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View Thread: is managed code faster than native?
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    Ion Todirel

    , Sven Groot wrote


    There are several reasons for this. Most importantly, C++ is a far more complex language (grammar wise) than C# so it takes longer to parse (particularly thanks to templates, which are a Turing-complete compile-time language), and the C++ compiler performs far more extensive optimizations (in the .Net world, most optimizations are performed by the JIT, so the work of the C# compiler is relatively light).

    Based on research made by folk at the LLVM, it seems that the include system is the main offender, with modules they proved the the compilation time can be greatly reduced. The include system is flexible, and for any project you could probably find the optimal structure that yields the optimal compilation times, but not without sacrificing maintainability and readability.