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Showing content from https://lists.gnu.org/archive/html/bug-gnu-emacs/2023-07/msg01404.html below:

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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] From: Ihor Radchenko Subject: bug#64735: 29.0.92; find invocations are ~15x slower because of ignores Date: Fri, 21 Jul 2023 16:43:31 +0000 
Eli Zaretskii <eliz@gnu.org> writes:

> Disabling file-name-handlers is the wrong way to solve these
> performance problems.

We are in agreement here.
Note that I am talking about optimization.
And Michael proposed to provide a way for disabling only the
tramp-related handlers, when it is appropriate.

>> I am pretty sure that file name handlers are checked behind the scenes
>> by many other common operations.
>
> I'm pretty sure they aren't.  But every file-related primitive calls
> expand-file-name (it must, by virtue of the Emacs paradigm whereby
> each buffer "lives" in a different directory), and that's what you
> see, by and large.

The end result is the same - file handlers are searched very frequently
any time Emacs file API is used.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

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