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From: Tejun Heo <htejun@gmail.com>
To: Soeren Sonnenburg <kernel@nn7.de>
Cc: Matteo Croce <rootkit85@yahoo.it>, linux-ide@vger.kernel.org
Subject: Re: [PATCH] AHCI PCI ID for MacBook Pro
Date: Sat, 10 Feb 2007 08:17:19 -0500	[thread overview]
Message-ID: <45CDC5DF.9060306@gmail.com> (raw)
In-Reply-To: <1171102758.19041.5.camel@localhost>

Soeren Sonnenburg wrote:
> On Fri, 2007-02-09 at 18:41 +0100, Matteo Croce wrote:
>> On Friday 09 February 2007 16:45:49 you wrote:
>>> On Fri, 2007-02-09 at 04:33 -0500, Tejun Heo wrote:
>>>> Root Kit wrote:
>>> [...]
>>> Hmmhh I cannot really reproduce this benchmark. Matteo, with which
>>> benchmarking program did you produce this ?
>>> [...]
>> bonnie++ from ubuntu repos
> 
> OK, I reran bonnie++ -d /tmp/ on a unencrypted partition - results are
> here http://nn7.de/bench/ahci.html . Looks like it is slightly faster
> for sequential block write (2MB/s faster) and sequential read using
> putc()  (1MB/s faster), though putc() is slowed down by 6MB/s.

I suspect the difference is caused by either the io scheduler in use or 
disk drive itself.

> However what may make it worth is that I don't see any errors on
> suspend/resume anymore...

Hmm... So, ata_piix fails to suspend/resume properly on your machine? 
It should work.  Can you describe how it fails?

-- 
tejun

  reply	other threads:[~2007-02-10 13:17 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-08 17:33 [PATCH] AHCI PCI ID for MacBook Pro Root Kit
2007-02-09  9:33 ` Tejun Heo
2007-02-09 14:27   ` Matteo Croce
2007-02-09 14:54     ` David M. Lloyd
2007-02-09 17:39       ` Matteo Croce
2007-02-09 18:15         ` David M. Lloyd
2007-02-09 18:51           ` Matteo Croce
2007-02-10 10:22           ` Soeren Sonnenburg
2007-02-10 14:03         ` Tejun Heo
2007-02-10 16:07           ` Soeren Sonnenburg
2007-02-10 17:10             ` Tejun Heo
2007-02-11 15:40           ` David M. Lloyd
2007-02-09 15:45   ` Soeren Sonnenburg
2007-02-09 17:41     ` Matteo Croce
2007-02-10 10:19       ` Soeren Sonnenburg
2007-02-10 13:17         ` Tejun Heo [this message]
2007-02-10 16:03           ` Soeren Sonnenburg
2007-02-10 17:17             ` Tejun Heo

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