On Wed, Apr 27, 2011 at 7:34 PM, richard Cavell <richardcavell@xxxxxxxx> wrote: > Hi everyone. > > For manageability, I have broken up one source file that was 1500 lines long into several that are each a couple of hundred lines long. Now my executable is bigger. In order to make it work I had to take some functions that were static and make them non-static (and extern them in a .h file). It is obvious that the compiler is no longer able to optimize as much. > > Does anyone have any ideas on how to get decent optimization where a function is calling a function in a different translation unit? > > Richard > You should look into link-time optimization (LTO). I think this is supported in the more recent versions of gcc. Brian
