https://pythonspeed.com/articles/speeding-up-numba/
Understanding CPUs can help speed up Numba and NumPy code
by Itamar Turner-Trauring
Last updated 08 Jun 2023, originally created 07 Jun 2023
“In practice, your initial Numba code may be no faster than the NumPy equivalent. But you can do better, once you have a better understanding of how CPUs work.”