Don't know if the owner will ever read this comment, but please add some sections on:

  * Its design goals and rationale
  * How those decisions are translated into the actual performance
  * What is the trade off made to achieve that
  * Why should/shouldn't anyone else use it

Rather than just a vague performance claim that it's ten times faster than something else. It's not just for this specific library, but applicable to any libraries seeking for broader audiences.