From: Avi Kivity <avi@argo.co.il>
To: David Miller <davem@davemloft.net>
Cc: johnpol@2ka.mipt.ru, arjan@infradead.org, mingo@elte.hu,
drepper@redhat.com, linux-kernel@vger.kernel.org,
torvalds@linux-foundation.org, hch@infradead.org,
akpm@zip.com.au, alan@lxorguk.ukuu.org.uk, zach.brown@oracle.com,
suparna@in.ibm.com, davidel@xmailserver.org,
jens.axboe@oracle.com, tglx@linutronix.de
Subject: Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3
Date: Thu, 22 Feb 2007 16:53:24 +0200 [thread overview]
Message-ID: <45DDAE64.8070603@argo.co.il> (raw)
In-Reply-To: <20070222.054127.104035694.davem@davemloft.net>
David Miller wrote:
> From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
> Date: Thu, 22 Feb 2007 15:39:30 +0300
>
>
>> It does not matter - even with threads cost of having thousands of
>> threads is _too_ expensive. So, IMO, it is wrong to have to create
>> 20k threads for the simple web server which only sends one index page to
>> 80k connections with 4k connections per seconds rate.
>>
>> Just have that example in mind - more than 20k blocks in 80k connections
>> over gigabit lan, and it is likely optimistic result, when designing new
>> type of AIO.
>>
>
> I totally agree with Evgeniy on these points.
>
> Using things like syslets and threadlets for networking I/O
> is not a very good idea. Blocking is more the norm than the
> exception for networking I/O.
>
And for O_DIRECT, and for large storage systems which overwhelm caches.
The optimize for the nonblocking case approach does not fit all
workloads. And of course we have to be able to mix mostly-nonblocking
threadlets and mostly-blocking O_DIRECT and networking.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2007-02-22 14:54 UTC|newest]
Thread overview: 353+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-21 21:13 [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 Ingo Molnar
2007-02-21 21:14 ` [patch 01/13] syslets: add async.h include file, kernel-side API definitions Ingo Molnar
2007-02-21 21:15 ` [patch 02/13] syslets: add syslet.h include file, user API/ABI definitions Ingo Molnar
2007-02-21 21:15 ` [patch 03/13] syslets: generic kernel bits Ingo Molnar
2007-02-21 21:15 ` [patch 04/13] syslets: core code Ingo Molnar
2007-02-23 23:08 ` Davide Libenzi
2007-02-24 7:04 ` Ingo Molnar
2007-02-24 21:10 ` Davide Libenzi
2007-02-24 22:08 ` Kyle Moffett
2007-02-24 22:25 ` Davide Libenzi
2007-02-25 7:59 ` Ingo Molnar
2007-02-21 21:15 ` [patch 05/13] syslets: core, documentation Ingo Molnar
2007-02-26 21:32 ` Randy Dunlap
2007-02-27 6:20 ` Ingo Molnar
2007-02-21 21:15 ` [patch 06/13] x86: split FPU state from task state Ingo Molnar
2007-02-21 21:15 ` [patch 07/13] syslets: x86, add create_async_thread() method Ingo Molnar
2007-02-21 21:15 ` [patch 08/13] syslets: x86, add move_user_context() method Ingo Molnar
2007-02-21 23:03 ` Davide Libenzi
2007-02-21 23:20 ` Ingo Molnar
2007-02-22 4:10 ` Davide Libenzi
2007-02-21 21:15 ` [patch 09/13] syslets: x86, mark async unsafe syscalls Ingo Molnar
2007-02-21 21:15 ` [patch 10/13] syslets: x86: enable ASYNC_SUPPORT Ingo Molnar
2007-02-21 21:15 ` [patch 11/13] syslets: x86, wire up the syslet system calls Ingo Molnar
2007-02-21 21:15 ` [patch 12/13] syslets: x86: optimized copy_uatom() Ingo Molnar
2007-02-21 21:16 ` [patch 13/13] syslets: x86: optimized sys_umem_add() Ingo Molnar
2007-02-21 22:46 ` [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 Michael K. Edwards
2007-02-21 22:57 ` Ingo Molnar
2007-02-22 0:53 ` Michael K. Edwards
2007-02-22 1:33 ` Michael K. Edwards
2007-02-22 6:51 ` Ingo Molnar
2007-02-22 8:59 ` Michael K. Edwards
2007-02-22 19:52 ` x86 hardware and transputers (Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3) Oleg Verych
2007-02-22 20:45 ` Michael K. Edwards
2007-02-21 23:03 ` [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 Ingo Molnar
2007-02-21 23:24 ` Ingo Molnar
2007-02-22 0:55 ` Michael K. Edwards
2007-02-21 23:31 ` Ingo Molnar
2007-02-21 23:46 ` Ulrich Drepper
2007-02-22 7:40 ` Ingo Molnar
2007-02-22 11:31 ` Evgeniy Polyakov
2007-02-22 11:52 ` Arjan van de Ven
2007-02-22 12:39 ` Evgeniy Polyakov
2007-02-22 13:41 ` David Miller
2007-02-22 14:31 ` Ingo Molnar
2007-02-22 14:47 ` David Miller
2007-02-22 15:02 ` Evgeniy Polyakov
2007-02-22 15:15 ` Ingo Molnar
2007-02-22 15:29 ` Ingo Molnar
2007-02-22 17:17 ` David Miller
2007-02-23 11:12 ` Ingo Molnar
2007-02-22 20:13 ` Davide Libenzi
2007-02-22 21:30 ` Zach Brown
2007-02-22 14:59 ` Ingo Molnar
2007-02-22 21:42 ` Michael K. Edwards
2007-02-22 14:53 ` Avi Kivity [this message]
2007-02-22 12:59 ` Ingo Molnar
2007-02-22 13:32 ` Evgeniy Polyakov
2007-02-22 19:46 ` Davide Libenzi
2007-02-23 12:15 ` Evgeniy Polyakov
2007-02-23 17:43 ` Davide Libenzi
2007-02-23 18:01 ` Evgeniy Polyakov
2007-02-23 20:43 ` Davide Libenzi
2007-02-23 11:51 ` Ingo Molnar
2007-02-23 12:22 ` Evgeniy Polyakov
2007-02-23 12:41 ` Evgeniy Polyakov
2007-02-25 17:45 ` Ingo Molnar
2007-02-25 18:09 ` Evgeniy Polyakov
2007-02-25 19:04 ` Ingo Molnar
2007-02-25 19:42 ` Evgeniy Polyakov
2007-02-25 20:38 ` Ingo Molnar
2007-02-26 12:39 ` Ingo Molnar
2007-02-26 14:05 ` Evgeniy Polyakov
2007-02-26 14:15 ` Ingo Molnar
2007-02-26 16:55 ` Evgeniy Polyakov
2007-02-26 20:35 ` Ingo Molnar
2007-02-26 22:06 ` Bill Huey
2007-02-27 10:09 ` Evgeniy Polyakov
2007-02-27 17:13 ` Pavel Machek
2007-02-27 2:18 ` Davide Libenzi
2007-02-27 10:13 ` Evgeniy Polyakov
2007-02-27 16:01 ` Davide Libenzi
2007-02-27 16:21 ` Evgeniy Polyakov
2007-02-27 16:58 ` Eric Dumazet
2007-02-27 17:06 ` Evgeniy Polyakov
2007-02-27 19:20 ` Davide Libenzi
2007-02-26 19:47 ` Davide Libenzi
2007-02-25 23:14 ` Michael K. Edwards
2007-02-22 14:17 ` Suparna Bhattacharya
2007-02-22 14:36 ` Ingo Molnar
2007-02-23 14:23 ` Suparna Bhattacharya
2007-02-22 21:24 ` Michael K. Edwards
2007-02-23 0:30 ` Alan
2007-02-23 2:47 ` Michael K. Edwards
2007-02-23 8:31 ` Michael K. Edwards
2007-02-23 10:22 ` Ingo Molnar
2007-02-23 12:37 ` Alan
2007-02-23 23:49 ` Michael K. Edwards
2007-02-24 1:08 ` Alan
2007-02-24 0:51 ` Michael K. Edwards
2007-02-24 2:17 ` Michael K. Edwards
2007-02-24 3:25 ` Michael K. Edwards
2007-02-23 12:17 ` Ingo Molnar
2007-02-24 19:52 ` Michael K. Edwards
2007-02-24 21:04 ` Davide Libenzi
2007-02-24 23:01 ` Michael K. Edwards
2007-02-25 22:44 ` Linus Torvalds
2007-02-26 13:11 ` Ingo Molnar
2007-02-26 17:37 ` Evgeniy Polyakov
2007-02-26 18:19 ` Arjan van de Ven
2007-02-26 18:38 ` Evgeniy Polyakov
2007-02-26 18:56 ` Chris Friesen
2007-02-26 19:20 ` Evgeniy Polyakov
2007-02-26 17:28 ` Evgeniy Polyakov
2007-02-26 17:57 ` Linus Torvalds
2007-02-26 18:32 ` Evgeniy Polyakov
2007-02-26 19:22 ` Linus Torvalds
2007-02-26 19:30 ` Evgeniy Polyakov
2007-02-26 20:04 ` Linus Torvalds
2007-02-27 8:09 ` Evgeniy Polyakov
2007-02-26 19:54 ` Ingo Molnar
2007-02-27 10:28 ` Evgeniy Polyakov
2007-02-27 11:52 ` Theodore Tso
2007-02-27 12:11 ` Evgeniy Polyakov
2007-02-27 12:13 ` Ingo Molnar
2007-02-27 12:40 ` Evgeniy Polyakov
2007-02-28 16:14 ` Pavel Machek
2007-03-01 8:18 ` Evgeniy Polyakov
2007-03-01 9:26 ` Pavel Machek
2007-03-01 9:47 ` Evgeniy Polyakov
2007-03-01 9:54 ` Ingo Molnar
2007-03-01 10:59 ` Evgeniy Polyakov
2007-03-01 11:00 ` Ingo Molnar
2007-03-01 11:16 ` Evgeniy Polyakov
2007-03-01 11:27 ` Ingo Molnar
2007-03-01 11:36 ` Evgeniy Polyakov
2007-03-01 11:41 ` Ingo Molnar
2007-03-01 11:47 ` Ingo Molnar
2007-03-01 12:10 ` Evgeniy Polyakov
2007-03-01 12:43 ` Ingo Molnar
2007-03-01 13:01 ` Evgeniy Polyakov
2007-03-01 13:11 ` Ingo Molnar
2007-03-01 13:30 ` Evgeniy Polyakov
2007-03-01 14:19 ` Eric Dumazet
2007-03-01 14:16 ` Ingo Molnar
2007-03-01 14:31 ` Eric Dumazet
2007-03-01 14:27 ` Ingo Molnar
2007-03-01 14:54 ` Evgeniy Polyakov
2007-03-01 15:09 ` Ingo Molnar
2007-03-01 15:36 ` Evgeniy Polyakov
2007-03-02 10:57 ` Ingo Molnar
2007-03-02 11:48 ` Evgeniy Polyakov
2007-03-02 17:32 ` Davide Libenzi
2007-03-02 19:39 ` Ingo Molnar
2007-03-02 20:18 ` Davide Libenzi
2007-03-02 20:29 ` Ingo Molnar
2007-03-02 20:53 ` Davide Libenzi
2007-03-02 21:21 ` Michael K. Edwards
2007-03-02 21:43 ` Nicholas Miell
2007-03-03 0:52 ` Davide Libenzi
2007-03-03 1:36 ` Nicholas Miell
2007-03-03 1:48 ` Benjamin LaHaise
2007-03-03 2:19 ` Davide Libenzi
2007-03-03 7:19 ` Ingo Molnar
2007-03-03 7:20 ` Ingo Molnar
2007-03-03 9:02 ` Davide Libenzi
2007-03-01 19:31 ` Davide Libenzi
2007-03-02 8:10 ` Evgeniy Polyakov
2007-03-02 17:13 ` Davide Libenzi
2007-03-02 19:13 ` Davide Libenzi
2007-03-03 10:06 ` Evgeniy Polyakov
2007-03-03 18:46 ` Davide Libenzi
2007-03-03 20:31 ` Evgeniy Polyakov
2007-03-03 21:57 ` Davide Libenzi
2007-03-03 22:10 ` Davide Libenzi
2007-03-04 16:23 ` Kirk Kuchov
2007-03-04 17:46 ` Kyle Moffett
2007-03-05 5:23 ` Michael K. Edwards
2007-03-04 21:17 ` Davide Libenzi
2007-03-04 22:49 ` Kirk Kuchov
2007-03-04 22:57 ` Davide Libenzi
2007-03-05 4:46 ` Magnus Naeslund(k)
2007-03-06 8:19 ` Pavel Machek
2007-03-07 12:02 ` Kirk Kuchov
2007-03-07 17:26 ` Linus Torvalds
2007-03-07 17:39 ` Ingo Molnar
2007-03-07 18:21 ` Kirk Kuchov
2007-03-07 18:24 ` Jens Axboe
2007-03-07 18:32 ` Evgeniy Polyakov
2007-03-01 12:01 ` Evgeniy Polyakov
2007-03-01 11:14 ` Eric Dumazet
2007-03-01 11:20 ` Evgeniy Polyakov
2007-03-01 11:28 ` Eric Dumazet
2007-03-01 11:47 ` Evgeniy Polyakov
2007-03-01 13:12 ` Eric Dumazet
2007-03-01 14:43 ` Evgeniy Polyakov
2007-03-01 14:47 ` Ingo Molnar
2007-03-01 15:23 ` Evgeniy Polyakov
2007-03-01 15:32 ` Eric Dumazet
2007-03-01 15:41 ` Eric Dumazet
2007-03-01 15:51 ` Evgeniy Polyakov
2007-03-01 15:47 ` Evgeniy Polyakov
2007-03-01 19:47 ` Davide Libenzi
2007-03-01 14:57 ` Evgeniy Polyakov
2007-03-01 12:19 ` Evgeniy Polyakov
2007-03-01 12:34 ` Ingo Molnar
2007-03-01 13:26 ` Evgeniy Polyakov
2007-03-01 13:32 ` Ingo Molnar
2007-03-01 14:24 ` Evgeniy Polyakov
2007-03-01 16:56 ` David Lang
2007-03-01 17:56 ` Evgeniy Polyakov
2007-03-01 18:41 ` David Lang
2007-03-01 19:19 ` Davide Libenzi
2007-03-01 10:11 ` Pavel Machek
2007-03-01 10:19 ` Ingo Molnar
2007-03-01 11:18 ` Evgeniy Polyakov
2007-03-02 10:27 ` Pavel Machek
2007-03-02 10:37 ` Evgeniy Polyakov
2007-03-02 10:56 ` Ingo Molnar
2007-03-02 11:08 ` Evgeniy Polyakov
2007-03-02 17:28 ` Davide Libenzi
2007-03-03 10:27 ` Evgeniy Polyakov
2007-03-01 19:24 ` Johann Borck
2007-03-01 19:37 ` David Lang
2007-03-01 20:34 ` Johann Borck
2007-02-27 12:34 ` Ingo Molnar
2007-02-27 13:14 ` Evgeniy Polyakov
2007-02-27 13:32 ` Avi Kivity
2007-02-28 3:03 ` Michael K. Edwards
2007-02-28 8:02 ` Evgeniy Polyakov
2007-02-28 17:01 ` Michael K. Edwards
2007-03-05 2:16 ` Discussing LKML community [OT from the Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3] Oleg Verych
2007-02-28 16:38 ` [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 Phillip Susi
2007-02-22 19:38 ` Davide Libenzi
2007-02-28 9:45 ` Ingo Molnar
2007-02-28 16:17 ` Davide Libenzi
2007-02-28 16:42 ` Linus Torvalds
2007-02-28 17:26 ` Ingo Molnar
2007-02-28 18:22 ` Davide Libenzi
2007-02-28 18:42 ` Linus Torvalds
2007-02-28 18:50 ` Davide Libenzi
2007-02-28 19:03 ` Chris Friesen
2007-02-28 19:42 ` Davide Libenzi
2007-03-01 8:38 ` Evgeniy Polyakov
2007-03-01 9:28 ` Evgeniy Polyakov
2007-02-28 23:12 ` Ingo Molnar
2007-03-01 1:33 ` Andrea Arcangeli
2007-03-01 9:15 ` Evgeniy Polyakov
2007-03-01 21:27 ` Linus Torvalds
2007-02-28 20:21 ` Ingo Molnar
2007-02-28 21:09 ` Davide Libenzi
2007-02-28 21:23 ` Ingo Molnar
2007-02-28 21:46 ` Davide Libenzi
2007-02-28 22:22 ` Ingo Molnar
2007-02-28 22:47 ` Davide Libenzi
2007-02-22 21:23 ` Zach Brown
2007-02-22 21:32 ` Benjamin LaHaise
2007-02-22 21:44 ` Zach Brown
2007-02-22 1:04 ` Michael K. Edwards
2007-02-22 7:00 ` Ingo Molnar
2007-02-22 9:29 ` Michael K. Edwards
2007-02-22 10:01 ` Suparna Bhattacharya
2007-02-22 11:20 ` Ingo Molnar
2007-02-23 12:52 ` A quick fio test (was Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3) Jens Axboe
2007-02-23 13:55 ` Suparna Bhattacharya
2007-02-23 14:58 ` Ingo Molnar
2007-02-23 15:15 ` Suparna Bhattacharya
2007-02-23 16:25 ` Jens Axboe
2007-02-23 17:13 ` Suparna Bhattacharya
2007-02-23 18:35 ` Jens Axboe
2007-02-26 13:57 ` Jens Axboe
2007-02-26 14:13 ` Suparna Bhattacharya
2007-02-26 14:18 ` Ingo Molnar
2007-02-26 14:45 ` Jens Axboe
2007-02-27 4:33 ` Suparna Bhattacharya
2007-02-27 9:42 ` Jens Axboe
2007-02-27 11:12 ` Evgeniy Polyakov
2007-02-27 11:29 ` Jens Axboe
2007-02-27 12:19 ` Evgeniy Polyakov
2007-02-27 18:45 ` Jens Axboe
2007-02-27 19:08 ` Evgeniy Polyakov
2007-02-27 19:25 ` Jens Axboe
2007-02-27 12:39 ` Suparna Bhattacharya
2007-02-28 8:31 ` Jens Axboe
2007-02-28 8:38 ` Ingo Molnar
2007-02-28 9:07 ` Jens Axboe
2007-02-27 13:54 ` Avi Kivity
2007-02-27 15:25 ` Ingo Molnar
2007-02-27 16:15 ` Avi Kivity
2007-02-27 16:16 ` Ingo Molnar
2007-02-27 16:26 ` Avi Kivity
2007-02-27 18:49 ` Jens Axboe
2007-02-26 21:40 ` Davide Libenzi
2007-02-23 16:59 ` Ingo Molnar
2007-02-23 22:31 ` Joel Becker
2007-02-24 12:18 ` Jens Axboe
2007-02-24 7:41 ` [patchset] Syslets/threadlets, generic AIO support, v4 Ingo Molnar
2007-02-24 18:34 ` [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 Evgeniy Polyakov
2007-02-25 17:23 ` Ingo Molnar
2007-02-25 17:44 ` Evgeniy Polyakov
2007-02-25 17:54 ` Ingo Molnar
2007-02-25 18:21 ` Evgeniy Polyakov
2007-02-25 18:22 ` Ingo Molnar
2007-02-25 18:37 ` Evgeniy Polyakov
2007-02-25 18:34 ` Ingo Molnar
2007-02-25 20:01 ` Frederik Deweerdt
2007-02-25 19:21 ` Ingo Molnar
[not found] ` <20070225194645.GB1353@2ka.mipt.ru>
[not found] ` <20070225195308.GC15681@elte.hu>
[not found] ` <Pine.LNX.4.64.0702251232350.6011@alien.or.mcafeemobile.com>
2007-02-25 21:34 ` threadlets as 'naive pool of threads', epoll, some measurements Ingo Molnar
2007-02-26 10:45 ` Ingo Molnar
2007-02-26 11:48 ` Ingo Molnar
2007-02-26 12:25 ` Evgeniy Polyakov
2007-02-26 12:50 ` Ingo Molnar
2007-02-26 14:32 ` Evgeniy Polyakov
2007-02-26 20:23 ` Ingo Molnar
2007-02-27 8:16 ` Evgeniy Polyakov
2007-02-27 8:27 ` Ingo Molnar
2007-02-27 10:37 ` Evgeniy Polyakov
2007-02-27 12:15 ` Ingo Molnar
2007-02-27 12:22 ` Evgeniy Polyakov
2007-02-26 21:22 ` Davide Libenzi
2007-02-26 8:16 ` [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 Ingo Molnar
2007-02-26 9:25 ` Evgeniy Polyakov
2007-02-26 9:55 ` Ingo Molnar
2007-02-26 10:31 ` Ingo Molnar
2007-02-26 10:43 ` Evgeniy Polyakov
2007-02-26 20:02 ` Davide Libenzi
2007-02-26 10:33 ` Evgeniy Polyakov
2007-02-26 10:35 ` Ingo Molnar
2007-02-26 10:47 ` Evgeniy Polyakov
2007-02-26 12:51 ` Ingo Molnar
2007-02-26 16:46 ` Evgeniy Polyakov
2007-02-27 6:24 ` Ingo Molnar
2007-02-27 10:41 ` Evgeniy Polyakov
2007-02-27 10:49 ` Ingo Molnar
2007-02-25 18:25 ` Evgeniy Polyakov
2007-02-25 18:24 ` Ingo Molnar
2007-02-25 14:33 ` Threadlet/syslet v4 bug report Evgeniy Polyakov
2007-02-25 15:24 ` Evgeniy Polyakov
-- strict thread matches above, loose matches on Subject: below --
2007-02-22 12:27 [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 linux
2007-02-22 13:40 ` David Miller
2007-02-22 23:52 ` linux
2007-02-25 19:10 Al Boldi
2007-02-25 19:11 Al Boldi
2007-02-27 14:15 Al Boldi
2007-02-27 19:22 ` Theodore Tso
2007-03-01 10:21 ` Pavel Machek
2007-02-27 14:15 Al Boldi
[not found] <efa6f5910703021120ia0b8d18ne0c806eb2e73da4c@mail.gmail.com>
[not found] ` <20070303103427.GC22557@2ka.mipt.ru>
2007-03-03 10:58 ` Ihar `Philips` Filipau
2007-03-03 11:03 ` Evgeniy Polyakov
2007-03-03 11:51 ` Ihar `Philips` Filipau
2007-03-03 21:12 ` Ray Lee
2007-03-03 22:14 ` Ihar `Philips` Filipau
2007-03-03 23:54 ` Ray Lee
2007-03-04 9:33 ` Michael K. Edwards
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