From: Eli Zaretskii <eliz@gnu.org>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: fabrice.popineau@gmail.com, emacs-devel@gnu.org
Subject: Re: GC and stack marking
Date: Mon, 19 May 2014 23:03:22 +0300 [thread overview]
Message-ID: <83ppj9bkol.fsf@gnu.org> (raw)
In-Reply-To: <537A626A.5060506@cs.ucla.edu>
> Date: Mon, 19 May 2014 12:58:34 -0700
> From: Paul Eggert <eggert@cs.ucla.edu>
> CC: emacs-devel@gnu.org, fabrice.popineau@gmail.com
>
> On 05/19/2014 12:14 PM, Eli Zaretskii wrote:
> >> >
> >> >We could have the garbage collector treat purify-flag specially, I suppose.
> > I'm not sure I understand the suggestion. Can you elaborate?
>
> I was thinking of a horrible hack where the GC knows about purify-flag,
> so that when you set purify-flag to nil the GCC immediately frees the
> object that purify-flag used to contain, and that we make purify-flag
> special in this way.
Right, but that would only work for that single object. The problem,
by contrast, sounds more general than that.
> Maybe we should get rid of the hash-table purify-flag hack, for
> example.
Maybe, I'm not sure I fully understand its purpose to begin with
(speed of finding objects?). There's a comment by Stefan there saying
something about some savings.
next prev parent reply other threads:[~2014-05-19 20:03 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-19 16:31 GC and stack marking Eli Zaretskii
2014-05-19 18:47 ` Paul Eggert
2014-05-19 19:14 ` Eli Zaretskii
2014-05-19 19:58 ` Paul Eggert
2014-05-19 20:03 ` Eli Zaretskii [this message]
2014-05-19 20:17 ` Paul Eggert
2014-05-20 16:37 ` Eli Zaretskii
2014-05-20 13:44 ` Stefan Monnier
2014-05-20 16:57 ` Eli Zaretskii
2014-05-20 17:54 ` Stefan Monnier
2014-05-20 19:28 ` Eli Zaretskii
2014-05-20 22:01 ` Stefan Monnier
2014-05-21 2:48 ` Eli Zaretskii
2014-05-21 3:01 ` Stefan Monnier
2014-05-21 15:39 ` Eli Zaretskii
2014-05-21 15:57 ` Dmitry Antipov
2014-05-21 16:06 ` Dmitry Antipov
2014-05-21 16:55 ` Eli Zaretskii
2014-05-21 16:53 ` Eli Zaretskii
2014-05-21 17:40 ` Stefan Monnier
2014-05-21 17:58 ` Eli Zaretskii
2014-05-22 15:20 ` Eli Zaretskii
2014-05-22 16:14 ` Stefan Monnier
2014-05-24 12:03 ` Eli Zaretskii
2014-05-20 19:12 ` Daniel Colascione
2014-05-20 19:43 ` Eli Zaretskii
2014-05-20 22:03 ` Stefan Monnier
2014-05-21 2:51 ` Eli Zaretskii
2014-05-31 6:31 ` Florian Weimer
2014-05-31 14:24 ` Stefan Monnier
-- strict thread matches above, loose matches on Subject: below --
2014-05-21 19:31 Barry OReilly
2014-05-21 20:13 ` Eli Zaretskii
2014-05-21 20:49 ` Barry OReilly
2014-05-22 2:43 ` Eli Zaretskii
2014-05-22 3:12 ` Daniel Colascione
2014-05-22 5:37 ` David Kastrup
2014-05-22 13:57 ` Stefan Monnier
2014-05-22 15:49 ` Eli Zaretskii
2014-05-22 14:59 ` Barry OReilly
2014-05-22 17:03 ` Eli Zaretskii
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