Ben has been once of the main external contributors to Kestrel and is a big reason of why it's so fast. Great work! I have no idea how he manages to do all of this and write a game at the same time.
https://www.techempower.com/blog/2016/11/16/framework-benchm...
https://www.techempower.com/benchmarks/#section=data-r13&hw=...