Benchamark ISO time arithmetic

iso_time_benchmark.py

from datetime import datetime
from timeit import timeit

iso_setup = '''
from datetime import datetime
iso_start = "2017-08-30T16:01:18Z"
iso_end = "2017-08-30T16:01:20Z"
fmt = "%Y-%m-%dT%H:%M:%SZ"
'''

iso_run = '''
s = datetime.strptime(iso_start, fmt)
e = datetime.strptime(iso_end, fmt)
seconds = (e-s).seconds
'''

unix_setup = '''
unix_start = 1504108878
unix_end = 1504108880
'''

unix_run = '''
seconds = unix_end - unix_start
'''

it = 100000

print('timing ISO time arithmetic')
iso_result = timeit(setup=iso_setup, stmt=iso_run, number=it)


print('timing unix time arithmetic')
unix_result = timeit(setup=unix_setup, stmt=unix_run, number=it)

print('iso: %s' % iso_result)
print('unix: %s' % unix_result)
print('factor: %s' % (iso_result/unix_result))