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Date: Wed, 12 Dec 2007 16:50:40 +0100
From: Rene Herman <rene.herman@...access.nl>
To: Jiri Slaby <jirislaby@...il.com>
CC: Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFT] Port 0x80 I/O speed
On 12-12-07 12:25, Jiri Slaby wrote:
Thanks for reporting! You have two results that are somewhat off:
> Intel(R) Core(TM)2 Duo CPU E6850 @ 3.00GHz
> cycles: out 6500, in 3135
6500 / 3000 = 2.17. Fairly high...
> Intel(R) Xeon(R) CPU E5335 @ 2.00GHz
> cycles: out 3217, in 1898
3217 / 2000 = 1.61. Okay.
> Dual Core AMD Opteron(tm) Processor 275
> cycles: out 5508, in 5524
2200 MHz right?
5508 / 2200 = 2.50. Very high.
Nothing was dozing off in some ACPI sleep state or something?
Rene.
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