c++ - How to reduce compilation time with Boost MSM -

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I have root state machine which nearly 40 transition (including four Subtest machine). All used to work well, but when I begin to increase the compilation time compilation, there is a great increase (the development of the big state machine became hell). I encourage MSM :: :: Back :: divided tried to use favor_compile_time policy and multi-language translation units, but does not impact anyone solve anything about this problem? Boost - 1.53, compiler - Msvisi 2012 processor - Intel i7

"But it is not I think the idea is that the increasing pace of life in sharing the TU / because / you do not always need to re-create the TU will not necessarily clear restructuring quickly.

in fact, , I expected that there would be a slow (non-parallel) construction for more TU, because every ti Ends which can be reduced to the same address for 99% of headers. Pre-compiled headers somewhat.

In this regard, the respective headers ( and Pre-Processor

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