Le dim. 19 janv. 2020 à 16:28, Eli Zaretskii <
address@hidden> a écrit :
> From: Fabrice Popineau <address@hidden>
> Date: Sun, 19 Jan 2020 15:24:19 +0100
> Cc: Emacs developers <address@hidden>
>
> > .... scrolling through an elisp buffer: I started the timer by hand and
> > scrolled down for 1000 lines ....
>
> How, exactly, did you do the scrolling? How did you stop the scrolling
> at 1000 lines? Do you get this slowness on any elisp buffer, or is it a
> particular one?
>
> I used my phone timer. It was my init.el file but I get the same result with dired.el
You didn't answer the question about the exact way of scrolling you
used.
C-n or down arrow
Also, did you measure the CPU time it took, out of those 35 sec? (I
assume the time you measured was elapsed time, yes?)
> > .... and it took 45s on Windows/WSL and 35s on Windows/native.
>
> That is slow indeed.
>
> Definitely.
Not necessarily. The elapsed time has little to do with the speed we
scroll.
We could expect emacs to be a little bit more reactive here.
Fabrice