BackgroundI have maintained the time crate for over five years now. In that time, tens of thousands of lines of code have been added, probably just as many removed, and countless more written but never committed. While benchmarks have been present for quite a while, I had never done one thing: truly optimize. Sure, some algorithms have been changed over the years, but I have never created a nontrivial date-time algorithm from scratch. The speed was good enough, even if it was slower than compara...