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0
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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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28
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18 fp_sin = pydc.find(libm,"sin")
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5
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19
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20
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0
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21
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22 def f1(n):
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28
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23 x = 0
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24 while x < n:
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0
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25 math.sin(x)
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28
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26 x += 1
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0
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27 # filter( math.sin, range(0,n) )
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28
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28
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29 #def libmsin(x): pass
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0
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30
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31 def f2(n):
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28
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32 x = 0
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33 while x < n:
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34 pydc.call(fp_sin,"d)d",float(x))
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35 x += 1
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5
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36 # libmsin(i)
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0
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37
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5
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38 # filter( libmsin , range(0,n) )
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39
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40
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28
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41 print("start_native "+str(os.times()))
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42 f1(10000000)
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28
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43 print("start_dc "+str(os.times()))
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5
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44 f2(10000000)
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28
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45 print("end "+str(os.times()))
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0
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46
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