python_divide_perf

$ cat test.py
#!/usr/bin/env python3

import datetime
import random

dividends = []
divisors = []

for i in range(1000 * 1000):
    dividends.append(random.randint(1,1000000000))
    divisors.append(random.randint(1,1000000000))

start_time = datetime.datetime.now()
print('start')

for i in range(100):
    for j in range(len(dividends)):
        dividends[j] = dividends[j] // divisors[j]

print(datetime.datetime.now() - start_time)
$ for i in {1..5}; do ./test.py; done
start
0:00:15.669361
start
0:00:21.611676
start
0:00:14.463224
start
0:00:16.267539
start
0:00:14.508425
$
$
$ cat test2.py
#!/usr/bin/env python3

import datetime
import random

dividends = []
divisors = []

for i in range(1000 * 1000):
    dividends.append(random.randint(1,1000000000))
    divisors.append(random.randint(1,1000000000))

start_time = datetime.datetime.now()
print('start')

for i in range(100):
    for j in range(len(dividends)):
        dividends[j] = int(dividends[j] / divisors[j])

print(datetime.datetime.now() - start_time)
$ for i in {1..5}; do ./test2.py; done
start
0:00:29.424211
start
0:00:29.924678
start
0:00:29.382029
start
0:00:29.160739
start
0:00:31.114885