Doubt the accuracy

[SteveTsui]

Get 65.07% using the new small model, it's much lower than your claim.
Use these pretreatments.
transform_test = transforms.Compose([
transforms.Resize(256),
transforms.CenterCrop(224),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]),
])