developerWorks: Make PHP Apps Fast, Faster, Fastest, Part 2

[ Thanks to IdaAshley for this link. ]

"Part 1 of this 'Make PHP apps fast, faster, fastest' series demonstrates how you can accelerate your entire site using XCache, a PHP opcode cache. XCache (just one of several caching packages you can evaluate) retains the output of the compilation process, eliminating otherwise redundant work. As long as a page doesn't change, the cached version of the page suffices as proxy. When a page is revised, the cached version is invalidated and replaced.

"An opcode cache--and an opcode optimizer, which is often provided in the same package--is a dirt-cheap technique to hasten the responsiveness of your site. Many cache packages are free and open source, and you need not change any code to realize the benefits..."

Complete Story

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