Latency numbers all programmers should know

If you unaware of these numbers, you might spend too much energy looking at the wrong places as you attempt to improve the performance of your application.

• Quasi original with many useful comments, https://gist.github.com/jboner/2841832

• Forked version with a nicer layout, https://gist.github.com/GLMeece/b00c9c97a06a957af7426b1be5bc8be6

I have seen the original numbers published some 20 years ago by Peter Norvig which reminded of the importance as I read https://www.freecodecamp.org/news/multithreaded-python/