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Everything about Precompiled header

Optimized type of file in computer programming

In computer programming, a precompiled header (PCH) is a header file that is compiled into an intermediate form that is faster to process for the compiler. Usage of precompiled headers may significantly reduce compilation time, especially when applied to large header files, header files that include many other header files, or header files that are included in many translation units. The ideas of precompiled headers were central to the development of C++ modules. Wikipedia →

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  1. Read the overview: Precompiled headerA 5-minute orientation
  2. Read the landmark paper: An implementation of precompiled headersCited 8 times
  3. Go sideways: Modules (C++)A closely related topic
  4. Go sideways: Pragma onceA closely related topic

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