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When a website increases in complexity and starts to depend on numerous sources of data and thousands of lines of code, it slows down, no matter what programming language or database you use. And that affects both the time to serve the page and the number of pages per second that can be served by your webserver. There are many ways this problem can be tackled and all of these should be considered. More and faster hardware, more and better software, and then there is source code optimization.

When I was asked to think about ways to optimize our websites so that they could handle much more traffic, my mind wandered back to the year 1996 when I read Michael Abrash's Zen of graphics programming. In this book, which is about low-level graphics programming, Abrash does a really good job of explaining the thrill of optimization. One passage explicitly stuck with me. In the final chapter of the book he describes how he was working on a texture mapper of a 3D engine.



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