It’s worth noting that Emacs’ built in lisp libraries are sort-of aot compiled: Emacs loads all the Lisp into memory, evaluating some initialisation stuff, then

It’s worth noting that Emacs’ built in lisp libraries are sort-of aot compiled: Emacs loads all the Lisp into memory, evaluating some initialisation stuff, then it does a gc, then it does a very scary “unexec” operation which has been in the source for around 30 years with most people so scared of the function that they only poke at it enough to make it just-about work. The function takes the current contents of memory and produces an ELF from it which will start up with the lisp libraries already loaded into memory.