Miscellany

#!/usr/bin/pythonimport random, timeitdata = [random.randint(0, 511) for i in xrange(0, 1000000)]data10 = data[0:10]data100 = data[0:100]data1000 = data[0:1000]data10000 = data[0:10000]data100000 = data[0:100000]def f(x,y):  return y < 255 and xdef alt_f(lst):  return reduce(f, lst, True)def alt_l(lst):  return reduce(lambda x, y: y < 255 and x, lst, True)def alt_m(lst):  return max(lst) < 255def profile(alt, num):  reps = 10000000/num  print alt, num, timeit.Timer(    "%s(data%u)" % (alt, num),    "from __main__ import alt_f, alt_l, alt_m, data10, data100, data1000, data10000, data100000"  ).timeit(number=reps) / reps * 1e6, "us"profile("alt_f", 10)profile("alt_f", 100)profile("alt_f", 1000)profile("alt_f", 10000)profile("alt_l", 10)profile("alt_l", 100)profile("alt_l", 1000)profile("alt_l", 10000)profile("alt_m", 10)profile("alt_m", 100)profile("alt_m", 1000)profile("alt_m", 10000)##############################################################D:\Desktop Environment\Desktop>maxing.pyalt_f 10 3.27713689868 usalt_f 100 26.3104444839 usalt_f 1000 248.523653146 usalt_f 10000 2478.53707664 usalt_l 10 3.46616846555 usalt_l 100 26.5871221063 usalt_l 1000 248.279823274 usalt_l 10000 2472.36925363 usalt_m 10 1.01346847155 usalt_m 100 5.72555729848 usalt_m 1000 48.3984417014 usalt_m 10000 482.639832716 us