3.2.1. The general principle of try it and see

Different applications can react to optimizations in very different ways. In one application a specific optimization might have a large impact on performance, whereas in another applications it might have a small impact.

If you are optimizing, do not assume all optimizations are always going to increase performance. There are often trade-offs between optimizations, so try out different techniques to see what works best for your application.

In general, experiment with different approaches for all optimizations and graphics programming.

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