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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org, Andrea Corallo <akrl@sdf.org>
Subject: Re: On elisp running native
Date: Fri, 29 Nov 2019 10:30:33 -0500	[thread overview]
Message-ID: <jwvzhgezov8.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <83zhgeoh0k.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 29 Nov 2019 17:10:19 +0200")

>> |             | byte-compiled | native-compiled | speed-up |
>> |-------------+---------------+-----------------+----------|
>> | interactive |           27s |             19s |     1.4x |
>> | batch       |           15s |              8s |     1.9x |

So, there's 11s-12s of "interactive cost".

>> To me makes quite sense that in interactive there's less difference
>> cause of the re-display done in C anyway.

I'm not sure what those 11s-12s come from, but I think it's safe to take
the "1.9x" as the more relevant measure in terms of measuring the impact
of native compilation on the speed of bytecomp.el.

> Regardless of the speed-up due to using native code, it sounds strange
> to me that byte-compiling interactively takes twice the time it takes
> non-interactively.  I have hard time convincing myself that redisplay
> has such a profound effect on byte compilation, since byte-compiling a
> file normally yields one or two lines of output, regardless of the
> size of the file being compiled.

I agree it's a bit surprising.  Even it was running in a "large"
interactive session, it could also be due to the time it takes to GC
a larger heap (tho we normally GC such larger heaps proportionally less
often, so that doesn't really explain it either).

But since this is orthogonal to the gccemacs native compilation, maybe
we should move it to a bug report where we can try and investigate it.


        Stefan




  reply	other threads:[~2019-11-29 15:30 UTC|newest]

Thread overview: 210+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-28  6:54 On elisp running native Andrea Corallo
2019-11-28 11:31 ` Óscar Fuentes
2019-11-28 14:07   ` Andrea Corallo
2019-11-28 12:47 ` Lars Ingebrigtsen
2019-11-28 20:15   ` Andrea Corallo
2019-11-29  6:03     ` Lars Brinkhoff
2019-11-28 16:04 ` Stefan Monnier
2019-11-28 17:28   ` Andrea Corallo
2019-11-28 21:06     ` Stefan Monnier
2019-11-28 22:52       ` Andrea Corallo
2019-11-29  0:20       ` Eric Abrahamsen
2019-11-29 14:59       ` Andrea Corallo
2019-11-29 15:10         ` Eli Zaretskii
2019-11-29 15:30           ` Stefan Monnier [this message]
2019-12-01 10:34             ` Andrea Corallo
2019-12-01 15:27               ` Stefan Monnier
2019-11-29 16:43           ` Andrea Corallo
2019-11-29 19:26             ` Eli Zaretskii
2019-11-29 21:18               ` Andrea Corallo
2019-12-08 20:18 ` Andrea Corallo
2019-12-26 13:05   ` Andrea Corallo
2019-12-26 17:30     ` Eli Zaretskii
2019-12-26 18:14       ` Andrea Corallo
2019-12-26 20:37         ` Eli Zaretskii
2019-12-26 22:10           ` Andrea Corallo
2019-12-27  9:12             ` Eli Zaretskii
2019-12-27 10:46               ` Andrea Corallo
2019-12-27 14:03                 ` Eli Zaretskii
2019-12-28  1:17               ` Richard Stallman
2019-12-28  7:50                 ` Eli Zaretskii
2019-12-28  8:17                 ` Andrea Corallo
2019-12-29  0:08                   ` Richard Stallman
2019-12-29  9:29                     ` Andrea Corallo
2019-12-28 13:07               ` Dmitry Gutov
2019-12-28 13:28                 ` Eli Zaretskii
2019-12-28 19:56                 ` Óscar Fuentes
2019-12-29 19:59                 ` chad
2019-12-30  8:17                   ` arthur miller
2019-12-30 14:09                     ` Dmitry Gutov
2019-12-30 15:25                     ` Eli Zaretskii
2019-12-30 22:03                       ` arthur miller
2019-12-31  3:34                         ` Eli Zaretskii
2019-12-30 13:56                   ` Dmitry Gutov
2019-12-30 14:04                     ` Juanma Barranquero
2019-12-30  8:47                 ` Achim Gratz
2019-12-27 15:53             ` Stefan Monnier
2019-12-27 21:02               ` Andrea Corallo
2019-12-27 22:19                 ` Stefan Monnier
2019-12-28  8:34                 ` Eli Zaretskii
2019-12-28  8:56                   ` Andrea Corallo
2019-12-28 10:06                     ` Eli Zaretskii
2019-12-28 11:57                       ` Andrea Corallo
2019-12-28 13:34                         ` Eli Zaretskii
2019-12-28 14:35                           ` Andrea Corallo
2019-12-28 18:38                             ` Eli Zaretskii
2019-12-28 22:13                               ` Andrea Corallo
2019-12-31  9:55                               ` Andrea Corallo
2019-12-31 15:49                                 ` Eli Zaretskii
2020-02-24 23:21                       ` Andrea Corallo
2020-02-25  6:14                         ` yyoncho
2020-02-25  7:29                           ` Eli Zaretskii
2020-02-25 12:59                             ` Andrea Corallo
2020-02-28  4:34                               ` Eli Zaretskii
2020-02-28  8:26                                 ` Andrea Corallo
2020-02-28  9:23                                   ` yyoncho
2020-04-26 12:00                           ` Andrea Corallo
2020-04-27  4:41                             ` yyoncho
2019-12-26 20:26     ` Stefan Monnier
2019-12-26 20:58       ` dick.r.chiang
2019-12-26 21:57       ` Andrea Corallo
2019-12-27  8:22         ` Eli Zaretskii
2019-12-27 10:49           ` Andrea Corallo
2019-12-28 16:10           ` dick.r.chiang
2019-12-28 17:31             ` Eli Zaretskii
2019-12-31 10:24           ` Andrea Corallo
2019-12-31 15:51             ` Eli Zaretskii
2019-12-31 16:21               ` Andrea Corallo
2019-12-31 16:47                 ` Eli Zaretskii
2019-12-31 22:15                   ` Óscar Fuentes
2020-01-01 12:41                   ` Andrea Corallo
2020-01-01 15:14                     ` Stefan Monnier
2020-01-01 18:42                       ` Andrea Corallo
2020-01-02  7:55                         ` arthur miller
2020-01-02 11:31                           ` Andrea Corallo
2020-01-02 13:53                             ` Eli Zaretskii
2020-01-04 18:17                           ` Stefan Monnier
2020-01-05  1:33                             ` Jean-Christophe Helary
2020-01-05  4:51                               ` Stefan Monnier
2020-01-05  5:18                                 ` Jean-Christophe Helary
2020-01-05  6:36                                   ` Stefan Monnier
2020-01-02 13:47                         ` Eli Zaretskii
2020-01-04 18:14                         ` Stefan Monnier
2020-01-05 10:00                           ` Andrea Corallo
2020-01-02 11:47                       ` Andrea Corallo
2020-01-02 16:52                         ` Ergus
2020-01-02 17:55                           ` Andrea Corallo
2020-01-11 14:10                         ` Andrea Corallo
2020-02-04 11:28                           ` Andrea Corallo
2020-02-04 15:30                             ` Eli Zaretskii
2020-02-04 18:39                               ` Andrea Corallo
2020-02-04 18:58                                 ` Eli Zaretskii
2020-02-04 19:00                                 ` Paul Eggert
2020-02-04 20:30                                   ` Andrea Corallo
2020-02-05 10:15                                     ` Andrea Corallo
2020-02-05 14:24                                       ` Stefan Monnier
2020-02-15  9:29                                         ` Andrea Corallo
2020-02-16 18:18                                           ` Andrea Corallo
2020-02-22 10:15                                             ` On elisp running native - deferred compilation Andrea Corallo
2020-02-22 14:19                                               ` Stefan Monnier
2020-03-04 19:34                                             ` On elisp running native Andrea Corallo
2020-03-04 20:21                                               ` Michael Albinus
2020-03-04 22:16                                                 ` Andrea Corallo
2020-03-05 19:33                                                   ` Michael Albinus
2020-03-06 21:44                                                     ` Andrea Corallo
2020-03-07  9:09                                                       ` Michael Albinus
2020-03-07  9:33                                                         ` Andrea Corallo
2020-03-07  9:41                                                           ` Michael Albinus
     [not found]                                                             ` <xjf36akjx8e.fsf@sdf.org>
     [not found]                                                               ` <87y2sca2ex.fsf@gmx.de>
     [not found]                                                                 ` <xjfy2scigxn.fsf@sdf.org>
     [not found]                                                                   ` <xjftv30hytf.fsf@sdf.org>
2020-03-07 17:57                                                                     ` Michael Albinus
2020-03-07 18:49                                                                       ` Andrea Corallo
2020-03-07 18:54                                                                         ` Michael Albinus
2020-03-07 19:19                                                                           ` Andrea Corallo
2020-03-08 15:03                                                                             ` Andrea Corallo
2020-03-08 20:16                                                                               ` Michael Albinus
2020-03-08 20:55                                                                                 ` Andrea Corallo
2020-03-08 21:09                                                                                   ` Michael Albinus
2020-03-08 21:29                                                                                     ` Andrea Corallo
2020-03-08 21:32                                                                                       ` Michael Albinus
2020-03-08 21:37                                                                                         ` Andrea Corallo
2020-03-05 10:54                                               ` Adam Porter
2020-03-05 12:43                                                 ` Gong-Yi Liao 廖宮毅
2020-03-05 13:27                                                   ` Andrea Corallo
2020-03-08 14:37                                                     ` Gong-Yi Liao 廖宮毅
2020-03-08 15:13                                                       ` Andrea Corallo
2020-03-15 19:00                                                     ` Gong-Yi Liao 廖宮毅
2020-03-15 20:00                                                       ` Andrea Corallo
2020-03-05 13:19                                                 ` Andrea Corallo
2020-03-05 14:42                                                   ` Adam Porter
2020-03-05 19:46                                                     ` Andrea Corallo
2020-03-06 21:15                                                   ` Adam Porter
2020-03-06 21:23                                                     ` Adam Porter
2020-03-06 21:52                                                       ` Andrea Corallo
2020-03-11 22:04                                                 ` Andrea Corallo
2020-03-12 17:10                                                   ` Adam Porter
2020-03-12 17:34                                                   ` Stefan Monnier
2020-03-12 18:03                                                     ` Andrea Corallo
2020-03-23 21:36                                               ` On elisp running native - Update7 Andrea Corallo
2020-03-24  2:59                                                 ` Gong-Yi Liao 廖宮毅
2020-03-24  8:44                                                   ` Andrea Corallo
2020-05-16 15:24                                                 ` On elisp running native - Update 8 Andrea Corallo
2020-05-16 16:21                                                   ` Eli Zaretskii
2020-05-16 20:44                                                     ` Andrea Corallo
2020-05-16 18:22                                                   ` Gregor Zattler
2020-05-16 19:59                                                     ` Andrea Corallo
2020-05-17  5:26                                                       ` Gregor Zattler
2020-06-14 13:23                                                   ` On elisp running native - Update 9 Andrea Corallo
2020-06-14 17:23                                                     ` arthur miller
2020-06-15  5:04                                                     ` Gong-Yi Liao 廖宮毅
2020-06-15  7:41                                                       ` Andrea Corallo
2020-06-17 23:54                                                     ` Stefan Monnier
2020-06-18  6:55                                                       ` Andrea Corallo
2020-07-16 20:00                                                     ` On elisp running native - Update 10 Andrea Corallo via Emacs development discussions.
2020-08-17 18:43                                                       ` On elisp running native - Update 11 Andrea Corallo via Emacs development discussions.
2020-08-18  5:13                                                         ` Arthur Miller
2020-08-18  8:17                                                           ` Andrea Corallo via Emacs development discussions.
2020-09-26 10:35                                                         ` On elisp running native - Update 12 Andrea Corallo via Emacs development discussions.
2020-09-26 14:29                                                           ` T.V Raman
2020-09-26 14:56                                                             ` Andrea Corallo via Emacs development discussions.
2020-09-26 15:07                                                               ` T.V Raman
2020-09-28 12:22                                                                 ` Lars Brinkhoff
2020-09-28 14:03                                                                   ` T.V Raman
2020-09-27 10:35                                                           ` Arthur Miller
2020-09-27 18:28                                                             ` Andrea Corallo via Emacs development discussions.
2020-09-27 18:30                                                               ` Lars Ingebrigtsen
2020-09-27 20:39                                                                 ` T.V Raman
2020-09-27 22:10                                                                 ` Stefan Monnier
2020-09-28  6:06                                                                 ` Eli Zaretskii
2020-09-28 10:28                                                                   ` Andrea Corallo via Emacs development discussions.
2020-09-28 10:45                                                                     ` Eli Zaretskii
2020-09-28 11:02                                                                       ` Andrea Corallo via Emacs development discussions.
2020-09-27 20:37                                                               ` T.V Raman
2020-09-28 14:10                                                           ` Yuan Fu
2020-09-28 14:51                                                             ` Andrea Corallo via Emacs development discussions.
2020-09-28 15:20                                                               ` Yuan Fu
2020-09-28 15:32                                                                 ` Andrea Corallo via Emacs development discussions.
2020-09-28 15:19                                                           ` Caio Henrique
2020-09-28 15:39                                                             ` Andrea Corallo via Emacs development discussions.
2020-09-28 16:12                                                               ` Caio Henrique
2020-09-28 17:21                                                                 ` Andrea Corallo via Emacs development discussions.
2021-01-01 18:37                                                           ` On elisp running native - Update 13 Andrea Corallo via Emacs development discussions.
2021-01-01 20:07                                                             ` tomas
2020-01-01 15:19                     ` On elisp running native Óscar Fuentes
2020-01-01 18:48                       ` Andrea Corallo
2020-01-01 14:59             ` Stefan Monnier
2020-03-15 14:21 ` Spenser Truex
2020-03-15 20:10   ` Andrea Corallo
2020-03-18 14:58     ` Lars Brinkhoff
2020-03-18 17:14       ` Andrea Corallo
  -- strict thread matches above, loose matches on Subject: below --
2020-01-02 21:47 arthur miller
2020-03-06 13:28 Zhu Zihao
2020-03-06 17:51 ` Andrea Corallo
2020-03-09 17:55   ` Zhu Zihao
2020-03-09 18:52     ` Andrea Corallo
2020-03-09 19:14       ` Zhu Zihao
2020-03-09 19:41         ` Andrea Corallo
2020-03-09 21:06         ` Stefan Monnier
2020-03-09 19:18       ` Eli Zaretskii
2020-03-09 19:42         ` Andrea Corallo
2020-04-05 21:48         ` Andrea Corallo
2020-03-10 16:15   ` Zhu Zihao
2020-03-10 17:46     ` Andrea Corallo

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