From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759912AbXLLPz2 (ORCPT ); Wed, 12 Dec 2007 10:55:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757618AbXLLPzR (ORCPT ); Wed, 12 Dec 2007 10:55:17 -0500 Received: from an-out-0708.google.com ([209.85.132.247]:28371 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756996AbXLLPzP (ORCPT ); Wed, 12 Dec 2007 10:55:15 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding:from; b=BvBRWmHHkvBv8ZzR/jLdvxCAiXFV/bdJAa/Q/Z/iVZdTufo2vtRx2eHrFH9nUO+xYkfQnGuD3taAJ43hhe7qcH9/7s4yvsEuh4OCNZ940ZfIFfTy2sWWeTiJRhdSKrCDZnwftamNi/5MSjmQKI9Tv8DLTSKnlNdi1wcCDusy6Z4= Message-ID: <4760040B.9000805@keyaccess.nl> Date: Wed, 12 Dec 2007 16:53:47 +0100 User-Agent: Thunderbird 2.0.0.9 (X11/20071031) MIME-Version: 1.0 To: Jiri Slaby CC: Linux Kernel Subject: Re: [RFT] Port 0x80 I/O speed References: <475F1DC6.5090403@keyaccess.nl> <475FA060.6070004@gmail.com> <4af2d03a0712120325n50d057baq7ec440c5e57fda39@mail.gmail.com> In-Reply-To: <4af2d03a0712120325n50d057baq7ec440c5e57fda39@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit From: Rene Herman Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.