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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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  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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