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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: sbaugh@catern.com, emacs-devel@gnu.org
Subject: Re: [PATCH v2 3/3] Start opportunistic GC timer at startup
Date: Sat, 05 Dec 2020 09:41:13 -0500	[thread overview]
Message-ID: <jwvpn3oe2qn.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <835z5gcout.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 05 Dec 2020 16:24:42 +0200")

>> > My point is that commands are separate from redisplay in Emacs, and
>> > there's a lot of GC that's unfortunately goes on as part of, or
>> > immediately after, a redisplay cycle in latest versions of Emacs.
>> Indeed (tho I don't understand why you say "or immediately after").
> Simply because I don't know whether GC happens while redisplay runs,
> or the first time we call eval/funcall/whatever that checks whether GC
> is due.  What I see is frequent GCs "about the same time" as
> redisplay, and I never bothered finding out whether it's actually
> inside the call to redisplay_internal.

Ah, right, I misread "allocation" where you wrote "GC".

The redisplay can cause a lot of allocation (usually via jit-lock) which
in turn can trigger GC either during redisplay or very soon
after, indeed.


        Stefan




  reply	other threads:[~2020-12-05 14:41 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Message-ID: <jwv1rgtjhhy.fsf-monnier+emacs@gnu.org>
2020-11-18  0:20 ` Eager garbage collection Spencer Baugh
2020-11-18  0:20   ` [PATCH 1/3] Add gc-estimated-time variable Spencer Baugh
2020-11-18 17:45     ` Eli Zaretskii
2020-11-18  0:20   ` [PATCH 2/3] Add garbage-collect-maybe function Spencer Baugh
2020-11-18 17:49     ` Eli Zaretskii
2020-11-18  0:20   ` [PATCH 3/3] Start opportunistic GC timer at startup Spencer Baugh
2020-11-18 17:54     ` Eli Zaretskii
2020-11-18  3:45   ` Eager garbage collection Stefan Monnier
2020-11-18  4:05     ` Spencer Baugh
2020-11-18  4:48       ` Stefan Monnier
2020-11-18  8:02   ` Andrea Corallo via Emacs development discussions.
2020-11-18 15:06     ` Eli Zaretskii
2020-11-18 15:30       ` Andrea Corallo via Emacs development discussions.
2020-11-18 17:19         ` Eli Zaretskii
2020-11-18 17:26           ` Andrea Corallo via Emacs development discussions.
2020-11-18 18:07             ` Eli Zaretskii
2020-11-18 18:19               ` Andrea Corallo via Emacs development discussions.
2020-11-18 15:19     ` Spencer Baugh
2020-11-18 15:47       ` Andrea Corallo via Emacs development discussions.
2020-11-18 16:52         ` Stefan Monnier
2020-11-18 17:12           ` Andrea Corallo via Emacs development discussions.
2020-11-18 17:34           ` Eli Zaretskii
2020-11-18 18:00   ` Eli Zaretskii
2020-11-22  5:07     ` Spencer Baugh
2020-11-22  5:08       ` [PATCH v2 1/3] Add gc-estimated-time variable Spencer Baugh
2020-11-22 18:10         ` Eli Zaretskii
2020-11-22 19:48           ` Stefan Monnier
2020-11-22  5:08       ` [PATCH v2 2/3] Add garbage-collect-maybe function Spencer Baugh
2020-11-22 18:14         ` Eli Zaretskii
2020-11-22  5:08       ` [PATCH v2 3/3] Start opportunistic GC timer at startup Spencer Baugh
2020-12-04 23:19         ` Stefan Monnier
2020-12-05  7:52           ` Eli Zaretskii
2020-12-05 13:55             ` Stefan Monnier
2020-12-05 14:24               ` Eli Zaretskii
2020-12-05 14:41                 ` Stefan Monnier [this message]
2020-11-22 15:13       ` Eager garbage collection Eli Zaretskii
2020-11-16  4:11 sbaugh
2020-11-16 15:07 ` Stefan Monnier
2020-11-16 16:34   ` Eli Zaretskii
2020-11-16 18:37     ` Stefan Monnier
2020-11-18 18:00     ` yyoncho
2020-11-18 18:16       ` Eli Zaretskii
2020-11-18 21:37         ` Stefan Monnier
2020-11-18 21:59           ` Stefan Monnier

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