bug#41200: Displaying a tooltip with x-show-tip gets very slow as more faces are defined

[Eli Zaretskii]

> Cc: 41200@debbugs.gnu.org, juri@linkov.net
> From: Clément Pit-Claudel <cpitclaudel@gmail.com>
> Date: Fri, 15 May 2020 15:23:00 -0400
> 
> >>> What is the default size of a hash-table?
> >>
> >> 65 entries, I think.
> > 
> > The number of basic faces is just 18.  Is 65 a good initial size for
> > that?
> 
> I think that map stores more than just the basic faces: in fact, $ emacs -Q 
> --batch --eval '(print (length (frame-face-alist)))' prints 100, so maybe I 
> should even make the map larger by default?

We are miscommunicating.  I was talking about the size before loadup,
i.e. in temacs when it starts up.  Later, when we load preloaded
packages, the size should grow, but the hash-table takes care of that
by itself, doesn't it?