From: Lennart Borgman <lennart.borgman@gmail.com>
To: "Stephen J. Turnbull" <stephen@xemacs.org>
Cc: Tom Tromey <tromey@redhat.com>,
Daniel Colascione <dan.colascione@gmail.com>,
rms@gnu.org, emacs-devel@gnu.org
Subject: Re: Patch for fields of `struct buffer'
Date: Tue, 1 Feb 2011 18:08:43 +0100 [thread overview]
Message-ID: <AANLkTim=yu5rszb9y4W4XqoECzGn5fFYtnQTW6ersHF4@mail.gmail.com> (raw)
In-Reply-To: <87tygn3exw.fsf@uwakimon.sk.tsukuba.ac.jp>
On Tue, Feb 1, 2011 at 5:19 PM, Stephen J. Turnbull <stephen@xemacs.org> wrote:
>
> Well, that's actually what I was asking Daniel. I'm not sure how
> illiterate you think you are, so please try not to be insulted if it's
> all too basic.
Oh, it has been a pleasure reading your answer.
> The problem with threads as I see it, and I believe this is why
> Richard and Guido express pessimism too, is that Lisp objects tend to
> get all linked together. Tasks that follow the links and mutate the
> objects are likely to interfere with each other, but that is a very
> common pattern in dynamic languages. In Python, this is handled with
> the GIL, or global interpreter lock.[1] In many circumstances, a thread
> must grab that lock, excluding all other threads from running. This
> also is somewhat expensive in terms of CPU AIUI. Many proposals have
> been made to remove the GIL from Python, but (so far) they all fall
> down because it turns out that keeping track of lots of "local" locks
> is either very expensive, or deadlock-prone. (The "STM" that I
> mentioned in connection with Haskell and Simon Peyton-Jones is more or
> less a technique for automatically managing "local" locks, and has
> been applied successfully in some projects.)
Thanks, I see. Isn't that problem there also with Tom's proposal of a
per thread-pointer for global vars?
next prev parent reply other threads:[~2011-02-01 17:08 UTC|newest]
Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-27 20:18 Patch for fields of `struct buffer' Tom Tromey
2011-01-28 7:37 ` Eli Zaretskii
2011-01-28 8:58 ` Tom Tromey
2011-01-28 9:29 ` Eli Zaretskii
2011-01-29 12:50 ` Eli Zaretskii
2011-01-29 13:33 ` Juanma Barranquero
2011-01-29 13:42 ` Eli Zaretskii
2011-02-02 18:17 ` Juanma Barranquero
2011-02-02 19:51 ` Eli Zaretskii
2011-01-28 14:55 ` Stefan Monnier
2011-01-28 17:38 ` Tom Tromey
2011-01-28 18:27 ` Stefan Monnier
2011-01-28 18:42 ` Tom Tromey
2011-01-28 20:04 ` Stefan Monnier
2011-01-28 17:23 ` Kim F. Storm
2011-01-28 17:36 ` Tom Tromey
2011-01-28 18:29 ` Stefan Monnier
2011-01-29 2:34 ` Miles Bader
2011-01-29 3:58 ` Stefan Monnier
2011-01-29 16:18 ` Richard Stallman
2011-01-30 20:23 ` Tom Tromey
2011-01-31 4:04 ` Stefan Monnier
2011-01-31 14:29 ` Tom Tromey
2011-01-31 15:22 ` Stefan Monnier
2011-01-31 15:30 ` Tom Tromey
2011-01-31 17:02 ` Stefan Monnier
2011-01-31 18:38 ` Tom Tromey
2011-01-31 20:03 ` Stefan Monnier
2011-01-31 20:00 ` Stefan Monnier
2011-01-31 20:05 ` Tom Tromey
2011-01-31 20:40 ` Stefan Monnier
2011-01-31 16:46 ` David De La Harpe Golden
2011-01-31 19:04 ` Tom Tromey
2011-01-31 22:08 ` David De La Harpe Golden
2011-02-01 10:54 ` Daniel Colascione
2011-02-07 2:34 ` Tom Tromey
2011-02-07 19:48 ` concurrency suggestions for Gnus (was: Patch for fields of `struct buffer') Ted Zlatanov
2011-02-08 4:31 ` concurrency suggestions for Gnus Miles Bader
2011-02-08 12:55 ` Andy Moreton
2011-02-08 12:55 ` Justin Lilly
2011-02-08 14:41 ` bloom filters (was: concurrency suggestions for Gnus) Ted Zlatanov
2011-02-08 15:15 ` Stephen J. Turnbull
2011-02-10 8:17 ` concurrency suggestions for Gnus Lars Ingebrigtsen
2011-02-01 15:43 ` Patch for fields of `struct buffer' Stefan Monnier
2011-02-01 16:28 ` Helmut Eller
2011-02-07 2:47 ` Tom Tromey
2011-02-07 2:44 ` Tom Tromey
2011-02-07 8:05 ` Helmut Eller
2011-02-07 19:23 ` Richard Stallman
2011-02-08 16:30 ` Tom Tromey
2011-02-08 16:26 ` Tom Tromey
2011-02-08 17:57 ` Helmut Eller
2011-02-11 21:59 ` Tom Tromey
2011-02-12 9:16 ` Helmut Eller
2011-02-08 21:10 ` Stefan Monnier
2011-01-31 19:38 ` Richard Stallman
2011-02-01 18:26 ` Tom Tromey
2011-02-01 19:28 ` Paul Eggert
2011-02-01 19:42 ` Tom Tromey
2011-02-09 10:16 ` Jim Meyering
2011-02-10 4:42 ` Miles Bader
2011-02-01 20:34 ` Andreas Schwab
2011-02-01 21:56 ` Tom Tromey
2011-02-01 21:59 ` Tom Tromey
2011-02-02 0:44 ` Paul Eggert
2011-02-02 3:49 ` Stefan Monnier
2011-02-02 16:26 ` Tom Tromey
2011-02-02 16:37 ` Stefan Monnier
2011-02-08 15:07 ` Tom Tromey
2011-02-08 21:02 ` Stefan Monnier
2011-02-08 21:08 ` Tom Tromey
2011-02-08 21:21 ` Tom Tromey
2011-02-09 21:32 ` Stefan Monnier
2011-02-08 21:58 ` Andreas Schwab
2011-02-01 22:21 ` Stefan Monnier
2011-02-08 16:38 ` Tom Tromey
2011-02-11 21:48 ` Tom Tromey
2011-02-12 2:25 ` Stefan Monnier
2011-01-31 19:37 ` Richard Stallman
2011-01-31 19:57 ` Tom Tromey
2011-02-01 2:42 ` Tom Tromey
2011-02-01 4:09 ` Eli Zaretskii
2011-02-01 16:40 ` Richard Stallman
2011-02-01 16:44 ` Tom Tromey
2011-02-02 2:42 ` Richard Stallman
2011-01-31 20:30 ` Stefan Monnier
2011-01-31 20:49 ` Tom Tromey
2011-01-31 21:54 ` Stefan Monnier
2011-02-13 19:01 ` Richard Stallman
2011-02-14 17:47 ` Stefan Monnier
2011-02-14 19:34 ` Lennart Borgman
2011-02-15 15:58 ` Richard Stallman
2011-02-15 20:41 ` Stefan Monnier
2011-02-01 16:39 ` Richard Stallman
2011-02-01 12:09 ` Stephen J. Turnbull
2011-02-02 2:41 ` Richard Stallman
2011-02-01 10:26 ` Daniel Colascione
2011-02-01 12:10 ` Stephen J. Turnbull
2011-02-01 14:23 ` Lennart Borgman
2011-02-01 16:19 ` Stephen J. Turnbull
2011-02-01 17:08 ` Lennart Borgman [this message]
2011-02-01 19:57 ` Daniel Colascione
2011-02-01 20:06 ` Daniel Colascione
2011-02-01 16:41 ` Richard Stallman
2011-02-01 16:51 ` Tom Tromey
2011-02-02 2:42 ` Richard Stallman
2011-02-02 4:16 ` Tom Tromey
2011-02-02 5:04 ` Stefan Monnier
2011-02-11 21:51 ` Tom Tromey
2011-02-12 23:28 ` Richard Stallman
2011-02-13 20:26 ` Installing `struct buffer' patch (Was: Patch for fields of `struct buffer') Tom Tromey
2011-02-14 16:42 ` Installing `struct buffer' patch Chong Yidong
2011-02-14 16:48 ` Tom Tromey
2011-02-14 16:52 ` Chong Yidong
2011-02-14 16:58 ` Tom Tromey
2011-02-14 17:36 ` Stefan Monnier
2011-02-15 15:50 ` Chong Yidong
2011-02-16 14:55 ` Tom Tromey
2011-02-15 15:57 ` Richard Stallman
2011-02-15 4:07 ` Glenn Morris
2011-02-15 14:28 ` Tom Tromey
2011-02-01 20:04 ` Patch for fields of `struct buffer' Daniel Colascione
2011-02-02 2:43 ` Richard Stallman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='AANLkTim=yu5rszb9y4W4XqoECzGn5fFYtnQTW6ersHF4@mail.gmail.com' \
--to=lennart.borgman@gmail.com \
--cc=dan.colascione@gmail.com \
--cc=emacs-devel@gnu.org \
--cc=rms@gnu.org \
--cc=stephen@xemacs.org \
--cc=tromey@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.