میز آزمون timeit: 3 پیاده‌سازی رو در رو

import timeit

setup = "data = list(range(100_000))"
candidats = {
    "boucle for":    "s = 0\nfor x in data: s += x",
    "sum() natif":   "s = sum(data)",
    "genexp + sum":  "s = sum(x for x in data)",
}

mesures = {
    nom: min(timeit.repeat(code, setup, number=200, repeat=5)) / 200 * 1e3
    for nom, code in candidats.items()
}
reference = min(mesures.values())

print(f"{'implémentation':<15} {'ms/appel':>9} {'ratio':>7}")
print("-" * 38)
for nom, ms in sorted(mesures.items(), key=lambda x: x[1]):
    print(f"{nom:<15} {ms:>9.3f} {ms / reference:>6.1f}x  "
          + "▇" * round(ms / reference * 3))