From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guillaume Gardet Subject: Re: Beagleboard xM - Bogomips are very low Date: Wed, 20 Mar 2013 17:26:48 +0100 Message-ID: <5149E348.2040101@free.fr> References: <5148819A.5040500@free.fr> <5149B028.9010703@yahoo.com> Reply-To: guillaume.gardet@free.fr Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from smtp6-g21.free.fr ([212.27.42.6]:48875 "EHLO smtp6-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932536Ab3CTQ05 (ORCPT ); Wed, 20 Mar 2013 12:26:57 -0400 In-Reply-To: <5149B028.9010703@yahoo.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Frank Agius Cc: linux-omap@vger.kernel.org, openSUSE ARM ML Le 20/03/2013 13:48, Frank Agius a =E9crit : > On 3/19/2013 11:17 AM, Guillaume Gardet wrote: >> Hi, >> >> On a Beagleboard xM rev. B, I noticed that vanilla kernel 3.4.6 have= the >> folowing bogomips for 300MHz and 800 MHz operations: 262.08 and 700.= 57. >> >> With kernel 3.7.10, I have : 175.65 and 467.41 bogompis. >> >> Any idea why bogomips are so low now? >> > > I believe this is the reason for the BogoMIPS change: > > http://www.spinics.net/lists/arm-kernel/msg221672.html > > It looks like BogoMIPS reporting changed because of the delay routine= patch introduced in 3.6. So the change in BogoMIPS is real, but shoul= d not be a concern. Thanks for the pointer. So, it should not affect performances. I will try to bench it, to be sure there is no hidden problem. Thanks. Guillaume > > frank agius > >> Guillaume >> >> --=20 >> To unsubscribe from this list: send the line "unsubscribe linux-omap= " in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html