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import gmpy, time
try: sum
except NameError:
def sum(x, z):
for item in x: z += item
return z
def timedsum(n, zero):
start=time.clock()
tot=zero
for i in range(n):
tot+=i
stend=time.clock()
return type(zero), stend-start, tot
def timedsum1(n, zero):
start=time.clock()
tot=sum(range(n), zero)
stend=time.clock()
return type(zero), stend-start, tot
def timedmul(n, one):
start=time.clock()
tot=one
for i in range(n):
tot*=(i+1)
stend=time.clock()
return type(one), stend-start, tot
def test(n=100*1000):
print("Sum of %d items of various types:" % n)
for z in 0, 0.0, gmpy.mpz(0), gmpy.mpf(0):
tip, tim, tot = timedsum(n, z)
print(" %5.3f %.0f %s" % (tim, float(tot), tip))
print("Sum of %d items of various types w/2.3 sum builtin:" % n)
for z in 0, 0.0, gmpy.mpz(0), gmpy.mpf(0):
tip, tim, tot = timedsum1(n, z)
print(" %5.3f %.0f %s" % (tim, float(tot), tip))
print("Mul of %d items of various types:" % (n//5))
for z in 1, 1.0, gmpy.mpz(1), gmpy.mpf(1):
tip, tim, tot = timedmul(n//5, z)
print(" %5.3f %s" % (tim, tip))
if __name__=='__main__':
test()
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