From: Hamish Moffatt <hamish@cloud.net.au>
To: Alexey Korolev <akorolev@infradead.org>
Cc: dwmw2@infradead.org, joern@logfs.org,
linux-mtd@lists.infradead.org, tglx@linutronix.de
Subject: Re: [PATCH][RFC] NAND subpage read feature. Take 2.
Date: Thu, 1 May 2008 14:40:27 +1000 [thread overview]
Message-ID: <20080501044027.GA26541@cloud.net.au> (raw)
In-Reply-To: <Pine.LNX.4.64.0804301301360.6788@pentafluge.infradead.org>
On Wed, Apr 30, 2008 at 01:13:24PM +0100, Alexey Korolev wrote:
> This patch enables NAND subpage read functionality.
[..]
> As I know some of you already use this feature. I would be much
> appreciate if you give me some performance numbers. It may assist to get this
> feature included.
To attach my 512Mb NAND with UBI, with software NAND controller
(plat_nand), on a 533MHz IXP4xx, I measure:
No partial reads: 5.75 seconds
Previous partial read patch: 2.72 seconds
New subpage read patch: 2.42 seconds
Very fine. Thanks.
Hamish
--
Hamish Moffatt VK3SB <hamish@debian.org> <hamish@cloud.net.au>
next prev parent reply other threads:[~2008-05-01 4:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-30 12:13 [PATCH][RFC] NAND subpage read feature. Take 2 Alexey Korolev
2008-05-01 4:40 ` Hamish Moffatt [this message]
2008-05-01 5:34 ` MTD PARTITION Aneesh
2008-05-14 17:13 ` [PATCH][RFC] NAND subpage read feature. Take 2 Alexey Korolev
2008-05-01 20:25 ` Jörn Engel
2008-05-04 8:46 ` Alexander Belyakov
2008-05-05 7:37 ` Jörn Engel
2008-05-05 12:10 ` Alexander Belyakov
2008-05-05 15:39 ` Jörn Engel
2008-05-06 9:29 ` Alexander Belyakov
2008-05-08 15:30 ` Jörn Engel
2008-05-08 15:33 ` Artem Bityutskiy
2008-05-08 15:38 ` Jörn Engel
2008-05-06 0:15 ` Hamish Moffatt
2008-05-06 6:15 ` Jörn Engel
2008-05-06 9:42 ` Hamish Moffatt
2008-05-06 10:47 ` Jörn Engel
2008-05-14 17:34 ` Alexey Korolev
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