GNU bug report logs - #42147
28.0.50; pure vs side-effect-free, missing optimizations?

Previous Next

Package: emacs;

Reported by: Andrea Corallo <andrea_corallo <at> yahoo.it>

Date: Tue, 30 Jun 2020 22:28:02 UTC

Severity: normal

Found in version 28.0.50

Done: Mattias Engdegård <mattiase <at> acm.org>

Bug is archived. No further changes may be made.

Full log

Message #56 received at 42147 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>,
 Mattias Engdegård <mattiase <at> acm.org>
Cc: Andrea Corallo <andrea_corallo <at> yahoo.it>, 42147 <at> debbugs.gnu.org
Subject: Re: bug#42147: 28.0.50; pure vs side-effect-free, missing
 optimizations?
Date: Thu, 2 Jul 2020 13:09:37 -0700

On 7/2/20 12:38 PM, Stefan Monnier wrote:
> Note that it can also be done without slowing down `eq` (by
> hash-consing the bignums).

Yes, that's a better way to go. I wrote a patch to do that a while ago but never
got around to the laborious part, which was benchmarking.
This bug report was last modified 4 years and 282 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.