GNU bug report logs - #15876
24.3.50; Highly degraded performance between rev 114715 and 115006

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Message #149 received at 15876 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Antipov <dmantipov <at> yandex.ru>
To: Eli Zaretskii <eliz <at> gnu.org>, Jan Djärv
 <jan.h.d <at> swipnet.se>
Cc: sva-news <at> mygooglest.com, 15876 <at> debbugs.gnu.org
Subject: Re: bug#15876: 24.3.50; Highly degraded performance between rev 114715
 and 115006
Date: Fri, 13 Dec 2013 20:12:59 +0400

On 12/13/2013 07:22 PM, Eli Zaretskii wrote:

> So let me turn the table and ask what do we gain by this compaction?
> The original motivation was here:
>
>    http://lists.gnu.org/archive/html/emacs-devel/2013-10/msg00740.html
>
> but it was mainly about not releasing the fonts.  With the current
> trunk, if I run that bloat-font function, after disabling the
> compaction code, I see only a small increase in the memory footprint,
> something like 30MB, at least on Windows.  Do you see something
> different on X?

In that e-mail, I reported about ~360M RSS usage reduced to ~150M.
In http://lists.gnu.org/archive/html/emacs-devel/2013-10/msg00750.html,
Stefan has confirmed ~300M RSS usage.  Although things like bloat-font
aren't typical use cases, holding ~200M which we can't reuse is worth
trying to fix, IMHO.

Dmitry

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