From: Eli Zaretskii <eliz@gnu.org>
To: Pip Cet <pipcet@gmail.com>
Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org
Subject: Re: Opportunistic GC
Date: Tue, 09 Mar 2021 15:01:36 +0200 [thread overview]
Message-ID: <83a6rcqy4v.fsf@gnu.org> (raw)
In-Reply-To: <CAOqdjBfYVisDn63R1SnQzcGUgP8R3UV6SkyR20Y-taiRb=2=OQ@mail.gmail.com> (message from Pip Cet on Mon, 8 Mar 2021 14:57:06 +0000)
> From: Pip Cet <pipcet@gmail.com>
> Date: Mon, 8 Mar 2021 14:57:06 +0000
> Cc: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
>
> > What happens when, on a 8GB machine, we have an Emacs session with a
> > 5GB memory footprint, and you fork and start marking (which triggers
> > copy-on-write)?
>
> That is, indeed, one of the cases in which we have to use the
> synchronous GC or suffer the consequences.
How do we know if/when we are in that case? Because if we err, we
have a meeting with the OOM killer and a swift death.
> > Also, I quite frequently need to run Emacs on a system where I'm
> > forbidden to run more than 2 processes simultaneously ("make -j3"
> > aborts with an error message), and you propose to take those two
> > processes with 2 copies of Emacs?
>
> That is, indeed, one of the cases in which we have to use synchronous GC.
Again, how do we know we are in that case?
next prev parent reply other threads:[~2021-03-09 13:01 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-08 3:35 Opportunistic GC Stefan Monnier
2021-03-08 7:20 ` Pip Cet
2021-03-08 8:26 ` martin rudalics
2021-03-08 9:02 ` Pip Cet
2021-03-08 9:51 ` martin rudalics
2021-03-08 10:44 ` Pip Cet
2021-03-08 11:37 ` martin rudalics
2021-03-08 12:27 ` Pip Cet
2021-03-08 18:06 ` martin rudalics
2021-03-08 18:24 ` Concurrent GC via fork (was: Opportunistic GC) Stefan Monnier
2021-03-09 8:10 ` Concurrent GC via fork martin rudalics
2021-03-10 20:35 ` Opportunistic GC Pip Cet
2021-03-08 11:38 ` Stefan Kangas
2021-03-08 12:55 ` Pip Cet
2021-03-08 14:06 ` Andrea Corallo via Emacs development discussions.
2021-03-08 14:49 ` Eli Zaretskii
2021-03-08 15:02 ` Pip Cet
2021-03-08 15:23 ` Eli Zaretskii
2021-03-08 15:39 ` Pip Cet
2021-03-08 16:27 ` Eli Zaretskii
2021-03-08 16:35 ` Pip Cet
2021-03-08 17:06 ` Eli Zaretskii
2021-03-08 15:46 ` Stefan Monnier
2021-03-08 16:11 ` Pip Cet
2021-03-08 16:37 ` Stefan Monnier
2021-03-08 14:01 ` Andrea Corallo via Emacs development discussions.
2021-03-08 15:04 ` Pip Cet
2021-03-08 15:50 ` Stefan Monnier
2021-03-08 15:52 ` Andrea Corallo via Emacs development discussions.
2021-03-08 16:14 ` Philipp Stephani
2021-03-08 16:18 ` Andrea Corallo via Emacs development discussions.
2021-03-08 16:40 ` Philipp Stephani
2021-03-08 16:44 ` Stefan Monnier
2021-03-08 17:13 ` Eli Zaretskii
2021-03-10 20:25 ` Pip Cet
2021-03-10 20:48 ` Eli Zaretskii
2021-03-11 7:55 ` Pip Cet
2021-03-11 8:37 ` Eli Zaretskii
2021-03-11 9:03 ` Pip Cet
2021-03-11 9:34 ` Eli Zaretskii
2021-03-11 10:11 ` Pip Cet
2021-03-11 11:35 ` Eli Zaretskii
2021-03-09 6:22 ` Richard Stallman
2021-03-09 8:11 ` Pip Cet
2021-03-10 5:52 ` Richard Stallman
2021-03-08 14:45 ` Eli Zaretskii
2021-03-08 14:57 ` Pip Cet
2021-03-08 15:16 ` Eli Zaretskii
2021-03-09 13:01 ` Eli Zaretskii [this message]
2021-03-10 20:21 ` Pip Cet
2021-03-10 20:41 ` Eli Zaretskii
2021-03-11 8:06 ` Pip Cet
2021-03-11 9:03 ` Eli Zaretskii
2021-03-08 16:03 ` Concurrent GC via `fork` (was: Opportunistic GC) Stefan Monnier
2021-03-08 16:25 ` Pip Cet
2021-03-08 17:37 ` Concurrent GC via `fork` Stefan Monnier
2021-03-08 19:21 ` Lars Ingebrigtsen
2021-03-10 17:18 ` Opportunistic GC Matt Armstrong
2021-03-10 19:38 ` Pip Cet
2022-07-05 1:47 ` Stefan Monnier
2022-07-05 13:49 ` T.V Raman
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