python-logging-bench.py

import timeit

setup="""
import logging

logging.basicConfig(filename='/dev/null')

depth = %d

loggers = [
    logging.getLogger(".".join(i * "a"))
    for i in range(1, depth + 1)
]

l = loggers[-1]
"""

cut = "l.error('foo')"

for depth in range(1,10):
    print("Timing depth %d" % depth)
    timeit.main(["-s", setup % depth, cut])

# Results:
# yac@beefcake % python bench.py
# Timing depth 1
# 100000 loops, best of 3: 10.3 usec per loop
# Timing depth 2
# 100000 loops, best of 3: 10.5 usec per loop
# Timing depth 3
# 100000 loops, best of 3: 10.7 usec per loop
# Timing depth 4
# 100000 loops, best of 3: 10.9 usec per loop
# Timing depth 5
# 100000 loops, best of 3: 11.1 usec per loop
# Timing depth 6
# 100000 loops, best of 3: 11.2 usec per loop
# Timing depth 7
# 100000 loops, best of 3: 11.4 usec per loop
# Timing depth 8
# 100000 loops, best of 3: 11.5 usec per loop
# Timing depth 9
# 100000 loops, best of 3: 11.6 usec per loop