GNU bug report logs - #66288
29.1; Performance regression using pipe for subprocess

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Package: emacs;

Reported by: Chris Hanson <cph <at> chris-hanson.org>

Date: Sun, 1 Oct 2023 00:59:02 UTC

Severity: normal

Found in version 29.1

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Dmitry Gutov <dmitry <at> gutov.dev>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>, Chris Hanson <cph <at> chris-hanson.org>
Cc: 66288 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: bug#66288: 29.1; Performance regression using pipe for subprocess
Date: Mon, 2 Oct 2023 22:27:04 +0300

On 02/10/2023 22:12, Gerd Möllmann wrote:
> Chris Hanson<cph <at> chris-hanson.org>  writes:
> 
> FWIW, I can't reproduce the slowdown on macOS.  I get the
> 
>> ;process time: 0 (0 RUN + 0 GC); real time: 1
> on the emacs-29 branch with emacs-29.1 and HEAD (same on master).

Curious: I reproduced it once (master, an older session), but then not 
anymore, all subsequent attempts look fine/instant.

That's with MIT Scheme 11.2, though (the output is a little different, 
chiefly the list of bindings at the top).
This bug report was last modified 1 year and 229 days ago.

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