A Thousand Tiny Optimisations

This is a sort-of-transcript of a talk i gave a couple of years ago , and planned to give at FOSDEM but it wasn't accepted. There is also a companion playthrough video that goes into much more detail. Note that the post was written well over a year ago, as usual it just didn't make it out of my drafts folder. Zelda is back in people’s minds again with the recent release of “Tears of the Kingdom” -…