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1 import math
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2 import os
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3 import pydc
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5
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4 import sys
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5 import platform
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6
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7 if sys.platform == "win32":
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8 libm = pydc.load("msvcrt")
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9 elif sys.platform == "darwin":
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10 libm = pydc.load("/usr/lib/libm.dylib")
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11 elif "bsd" in sys.platform:
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12 libm = pydc.load("/usr/lib/libm.so")
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13 elif platform.architecture()[0] == "64bit":
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14 libm = pydc.load("/lib64/libm.so.6")
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15 else:
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16 libm = pydc.load("/lib/libm.so.6")
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17
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18 fpsin = pydc.find(libm,"sin")
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19
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20
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21
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22 def f1(n):
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23 for x in xrange(n):
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24 math.sin(x)
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25 # filter( math.sin, range(0,n) )
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26
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5
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27 def libmsin(x): pass
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28
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29 def f2(n):
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30 for x in xrange(n):
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31 pydc.call(fpsin,"d)d",float(x))
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32 # libmsin(i)
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33
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34 # filter( libmsin , range(0,n) )
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35
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36
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37 print "start_native"+str(os.times())
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38 f1(10000000)
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39 print "start_dc"+str(os.times())
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40 f2(10000000)
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41 print "end"+str(os.times())
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42
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