locktest.py

from threading import RLock


class T(object):

    def __init__(self):
        self.lock = RLock()

    def _meth(self):
        pass

    @staticmethod
    def _smeth():
        pass

    def nometh(self):
        with self.lock:
            pass

    def instmeth(self):
        with self.lock:
            self._meth()

    def statmeth(self):
        with self.lock:
            self._smeth()


t = T()

results.txt

mrw@hammal:/tmp$ python -m timeit -s 'from locktest import t' 't.nometh()'
100000 loops, best of 3: 1.84 usec per loop
mrw@hammal:/tmp$ python -m timeit -s 'from locktest import t' 't.nometh()'
100000 loops, best of 3: 1.87 usec per loop
mrw@hammal:/tmp$ python -m timeit -s 'from locktest import t' 't.nometh()'
100000 loops, best of 3: 1.81 usec per loop
mrw@hammal:/tmp$ python -m timeit -s 'from locktest import t' 't.instmeth()'
100000 loops, best of 3: 1.92 usec per loop
mrw@hammal:/tmp$ python -m timeit -s 'from locktest import t' 't.instmeth()'
100000 loops, best of 3: 2.05 usec per loop
mrw@hammal:/tmp$ python -m timeit -s 'from locktest import t' 't.instmeth()'
1000000 loops, best of 3: 1.96 usec per loop
mrw@hammal:/tmp$ python -m timeit -s 'from locktest import t' 't.statmeth()'
100000 loops, best of 3: 1.99 usec per loop
mrw@hammal:/tmp$ python -m timeit -s 'from locktest import t' 't.statmeth()'
100000 loops, best of 3: 2.01 usec per loop
mrw@hammal:/tmp$ python -m timeit -s 'from locktest import t' 't.statmeth()'
100000 loops, best of 3: 1.98 usec per loop
mrw@hammal:/tmp$ python -m timeit -s 'from locktest import t' 't.statmeth()'
100000 loops, best of 3: 1.99 usec per loop
mrw@hammal:/tmp$