How Can I Optimize C Compilation Time?
Optimizing C Compilation Time
Language Techniques
- Pimpl Idiom: Isolates implementation details from interface declarations, minimizing recompilations and improving exception safety.
- Forward Declarations: Reduces dependencies and compilation work by only declaring types when necessary.
- Guard Conditions: Prevents multiple inclusion of header files, eliminating unnecessary recompilations.
- Reduce Interdependency: Code with less interdependency reduces compilation dependencies and minimizes recompilation time.
Compiler Options
- Precompiled Headers: Caches shared header content, reducing recompilation overhead for multiple files.
- Parallelism: Utilizes multiple CPUs or cores for faster compilation.
- Lower Optimization Level: Decreases optimization efforts, reducing compilation time.
- Shared Libraries: Isolates less frequently modified code in libraries, reducing linking and compilation time.
Hardware Optimization
- Faster Computer: More RAM, faster storage, and increased processor speed enhance compilation performance.
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