Quoth myself on Nov 10 at 11:53 pm: > Quoth Pieter Praet on Nov 11 at 4:04 am: > > I've tried getting some hard numbers using > > > > #+begin_src sh > > time emacs --eval '(progn > > (notmuch) > > (notmuch-search "*") > > (while (get-buffer-process (current-buffer)) > > (sleep-for 0.1)) > > (kill-emacs))' > > #+end_src > > > > ... but the results vary wildly on subsequent runs. > > For me, this doesn't actually display the results buffer (though I > don't know why not), which means it won't test this, since the problem > lies in the Emacs redisplay logic. This may or may not actually be correct, but the following seems more representative on my system: time emacs --eval '(progn (notmuch) (notmuch-search "*") (while (get-buffer-process (current-buffer)) (redisplay) (sleep-for 0.1)) (kill-emacs))' This at least displays the buffer. I also tried (accept-process-output) instead of the (sleep-for 0.1), which clearly behaved differently, but gave only slightly higher numbers. If I timed just the search part, to exclude emacs start-up, I would have a better idea of which more closely matches my manual measurements.