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Re: Indentation and gc
From: |
Ihor Radchenko |
Subject: |
Re: Indentation and gc |
Date: |
Wed, 15 Mar 2023 10:29:51 +0000 |
Eli Zaretskii <eliz@gnu.org> writes:
>> At least, it can indirectly demonstrate the impact of GC threshold onto
>> Emacs memory footprint. I guess it is what we worry about at the end.
>> Or does the fragmentation cause other severe effects in addition to
>> higher memory usage?
>
> _Real_ memory fragmentation, if it happens in Emacs, should cause the
> memory footprint grow all the time without leveling out, and
> malloc-info should then show that most of the memory is in small
> chunks that cannot be spliced together.
>
> However, I have yet to see a platform where Emacs causes memory
> fragmentation. Where the system malloc cannot be trusted, we use
> gmalloc (and in the past used ralloc). Most modern platforms have
> reliable malloc these days (the single known exception is MSDOS), so
> this problem largely doesn't exist.
In other words, we should not worry about gc-cons-threshold causing
_real_ memory fragmentation. Just about increasing the memory footprint.
--
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
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- Re: Indentation and gc, (continued)
- Re: Indentation and gc, Ihor Radchenko, 2023/03/13
- Re: Indentation and gc, Eli Zaretskii, 2023/03/13
- Re: Indentation and gc, Ihor Radchenko, 2023/03/13
- Re: Indentation and gc, Eli Zaretskii, 2023/03/13
- Re: Indentation and gc, Ihor Radchenko, 2023/03/13
- Re: Indentation and gc, Eli Zaretskii, 2023/03/13
- Re: Indentation and gc, Ihor Radchenko, 2023/03/14
- Re: Indentation and gc, Eli Zaretskii, 2023/03/14
- Re: Indentation and gc,
Ihor Radchenko <=
- Re: Indentation and gc, Eli Zaretskii, 2023/03/13
- Re: Indentation and gc, Ihor Radchenko, 2023/03/14
- Re: Indentation and gc, Ihor Radchenko, 2023/03/11
- Re: Indentation and gc, Ergus, 2023/03/11
- Re: Indentation and gc, Ihor Radchenko, 2023/03/11
- Re: Indentation and gc, Eli Zaretskii, 2023/03/11
- Re: Indentation and gc, Ihor Radchenko, 2023/03/11
- Re: Indentation and gc, Eli Zaretskii, 2023/03/11
- Re: Indentation and gc, Ihor Radchenko, 2023/03/11
- Re: Indentation and gc, Dr. Arne Babenhauserheide, 2023/03/11