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From: "Eric D. Mudama" <edmudama@gmail.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Bart Van Assche <bart.vanassche@gmail.com>,
	Raz Ben-Yehuda <razb@bitband.com>,
	linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: Intel X25-M MLC SSD benchmarks
Date: Fri, 12 Dec 2008 08:55:27 -0700	[thread overview]
Message-ID: <311601c90812120755s5981a659s2049db14a85f68e6@mail.gmail.com> (raw)
In-Reply-To: <20081212152029.GL26095@parisc-linux.org>

On 12/12/08, Matthew Wilcox <matthew@wil.cx> wrote:
> On Fri, Dec 12, 2008 at 07:25:18AM -0700, Eric D. Mudama wrote:
>> Oops, I guess I assumed that by writing a few gigabytes of data it
>> wouldn't matter that much.  I'll run the test again in a bit once I'm
>> off this solaris machine.
>
> You need to rescale for 2008; people often have 4GB or more RAM in their
> machines ... hell, I have one machine here from 2002 with 14GB in it
> (I don't power it up very often because it's too noisy).  The test was
> only writing 1GB of data, which would fit in the page cache of my laptop,
> never mind the kind of machine that's likely to have an 8-way array
> attached to it.

I just retested on a linux box at work, and got 79 MB/s on both the
X18-M and X25-M, and 197MB/s on an X25-E.  All were done with bs=1M
count=1000 oflag=direct.

--eric

  reply	other threads:[~2008-12-12 15:55 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <AclbDGOLOskD7sbdTh+kIygApfPXZg==>
2008-12-10 21:15 ` Intel X25-M MLC SSD benchmarks Raz Ben-Yehuda
2008-12-10 21:39   ` Matthew Wilcox
2008-12-10 22:12     ` Raz Ben-Yehuda
2008-12-11  3:44       ` Matthew Wilcox
2008-12-12  3:27       ` Eric D. Mudama
2008-12-12  4:55         ` Eric D. Mudama
2008-12-12  7:15           ` Bart Van Assche
2008-12-12 14:25             ` Eric D. Mudama
2008-12-12 15:20               ` Matthew Wilcox
2008-12-12 15:55                 ` Eric D. Mudama [this message]
2008-12-12 17:12                   ` Raz Ben-Yehuda
2008-12-12 12:15           ` Matthew Wilcox
2008-12-12 12:21         ` Raz Ben-Yehuda
2008-12-12 18:10   ` Greg Freemyer

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