bug#66117: 30.0.50; `find-buffer-visiting' is slow when opening large number of buffers

[Ihor Radchenko]

Eli Zaretskii <eliz@gnu.org> writes:

>> > My advice is to have a prototype working, then time it on local
>> > filesystems.
>> 
>> See the attached patch.
>
> What do we want to do with this? any reasons not to install this on
> master (and close this bug then)?

I thought that it is already installed...

I do not think that we should close the bug even after installing the
patch for `find-buffer-visiting'.

What I had in mind wrt improving `find-buffer-visiting' performance is:

1. Improve the Elisp part (this patch)
2. Improve case-fold-search binding, which will give another speedup
   (another patch I submitted)
3. Optionally add tests
4. Address the scenario Dmitry described in 
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=66117#91

-- 
Ihor Radchenko // yantar92,
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