Shows you how to get a Python object's memory size. Notice that there can be a difference between Python versions.
Get a Python object's memory size
Tcll commented: definately useful for checking memory-hungry algorithms and optimizing them =D +2
''' object_size.py
get the size of a Python object in memory
tested with Python27 and Python33 by vegaseat 22oct2013
'''
import sys
mytuple = ()
mylist = []
mydict = {}
mystr = ""
print("Size of empty tuple = {}".format(sys.getsizeof(mytuple)))
print("Size of empty list = {}".format(sys.getsizeof(mylist)))
print("Size of empty dictionary = {}".format(sys.getsizeof(mydict)))
print("Size of empty string = {}".format(sys.getsizeof(mystr)))
'''
result (Python27, 32 bit version) ...
Size of empty tuple = 28
Size of empty list = 36
Size of empty dictionary = 140
Size of empty string = 21
result (Python33, 32 bit version) ...
Size of empty tuple = 28
Size of empty list = 36
Size of empty dictionary = 148
Size of empty string = 25
'''
woooee 814 Nearly a Posting Maven
64 bit, Python 2.7 is predictably twice the memory, except for the string???
"""
Size of empty tuple = 56
Size of empty list = 72
Size of empty dictionary = 280
Size of empty string = 37
"""
Nils_1 0 Newbie Poster
64 bit, Python 3.2.3:
Size of empty tuple = 28
Size of empty list = 36
Size of empty dictionary = 140
Size of empty string = 30
Tcll 66 Posting Whiz in Training Featured Poster
might I suggest checking array.array() and bytearray() :)
or I will when I stop being lazy XD
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