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import cProfile
import profile
from timeit import Timer
import django.conf
import django.template.loader
import pyinstrument
django.conf.settings.configure(
INSTALLED_APPS=(),
TEMPLATES=[
{
"BACKEND": "django.template.backends.django.DjangoTemplates",
"DIRS": [
"./examples/demo_scripts/django_example/django_example/templates",
],
}
],
)
django.setup()
def test_func_template():
django.template.loader.render_to_string("template.html")
t = Timer(stmt=test_func_template)
test_func = lambda: t.repeat(number=4000)
# base
base_timings = test_func()
# # profile
# p = profile.Profile()
# profile_timings = p.runcall(lambda: test_func())
# cProfile
cp = cProfile.Profile()
cProfile_timings = cp.runcall(test_func)
# pyinstrument
profiler = pyinstrument.Profiler()
profiler.start()
pyinstrument_timings = test_func()
profiler.stop()
# pyinstrument timeline
# profiler = pyinstrument.Profiler(timeline=True)
# profiler.start()
# pyinstrument_timeline_timings = test_func()
# profiler.stop()
profiler.write_html("out.html")
print(profiler.output_text(unicode=True, color=True))
graph_data = (
("Base timings", min(base_timings)),
# ('profile', min(profile_timings)),
("cProfile", min(cProfile_timings)),
("pyinstrument", min(pyinstrument_timings)),
# ('pyinstrument timeline', min(pyinstrument_timeline_timings)),
)
GRAPH_WIDTH = 60
print("Profiler overhead")
print("–" * (GRAPH_WIDTH + 17))
max_time = max([t[1] for t in graph_data])
for name, time in graph_data:
chars = int((time / max_time) * GRAPH_WIDTH)
spaces = GRAPH_WIDTH - chars
print(f'{name:15} {"█" * chars}{" " * spaces} {time:.3f}s')
print()
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