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Subject: Re: General performance of NAND operations i.e mount and ls
From: Artem Bityutskiy <dedekind@infradead.org>
To: Konstantin Kletschke <lists@ku-gbr.de>
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Date: Thu, 06 Sep 2007 14:21:33 +0300
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On Thu, 2007-09-06 at 11:37 +0200, Konstantin Kletschke wrote:
> Okay, what would I roughly excpect on this system?
>=20
> # time dd if=3D/dev/mtd4 of=3D/dev/null bs=3D4096 count=3D512
> 512+0 records in
> 512+0 records out
> real    0m 0.61s
> user    0m 0.01s
> sys     0m 0.61s
> # time dd if=3D/dev/zero of=3D/dev/mtd4 bs=3D4096 count=3D512
> 512+0 records in
> 512+0 records out
> real    0m 1.08s
> user    0m 0.00s
> sys     0m 1.08s

Not sure about your system, but the hardware I worked with was ~8 times
faster on read and ~3 times faster on write.

--=20
Best regards,
Artem Bityutskiy (=D0=91=D0=B8=D1=82=D1=8E=D1=86=D0=BA=D0=B8=D0=B9 =D0=90=
=D1=80=D1=82=D1=91=D0=BC)