import time def timing(f, n, a): print f.__name__, r = range(n) t1 = time.clock() for i in r: f(a); f(a); f(a); f(a); f(a); f(a); f(a); f(a); f(a); f(a) t2 = time.clock() print round(t2-t1, 3) def g1(string): return map(ord, string) import array def g2(string): return array.array('b', string).tolist() testdata = reduce(lambda string, item: string + chr(item), range(256), "") testfuncs = g1, g2 print `testdata` for g in testfuncs: print g.func_name, g(testdata) for g in testfuncs: timing(g, 100, testdata)