Re: Knowing where a function has been used (bis) [Was: Re: Optimising Elisp code]

[Óscar Fuentes]

Barry Margolin <barmar@alum.mit.edu> writes:

> If a function is "insanely long" then inlining will have negligible 
> effect. Funcall overhead is only relevant if the function is really 
> short, so it spends nearly as much time calling the function as doing 
> the actual work of the function, AND you call the function frequently 
> enough that this overhead adds up to something significant.

Inlining is not only about funcall overhead, although most compilers use
code length as the unique heuristic for deciding when to inline a
function.