TRAINER.PROMPTSRC = CN()
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cfg.TRAINER.PROMPTSRC.N_CTX_VISION = 4 # number of context vectors at the vision branch
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cfg.TRAINER.PROMPTSRC.N_CTX_TEXT = 4 # number of context vectors at the language branch
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cfg.TRAINER.PROMPTSRC.CTX_INIT = "a photo of a" # initialization words
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cfg.TRAINER.PROMPTSRC.PREC = "fp16" # fp16, fp32, amp
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cfg.TRAINER.PROMPTSRC.PROMPT_DEPTH_VISION = 9 # Max 12, minimum 0, for 0 it will be using shallow IVLP prompting (J=1)
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cfg.TRAINER.PROMPTSRC.PROMPT_DEPTH_TEXT = 9 # Max 12, minimum 0, for 0 it will be using shallow IVLP prompting (J=1)
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cfg.TRAINER.PROMPTSRC.TEXT_LOSS_WEIGHT = 25
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cfg.TRAINER.PROMPTSRC.IMAGE_LOSS_WEIGHT = 10
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cfg.TRAINER.PROMPTSRC.GPA_MEAN = 15
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cfg.TRAINER.PROMPTSRC.GPA_STD = 1
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cfg.DATASET.SUBSAMPLE_CLASSES = "all" # all, base or new
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# Config for independent Vision Language prompting (independent-vlp)
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cfg.TRAINER.IVLP = CN()
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cfg.TRAINER.IVLP.N_CTX_VISION = 2 # number of context vectors at the vision branch
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cfg.TRAINER.IVLP.N_CTX_TEXT = 2 # number of context vectors at the language branch
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cfg.TRAINER.IVLP.CTX_INIT = "a photo of a" # initialization words (only for language prompts)
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cfg.TRAINER.IVLP.PREC = "fp16" # fp16, fp32, amp
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# If both variables below are set to 0, 0, will the config will degenerate to COOP model
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cfg.TRAINER.IVLP.PROMPT_DEPTH_VISION = 9 # Max 12, minimum 0, for 0 it will act as shallow IVLP prompting (J=1)
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cfg.TRAINER.IVLP.PROMPT_DEPTH_TEXT = 9 # Max 12, minimum 0, for 0 it will act as shallow IVLP prompting(J=1)
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cfg.DATASET.SUBSAMPLE_CLASSES = "all" # all, base or new
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def setup_cfg(args):
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cfg = get_cfg_default()
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extend_cfg(cfg)
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# 1. From the dataset config file
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if args.dataset_config_file:
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cfg.merge_from_file(args.dataset_config_file)
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# 2. From the method config file
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if args.config_file:
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cfg.merge_from_file(args.config_file)
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# 3. From input arguments
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reset_cfg(cfg, args)
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# 4. From optional input arguments
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cfg.merge_from_list(args.opts)
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cfg.freeze()
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return cfg
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def main(args):
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cfg = setup_cfg(args)
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if cfg.SEED >= 0:
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print("Setting fixed seed: {}".format(cfg.SEED))
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set_random_seed(cfg.SEED)
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setup_logger(cfg.OUTPUT_DIR)
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if torch.cuda.is_available() and cfg.USE_CUDA:
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torch.backends.cudnn.benchmark = True
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print_args(args, cfg)
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print("Collecting env info ...")
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print("** System info **\n{}\n".format(collect_env_info()))
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trainer = build_trainer(cfg)
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if args.eval_only:
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trainer.load_model(args.model_dir, epoch=args.load_epoch)
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trainer.test()
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return
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if not args.no_train:
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trainer.train()
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("--root", type=str, default="", help="path to dataset")
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parser.add_argument("--output-dir", type=str, default="", help="output directory")
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parser.add_argument(
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"--resume",
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type=str,
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default="",
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help="checkpoint directory (from which the training resumes)",
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)
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parser.add_argument(
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"--seed", type=int, default=-1, help="only positive value enables a fixed seed"
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)
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parser.add_argument(
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"--source-domains", type=str, nargs="+", help="source domains for DA/DG"
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)
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parser.add_argument(
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"--target-domains", type=str, nargs="+", help="target domains for DA/DG"
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)
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parser.add_argument(
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"--transforms", type=str, nargs="+", help="data augmentation methods"
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)
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parser.add_argument(
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"--config-file", type=str, default="", help="path to config file"
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)
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parser.add_argument(
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"--dataset-config-file",
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type=str,
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default="",
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help="path to config file for dataset setup",
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)
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parser.add_argument("--trainer", type=str, default="", help="name of trainer")
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parser.add_argument("--backbone", type=str, default="", help="name of CNN backbone")
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parser.add_argument("--head", type=str, default="", help="name of head")
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parser.add_argument("--eval-only", action="store_true", help="evaluation only")
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parser.add_argument(
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"--model-dir",
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type=str,
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default="",
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help="load model from this directory for eval-only mode",
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)
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parser.add_argument(
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"--load-epoch", type=int, help="load model weights at this epoch for evaluation"
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)
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parser.add_argument(
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"--no-train", action="store_true", help="do not call trainer.train()"
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)
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parser.add_argument(
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"opts",
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default=None,
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nargs=argparse.REMAINDER,
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help="modify config options using the command-line",
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)
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args = parser.parse_args()
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main(args)
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