def dp_memoize_instance(f):
"""
This is the decorator used for functions that return
large objects, such as UncertainImage and Diffeomorphism2D.
This is a place where we can turn on/off the memoization.
In the future we will have a smarter strategy.
"""
memoize = memoize_limited(max_size=None, max_mem_MB=100)
return memoize(f)
def dec():
""" Returns the decorator """
return memoize_limited(max_size=None, max_mem_MB=25)