From: David Chinner <dgc@sgi.com>
To: linux-kernel@vger.kernel.org
Cc: Christoph Lameter <clameter@sgi.com>, Jens Axboe <axboe@suse.de>,
Andrew Morton <akpm@osdl.org>,
npiggin@suse.de, linux-mm@kvack.org
Subject: Re: Lockless page cache test results
Date: Sat, 29 Apr 2006 00:10:41 +1000 [thread overview]
Message-ID: <20060428141041.GB4657648@melbourne.sgi.com> (raw)
In-Reply-To: <20060428140146.GA4657648@melbourne.sgi.com>
On Sat, Apr 29, 2006 at 12:01:47AM +1000, David Chinner wrote:
>
>
> Loads Type blksize count av_time tput usr% sys% intr%
> ----- ---- ------- ----- ------- ------- ---- ---- -----
Sorry, I forgot units: (s) (MiB/s) (cpu usage)
> 1 read 256.00K 256.00K 82.92 789.59 1.80 215.40 18.40
> 2 read 256.00K 256.00K 53.97 1191.56 2.10 389.40 22.60
> 4 read 256.00K 256.00K 37.83 1724.63 2.20 776.00 29.30
> 8 read 256.00K 256.00K 52.57 1213.63 2.20 1423.60 24.30
> 16 read 256.00K 256.00K 60.05 1057.03 1.90 1951.10 24.30
> 32 read 256.00K 256.00K 82.13 744.73 2.00 2277.50 18.60
> ^^^^^^^ ^^^^^^^
And the reader is dd to /dev/null.
Cheers,
Dave.
--
Dave Chinner
R&D Software Enginner
SGI Australian Software Group
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next prev parent reply other threads:[~2006-04-28 14:10 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-26 13:53 Jens Axboe
2006-04-26 14:43 ` Nick Piggin
2006-04-26 19:46 ` Jens Axboe
2006-04-27 5:39 ` Chen, Kenneth W
2006-04-27 6:07 ` Nick Piggin
2006-04-27 6:15 ` Andi Kleen
2006-04-27 7:51 ` Chen, Kenneth W
2006-04-26 16:55 ` Andrew Morton
2006-04-26 17:42 ` Jens Axboe
2006-04-26 18:10 ` Andrew Morton
2006-04-26 18:23 ` Jens Axboe
2006-04-26 18:46 ` Andrew Morton
2006-04-26 19:21 ` Jens Axboe
2006-04-27 5:58 ` Nick Piggin
2006-04-26 18:34 ` Christoph Lameter
2006-04-26 18:47 ` Andrew Morton
2006-04-26 18:48 ` Christoph Lameter
2006-04-26 18:49 ` Jens Axboe
2006-04-26 20:31 ` Christoph Lameter
2006-04-28 14:01 ` David Chinner
2006-04-28 14:10 ` David Chinner [this message]
2006-04-30 9:49 ` Nick Piggin
2006-04-30 11:20 ` Nick Piggin
2006-04-30 11:39 ` Jens Axboe
2006-04-30 11:44 ` Nick Piggin
2006-04-26 18:58 ` Christoph Hellwig
2006-04-26 19:02 ` Jens Axboe
2006-04-26 19:00 ` Linus Torvalds
2006-04-26 19:15 ` Jens Axboe
2006-04-26 20:12 ` Andrew Morton
2006-04-27 7:45 ` Jens Axboe
2006-04-27 7:47 ` Jens Axboe
2006-04-27 7:57 ` Nick Piggin
2006-04-27 8:02 ` Nick Piggin
2006-04-27 9:00 ` Jens Axboe
2006-04-27 13:36 ` Nick Piggin
2006-04-27 8:36 ` Jens Axboe
[not found] ` <20060428112835.GA8072@mail.ustc.edu.cn>
2006-04-28 11:28 ` Wu Fengguang
2006-04-27 5:49 ` Nick Piggin
2006-04-27 15:12 ` Linus Torvalds
2006-04-28 4:54 ` Nick Piggin
2006-04-28 5:34 ` Linus Torvalds
2006-04-27 9:35 ` Jens Axboe
2006-04-27 5:22 ` Nick Piggin
2006-04-26 18:57 ` Jens Axboe
2006-04-27 2:19 ` KAMEZAWA Hiroyuki
2006-04-27 8:03 ` Jens Axboe
2006-04-27 11:16 ` Jens Axboe
2006-04-27 11:41 ` KAMEZAWA Hiroyuki
2006-04-27 11:45 ` Jens Axboe
2006-04-28 9:10 ` Pavel Machek
2006-04-28 9:21 ` Jens Axboe
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