python3 cpython3-and-pypy3-modulo-slow.py gen_shift_mod  41.03s user 1.53s system 99% cpu 42.793 total
pypy3 cpython3-and-pypy3-modulo-slow.py gen_shift_mod  26.61s user 0.06s system 99% cpu 26.850 total
python3 cpython3-and-pypy3-modulo-slow.py gmpy  165.07s user 4.21s system 99% cpu 2:49.63 total