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train.py
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train.py
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import argparse
import os
import logging
# import ruamel.yaml as yaml
import yaml
import numpy as np
import random
import time
import datetime
import json
import math
from pathlib import Path
from functools import partial
from sklearn.metrics import roc_auc_score
from collections import OrderedDict
import torch
import torch.nn as nn
import torch.nn.functional as F
import torch.backends.cudnn as cudnn
import torch.distributed as dist
from torch.utils.data import DataLoader
from tensorboardX import SummaryWriter
from transformers import AutoModel,BertConfig,AutoTokenizer
from factory import utils
from scheduler import create_scheduler
from optim import create_optimizer
from engine.train import train,valid_on_cheXpert,valid_on_chestxray14
from models.clip_tqn import CLP_clinical,ModelRes,TQN_Model,TQN_Model_Add,ModelDense,CLP_clinical2
from models.tokenization_bert import BertTokenizer
from dataset.dataset_entity import MIMIC_Dataset,Mergetrain_Dataset, Chestxray14_Dataset,CheXpert_Dataset
import socket
from io import BytesIO
def main(args, config):
torch.cuda.current_device()
torch.cuda._initialized = True
print("Total CUDA devices: ", torch.cuda.device_count())
torch.set_default_tensor_type('torch.FloatTensor')
utils.init_distributed_mode(args)
device = torch.device(args.device)
# fix the seed for reproducibility
seed = args.seed + utils.get_rank()
torch.manual_seed(seed)
np.random.seed(seed)
random.seed(seed)
cudnn.benchmark = True
start_epoch = 0
max_epoch = config['schedular']['epochs']
warmup_steps = config['schedular']['warmup_epochs']
num_tasks = utils.get_world_size()
global_rank = utils.get_rank()
sampler_rank = global_rank
print('sampler_rank',sampler_rank,'num_tasks',num_tasks)
#### Dataset ####
print("Creating dataset")
if args.add_dataset == True:
train_dataset = Mergetrain_Dataset(config['train_entity_file'], config['train_fg_query_file_v1'], config['mrsty_file'],config['image_res'], args)
else:
train_dataset = MIMIC_Dataset(config['train_entity_file'], config['train_fg_query_file_v1'], config['mrsty_file'],config['image_res'], args)
train_sampler = torch.utils.data.distributed.DistributedSampler(train_dataset,num_replicas=num_tasks, rank=sampler_rank, shuffle=True)
train_dataloader = DataLoader(
train_dataset,
batch_size=config['batch_size'],
num_workers=8,
pin_memory=True,
sampler=train_sampler,
collate_fn=None,
worker_init_fn=utils.seed_worker,
drop_last=True,
)
train_dataloader.num_samples = len(train_dataset)
train_dataloader.num_batches = len(train_dataloader)
val_dataset = Chestxray14_Dataset(config['chestxray_valid_file'],config['image_res'])
val_sampler = torch.utils.data.distributed.DistributedSampler(val_dataset,num_replicas=num_tasks, rank=sampler_rank, shuffle=True)
val_dataloader =DataLoader(
val_dataset,
batch_size=config['batch_size'],
num_workers=8,
pin_memory=True,
sampler=val_sampler,
collate_fn=None,
worker_init_fn=utils.seed_worker,
drop_last=True,
)
val_dataloader.num_samples = len(val_dataset)
val_dataloader.num_batches = len(val_dataloader)
test_dataset = Chestxray14_Dataset(config['chestxray_test_file'],config['image_res'])
test_sampler = torch.utils.data.distributed.DistributedSampler(test_dataset,num_replicas=num_tasks, rank=sampler_rank, shuffle=True)
test_dataloader =DataLoader(
test_dataset,
batch_size=config['batch_size'],
num_workers=8,
pin_memory=True,
sampler=test_sampler,
collate_fn=None,
worker_init_fn=utils.seed_worker,
drop_last=True,
)
test_dataloader.num_samples = len(test_dataset)
test_dataloader.num_batches = len(test_dataloader)
test_dataset_chexpert = CheXpert_Dataset(config['chexpert_valid_file'],config['image_res'])
test_sampler_chexpert = torch.utils.data.distributed.DistributedSampler(test_dataset_chexpert,num_replicas=num_tasks, rank=sampler_rank, shuffle=True)
test_dataloader_chexpert =DataLoader(
test_dataset_chexpert,
batch_size=config['batch_size'],
num_workers=4,
pin_memory=True,
sampler=test_sampler_chexpert,
collate_fn=None,
worker_init_fn=utils.seed_worker,
drop_last=True,
)
test_dataloader_chexpert.num_samples = len(test_dataset_chexpert)
test_dataloader_chexpert.num_batches = len(test_dataloader_chexpert)
if args.image_encoder_name == 'resnet':
image_encoder = ModelRes(res_base_model='resnet50').cuda()
elif args.image_encoder_name == 'dense':
image_encoder = ModelDense(dense_base_model = 'densenet121').cuda()
if args.bert_model_name == 'emilyalsentzer/Bio_ClinicalBERT':
tokenizer = BertTokenizer.from_pretrained(args.bert_model_name)
text_encoder = CLP_clinical2(bert_model_name=args.bert_model_name).cuda()
else:
tokenizer = AutoTokenizer.from_pretrained(args.bert_model_name,do_lower_case=True, local_files_only=True)
text_encoder = CLP_clinical(bert_model_name=args.bert_model_name).cuda()
if args.bert_pretrained:
checkpoint = torch.load(args.bert_pretrained, map_location='cpu')
state_dict = checkpoint["state_dict"]
text_encoder.load_state_dict(state_dict)
print('Load pretrained bert success from: ',args.bert_pretrained)
if args.freeze_bert:
for param in text_encoder.parameters():
param.requires_grad = False
if args.add_dataset:
if 'lam' in config:
model = TQN_Model_Add(class_num = args.class_num, gate_num = args.gate_num, high_dim = args.high_dim, lam = config['lam']).cuda()
else:
model = TQN_Model_Add(class_num = args.class_num, gate_num = args.gate_num, high_dim = args.high_dim).cuda()
else:
if 'lam' in config:
model = TQN_Model(class_num = args.class_num, lam = config['lam']).cuda()
else:
model = TQN_Model(class_num = args.class_num).cuda()
model = torch.nn.parallel.DistributedDataParallel(model, device_ids = [args.gpu], find_unused_parameters=True, broadcast_buffers=False)
model_without_ddp = model.module
if args.finetune:
image_encoder_without_ddp = image_encoder
else:
image_encoder = torch.nn.parallel.DistributedDataParallel(image_encoder, device_ids = [args.gpu], find_unused_parameters=True, broadcast_buffers=False)
image_encoder_without_ddp = image_encoder.module
text_encoder_without_ddp = text_encoder
arg_opt = utils.AttrDict(config['optimizer'])
optimizer = create_optimizer(arg_opt, model_without_ddp,image_encoder_without_ddp,text_encoder_without_ddp)
arg_sche = utils.AttrDict(config['schedular'])
lr_scheduler, _ = create_scheduler(arg_sche, optimizer)
if args.checkpoint:
checkpoint = torch.load(args.checkpoint, map_location='cpu')
image_state_dict = checkpoint['image_encoder']
new_image_state_dict = OrderedDict()
for k, v in image_state_dict.items():
name = 'module.'+ k
new_image_state_dict[name] = v
image_encoder.load_state_dict(new_image_state_dict)
text_state_dict = checkpoint['text_encoder']
text_encoder.load_state_dict(text_state_dict)
state_dict = checkpoint['model']
new_state_dict = OrderedDict()
for k, v in state_dict.items():
name = 'module.'+ k
new_state_dict[name] = v
model.load_state_dict(new_state_dict)
optimizer.load_state_dict(checkpoint['optimizer'])
lr_scheduler.load_state_dict(checkpoint['lr_scheduler'])
start_epoch = checkpoint['epoch']+1
print('load checkpoint from %s'%args.checkpoint)
if args.finetune:
checkpoint = torch.load(args.finetune, map_location='cpu')
image_state_dict = checkpoint['image_encoder']
image_encoder.load_state_dict(image_state_dict)
state_dict = checkpoint['model']
new_state_dict = OrderedDict()
for k, v in state_dict.items():
name = 'module.'+ k
new_state_dict[name] = v
model.load_state_dict(new_state_dict, strict = False)
for param in image_encoder.parameters():
param.requires_grad = False
print('load fine-tune checkpoint from %s'%args.finetune)
print("Start training")
start_time = time.time()
writer = SummaryWriter(os.path.join(args.output_dir, 'log'))
best_val_auc = 0.0
for epoch in range(start_epoch, max_epoch):
if epoch>0:
lr_scheduler.step(epoch+warmup_steps)
train_dataloader.sampler.set_epoch(epoch)
train_stats = train(model, image_encoder, text_encoder, tokenizer, train_dataloader, optimizer, epoch, warmup_steps, device, lr_scheduler, args,config,writer)
for k, v in train_stats.items():
if k == 'loss':
train_loss_epoch = v
elif k == 'loss_ce':
train_loss_ce_epoch = v
elif k == 'loss_clip':
train_loss_clip_epoch = v
writer.add_scalar('loss/train_loss_epoch', float(train_loss_epoch), epoch)
writer.add_scalar('loss/train_loss_ce_epoch', float(train_loss_ce_epoch), epoch)
writer.add_scalar('loss/train_loss_clip_epoch', float(train_loss_clip_epoch), epoch)
writer.add_scalar('lr/leaning_rate', lr_scheduler._get_lr(epoch)[0] , epoch)
val_dataloader.sampler.set_epoch(epoch)
val_loss,val_auc,val_metrics = valid_on_chestxray14(model, image_encoder, text_encoder, tokenizer, val_dataloader,epoch,device,args,config,writer)
writer.add_scalar('loss/val_loss_epoch', val_loss, epoch)
writer.add_scalar('loss/val_auc_epoch', val_auc, epoch)
if best_val_auc < val_auc and dist.get_rank() == 0:
with open(os.path.join(args.output_dir, "log.txt"),"a") as f:
f.write("Save best valid model.\n")
best_val_auc = val_auc
if args.finetune:
save_obj = {
'model': model.module.state_dict(),
'image_encoder': image_encoder.state_dict(),
'text_encoder':text_encoder.state_dict(),
'optimizer': optimizer.state_dict(),
'lr_scheduler': lr_scheduler.state_dict(),
'config': config,
'epoch': epoch,
}
else:
save_obj = {
'model': model.module.state_dict(),
'image_encoder': image_encoder.module.state_dict(),
'text_encoder':text_encoder.state_dict(),
'optimizer': optimizer.state_dict(),
'lr_scheduler': lr_scheduler.state_dict(),
'config': config,
'epoch': epoch,
}
torch.save(save_obj, os.path.join(args.aws_output_dir, f"best_valid.pt"))
test_dataloader.sampler.set_epoch(epoch)
test_loss, test_auc, test_metrics = valid_on_chestxray14(model, image_encoder, text_encoder, tokenizer, test_dataloader,epoch,device,args,config,writer)
writer.add_scalar('loss/test_loss_epoch', test_loss, epoch)
writer.add_scalar('loss/test_auc_epoch', test_auc, epoch)
log_stats = {**{f'train_{k}': v for k, v in train_stats.items()},
'epoch': epoch, 'val_loss': val_loss.item(),
**{f'val_{k}': v for k, v in val_metrics.items()},
'test_loss': test_loss.item(),
**{f'test_{k}': v for k, v in test_metrics.items()},
}
with open(os.path.join(args.output_dir, "log.txt"),"a") as f:
f.write(json.dumps(log_stats) + "\n")
else:
log_stats = {**{f'train_{k}': v for k, v in train_stats.items()},
'epoch': epoch, 'val_loss': val_loss.item(),
**{f'val_{k}': v for k, v in val_metrics.items()},
}
with open(os.path.join(args.output_dir, "log.txt"),"a") as f:
f.write(json.dumps(log_stats) + "\n")
if utils.is_main_process():
if args.finetune:
save_obj = {
'model': model.module.state_dict(),
'image_encoder': image_encoder.state_dict(),
'text_encoder':text_encoder.state_dict(),
'optimizer': optimizer.state_dict(),
'lr_scheduler': lr_scheduler.state_dict(),
'config': config,
'epoch': epoch,
}
else:
save_obj = {
'model': model.module.state_dict(),
'image_encoder': image_encoder.module.state_dict(),
'text_encoder':text_encoder.state_dict(),
'optimizer': optimizer.state_dict(),
'lr_scheduler': lr_scheduler.state_dict(),
'config': config,
'epoch': epoch,
}
torch.save(save_obj, os.path.join(args.aws_output_dir, 'checkpoint_'+str(epoch)+'.pt'))
total_time = time.time() - start_time
total_time_str = str(datetime.timedelta(seconds=int(total_time)))
print('Training time {}'.format(total_time_str))
if __name__ == '__main__':
os.environ['OMP_NUM_THREADS'] = '1'
parser = argparse.ArgumentParser()
parser.add_argument('--momentum', default=False, type=bool)
parser.add_argument('--checkpoint', default='')
parser.add_argument('--freeze_bert', default=True, type=bool)
parser.add_argument("--use_entity_features", default=True, type=bool)
parser.add_argument('--dist_backend', default='nccl')
# Config
parser.add_argument('--config', default='./config/config.yaml')
# Data Augmentation
parser.add_argument('--fourier', default=True, type=bool)
parser.add_argument('--colourjitter', default=True, type=bool)
# ASL loss & DQN output_dim
parser.add_argument('--bce', default=False, type=bool)
parser.add_argument('--asl', default=True, type=bool)
parser.add_argument('--class_num', default=1, type=int)
# Port
parser.add_argument('--port', default=80, type=int)
# Dataset Enhance
parser.add_argument('--ignore_index', default=True, type=bool)
parser.add_argument('--add_dataset', default=True, type=bool)
parser.add_argument('--gate_num', default=3, type=int)
parser.add_argument('--high_dim', default=32, type=int)
parser.add_argument('--main_ratio', default=1)
parser.add_argument('--bias_ratio', default=0)
parser.add_argument('--moe_ratio', default=1)
parser.add_argument('--loss_ratio', default=1, type=int)
# Divide Stage
parser.add_argument('--finetune', default='')
# Path
parser.add_argument('--output_dir', default='')
parser.add_argument('--aws_output_dir', default='')
parser.add_argument('--image_encoder_name', default='resnet')
parser.add_argument('--bert_pretrained', default='./bert_pretrained/epoch_latest.pt')
parser.add_argument('--bert_model_name', default='GanjinZero/UMLSBert_ENG')
parser.add_argument('--max_length', default=256, type=int)
parser.add_argument('--device', default='cuda')
parser.add_argument('--seed', default=42, type=int)
# distributed training parameters
parser.add_argument('--world_size', default=2, type=int,
help='number of distributed processes')
parser.add_argument('--distributed', default=True)
parser.add_argument('--local_rank', default=-1, type=int)
parser.add_argument('--dist_on_itp', action='store_true')
parser.add_argument('--dist_url', default='env://', help='url used to set up distributed training')
parser.add_argument('--gpu', default='0', type=str, help='gpu')
args = parser.parse_args()
os.environ['MASTER_PORT'] = f'{args.port}'
config = yaml.load(open(args.config, 'r'), Loader=yaml.Loader)
Path(args.output_dir).mkdir(parents=True, exist_ok=True)
Path(args.aws_output_dir).mkdir(parents=True, exist_ok=True)
yaml.dump(config, open(os.path.join(args.output_dir, 'config.yaml'), 'w'))
logging.info("Params:")
params_file = os.path.join(args.output_dir, "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")
seed_torch(args.seed)
main(args, config)