actually drew it an image into patches you're increasing your bat size by a lot and so even if you reduce your image size it's not it's not particularly good to pre-trained with much smaller images and find you in with larger images and secondly you also want to make sure that you use Bosch norm during your pee training and when you do something I see PC using Bosch norm is much harder because yeah you don't want information to mix in your pixel cnn's so so therefore people want that to have this version of contrast to learning that