Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759758AbXLLLom (ORCPT ); Wed, 12 Dec 2007 06:44:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758103AbXLLLoe (ORCPT ); Wed, 12 Dec 2007 06:44:34 -0500 Received: from nf-out-0910.google.com ([64.233.182.186]:46208 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758143AbXLLLod (ORCPT ); Wed, 12 Dec 2007 06:44:33 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:in-reply-to:references:x-mailer:mime-version:content-type:content-transfer-encoding; b=KW0tEjH37G5Jy3Avsc3nhs6PbAJhGMYn7EvMXY/OwDfb16w7Fhlbj5dpg4e8AvPmhzfjFkzkIHKjoIK77t7AmGc7AICJPioKYWSEK4ArK2JXzc7BRCVjFV+zvHjnRwIC77D2O80nj6xE16iIXCVuXOLILcfhvV1n7e003iJ8gwk= Date: Wed, 12 Dec 2007 12:43:34 +0100 From: Alejandro Riveira =?UTF-8?B?RmVybsOhbmRleg==?= To: Rene Herman Cc: Linux Kernel , dpreed@reed.com, Alan Cox , pavel@ucw.cz, andi@firstfloor.org, rol@as2917.net, Krzysztof Halasa , david@davidnewall.com, hpa@zytor.com, john@stoffel.org, linux-os@analogic.com Subject: Re: [RFT] Port 0x80 I/O speed Message-ID: <20071212124334.47377fed@Varda> In-Reply-To: <475F2846.1010402@keyaccess.nl> References: <475F1DC6.5090403@keyaccess.nl> <20071212004316.079e3a05@Varda> <475F227D.7050203@keyaccess.nl> <20071212010928.3c763ccd@Varda> <475F2846.1010402@keyaccess.nl> X-Mailer: Claws Mail 2.10.0 (GTK+ 2.12.0; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1243 Lines: 45 El Wed, 12 Dec 2007 01:16:06 +0100 Rene Herman escribió: > On 12-12-07 01:09, Alejandro Riveira Fernández wrote: [...] > > Great, thanks much for reporting. Sort of interesting in itself that without > -O2 you do still get correct results on 64-bit but for some other time. > > You're the first one to go significantly below 1 us it seems. :( I have seen the other msg and i have to say that the tests where done at 1GHz not at full speed. At full speed i see cycles: out 3025, in 1653 cycles: out 3040, in 1708 cycles: out 3044, in 1650 cycles: out 3034, in 1652 cycles: out 3035, in 1652 cycles: out 3037, in 1652 cycles: out 3043, in 1709 cycles: out 3032, in 1648 cycles: out 3039, in 1652 cycles: out 3041, in 1652 cycles: out 3048, in 1704 cycles: out 3040, in 1650 cycles: out 3023, in 1631 cycles: out 3036, in 1652 cycles: out 3042, in 1706 cycles: out 3047, in 1708 cycles: out 3047, in 1711 cycles: out 3036, in 1652 > > Rene. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/