Funnily enough, this topic was all they asked in one of the job interviews I had when I was younger.. they shared a bunch of sources files and asked me where/wh

Funnily enough, this topic was all they asked in one of the job interviews I had when I was younger.. they shared a bunch of sources files and asked me where/what I could do to improve the compilation speeds. I didn't realize how big the impact of these little changes were (only include what you use, forward declare as much as you can, PIMPL etc..) until I worked on a large codebase in that company.