Re: emacs rendering comparisson between emacs23 and emacs26.3

[Dmitry Gutov]

On 08.04.2020 11:36, martin rudalics wrote:
> I don't use JS so I have no idea how to experiment with it.  Scrolling a
> large Elisp file never locks down Emacs.

OK, thanks. That does point to CC Mode, rather than some general display 
engine problems.

> But note that the problem with
> scrolling happens already with dispextern.h whose size is about a tenth
> of that of xdisp.c.

Yeah, scrolling performance shouldn't be affected by the size of the 
file anyway. It's only editing performance that could.