dunder_bench.py

#!/usr/bin/env python3

from math import hypot
from numbers import Real
from ppb_vector import Vector2
from timeit import timeit

class VectorBench(Vector2):
    @property
    def computed_length(self) -> Real:
        return hypot(self.x, self.y)

if __name__ == "__main__":
    for reps in [1, 5, 10, 25, 50, 100]:
        setup = 'v = VectorBench(0.1234, 5.6789)'
        memoized = timeit(f'for _ in range({reps}): v.length', setup, globals=globals())
        computed = timeit(f'for _ in range({reps}): v.computed_length', setup, globals=globals())
        print(f"{reps} successive length computations")
        print(f"\tMemoized: {memoized}")
        print(f"\tComputed: {computed}")
        print(f"\tSpeedup:  {100 * (computed/memoized -1)}%")