from concurrent.futures import ProcessPoolExecutor
from bench import bench
from mc_parallel import estimate_pi_parallel
N_PER_WORKER = 5_000_000 # объём работы на одного исполнителя
if __name__ == "__main__":
    print(" p N T(p), с E_weak")
    for p in [1, 2, 4, 6, 8, 10]:
        n = N_PER_WORKER * p # задача растёт вместе с числом процессов
        with ProcessPoolExecutor(max_workers=p) as pool:
            tp, _, _ = bench(estimate_pi_parallel, n, pool, p)
        if p == 1:
            t_base = tp
        print(f"{p:2d} {n:10_d} {tp:7.2f} {t_base / tp:6.2f}")