Sorry for the delay. That is awesome Christoffe! I've turned off /Gm for all my projects and my state machine now compiles in the 6-sec range, and Incredibuild is able to keep the entire compile farm running at capacity. You shaved >30% off my full build times.

Great :) In case your state machines grow bigger, you can also give a try with the "faster compile" policy which I will further improve after inclusion. I think we should make /Gm a forbidden option. I will of course write about it in MSM's doc but it would be interesting to see which libraries also profit from disabling this option and we could add the tip to their doc too. Christophe