start=time.time()
dataset = multiPIE(args.data_path, transform_mode=‘train_transform’)
dataloader = torch.utils.data.DataLoader(dataset, batch_size=args.batch_size, shuffle=True, num_workers=0)
realBatch=next(iter(dataloader))
a=realBatch[0]
print(“time for data loading”, time.time()-start)
but this line takes 2.80. 
still confuse what is the problem