This video shows a million lines of code in five seconds: https://www.youtube.com/watch?v=Yq2mNUzcpE0

That is correct. My "apps" are really just small utilities, and the compile times are about 1s or a little less on my older i7 with spinning rust.

It's instantaneous for large projects. Literally I've compiled fairly large Delphi projects in the time it takes a Python interpreter to start.