bug#32729: Xemacs 23 times as fast as GNU Emacs

[Eli Zaretskii]

> From: "Benninghofen, Benjamin Dr." <benjamin.benninghofen@airbus.com>
> CC: "layer@franz.com" <layer@franz.com>, "32729@debbugs.gnu.org"
>       <32729@debbugs.gnu.org>, "32728@debbugs.gnu.org" <32728@debbugs.gnu.org>
> Date: Fri, 25 Oct 2019 06:38:16 +0000
> 
> For me your discussion about the performance problem appears very theoretical.

I don't think it was theoretical.  It was an attempt to identify which
factor(s) affect(s) this issue, so that further investigation could be
more focused.

> Why do you not just compare the relevant GNU Emacs Source Code with the 
> Xemacs Source Code?

Did you try doing that?  Every time I did I found that the code is so
different that any comparison is very hard at best, and usually simply
meaningless.