From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: Dmitry Antipov <dmantipov@yandex.ru>
Cc: emacs-devel@gnu.org
Subject: Re: [Emacs-diffs] /srv/bzr/emacs/trunk r109187: Adjust consing_since_gc when objects are explicitly freed.
Date: Wed, 25 Jul 2012 19:47:24 -0400 [thread overview]
Message-ID: <jwvipdbcslj.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <500FC2AF.9080300@yandex.ru> (Dmitry Antipov's message of "Wed, 25 Jul 2012 13:55:59 +0400")
> For xdisp.c, the original results are 600 GCs and 32.65 seconds.
> When free_cons and free_misc subtracts from consing_since_gc,
> and save_restriction_restore frees it's data explicitly, results
> are 560 GCs and 31.95 seconds.
> Of course, explicit free in save_restriction_restore makes no sense
> if we fool GC with consing_since_gc: 600 GCs and 32.95 seconds.
I see. I didn't expect that reducing memory use would be so
little difference. Thanks for giving the details.
> I don't understand why we're still wast^W^Wspending our time with
> such a simple and almost obvious thing.
Because it went against my intuition.
Stefan
next prev parent reply other threads:[~2012-07-25 23:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <E1SsxuH-00048I-6E@vcs.savannah.gnu.org>
2012-07-23 8:58 ` [Emacs-diffs] /srv/bzr/emacs/trunk r109187: Adjust consing_since_gc when objects are explicitly freed Stefan Monnier
2012-07-23 9:26 ` Dmitry Antipov
2012-07-23 10:06 ` Stefan Monnier
2012-07-23 11:34 ` Dmitry Antipov
2012-07-23 23:11 ` Stefan Monnier
2012-07-24 4:30 ` Dmitry Antipov
2012-07-24 9:11 ` Stefan Monnier
2012-07-24 11:53 ` Dmitry Antipov
2012-07-24 21:59 ` Stefan Monnier
2012-07-25 9:55 ` Dmitry Antipov
2012-07-25 23:47 ` Stefan Monnier [this message]
2012-07-23 11:10 ` Stephen J. Turnbull
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