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tune_vtab_CVK.py
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#!/usr/bin/env python3
"""
major actions here for training VTAB datasets: use val200 to find best lr/wd, and retrain on train800val200, report results on test
"""
import glob
import numpy as np
import os
import torch
import warnings
import random
from time import sleep
from random import randint
import src.utils.logging as logging
from src.configs.config import get_cfg
from src.data import loader as data_loader
from src.engine.evaluator import Evaluator
from src.engine.trainer import Trainer
from src.models.build_model import build_model
from src.utils.file_io import PathManager
from launch import default_argument_parser, logging_train_setup
warnings.filterwarnings("ignore")
DATA2CLS = {
'caltech101': 102,
'cifar(num_classes=100)': 100,
'dtd': 47,
'oxford_flowers102': 102,
'oxford_iiit_pet': 37,
'patch_camelyon': 2,
'sun397': 397,
'svhn': 10,
'resisc45': 45,
'eurosat': 10,
'dmlab': 6,
'kitti(task="closest_vehicle_distance")': 4,
'smallnorb(predicted_attribute="label_azimuth")': 18,
'smallnorb(predicted_attribute="label_elevation")': 9,
'dsprites(predicted_attribute="label_x_position",num_classes=16)': 16,
'dsprites(predicted_attribute="label_orientation",num_classes=16)': 16,
'clevr(task="closest_object_distance")': 6,
'clevr(task="count_all")': 8,
'diabetic_retinopathy(config="btgraham-300")': 5
}
def find_best_lrwd(files, data_name):
t_name = "val_" + data_name
best_lr = None
best_wd = None
best_val_acc = -1
for f in files:
try:
results_dict = torch.load(f, "cpu")
epoch = len(results_dict) - 1
val_result = results_dict[f"epoch_{epoch}"]["classification"][t_name]["top1"]
val_result = float(val_result)
except Exception as e:
print(f"Encounter issue: {e} for file {f}")
continue
if val_result == best_val_acc:
frag_txt = f.split("/run")[0]
cur_lr = float(frag_txt.split("/lr")[-1].split("_wd")[0])
cur_wd = float(frag_txt.split("_wd")[-1])
if best_lr is not None and cur_lr < best_lr:
# get the smallest lr to break tie for stability
best_lr = cur_lr
best_wd = cur_wd
best_val_acc = val_result
elif val_result > best_val_acc:
best_val_acc = val_result
frag_txt = f.split("/run")[0]
best_lr = float(frag_txt.split("/lr")[-1].split("_wd")[0])
best_wd = float(frag_txt.split("_wd")[-1])
return best_lr, best_wd
def setup(args, lr, wd, final_runs, run_idx=None, seed=None):
"""
Create configs and perform basic setups.
"""
cfg = get_cfg()
cfg.merge_from_file(args.config_file)
cfg.merge_from_list(args.opts)
cfg.SEED = seed
# create the clsemb_path for this dataset, only support vitb-sup experiments
if cfg.DATA.FEATURE == "sup_vitb16_imagenet21k":
cfg.MODEL.PROMPT.CLSEMB_PATH = os.path.join(
cfg.MODEL.PROMPT.CLSEMB_FOLDER, "{}.npy".format(cfg.DATA.NAME))
if 'P_VK' in cfg.MODEL.TRANSFER_TYPE:
P_NUM = cfg.MODEL.P_VK.NUM_TOKENS_P
VK_NUM = cfg.MODEL.P_VK.NUM_TOKENS
SHARED = cfg.MODEL.P_VK.SHARE_PARAM_KV
INIT = cfg.MODEL.P_VK.ORIGIN_INIT
SHARED_ACC = cfg.MODEL.P_VK.SHARED_ACCROSS
BS = cfg.DATA.BATCH_SIZE
LAYER_BEHIND = cfg.MODEL.P_VK.LAYER_BEHIND
if SHARED == True:
marker = 1
else:
marker = 0
if INIT == 0:
init = 0
elif INIT == 1:
init = 1
else:
init = 2
if SHARED_ACC == True:
shared_acc = 1
else:
shared_acc = 0
if LAYER_BEHIND == True:
layer_behind = 1
else:
layer_behind = 0
Data_Name_With_PVK = cfg.DATA.NAME + f"_P{P_NUM}_VK{VK_NUM}_SHARED_{marker}_INIT_{init}_ACC_{shared_acc}_BS{BS}_LB{layer_behind}_ORIGIN"
if not final_runs:
cfg.RUN_N_TIMES = 1
cfg.MODEL.SAVE_CKPT = False
cfg.OUTPUT_DIR = cfg.OUTPUT_DIR + "_val"
lr = lr / 256 * cfg.DATA.BATCH_SIZE # update lr based on the batchsize
cfg.SOLVER.BASE_LR = lr
cfg.SOLVER.WEIGHT_DECAY = wd
else:
cfg.RUN_N_TIMES = 5
cfg.MODEL.SAVE_CKPT = False
# find the best lr and best wd
if 'P_VK' in cfg.MODEL.TRANSFER_TYPE:
files = glob.glob(f"{cfg.OUTPUT_DIR}_val/{Data_Name_With_PVK}/{cfg.DATA.FEATURE}/*/run1/eval_results.pth")
lr, wd = find_best_lrwd(files, cfg.DATA.NAME)
print('!!!!!!!', lr)
print('@@@@@@', wd)
else:
files = glob.glob(f"{cfg.OUTPUT_DIR}_val/{cfg.DATA.NAME}/{cfg.DATA.FEATURE}/*/run1/eval_results.pth")
lr, wd = find_best_lrwd(files, cfg.DATA.NAME)
cfg.OUTPUT_DIR = cfg.OUTPUT_DIR + "_finalfinal"
cfg.SOLVER.BASE_LR = lr
cfg.SOLVER.WEIGHT_DECAY = wd
# setup output dir
# output_dir / data_name / feature_name / lr_wd / run1
output_dir = cfg.OUTPUT_DIR
output_folder = os.path.join(Data_Name_With_PVK, cfg.DATA.FEATURE, f"lr{lr}_wd{wd}")
# train cfg.RUN_N_TIMES times
if run_idx is None:
count = 1
while count <= cfg.RUN_N_TIMES:
output_path = os.path.join(output_dir, output_folder, f"run{count}")
# pause for a random time, so concurrent process with same setting won't interfere with each other. # noqa
sleep(randint(1, 5))
if not PathManager.exists(output_path):
PathManager.mkdirs(output_path)
cfg.OUTPUT_DIR = output_path
break
else:
count += 1
if count > cfg.RUN_N_TIMES:
raise ValueError(
f"Already run {cfg.RUN_N_TIMES} times for {output_folder}, no need to run more")
else:
output_path = os.path.join(output_dir, output_folder, f"run{run_idx}")
if not PathManager.exists(output_path):
PathManager.mkdirs(output_path)
cfg.OUTPUT_DIR = output_path
else:
raise ValueError(
f"Already run run-{run_idx} for {output_folder}, no need to run more")
cfg.freeze()
return cfg
def get_loaders(cfg, logger, final_runs=False):
# support two training paradims:
# 1) train / val / test, using val to tune
# 2) train / val: for imagenet
if not final_runs:
logger.info("Loading training data...")
train_loader = data_loader.construct_train_loader(cfg)
logger.info("Loading validation data...")
val_loader = data_loader.construct_val_loader(cfg)
# not really nessecary to check the results of test set.
test_loader = None
else:
logger.info("Loading training data...")
train_loader = data_loader.construct_trainval_loader(cfg)
# not really nessecary to check the results of val set, but the trainer class does not support no-validation loader yet # noqa
logger.info("Loading validation data...")
val_loader = data_loader.construct_val_loader(cfg)
logger.info("Loading test data...")
test_loader = data_loader.construct_test_loader(cfg)
return train_loader, val_loader, test_loader
def train(cfg, args, final_runs):
# clear up residual cache from previous runs
if torch.cuda.is_available():
torch.cuda.empty_cache()
# main training / eval actions here
# fix the seed for reproducibility
if cfg.SEED is not None:
torch.manual_seed(cfg.SEED)
np.random.seed(cfg.SEED)
random.seed(0)
# setup training env including loggers
logging_train_setup(args, cfg)
logger = logging.get_logger("visual_prompt")
train_loader, val_loader, test_loader = get_loaders(
cfg, logger, final_runs)
logger.info("Constructing models...")
model, cur_device = build_model(cfg)
logger.info("Setting up Evalutator...")
evaluator = Evaluator()
logger.info("Setting up Trainer...")
trainer = Trainer(cfg, model, evaluator, cur_device)
if train_loader:
trainer.train_classifier(train_loader, val_loader, test_loader)
torch.save(
evaluator.results,
os.path.join(cfg.OUTPUT_DIR, "eval_results.pth")
)
else:
print("No train loader presented. Exit")
def get_lrwd_range(args):
if args.train_type == "finetune":
lr_range = [0.001, 0.0001, 0.0005, 0.005]
wd_range = [0.01, 0.001, 0.0001, 0.0]
elif args.train_type == "finetune_resnet":
lr_range = [
0.0005, 0.00025,
0.5, 0.25, 0.05, 0.025, 0.005, 0.0025,
]
wd_range = [0.01, 0.001, 0.0001, 0.0]
elif args.train_type == "linear":
lr_range = [
50.0, 25., 10.0,
5.0, 2.5, 1.0,
0.5, 0.25, 0.1, 0.05
]
wd_range = [0.01, 0.001, 0.0001, 0.0]
elif args.train_type == "linear_mae":
lr_range = [
50.0, 25., 10.0,
5.0, 2.5, 1.0,
0.5, 0.25, 0.1, 0.05,
0.025, 0.005, 0.0025,
]
wd_range = [0.01, 0.001, 0.0001, 0.0]
elif args.train_type == "prompt":
lr_range = [
5.0, 2.5, 1.0,
50.0, 25., 10.0,
0.5, 0.25, 0.1, 0.05
]
wd_range = [0.01, 0.001, 0.0001, 0.0]
elif args.train_type == "prompt_largerlr":
lr_range = [
500, 1000, 250., 100.0,
]
wd_range = [0.01, 0.001, 0.0001, 0.0]
elif args.train_type == "prompt_resnet":
lr_range = [
0.05, 0.025, 0.01, 0.5, 0.25, 0.1,
1.0, 2.5, 5.
]
wd_range = [0.01, 0.001, 0.0001, 0.0]
elif args.train_type == "QKV" or args.train_type == "P_VK":
lr_range = [
5.0, 2.5, 1.0,
50.0, 25., 10.0,
0.5, 0.25, 0.1, 0.05
]
wd_range = [0.01, 0.001, 0.0001, 0.0]
elif args.train_type == "QKV_largerlr" or args.train_type == "P_KV_largerlr":
lr_range = [
500, 1000, 250., 100.0,
]
wd_range = [0.01, 0.001, 0.0001, 0.0]
# elif args.train_type == "prompt_resnet":
# lr_range = [
# 0.05, 0.025, 0.01, 0.5, 0.25, 0.1,
# 1.0, 2.5, 5.
# ]
# wd_range = [0.01, 0.001, 0.0001, 0.0]
return lr_range, wd_range
def main(args):
"""main function to call from workflow"""
# tuning lr and wd first:
lr_range, wd_range = get_lrwd_range(args)
for lr in sorted(lr_range, reverse=True):
for wd in sorted(wd_range, reverse=True):
try:
cfg = setup(args, lr, wd, final_runs=False)
except ValueError:
# already ran
continue
train(cfg, args, final_runs=False)
# final run 5 times with fixed seed
random_seeds = [42, 44, 82, 100, 800]
for run_idx, seed in enumerate(random_seeds):
try:
cfg = setup(
args, 0.1, 0.1, final_runs=True, run_idx=run_idx+1, seed=seed)
except ValueError:
# already ran
continue
train(cfg, args, final_runs=True)
if __name__ == '__main__':
args = default_argument_parser().parse_args()
main(args)