There's no some other branch for IC as far as I'm aware of, and the development seems to have paused for now. So unfortunately you'll probably have to look at other options to speed up the compilation rather than IC, which is still quite far from being complete enough to compile such big projects.
- Slow compilation time in a big project. What branch contains Inc... jmgomez
- Slow compilation time in a big project. What branch contain... Yardanico