Linux threads are impressively optimized for what they do. The way to beat them is to not do as much. Specifically, to not do a kernel transition. Many corou

Linux threads are impressively optimized for what they do. The way to beat them is to not do as much. Specifically, to not do a kernel transition. Many coroutine switch implementations are not much more expensive than function calls. For example https://news.ycombinator.com/item?id=13199581 https://news.ycombinator.com/item?id=13199581