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From: Rik van Riel <riel@conectiva.com.br>
To: Ulrich Drepper <drepper@redhat.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [ANNOUNCE] Native POSIX Thread Library 0.1
Date: Thu, 19 Sep 2002 23:01:33 -0300 (BRT)	[thread overview]
Message-ID: <Pine.LNX.4.44L.0209192258010.1857-100000@imladris.surriel.com> (raw)
In-Reply-To: <3D8A6EC1.1010809@redhat.com>

On Thu, 19 Sep 2002, Ulrich Drepper wrote:

>    Initial confirmations were test runs with huge numbers of threads.
>    Even on IA-32 with its limited address space and memory handling
>    running 100,000 concurrent threads was no problem at all,

So, where did you put those 800 MB of kernel stacks needed for
100,000 threads ?

If you used the standard 3:1 user/kernel split you'd be using
all of ZONE_NORMAL for kernel stacks, but if you use a 2:2 split
you'll end up with a lot less user space (bad if you want to
have many threads in the same address space).

Do you have some special solutions up your sleeve or is this
in the category of as-of-yet unsolved problems ?

regards,

Rik
-- 
Bravely reimplemented by the knights who say "NIH".

http://www.surriel.com/		http://distro.conectiva.com/

Spamtraps of the month:  september@surriel.com trac@trac.org


  parent reply	other threads:[~2002-09-20  1:56 UTC|newest]

Thread overview: 114+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-20  0:41 [ANNOUNCE] Native POSIX Thread Library 0.1 Ulrich Drepper
2002-09-20  0:51 ` William Lee Irwin III
2002-09-20  1:35   ` Ulrich Drepper
2002-09-20  1:42     ` William Lee Irwin III
2002-09-20  1:56 ` Larry McVoy
2002-09-20  2:01 ` Rik van Riel [this message]
2002-09-20  2:15   ` Benjamin LaHaise
2002-09-20  2:40     ` Dave Hansen
2002-09-20  2:47     ` William Lee Irwin III
2002-09-20  2:17   ` Larry McVoy
2002-09-20  2:24     ` Rik van Riel
2002-09-20  2:32       ` Ulrich Drepper
2002-09-20  6:01       ` Linus Torvalds
2002-09-20  8:02         ` Ingo Molnar
2002-09-20  2:23   ` Anton Blanchard
2002-09-20  7:52   ` 100,000 threads? [was: [ANNOUNCE] Native POSIX Thread Library 0.1] Ingo Molnar
2002-09-20 15:47     ` Bill Davidsen
2002-09-20  9:53 ` [ANNOUNCE] Native POSIX Thread Library 0.1 Padraig Brady
2002-09-20 13:28   ` Robert Love
2002-09-20 16:01     ` Bill Davidsen
2002-09-20  9:54 ` Adrian Bunk
2002-09-20 10:53   ` Ingo Molnar
2002-09-20 19:04   ` Ulrich Drepper
2002-09-20 23:06     ` J.A. Magallon
2002-09-20 23:33       ` Ulrich Drepper
2002-09-20 23:42         ` J.A. Magallon
2002-09-20 10:20 ` Bill Huey
2002-09-20 10:47   ` Ingo Molnar
2002-09-20 12:06     ` Bill Huey
2002-09-20 16:20       ` Ingo Molnar
2002-09-20 21:50         ` Bill Huey
2002-09-20 22:30           ` dean gaudet
2002-09-20 23:11             ` Bill Huey
2002-09-21  3:38               ` dean gaudet
2002-09-21  4:01                 ` Bill Huey
2002-09-21  5:06                   ` Ingo Molnar
2002-09-20 23:45           ` Bill Huey
2002-09-21  4:58             ` Ingo Molnar
2002-09-22  2:51               ` Bill Huey
2002-09-21  4:48           ` Ingo Molnar
2002-09-22  1:38             ` Bill Huey
2002-09-22 13:38           ` Bill Davidsen
2002-09-22 18:41             ` Eric W. Biederman
2002-09-22 22:13               ` dean gaudet
2002-09-26 17:21                 ` Alan Cox
2002-09-23  0:11               ` Bill Huey
2002-09-24 16:07                 ` Eric W. Biederman
2002-09-24 23:21                   ` Bill Huey
2002-09-25  3:06                     ` Eric W. Biederman
2002-09-23 21:12             ` Bill Huey
2002-09-20 10:35 ` Luca Barbieri
2002-09-20 11:19   ` Ingo Molnar
2002-09-20 18:40     ` Roland McGrath
2002-09-20 21:21       ` Luca Barbieri
2002-09-20 12:37 ` jlnance
2002-09-20 16:42   ` Ingo Molnar
2002-09-24  0:40     ` Rusty Russell
2002-09-24  5:47       ` Ingo Molnar
2002-09-24  6:15         ` Rusty Russell
2002-09-20 15:43 ` Bill Davidsen
2002-09-20 16:15   ` Jakub Jelinek
2002-09-20 17:16     ` Bill Davidsen
2002-09-20  7:46 Joerg Pommnitz
2002-09-22 18:55 Peter Waechtler
2002-09-22 21:32 ` Larry McVoy
2002-09-23 10:05   ` Bill Davidsen
2002-09-23 11:55     ` Peter Waechtler
2002-09-23 19:14       ` Bill Davidsen
2002-09-29 23:26         ` Buddy Lumpkin
2002-09-30 14:54           ` Corey Minyard
2002-09-23 15:30     ` Larry McVoy
2002-09-23 19:44       ` Olivier Galibert
2002-09-23 19:48       ` Bill Davidsen
2002-09-23 20:32         ` Ingo Molnar
2002-09-24  0:03           ` Andy Isaacson
2002-09-24  0:10             ` Jeff Garzik
2002-09-24  0:14               ` Andy Isaacson
2002-09-24  5:53             ` Ingo Molnar
2002-09-24 20:34             ` David Schwartz
2002-09-24  7:12           ` Thunder from the hill
2002-09-24  7:30             ` Ingo Molnar
2002-09-23 22:35         ` Mark Mielke
2002-09-23 19:59       ` Peter Waechtler
2002-09-23 20:36         ` Ingo Molnar
2002-09-23 21:08           ` Peter Wächtler
2002-09-23 22:44             ` Mark Mielke
2002-09-23 23:01               ` Bill Huey
2002-09-23 23:11                 ` Mark Mielke
2002-09-24  0:21                   ` Bill Huey
2002-09-24  3:20                     ` Mark Mielke
2002-09-23 23:57           ` Andy Isaacson
2002-09-24 18:10             ` Christoph Hellwig
2002-09-23 21:32       ` Bill Huey
2002-09-23 21:41       ` dean gaudet
2002-09-23 22:10         ` Bill Huey
2002-09-23 22:56         ` Mark Mielke
2002-09-24 10:02       ` Nikita Danilov
2002-09-23 21:22     ` Bill Huey
2002-09-23 21:03 ` Bill Huey
2002-09-24 12:03   ` Michael Sinz
2002-09-24 13:40     ` Peter Svensson
2002-09-24 14:20       ` Michael Sinz
2002-09-24 20:19 ` David Schwartz
2002-09-24 21:10   ` Chris Friesen
2002-09-24 21:22     ` Rik van Riel
2002-09-24 21:35       ` Roberto Peon
2002-09-24 21:35       ` Chris Friesen
2002-09-25 19:02     ` David Schwartz
2002-09-24 23:16   ` Peter Waechtler
2002-09-24 23:23     ` Rik van Riel
2002-09-25 19:05     ` David Schwartz
2002-09-23 16:36 Matthias Urlichs
     [not found] <987738530@toto.iv>
2002-09-24  2:48 ` Peter Chubb
2002-09-24  3:37   ` Mark Mielke

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