Emil Persson's optimization tweet was so well received that he decided to turn its <ol> of rules into a full-on blog post:
Basically Programming Wisdom ... posted a quote that basically suggested more or less that there’s never a good time to think about performance. Even experts should defer it until later! This is way worse advice than your usual “premature optimization is the root of all evil” tirade.
I'm not a fan of premature optimization, myself. So there's lots to ponder in this post. 🤔