CHAPTER 8

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Balancing Performance with Software Engineering Best Practices and Running in Production

Chapter 7 explored ways to improve runtime performance. You quantified these improvements using the example perfLogger library and charted the results with R. That has been a theme throughout this book—measure and prove a point with data. If I had to choose a single sentence to serve as a thesis statement for this book, it would have to be something that I said in the first chapter that deserves repeating: Any journeyman can create something to spec, but a master crafts with excellence and proves that excellence with empirical data.

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