I'll give you an example of irrationality here
… I'll give you an example of irrationality here. I was working at a big tech company and as part of breaking down my project I was playing around with another part of the code. I more then doubled the prediction accuracy on customer data and made the code run faster and use less memory. Objectively better. It even happened "for free" because the tasks involved were part of my original job, though the goal was not explicitly. What happened? Last I know, the PR is still open. Boss never pushed for it because they were more invested in their other work that was yet to be completed but had more buzzwords. That work was only a bit more accurate than mine but 100x shower and required 10x more memory. I even told them what I did would work for the other one too, yet it never happened. I've seen many instances like this. Sometimes people just don't want things to be better unless it's better in a very specific kind of way (and not necessarily via performance). Sometimes it's just politics. On the other hand, I've seen very good teams where there's the exact opposite experience. …
Original discussionRevisiting Knuth's “Premature Optimization” Paper141 source comments · at import