GNU bug report logs - #51692
29.0.50; High CPU in c++ mode. Type finder?

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Package: emacs;

Reported by: David Koppelman <koppel <at> ece.lsu.edu>

Date: Mon, 8 Nov 2021 19:01:02 UTC

Severity: normal

Tags: confirmed, moreinfo

Merged with 51631

Found in version 29.0.50

Done: Alan Mackenzie <acm <at> muc.de>

Bug is archived. No further changes may be made.

Full log

Message #8 received at 51692 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: David Koppelman <koppel <at> ece.lsu.edu>
Cc: Alan Mackenzie <acm <at> muc.de>, 51692 <at> debbugs.gnu.org
Subject: Re: bug#51692: 29.0.50; High CPU in c++ mode. Type finder?
Date: Tue, 09 Nov 2021 05:11:20 +0100

David Koppelman <koppel <at> ece.lsu.edu> writes:

> Load the attached file into a buffer:
>
> ./src/emacs --no-init d.cc
>
> Emacs will use 100% CPU on a core while the buffer is visible. CPU usage
> goes to normal when switching to another buffer. The attached file is a
> reduced version of a much larger file. (The larger file experiences the
> high CPU usage only while a certain portion of the code is visible.)

I can reproduce this problem on the trunk; Alan added to the CCs.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
This bug report was last modified 3 years and 194 days ago.

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