I got a huge C++ third-party project with set of project in one solution. So build time is rather long and Browse Information generation takes a lot too. So what is the pur
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Select Generate Browse Info under the C/C++ project settings tab, for any source-files that you want to be included. This is very useful for searching for function definitions and declarations - just right-click a function / variable and select "Goto Definition Of..." and the IDE will take you straight there.
You will lose some ability to easily navigate your code. This may matter a lot in a very large code base. I know that without it and tools like Visual Assist X, I would be lost. Still, Visual Studio has a very efficient find-in-files operation that cannot be completely replaced with browsing tools.