From: Jens Axboe <jens.axboe@oracle.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Arjan van de Ven <arjan@infradead.org>,
Christoph Hellwig <hch@infradead.org>,
Andrew Morton <akpm@zip.com.au>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Ulrich Drepper <drepper@redhat.com>,
Zach Brown <zach.brown@oracle.com>,
Evgeniy Polyakov <johnpol@2ka.mipt.ru>,
"David S. Miller" <davem@davemloft.net>,
Suparna Bhattacharya <suparna@in.ibm.com>,
Davide Libenzi <davidel@xmailserver.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: A quick fio test (was Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3)
Date: Fri, 23 Feb 2007 13:52:47 +0100 [thread overview]
Message-ID: <20070223125247.GO5737@kernel.dk> (raw)
In-Reply-To: <20070221211355.GA7302@elte.hu>
On Wed, Feb 21 2007, Ingo Molnar wrote:
> this is the v3 release of the syslet/threadlet subsystem:
>
> http://redhat.com/~mingo/syslet-patches/
[snip]
Ingo, some testing of the experimental syslet queueing stuff, in the
syslet-testing branch of fio.
Fio job file:
[global]
bs=8k
size=1g
direct=0
ioengine=syslet-rw
iodepth=32
rw=read
[file]
filename=/ramfs/testfile
Only changes between runs was changing ioengine and iodepth as indicated
in the table below.
Results:
Engine Depth Bw (MiB/sec)
--------------------------------------------
libaio 1 441
syslet 1 574
sync 1 589
libaio 32 613
syslet 32 681
Results are stable to within +/- 1MiB/sec. So you can see that syslet
are still a bit slower than sync for depth 1, but beats the pants off
libaio for equal depths. Note that this is buffered IO, I'll be out for
the weekend, but I'll hack some direct IO testing up next week to
compare "real" queuing.
Just a quick microbenchmark to gauge current overhead...
--
Jens Axboe
next prev parent reply other threads:[~2007-02-23 12:53 UTC|newest]
Thread overview: 338+ 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
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 ` Jens Axboe [this message]
2007-02-23 13:55 ` A quick fio test (was Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3) 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 --
2007-02-27 14:03 A quick fio test (was Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3) Indan Zupancic
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