charmap.py

from timeit import Timer

# setup = """\
from mathutils import Vector
from random import random
from itertools import zip_longest

ul = [[[random(), random(), random()] for i in range(1000)]]

v1 = [[[random(), random(), random()] for i in range(1000)]]
v2 = [[[0, 0, 1]]]


def fullList(l, count):
    d = count - len(l)
    if d > 0:
        l.extend([l[-1] for a in range(d)])
    return

cross = lambda u, v: Vector(u).cross(v)[:]


def recurse_fxy2(l1, l2, f, leve):
    res = []
    res_append = res.append
    fl = l2[-1] if len(l1) > len(l2) else l1[-1]
    if leve == 1:
        for u, v in zip_longest(l1, l2, fillvalue=fl):
            res_append(f(u, v))
    else:
        for u, v in zip_longest(l1, l2, fillvalue=fl):
            res.append(recurse_fxy2(u, v, f, leve - 1))
    return res


def recurse_fxy3(l1, l2, leve):
    res = []
    res_append = res.append
    fl = l2[-1] if len(l1) > len(l2) else l1[-1]
    if leve == 1:
        for u, v in zip_longest(l1, l2, fillvalue=fl):
            res_append({func})
    else:
        for u, v in zip_longest(l1, l2, fillvalue=fl):
            res.append(recurse_fxy3(u, v, leve - 1))
    return res


# """

functors = {'cross': "Vector(u).cross(v)[:]"}
setup = setup.format(func=functors['cross'])


def test(r=3, times=100):
    t2 = Timer("""w = recurse_fxy2(ul,v1,cross,2)""", setup=setup)
    print("zipL 1000:1000:", min(t2.repeat(r, times)))
    t6 = Timer("""w = recurse_fxy3(ul,v1, 2)""", setup=setup)
    print("ugly: 1000:1000", min(t6.repeat(r, times)))
    t4 = Timer("""w = recurse_fxy2(ul,v2,cross,2)""", setup=setup)
    print("zipL: 1000:1", min(t4.repeat(r, times)))
    t5 = Timer("""w = recurse_fxy3(ul,v2, 2)""", setup=setup)
    print("ugly: 1000:1", min(t5.repeat(r, times)))

test()