test_mapnik_2599_perf.py

#!/usr/bin/env python

import mapnik
import random
import time

w,h = 16,16
img = mapnik.Image(w,h)
img.background = mapnik.Color("white")

for x in range(0,16):
    for y in range(0,16):
        r = random.randint(0,255)
        g = random.randint(0,255)
        b = random.randint(0,255)
        a = random.randint(0,255)
        img.set_pixel(x,y,mapnik.Color(r,g,b,a))

img.save('out.png', 'png8:m=h')
start = time.time()
trials = 20000
for i in range(trials):
    if i % 10000 == 0:
        print i
    img_data = img.tostring("png8:m=h")
print '%.3fs for %d trials' % ((time.time() - start), trials)
print '%d bytes' % len(img_data)