I was rubbing my hands together thinking "oh boy, I already know about speeding up with PyPy, I wonder what other tricks I don't know?" The article was sorely disappointing.
> So, let's prove some people wrong and let's see how we can improve performance of our Python programs and make them really fast!
> [sets the stage with a program that takes 11 seconds to run]
> This is more about general ideas and strategies, which when used, can make a huge impact on performance, in some cases up to 30% speed-up.
...that's it? up to 30% speed-up is "blazingly fast"? On a program that takes 11 seconds to run, that still takes 8 seconds... I was expecting speed-ups that took execution to milliseconds or microseconds.