Benchmark for non-interned type lookup

bench_tp_lookup2.py

import time
import threading

THREADS = 6
LOOPS = 200_000

class A:
    x = 1
    xx = 1


def run_lookup_interned():
    a = A()
    for i in range(LOOPS):
        y = getattr(a, b'x'.decode('ascii'))


def run_lookup_non_interned():
    a = A()
    for i in range(LOOPS):
        y = getattr(a, b'xx'.decode('ascii'))


def time_func(name, func):
    t0 = time.perf_counter_ns()
    threads = []
    for i in range(THREADS):
        t = threading.Thread(target=func)
        threads.append(t)
        t.start()
    for t in threads:
        t.join()
    dt = (time.perf_counter_ns() - t0) / 1e6
    print(name, f'{dt:.3f} ms')

def main():
    time_func('interned', run_lookup_interned)
    time_func('non-interned', run_lookup_non_interned)


if __name__ == '__main__':
    main()