> I used
> [the macro posted here](
> https://stackoverflow.com/questions/23622296/emacs-timing-execution-of-function-calls-in-emacs-lisp
> )
> to time it. I would vote for adding that macro to Emacs b.t.w., if there is
> not
> some hidden alternative command already.
`benchmark-call` or `benchmark-elapse` should do the trick.
Stefan