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From: Samuel Wales <samologist@gmail.com>
To: Marcin Borkowski <mbork@mbork.pl>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Why is Elisp slow?
Date: Fri, 3 May 2019 16:34:21 -0700	[thread overview]
Message-ID: <CAJcAo8vn8RsrSstwti5T8feWB4q01kN-KPX55zSqCZubUyMBdQ@mail.gmail.com> (raw)
In-Reply-To: <874l6d3ylg.fsf@mbork.pl>

On 5/2/19, Marcin Borkowski <mbork@mbork.pl> wrote:
> ...well, Org-mode agenda takes almost 30 seconds to generate for me...

[replying in general]

org agenda is the slowest part of emacs for me.

it would be *great* if devs could speed it up with c.  i am curious
what would they do?  take a look at the profiles.  maybe speed up
regexps?

a complete rewrite in lisp might or might not speed it up.  it might
or might not allow devs to speed it up with c.  i think a complete
rewrite has been proposed, but dunno if it's going to be done or will
keep compatibility or be known to be likely faster.

i /think/ a rewrite /has already/ been done, with a nice lisp syntax
to replace the existing non-lisp tags search syntax.  but last i heard
it leaves out a small number of features and it isn't faster yet.
iirc part of the reason given for that was that the existing one was
optimized to death.  however, idk if it is a complete rewrite or if
speed was a desideratum.  perhaps it or parts of it could be rewritten
or sped up in c.  dunno.

as for cl, it's so similar to el that it is a natural comparison.
which makes me wonder why a participant in this thread said it was for
wizards?  elisp has buffers, syntax tables, and font locking.

-- 
The Kafka Pandemic

What is misopathy?
https://thekafkapandemic.blogspot.com/2013/10/why-some-diseases-are-wronged.html

The disease DOES progress. MANY people have died from it. And ANYBODY
can get it at any time.



  parent reply	other threads:[~2019-05-03 23:34 UTC|newest]

Thread overview: 284+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-05  2:15 Optimising Elisp code Davin Pearson
2018-10-05  2:19 ` Davin Pearson
2018-10-05  9:46   ` Emanuel Berg
2018-10-05 10:58   ` Noam Postavsky
2018-10-05 10:03 ` tomas
2018-10-05 14:28 ` Barry Margolin
2018-10-05 14:42   ` Emanuel Berg
2018-10-05 15:04     ` Emanuel Berg
2018-10-05 17:05       ` Óscar Fuentes
     [not found]       ` <mailman.1736.1538759161.1284.help-gnu-emacs@gnu.org>
2018-10-05 17:23         ` Emanuel Berg
2018-10-05 17:46           ` Óscar Fuentes
     [not found]           ` <mailman.1737.1538762057.1284.help-gnu-emacs@gnu.org>
2018-10-05 18:50             ` Emanuel Berg
2018-10-05 19:14               ` Emanuel Berg
2018-10-05 19:17                 ` Emanuel Berg
2018-10-05 19:26                 ` Emanuel Berg
2018-10-05 19:40           ` Stefan Monnier
     [not found]           ` <mailman.1741.1538768445.1284.help-gnu-emacs@gnu.org>
2018-10-05 21:55             ` Emanuel Berg
2018-10-05 18:04       ` James K. Lowden
2018-10-05 19:02         ` Emanuel Berg
2018-10-07  2:57     ` Barry Margolin
2018-10-06 10:45   ` Knowing where a function has been used (e.g. for optimizing) [Was: Re: Optimising Elisp code] Garreau, Alexandre
2018-10-06 14:40   ` Optimising Elisp code Stefan Monnier
2018-10-06 16:55     ` Garreau, Alexandre
2018-10-06 19:24       ` tomas
2018-10-06 19:55         ` Knowing where a function has been used (bis) [Was: Re: Optimising Elisp code] Garreau, Alexandre
2018-10-06 20:27           ` tomas
2018-10-06 21:42             ` Garreau, Alexandre
2018-10-07  8:10               ` tomas
2018-10-07 13:56                 ` Garreau, Alexandre
     [not found]               ` <mailman.1787.1538899813.1284.help-gnu-emacs@gnu.org>
2018-10-07 12:54                 ` Emanuel Berg
     [not found]           ` <mailman.1775.1538857674.1284.help-gnu-emacs@gnu.org>
2018-10-07 12:52             ` Emanuel Berg
2018-10-07 13:19               ` Stefan Monnier
     [not found]               ` <mailman.1792.1538918415.1284.help-gnu-emacs@gnu.org>
2018-10-07 15:59                 ` Emanuel Berg
2018-10-07 16:30                   ` Optimising Elisp code [again] Garreau, Alexandre
     [not found]                   ` <mailman.1805.1538929865.1284.help-gnu-emacs@gnu.org>
2018-10-08 14:11                     ` Emanuel Berg
2018-10-08 14:43                       ` tomas
     [not found]                       ` <mailman.1852.1539009893.1284.help-gnu-emacs@gnu.org>
2018-10-09  0:38                         ` Barry Margolin
2018-10-09  6:26                           ` Emanuel Berg
2018-10-09  8:07                             ` Garreau, Alexandre
     [not found]                             ` <mailman.1903.1539072429.1284.help-gnu-emacs@gnu.org>
2018-10-09 13:28                               ` Emanuel Berg
2018-10-09 15:03                                 ` Garreau, Alexandre
     [not found]                                 ` <mailman.1911.1539097442.1284.help-gnu-emacs@gnu.org>
2018-10-09 15:26                                   ` Emanuel Berg
2018-10-09 19:35                                     ` Garreau, Alexandre
2018-10-10 16:18                                     ` Barry Margolin
2018-10-10 20:53                                       ` Óscar Fuentes
2018-10-10 23:54                                       ` Garreau, Alexandre
     [not found]                                       ` <mailman.1975.1539205047.1284.help-gnu-emacs@gnu.org>
2018-10-11 18:10                                         ` Emanuel Berg
2018-10-12 19:52                                           ` Robert Thorpe
2018-10-07 16:10                 ` Knowing where a function has been used (bis) [Was: Re: Optimising Elisp code] Emanuel Berg
2018-10-07 16:35                   ` Garreau, Alexandre
2018-10-07 19:35                   ` Barry Margolin
2018-10-08 14:18                     ` Emanuel Berg
2018-10-08 15:23                       ` Garreau, Alexandre
2018-10-08 20:52                     ` Emanuel Berg
2018-10-09  0:41                       ` Barry Margolin
2018-10-09  6:35                         ` Emanuel Berg
2018-10-10 16:24                           ` Barry Margolin
2018-10-10 16:32                             ` Emanuel Berg
2018-10-11 19:29                               ` Barry Margolin
2018-10-11 20:05                                 ` Emanuel Berg
2018-10-12 22:32                                   ` Barry Margolin
2018-10-12 23:03                                     ` Eric Abrahamsen
2018-10-13 20:51                                     ` Emanuel Berg
2018-10-14  7:55                                       ` tomas
     [not found]                                       ` <mailman.2146.1539503732.1284.help-gnu-emacs@gnu.org>
2018-10-14 19:10                                         ` Emanuel Berg
2018-10-15  8:25                                           ` tomas
     [not found]                                           ` <mailman.2179.1539591977.1284.help-gnu-emacs@gnu.org>
2018-10-15 19:27                                             ` Emanuel Berg
2018-10-16  0:55                                               ` Van L
2018-10-17  0:20                                               ` Garreau, Alexandre
     [not found]                                               ` <mailman.2284.1539735662.1284.help-gnu-emacs@gnu.org>
2018-10-17  6:49                                                 ` Emanuel Berg
2018-10-10 20:50                             ` Óscar Fuentes
     [not found]                   ` <mailman.1806.1538930105.1284.help-gnu-emacs@gnu.org>
2018-10-08 14:14                     ` Emanuel Berg
2018-10-08 15:37                       ` Naming, and Gnus functions length [Was: Re: Knowing where a function has been used (bis) [Was: Re: Optimising Elisp code]] Garreau, Alexandre
     [not found]                       ` <mailman.1860.1539013068.1284.help-gnu-emacs@gnu.org>
2018-10-08 15:43                         ` Emanuel Berg
2018-10-08 15:52                           ` Naming, and Gnus functions length [ Garreau, Alexandre
     [not found]                           ` <mailman.1863.1539013974.1284.help-gnu-emacs@gnu.org>
2018-10-08 16:39                             ` Emanuel Berg
2018-10-08 20:03                           ` Naming, and Gnus functions length [Was: Re: Knowing where a function has been used (bis) [Was: Re: Optimising Elisp code]] Eli Zaretskii
     [not found]                           ` <mailman.1874.1539029031.1284.help-gnu-emacs@gnu.org>
2018-10-08 20:44                             ` Why is Elisp slow? (was: Re: Naming, and Gnus functions length [Was: Re: Knowing where a function has been used (bis) [Was: Re: Optimising Elisp code]]) Emanuel Berg
2018-10-08 23:53                               ` Why is Elisp slow? Garreau, Alexandre
2018-10-09 12:27                                 ` Stefan Monnier
     [not found]                               ` <mailman.1893.1539042845.1284.help-gnu-emacs@gnu.org>
2018-10-09  6:23                                 ` Emanuel Berg
2018-10-09  8:05                                   ` Garreau, Alexandre
2018-10-09 15:04                                     ` Eli Zaretskii
2019-05-02  4:49                                   ` Van L
2019-05-02  7:56                                     ` tomas
2019-05-02 11:06                                       ` Marcin Borkowski
2019-05-02 13:18                                         ` tomas
2019-05-02 15:34                                           ` Eli Zaretskii
2019-05-02 19:13                                             ` Marcin Borkowski
2019-05-02 19:45                                               ` Eli Zaretskii
2019-05-04 11:55                                                 ` Marcin Borkowski
2019-05-02 20:00                                               ` tomas
2019-05-04 11:52                                                 ` Marcin Borkowski
2019-05-02 19:33                                             ` Óscar Fuentes
2019-05-02 19:49                                               ` Eli Zaretskii
2019-05-02 20:12                                                 ` Óscar Fuentes
2019-05-02 20:20                                                   ` Eli Zaretskii
2019-05-02 21:40                                                     ` Ergus
2019-05-02 23:39                                                       ` 조성빈
2019-05-03  0:44                                                         ` Ergus
2019-05-03  1:06                                                           ` 조성빈
2019-05-03 10:36                                                             ` Ergus
2019-05-03 11:52                                                               ` 조성빈
2019-05-03 12:44                                                                 ` Eli Zaretskii
2019-05-03 12:58                                                                   ` Ergus
2019-05-03 14:00                                                                     ` Eli Zaretskii
2019-05-03 22:57                                                                     ` Stefan Monnier
2019-05-04 13:32                                                                       ` Ergus
2019-05-04 14:03                                                                         ` Stefan Monnier
2019-05-04 22:41                                                                           ` Emanuel Berg
2019-05-04 22:56                                                                             ` Stefan Monnier
2019-05-04 23:19                                                                               ` Emanuel Berg
2019-05-05 15:40                                                                                 ` Stefan Monnier
2019-05-06  6:53                                                                                 ` tomas
2019-05-06  8:25                                                                                   ` Emanuel Berg
2019-05-05  0:12                                                                               ` 조성빈
2019-05-05  3:15                                                                                 ` Stefan Monnier
2019-05-05  0:43                                                                           ` Ergus
2019-05-05  3:07                                                                             ` 조성빈
2019-05-05 15:50                                                                               ` Stefan Monnier
2019-05-06  7:33                                                                                 ` Tadeus Prastowo
2019-05-06  9:03                                                                                   ` 조성빈
2019-05-06 10:51                                                                                     ` Tadeus Prastowo
2019-05-06 12:58                                                                                 ` Ergus
2019-05-06 13:08                                                                                   ` Stefan Monnier
2019-05-06 16:17                                                                                     ` Ergus
2019-05-06 17:25                                                                                       ` Stefan Monnier
2019-05-06 17:45                                                                                         ` 조성빈
2019-05-06 18:08                                                                                           ` Stefan Monnier
2019-05-06 18:18                                                                                             ` 조성빈
2019-05-06 18:47                                                                                               ` Stefan Monnier
2019-05-06 20:23                                                                                                 ` Ergus
2019-05-06 20:41                                                                                                   ` 조성빈
2019-05-06 21:45                                                                                                 ` Jean-Christophe Helary
2019-05-06 22:03                                                                                                 ` Ergus
2019-05-06 23:07                                                                                                 ` Ergus
2019-05-07 10:49                                                                                                 ` Ergus
2019-05-07 11:51                                                                                                   ` 조성빈
2019-05-07 12:38                                                                                                     ` Ergus
2019-05-07 12:56                                                                                                     ` Stefan Monnier
2019-05-07 13:01                                                                                                       ` 조성빈
2019-05-07 13:04                                                                                                         ` Stefan Monnier
2019-05-07 13:14                                                                                                           ` Ergus
2019-05-07 13:43                                                                                                             ` 조성빈
2019-05-07 14:22                                                                                                               ` Stefan Monnier
2019-05-07 14:41                                                                                                                 ` Ergus
2019-05-09  9:49                                                                                                                 ` Ergus
2019-05-10  3:20                                                                                                                   ` 조성빈
2019-05-10  4:26                                                                                                                     ` Ergus
2019-05-10  4:35                                                                                                                       ` 조성빈
2019-05-10  8:27                                                                                                                       ` tomas
2019-05-07 13:16                                                                                                           ` 조성빈
2019-05-07 13:40                                                                                                             ` Ergus
2019-05-06 20:51                                                                                         ` Óscar Fuentes
2019-05-07  2:35                                                                                           ` 조성빈
2019-05-10  5:14                                                                                     ` Van L
2019-05-06 13:18                                                                                   ` 조성빈
2019-05-06 13:33                                                                                   ` Óscar Fuentes
2019-05-06 14:04                                                                                     ` 조성빈
2019-05-10  7:20                                                                                       ` Van L
2019-05-10 14:38                                                                                         ` Lisp, C, and C++ (was: Re: Why is Elisp slow?) Emanuel Berg
2019-05-10 14:49                                                                                           ` Emanuel Berg
2019-05-06 23:39                                                                                     ` Why is Elisp slow? Emanuel Berg
2019-05-05  5:25                                                                             ` Paul W. Rankin
2019-05-05 13:19                                                                               ` Óscar Fuentes
2019-05-05 13:46                                                                               ` Ergus
2019-05-06  7:01                                                                                 ` tomas
2019-05-05 12:51                                                                             ` Stefan Monnier
2019-05-10  3:15                                                                           ` Van L
2019-05-04 14:10                                                                         ` Eli Zaretskii
2019-05-03 12:51                                                                 ` Ergus
2019-05-03 13:16                                                                   ` 조성빈
2019-05-03 13:32                                                                     ` Ergus
2019-05-03 14:04                                                                     ` Eli Zaretskii
2019-05-04  0:32                                                                   ` Emanuel Berg
2019-05-04 11:29                                                                     ` Marcin Borkowski
2019-05-03  1:45                                                           ` Paul W. Rankin
2019-05-03  7:00                                                           ` Eli Zaretskii
2019-05-03  9:58                                                             ` Ergus
2019-05-03 12:41                                                               ` Eli Zaretskii
2019-05-03 22:18                                                               ` Óscar Fuentes
2019-05-04 13:27                                                                 ` Ergus
2019-05-04 13:38                                                                   ` 조성빈
2019-05-04  0:33                                                               ` Emanuel Berg
2019-05-03  7:08                                                           ` tomas
2019-05-10 13:14                                                           ` Van L
2019-05-10 13:22                                                             ` Michael Heerdegen
2019-05-10 14:44                                                               ` Emanuel Berg
2019-05-11  0:38                                                               ` Emanuel Berg
2019-05-11  1:55                                                                 ` Stefan Monnier
2019-05-11  2:16                                                                   ` Emanuel Berg
2019-05-11  7:32                                                                 ` Is Elisp really that slow? (was: Why is Elisp slow?) tomas
2019-05-11  7:42                                                                   ` 조성빈
2019-05-11  7:57                                                                     ` tomas
2019-05-11 14:30                                                                       ` 조성빈
2019-05-11 17:01                                                                         ` tomas
2019-05-11 23:09                                                                       ` Emanuel Berg
2019-05-12  7:54                                                                         ` tomas
2019-05-12  8:09                                                                           ` Emanuel Berg
2019-05-12  9:46                                                                           ` 조성빈
2019-05-12 14:21                                                                             ` Eli Zaretskii
2019-05-12 14:45                                                                               ` Is Elisp really that slow? Óscar Fuentes
2019-05-12 15:28                                                                                 ` Eli Zaretskii
2019-05-12 15:46                                                                                   ` Óscar Fuentes
2019-05-12 17:20                                                                                     ` Eli Zaretskii
2019-05-12 18:37                                                                                       ` Óscar Fuentes
2019-05-12 18:53                                                                                         ` Eli Zaretskii
2019-05-13  1:44                                                                                           ` Emanuel Berg
2019-05-12 21:18                                                                                         ` Stefan Monnier
2019-05-12 22:22                                                                                           ` Óscar Fuentes
2019-05-14 13:39                                                                                             ` Stefan Monnier
2019-05-14 15:09                                                                                               ` Óscar Fuentes
2019-05-13  0:57                                                                                           ` Samuel Wales
2019-05-13 12:37                                                                                             ` Stefan Monnier
2019-05-13 14:23                                                                                               ` Emanuel Berg
2019-05-13 14:33                                                                                               ` Emanuel Berg
2019-05-14  8:24                                                                                                 ` tomas
2019-05-14 13:21                                                                                                   ` Emanuel Berg
2019-05-14 14:44                                                                                                     ` tomas
2019-05-15 11:25                                                                                                       ` Emanuel Berg
2019-05-15 12:05                                                                                                         ` tomas
2019-05-15 23:02                                                                                                           ` Emanuel Berg
2019-05-16  6:48                                                                                                             ` tomas
2019-05-16  9:37                                                                                                               ` Noam Postavsky
2019-05-16 11:02                                                                                                                 ` tomas
2019-05-23 14:23                                                                                                                   ` Emanuel Berg
2019-05-24  1:33                                                                                                                     ` Van L
2019-05-16 13:31                                                                                                             ` Eli Zaretskii
2019-05-23 14:28                                                                                                               ` Emanuel Berg
2019-05-23 14:54                                                                                                                 ` Drew Adams
2019-05-23 14:55                                                                                                                 ` Eli Zaretskii
2019-06-06  5:18                                                                                                                   ` Emanuel Berg via help-gnu-emacs
2019-05-16 14:45                                                                                                         ` Stefan Monnier
2019-05-25  4:53                                                                                                           ` Emanuel Berg via help-gnu-emacs
2019-05-13  1:52                                                                                           ` Emanuel Berg
2019-05-13  1:35                                                                                         ` Emanuel Berg
2019-05-12 21:01                                                                                     ` Stefan Monnier
2019-05-13  1:27                                                                                   ` Emanuel Berg
2019-05-13 14:38                                                                                     ` Eli Zaretskii
2019-05-13 15:00                                                                                       ` Emanuel Berg
2019-05-13 15:25                                                                                         ` Eli Zaretskii
2019-05-14 11:54                                                                                           ` Emanuel Berg
2019-05-14 16:21                                                                                             ` Eli Zaretskii
2019-05-14 17:05                                                                                               ` Emanuel Berg
2019-05-14 18:30                                                                                                 ` Eli Zaretskii
2019-05-15 11:27                                                                                                   ` Emanuel Berg
2019-05-15 14:51                                                                                                     ` Eli Zaretskii
2019-05-16 23:19                                                                                                       ` Emanuel Berg
2019-05-17  6:41                                                                                                         ` Eli Zaretskii
2019-05-13 15:02                                                                                       ` John Yates
2019-05-13 15:14                                                                                         ` Eli Zaretskii
2019-05-13 22:40                                                                                       ` Dmitry Gutov
2019-05-14  6:27                                                                                       ` Paul W. Rankin
2019-05-14 13:10                                                                                         ` Emanuel Berg
2019-05-13 15:42                                                                                     ` Van L
2019-05-17 15:17                                                                                 ` Ken Goldman
2019-06-04  1:36                                                                                   ` Emanuel Berg via help-gnu-emacs
2019-05-24  4:28                                                                         ` Is Elisp really that slow? (was: Why is Elisp slow?) Xavier Maillard
2019-06-07 19:08                                                                           ` Emanuel Berg via help-gnu-emacs
2019-06-08  0:26                                                                   ` Samuel Wales
2019-06-08  0:30                                                                     ` Samuel Wales
2019-06-08  8:52                                                                     ` tomas
2019-06-08 21:00                                                                       ` Samuel Wales
2019-06-08 21:14                                                                         ` tomas
2019-06-08 21:44                                                                           ` Is Elisp really that slow? Óscar Fuentes
2019-06-08 23:29                                                                             ` Emanuel Berg via help-gnu-emacs
2019-06-11  4:10                                                                             ` Xavier Maillard
2019-06-09  6:46                                                                         ` Is Elisp really that slow? (was: Why is Elisp slow?) Eli Zaretskii
2019-06-11 20:23                                                                           ` Samuel Wales
2019-06-08 23:26                                                                       ` Emanuel Berg via help-gnu-emacs
2019-05-13  6:10                                                               ` Why is Elisp slow? Van L
2019-05-03  6:55                                                         ` Eli Zaretskii
2019-05-03  2:39                                                       ` Stefan Monnier
2019-05-03  6:51                                                         ` Eli Zaretskii
2019-05-02 19:10                                           ` Marcin Borkowski
2019-05-03 23:34                                         ` Samuel Wales [this message]
2019-05-04  6:19                                           ` Eli Zaretskii
     [not found]         ` <mailman.1772.1538855722.1284.help-gnu-emacs@gnu.org>
2018-10-07 12:45           ` Knowing where a function has been used (bis) [Was: Re: Optimising Elisp code] Emanuel Berg
     [not found]   ` <mailman.1752.1538822765.1284.help-gnu-emacs@gnu.org>
2018-10-07 12:41     ` Knowing where a function has been used (e.g. for optimizing) " Emanuel Berg
2018-10-07 13:46       ` Getting functions usage examples [Was: Re: Knowing where a function has been used (e.g. for optimizing) [Was: Re: Optimising Elisp code]] Garreau, Alexandre
2018-10-08  0:07         ` Van L
2018-10-08 15:40           ` Getting functions usage examples [ Garreau, Alexandre
2018-10-09  9:33             ` Van L
     [not found]       ` <mailman.1798.1538920786.1284.help-gnu-emacs@gnu.org>
2018-10-07 15:38         ` Getting functions usage examples [Was: Re: Knowing where a function has been used (e.g. for optimizing) [Was: Re: Optimising Elisp code]] Emanuel Berg

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