Pickle dump huge file without memory error

Question

I have a program where I basically adjust the probability of certain things happening based on what is already known. My file of data is already saved as a pickle

Answer 1

How about this?

import cPickle as pickle
p = pickle.Pickler(open("temp.p","wb")) 
p.fast = True 
p.dump(d) # d could be your dictionary or any file