Making An Operating System Faster

The performance of computer hardware typically increases monotonically with time. Even if the same could be said of software, the rate at which software performance improves is usually very slow compared to that of hardware. In fact, many might opine that there is plenty of software whose performance has deteriorated consistently with time. Moreover, it is rather difficult to establish an objective performance metric for software as complex as an operating system: a "faster OS" is a very subjective, context dependent phrase... This document discusses ten things that Apple did (beyond initial/fundamental OS design and implementation) to improve Mac OS X's performance. Some of these are simply good ideas and obvious candidates for implementation; some are guidelines or tools for developers to help them create high-performance applications, while some are proactive attempts at extracting performance from strategically chosen quarters. Consider the following a sampling of such optimizations, in no particular order... Source: kernelthread.com This was a very good, albeit technical, read. It does a great job at explaining how some things work, such as prebinding. I had a general idea, but now I know more about it. There are a lot of code examples you can use in the Terminal.

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