meanrand.setseed(324)
def meanrand_python(n):
i = 0
res = 0.0
while i < n:
res += random.random()
i += 1
return res / n
rt_c = []
rt_python = []
ns = [10**i for i in range(8)]
for i in ns:
start = time.time()
meanrand.meanrand(i)
rt_c.append(time.time() - start)
start = time.time()
meanrand_python(i)
rt_python.append(time.time() - start)
pl.semilogx(ns, rt_c, ".-", label="C", linewidth=3)
pl.semilogx(ns, rt_python, ".-", label="Python", linewidth=3)
pl.xlabel("num runs")
pl.ylabel("runtime")
pl.legend()
pl.show()
import meanrand meanrand.setseed(324) print meanrand.meanrand(10000) print meanrand.meanrand2(10000, 2, 3) print meanrand.meanrand3(b=10)
import time,random
meanrand.setseed(324)
def meanrand_python(n):
i=0
res=0.0
while i<n:
res+=random.random()
i+=1
return res/n
rt_c=[]
rt_python=[]
ns=[10**i for i in range(8)]
for i in ns:
start=time.time()
meanrand.meanrand(i)
rt_c.append(time.time()-start)
start=time.time()
meanrand_python(i)
rt_python.append(time.time()-start)
pl.semilogx( ns, rt_c, ".-", label="C", linewidth=3 )
pl.semilogx( ns, rt_python, ".-", label="Python",linewidth=3 )
pl.xlabel("num runs")
pl.ylabel("runtime")
pl.legend()
pl.show()
