From: Eli Zaretskii <eliz@gnu.org>
To: Robert Boyer <robertstephenboyer@gmail.com>
Cc: 69480@debbugs.gnu.org
Subject: bug#69480: Emacs Lisp needs, for its great 'native-compile', 'declare' and 'the' for fixnums and arrays.
Date: Thu, 29 Feb 2024 22:10:27 +0200 [thread overview]
Message-ID: <86edcvrpzg.fsf@gnu.org> (raw)
In-Reply-To: <CAP9n0TMfsKdJPKbu7fu1J98ZQWw8xwX+q=EX4F=XgQqhsv3zog@mail.gmail.com> (message from Robert Boyer on Thu, 29 Feb 2024 13:40:14 -0600)
> From: Robert Boyer <robertstephenboyer@gmail.com>
> Date: Thu, 29 Feb 2024 13:40:14 -0600
>
> Consider this form:
>
> (progn (emacs-lisp-native-compile-and-load) (benchmark (build-sieve (expt 10 8)) 1))
>
> First of all, 'benchmark' has an obvious bug because it reports a time of
> .000005 seconds.
You use benchmark incorrectly. And you should use benchmark-run
instead, anyway.
> After finding the file eratosthenese.el, the evaluation of the form above
> takes 69 seconds in Emacs.
>
> After entering SBCL and loading eratosthenese.lisp, (build-sieve (expt 10 8))
> takes 8 seconds.
It takes 16.7 sec on my system.
I see no bug here, native-compiled Emacs Lisp will never be able to
produce performance similar to SBCL, not the way native compilation is
implemented in Emacs.
next prev parent reply other threads:[~2024-02-29 20:10 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-29 19:40 bug#69480: Emacs Lisp needs, for its great 'native-compile', 'declare' and 'the' for fixnums and arrays Robert Boyer
2024-02-29 20:10 ` Eli Zaretskii [this message]
2024-02-29 20:54 ` Robert Boyer
2024-02-29 22:10 ` Michael Heerdegen via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-01 6:45 ` Eli Zaretskii
2024-02-29 21:04 ` Robert Boyer
2024-03-01 11:28 ` Stephen Berman via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-01 12:18 ` Andrea Corallo
2024-03-01 12:33 ` Stephen Berman via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-01 12:45 ` Eli Zaretskii
2024-03-01 13:07 ` Stephen Berman via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-01 13:41 ` Eli Zaretskii
2024-03-01 13:53 ` Stephen Berman via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-01 14:07 ` Andrea Corallo
2024-03-01 14:35 ` Stephen Berman via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-01 16:10 ` Andrea Corallo
2024-03-01 19:36 ` Stephen Berman via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-01 16:34 ` Eli Zaretskii
2024-03-01 19:36 ` Stephen Berman via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-01 12:40 ` Eli Zaretskii
2024-03-01 12:34 ` Eli Zaretskii
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