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From: martin rudalics <rudalics@gmx.at>
To: Pip Cet <pipcet@gmail.com>
Cc: eliz@gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>,
	emacs-devel@gnu.org
Subject: Re: Opportunistic GC
Date: Mon, 8 Mar 2021 10:51:20 +0100	[thread overview]
Message-ID: <26ff7447-9c29-a2f2-bf3d-9eac20a95d0f@gmx.at> (raw)
In-Reply-To: <CAOqdjBe8fC1ZSsKmrrrgvX+iDpzCig4zqu83DLKmE2MOekJSQQ@mail.gmail.com>

 > We fork(), we don't clone(). If A exists at the time of fork() but
 > isn't reachable through the thread's stack, that's a bug anyway; if it
 > doesn't exist yet at the time of fork(), it's not collected in this
 > cycle.

I have no idea what the difference between fork and clone implies here.

IIUC you have to make a copy of Lisp thread and heap, have the collector
operate on the copies and, when done, pass the now unmarked objects to
the Lisp thread for recycling in the original heap.  IIUC that doubles
the size needed for heap and stack.  And short-lived objects have to
wait for the next cycle to get recovered.  Or what am I missing?

martin



  reply	other threads:[~2021-03-08  9:51 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 [this message]
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
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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