bug#64735: 29.0.92; find invocations are ~15x slower because of ignores

[Dmitry Gutov]

On 23/07/2023 21:21, Eli Zaretskii wrote:
> > Date: Sun, 23 Jul 2023 20:58:24 +0300
> > Cc: luangruo@yahoo.com, sbaugh@janestreet.com, yantar92@posteo.net,
> >   64735@debbugs.gnu.org
> > From: Dmitry Gutov <dmitry@gutov.dev>
> >
> > A possible advantage of doing it earlier, is that if filtering happens
> > in C code you could do it before allocating Lisp strings
>
> That's not what happens today.  And it isn't easy to do what you
> suggest, since the file names we get from the C APIs need to be
> decoded, and that is awkward at best with C strings.

It is what happens today when 'find' is used, though.

Far be it from me to insist, though, but if we indeed reimplemented all 
the good parts of 'find', that would make the new function a suitable 
replacement/improvement, at least on local hosts (instead of it just 
being used as a fallback).