Benchmark for skylight spreading for bravo

skylight_spreading_benchmark.py

import math
import time

from bravo.chunk import Chunk
from bravo.plugins.generators import simplex, caves

def average(l):
    return sum(l) / len(l)

def stddev(l):
    return math.sqrt(sum((i - average(l))**2 for i in l))

times = []

for i in range(30):
    c = Chunk(0,0)
    simplex.populate(c,time.time())
    caves.populate(c,int(time.time()))
    caves.populate(c,int(time.time()))
    caves.populate(c,int(time.time()))
    caves.populate(c,int(time.time()))
    caves.populate(c,int(time.time()))
    caves.populate(c,int(time.time()))
    caves.populate(c,int(time.time()))
    caves.populate(c,int(time.time()))

    b  = time.time()
    c.regenerate()
    times.append((time.time() - b) * 1000)


print average(times), max(times), min(times), stddev(times)