This chapter sums up what you learned by reading this book. It refreshes the main tenets of performance and it reminds you that you should always remain pragmatic. We'll recap why you shouldn't optimize just for optimization's sake and why you should always measure the problems and results. This chapter also introduces more advanced and exotic techniques that you may wish to consider learning about if you need more speed or are a serious performance enthusiast.
Topics covered in this chapter include the following: