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# $Id: clonemaps.py,v 1.1 2004/08/10 14:22:07 sean Exp $
#
# Timing tests of mapfile parsing vs map cloning
import os
from shutil import copyfile
import timeit
from testing import mapscript
from testing import TESTMAPFILE
# ===========================================================================
# Test 1A: New maps from mapfile
#
# reloading the mapfile each time
print "Test 1A: reloading maps from mapfile"
s = """\
m = mapscript.mapObj(TESTMAPFILE)
"""
t = timeit.Timer(stmt=s, setup='from __main__ import mapscript, TESTMAPFILE')
print "%.2f usec/pass" % (1000000 * t.timeit(number=100)/100)
# ===========================================================================
# Test 1B: Cloning
#
# Cloning instead of reloading
print "Test 1B: cloning maps instead of reloading"
m = mapscript.mapObj(TESTMAPFILE)
s = """\
c = m.clone()
"""
t = timeit.Timer(stmt=s, setup='from __main__ import m')
print "%.2f usec/pass" % (1000000 * t.timeit(number=100)/100)
# ===========================================================================
# Test 2: Add 20 dups of the POLYGON layer to see how results scale
timing_map = mapscript.mapObj(TESTMAPFILE)
polygon_layer = timing_map.getLayerByName('POLYGON')
# duplicate POLYGON layer 20 times
for i in range(20):
timing_map.insertLayer(polygon_layer)
assert timing_map.numlayers == 24
TIMINGMAPFILE = os.path.join(os.getcwd(), 'timing.map')
timing_map.save(TIMINGMAPFILE)
copyfile('../../tests/fonts.txt', os.path.join(os.getcwd(), 'fonts.txt'))
copyfile('../../tests/symbols.txt', os.path.join(os.getcwd(), 'symbols.txt'))
# Test 2A: reloading mapfile
print "Test 2A: reloading inflated mapfile"
s = """\
m = mapscript.mapObj(TIMINGMAPFILE)
"""
t = timeit.Timer(stmt=s, setup='from __main__ import mapscript, TIMINGMAPFILE')
print "%.2f usec/pass" % (1000000 * t.timeit(number=100)/100)
print "Test 2B: cloning inflated mapfile"
m = mapscript.mapObj(TIMINGMAPFILE)
s = """\
c = m.clone()
"""
t = timeit.Timer(stmt=s, setup='from __main__ import m')
print "%.2f usec/pass" % (1000000 * t.timeit(number=100)/100)
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