From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Joris <joris@v5.be>
Cc: Linux IDE <linux-ide@vger.kernel.org>
Subject: Re: ICH7: ata_piix twice as fast as ahci?
Date: Sun, 17 Feb 2008 17:20:45 +0000 [thread overview]
Message-ID: <20080217172045.050afd14@core> (raw)
In-Reply-To: <6b9952490802170839m4456353ejfd5a68d0aaccdf88@mail.gmail.com>
> Am I interpreting this correctly as having to choose between fast iops
> with low cpu (+ hotplug) with ahci and twice the linear read speed
> with ata_piix?
Some drives do weird things when NCQ is used and turn off some of their
caching in that case so it depends on the drive what happens to linear
speed.
Alan
next prev parent reply other threads:[~2008-02-17 17:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-17 15:41 ICH7: ata_piix twice as fast as ahci? Joris
2008-02-17 16:10 ` Alan Cox
2008-02-17 16:39 ` Joris
2008-02-17 17:20 ` Alan Cox [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-04-25 3:09 kyle
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