c++ - What compile speed improvement can I expect with modules in Visual Studio 2015 -

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visual studio 2015 supports modules. i'm excited feature, , although know has important implications on , above build time, that's interest right now. i'm thinking of larger code bases of order of half million lines of code or more, have lot of #includes in header files.

my previous approach have been manually or automatically remove unnecessary includes in favor of forward declarations, etc, , use precompiled headers. result typically significant improvement in build times, memory of order of 2-3 times. seems should consider using modules, might lot less effort , deliver arguably better engineered , more future-proof solution.

can comment potential effect on compile speed of going down module route instead, larger code bases measured in 100s of thousands or millions of lines of code?


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