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33dabf986f
The unittest in helper.py has not offered an interesting abstraction
since dbe9f85c7d so import from the more
typical stdlib location.
63 lines
1.6 KiB
Python
63 lines
1.6 KiB
Python
import time
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import unittest
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from PIL import PyAccess
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from .helper import PillowTestCase, hopper
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# Not running this test by default. No DOS against Travis CI.
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def iterate_get(size, access):
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(w, h) = size
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for x in range(w):
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for y in range(h):
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access[(x, y)]
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def iterate_set(size, access):
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(w, h) = size
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for x in range(w):
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for y in range(h):
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access[(x, y)] = (x % 256, y % 256, 0)
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def timer(func, label, *args):
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iterations = 5000
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starttime = time.time()
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for x in range(iterations):
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func(*args)
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if time.time() - starttime > 10:
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print(
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"%s: breaking at %s iterations, %.6f per iteration"
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% (label, x + 1, (time.time() - starttime) / (x + 1.0))
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)
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break
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if x == iterations - 1:
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endtime = time.time()
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print(
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"%s: %.4f s %.6f per iteration"
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% (label, endtime - starttime, (endtime - starttime) / (x + 1.0))
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)
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class BenchCffiAccess(PillowTestCase):
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def test_direct(self):
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im = hopper()
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im.load()
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# im = Image.new( "RGB", (2000, 2000), (1, 3, 2))
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caccess = im.im.pixel_access(False)
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access = PyAccess.new(im, False)
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self.assertEqual(caccess[(0, 0)], access[(0, 0)])
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print("Size: %sx%s" % im.size)
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timer(iterate_get, "PyAccess - get", im.size, access)
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timer(iterate_set, "PyAccess - set", im.size, access)
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timer(iterate_get, "C-api - get", im.size, caccess)
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timer(iterate_set, "C-api - set", im.size, caccess)
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if __name__ == "__main__":
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unittest.main()
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