Most of us will be familiar with the concept of the speedrun, an attempt to complete a game (or levels of a game) in the fastest time possible. However, this is the first time I've seen a CPU build get the same treatment, as Hackaday writer Julian Scheffers has managed to simulate a functional CPU from scratch in Logisim over the course of a mere six hours.
The project is called Stovepipe, by virtue of the fact that it needed a name quickly, rather than reference to a popular 19th century style of top hat.