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Convert bench_cffi_access.py to use unittest and helper.py

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This commit is contained in:
hugovk 2014-06-25 12:19:27 +03:00
parent f41e0a30fb
commit 1bbe850f5b
1 changed files with 33 additions and 24 deletions
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57
Tests/bench_cffi_access.py
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@ -1,23 +1,25 @@
from tester import * from helper import *
# not running this test by default. No DOS against travis. # Not running this test by default. No DOS against Travis CI.
from PIL import PyAccess from PIL import PyAccess
from PIL import Image
import time import time
def iterate_get(size, access): def iterate_get(size, access):
(w,h) = size (w, h) = size
for x in range(w): for x in range(w):
for y in range(h): for y in range(h):
access[(x,y)] access[(x, y)]
def iterate_set(size, access): def iterate_set(size, access):
(w,h) = size (w, h) = size
for x in range(w): for x in range(w):
for y in range(h): for y in range(h):
access[(x,y)] = (x %256,y%256,0) access[(x, y)] = (x % 256, y % 256, 0)
def timer(func, label, *args): def timer(func, label, *args):
iterations = 5000 iterations = 5000
@ -25,27 +27,34 @@ def timer(func, label, *args):
for x in range(iterations): for x in range(iterations):
func(*args) func(*args)
if time.time()-starttime > 10: if time.time()-starttime > 10:
print ("%s: breaking at %s iterations, %.6f per iteration"%(label, x+1, (time.time()-starttime)/(x+1.0))) print("%s: breaking at %s iterations, %.6f per iteration" % (
label, x+1, (time.time()-starttime)/(x+1.0)))
break break
if x == iterations-1: if x == iterations-1:
endtime = time.time() endtime = time.time()
print ("%s: %.4f s %.6f per iteration" %(label, endtime-starttime, (endtime-starttime)/(x+1.0))) print("%s: %.4f s %.6f per iteration" % (
label, endtime-starttime, (endtime-starttime)/(x+1.0)))
def test_direct():
im = lena()
im.load()
#im = Image.new( "RGB", (2000,2000), (1,3,2))
caccess = im.im.pixel_access(False)
access = PyAccess.new(im, False)
assert_equal(caccess[(0,0)], access[(0,0)]) class BenchCffiAccess(PillowTestCase):
print ("Size: %sx%s" % im.size) def test_direct(self):
timer(iterate_get, 'PyAccess - get', im.size, access) im = lena()
timer(iterate_set, 'PyAccess - set', im.size, access) im.load()
timer(iterate_get, 'C-api - get', im.size, caccess) # im = Image.new( "RGB", (2000, 2000), (1, 3, 2))
timer(iterate_set, 'C-api - set', im.size, caccess) caccess = im.im.pixel_access(False)
access = PyAccess.new(im, False)
self.assertEqual(caccess[(0, 0)], access[(0, 0)])
print ("Size: %sx%s" % im.size)
timer(iterate_get, 'PyAccess - get', im.size, access)
timer(iterate_set, 'PyAccess - set', im.size, access)
timer(iterate_get, 'C-api - get', im.size, caccess)
timer(iterate_set, 'C-api - set', im.size, caccess)
if __name__ == '__main__':
unittest.main()
# End of file