"The latest Firestorm release has a new feature (albeit one that I still consider experimental), the "performance floater". In recent blog posts, I've explained  why I created this, in earlier blogs and most recently, in "Upgraders of the lost ARC" I explained a bit about what it does. This post is all about "How to use Performance Floater". Bundled with the Performance Floater is the Autotune FPS feature, I'll also explain how this works, and how to best avoid getting yourself into a muddle with it." Read more on the blog.