GNU bug report logs - #32728
Emacs slow when reading process output

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Package: emacs;

Reported by: "Benninghofen, Benjamin Dr." <benjamin.benninghofen <at> airbus.com>

Date: Thu, 13 Sep 2018 15:14:02 UTC

Severity: normal

Merged with 32729

Full log

Message #54 received at 32728 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: layer <at> franz.com, benjamin.benninghofen <at> airbus.com, 32729 <at> debbugs.gnu.org,
 32728 <at> debbugs.gnu.org
Subject: Re: bug#32729: Xemacs 23 times as fast as GNU Emacs
Date: Mon, 14 Oct 2019 13:18:30 +0300

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Cc: layer <at> franz.com,  32729 <at> debbugs.gnu.org,
>   benjamin.benninghofen <at> airbus.com,  32728 <at> debbugs.gnu.org
> Date: Mon, 14 Oct 2019 10:54:25 +0200
> 
> So what makes start-process 10x slower than call-process?

The fact that it goes through pselect, and only accepts the process
output when Emacs is idle?

> this obviously requires a more in-depth dive into process.c.

Agreed.
This bug report was last modified 5 years and 300 days ago.

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