> I don’t think this is widely true today (outside e.g. game development anyway). If it were, we’d probably have lots of fast software that’s very hard to read!

> I don’t think this is widely true today (outside e.g. game development anyway). If it were, we’d probably have lots of fast software that’s very hard to read! I think the point was that programmers' intuition about performance is wrong. So we'd wind up with a lot of slow, buggy software — buggy because the code became hard to read when it was prematurely optimized.