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more image encoding tests - also output length of image for rough size comparision

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This commit is contained in:
Dane Springmeyer 2012-10-25 13:15:33 -07:00
parent 28c35055e4
commit 888e6ec941
2 changed files with 26 additions and 7 deletions
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33
tests/python_tests/image_encoding_speed_test.py
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@ -18,14 +18,23 @@ combinations = ['png',
'png8:m=h',
'png8:m=o:t=0',
'png8:m=o:t=1',
'png8:m=o:t=2',
'png8:m=h:t=0',
'png8:m=h:t=1',
'png8:m=h:t=2',
'png:z=1',
'png8:z=1',
'png8:z=1:m=o',
'png8:z=1:m=h',
'png8:z=1:c=50',
'png8:z=1:c=1',
'png8:z=1:c=24',
'png8:z=1:c=64',
'png8:z=1:c=128',
'png8:z=1:c=200',
'png8:z=1:c=255',
'png8:z=9:c=64',
'png8:z=9:c=128',
'png8:z=9:c=200',
'png8:z=1:c=50:m=h',
'png8:z=1:c=1:m=o',
'png8:z=1:c=1:m=o:s=filtered',
@ -53,11 +62,11 @@ def do_encoding():
min_ = min(set)*1000
avg = (sum(set)/len(set))*1000
name = func.__name__ + ' ' + format
results[name] = [avg,min_,elapsed*1000,name]
sortable[name] = [avg]
results[name] = [avg,min_,elapsed*1000,name,len(func())]
sortable[name] = [min_]
def blank():
eval('image.tostring("%s")' % c)
return eval('image.tostring("%s")' % c)
blank_im = mapnik.Image(512,512)
for c in combinations:
@ -65,7 +74,7 @@ def do_encoding():
run(blank,blank_im,c,t)
def solid():
eval('image.tostring("%s")' % c)
return eval('image.tostring("%s")' % c)
solid_im = mapnik.Image(512,512)
solid_im.background = mapnik.Color("#f2efe9")
@ -74,7 +83,7 @@ def do_encoding():
run(solid,solid_im,c,t)
def many_colors():
eval('image.tostring("%s")' % c)
return eval('image.tostring("%s")' % c)
# lots of colors: http://tile.osm.org/13/4194/2747.png
many_colors_im = mapnik.Image.open('../data/images/13_4194_2747.png')
@ -82,13 +91,23 @@ def do_encoding():
t = Timer(many_colors)
run(many_colors,many_colors_im,c,t)
def aerial_24():
return eval('image.tostring("%s")' % c)
aerial_24_im = mapnik.Image.open('../data/images/12_654_1580.png')
for c in combinations:
t = Timer(aerial_24)
run(aerial_24,aerial_24_im,c,t)
for key, value in sorted(sortable.iteritems(), key=lambda (k,v): (v,k)):
s = results[key]
avg = str(s[0])[:6]
min_ = str(s[1])[:6]
elapsed = str(s[2])[:6]
percent_reduction = s[4]
name = s[3]
print 'avg: %sms | min: %sms | total: %sms <-- %s' % (min_,avg,elapsed,name)
size = s[4]
print 'avg: %sms | min: %sms | total: %sms | len: %s <-- %s' % (min_,avg,elapsed,size,name)
if __name__ == "__main__":