Benchmark Django's resolve()

bench_resolve.py

import pyperf

import django
from django.conf import settings
from django.urls import re_path, resolve

settings.configure(ROOT_URLCONF=__name__)
django.setup()


# views
def basic():
    pass


def catchall():
    pass


def vars(var=None):
    pass


# urls
def generate_filler_patterns(num=1):
    """ Returns a list of url pattern inputs for garbage views """
    for n in range(num):
        yield re_path(r"".join((r"^", r"x" * 3 * n, r"/$")), basic)


urlpatterns = list(generate_filler_patterns(10))
urlpatterns.append(re_path(r"^basic/$", basic, name="basic"))
urlpatterns.append(re_path(r"^[a-z]*/$", catchall, name="catchall"))
urlpatterns.append(re_path(r"^replace/(?P<var>.*?)", vars, name="vars"))


def python_cache(loops):
    range_it = range(loops)
    t0 = pyperf.perf_counter()

    # repeat to reduce impact of for loop
    for loop in range_it:
        resolve("/basic/")
        resolve("/basic/")
        resolve("/basic/")
        resolve("/fallthroughview/")
        resolve("/fallthroughview/")
        resolve("/fallthroughview/")
        resolve("/replace/1")
        resolve("/replace/1")
        resolve("/replace/1")

    return pyperf.perf_counter() - t0


runner = pyperf.Runner()
runner.bench_time_func("Python Cache", python_cache)

New

python bench_resolve.py
.....................
Python Cache: Mean +- std dev: 867 us +- 9 us

Old

python bench_resolve.py
.....................
Python Cache: Mean +- std dev: 933 us +- 7 us

c.7% faster