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Mastering SFML Game Development by Raimondas Pupius

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Profiling basics

There's a variety of different ways an application can be profiled. Anything from branching and individual instructions, to usage of caches and patterns of data access can be tracked in a project. Since our game isn't exactly overflowing with complexity, however, we really only need to worry about time-based profiling.

There are three basic ways a profiler can gather information about an application:

  • Sampling: This is a periodic application stack capture that yields relatively inaccurate results, yet has very little overhead.
  • Event collection: This involves tapping into the compilation process and configuring it in such a way that allows certain information to be sent to the profiling DLLs. A higher amount of overhead with a higher ...

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