.gitignore

.tox

namedtuple_bench.py

from collections import namedtuple
import sys


SomeNT = namedtuple("SomeNT", ('a_field', 'another_field', 'yet_another_field'))


def test_tuple_instantiate():
    some_tup = (1, "blah", [1, 2, 3, 4])


def test_tuple_access(some_tuple):
    some_tuple[1]
    some_tuple[0]


def test_namedtuple_instantiate(namedtuple_class):
    some_nt = namedtuple_class(1, "blah", [1, 2, 3, 4])


def test_namedtuple_access(some_namedtuple):
    some_namedtuple.another_field
    some_namedtuple.a_field


def main():
    import timeit
    tup_inst = timeit.timeit("""test_tuple_instantiate()""", setup="from __main__ import test_tuple_instantiate", number=1000000)
    tup_acc = timeit.timeit("""test_tuple_access((1, "blah", [1, 2, 3, 4]))""", setup="from __main__ import test_tuple_access", number=1000000)
    ntup_inst = timeit.timeit("""test_namedtuple_instantiate(SomeNT)""", setup="from __main__ import test_namedtuple_instantiate, SomeNT", number=1000000)
    ntup_acc = timeit.timeit("""test_namedtuple_access(SomeNT(1, "blah", [1, 2, 3, 4]))""", setup="from __main__ import test_namedtuple_access, SomeNT", number=1000000)

    print("tuple      instantiate: {0}".format(tup_inst))
    print("namedtuple instantiate: {0}".format(ntup_inst))
    print("tuple      access:      {0}".format(tup_acc))
    print("namedtuple access:      {0}".format(ntup_acc))


if __name__ == '__main__':
    main()

results.txt

py26 runtests: PYTHONHASHSEED='609294106'
py26 runtests: commands[0] | /Users/ulo/devel/py/namedtuple_bench/.tox/py26/bin/python namedtuple_bench.py
tuple      instantiate: 0.243867874146
namedtuple instantiate: 0.791953086853
tuple      access:      0.342396020889
namedtuple access:      1.09635186195
py27 runtests: PYTHONHASHSEED='609294106'
py27 runtests: commands[0] | /Users/ulo/devel/py/namedtuple_bench/.tox/py27/bin/python namedtuple_bench.py
tuple      instantiate: 0.300357103348
namedtuple instantiate: 0.817892074585
tuple      access:      0.397746801376
namedtuple access:      1.12735199928
py33 runtests: PYTHONHASHSEED='609294106'
py33 runtests: commands[0] | /Users/ulo/devel/py/namedtuple_bench/.tox/py33/bin/python namedtuple_bench.py
tuple      instantiate: 0.19853064499329776
namedtuple instantiate: 0.8839332649949938
tuple      access:      0.2663196460052859
namedtuple access:      1.1236915799963754
py34 runtests: PYTHONHASHSEED='609294106'
py34 runtests: commands[0] | /Users/ulo/devel/py/namedtuple_bench/.tox/py34/bin/python namedtuple_bench.py
tuple      instantiate: 0.2100249359937152
namedtuple instantiate: 0.707535210007336
tuple      access:      0.2940493019996211
namedtuple access:      0.9200455860118382
pypy runtests: PYTHONHASHSEED='609294106'
pypy runtests: commands[0] | /Users/ulo/devel/py/namedtuple_bench/.tox/pypy/bin/python namedtuple_bench.py
tuple      instantiate: 0.00525689125061
namedtuple instantiate: 0.00653004646301
tuple      access:      0.00449419021606
namedtuple access:      0.00840997695923
___________________________________ summary ____________________________________
  py26: commands succeeded
  py27: commands succeeded
  py33: commands succeeded
  py34: commands succeeded
  pypy: commands succeeded
  congratulations :)

tox.ini

[tox]
envlist = py26,py27,py33,py34,pypy
skipsdist = true

[testenv]
commands = {envpython} namedtuple_bench.py