re.compile once vs each time

re_test.py

import re

GAMES_RE = re.compile('games\.buzzfeed\.com')
STRING = "https://games.buzzfeed.com/something https://games.buzzfeed.com/something https://games.buzzfeed.com/something"


def test_precompiled():
    GAMES_RE.search(STRING)


def test_compile_each_time():
    re.compile('games\.buzzfeed\.com').search(STRING)


if __name__ == '__main__':
    import timeit
    print(timeit.timeit("test_precompiled()", globals=globals())) # 0.4027057359999162
    print(timeit.timeit("test_compile_each_time()", globals=globals())) # 0.9667623320001439