From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263028AbUESM2n (ORCPT ); Wed, 19 May 2004 08:28:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264026AbUESM2n (ORCPT ); Wed, 19 May 2004 08:28:43 -0400 Received: from mail45.messagelabs.com ([140.174.2.179]:16553 "HELO mail45.messagelabs.com") by vger.kernel.org with SMTP id S263028AbUESM2l convert rfc822-to-8bit (ORCPT ); Wed, 19 May 2004 08:28:41 -0400 X-VirusChecked: Checked X-Env-Sender: justin.piszcz@mitretek.org X-Msg-Ref: server-7.tower-45.messagelabs.com!1084969718!3045435 X-StarScan-Version: 5.2.11; banners=-,-,- X-Originating-IP: [141.156.156.57] X-MimeOLE: Produced By Microsoft Exchange V6.5.6944.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Subject: RE: Linux 2.6.6 appears to be 3 to 4 times slower than 2.6.5. Date: Wed, 19 May 2004 08:28:16 -0400 Message-ID: <5D3C2276FD64424297729EB733ED1F7605FAEB88@email1.mitretek.org> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Linux 2.6.6 appears to be 3 to 4 times slower than 2.6.5. Thread-Index: AcQ9VPiXX/j8TXmzR5KxjqJlarj9GQAR7xvA From: "Piszcz, Justin Michael" To: "Bartlomiej Zolnierkiewicz" , "Justin Piszcz" , , Cc: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org It may not dause -data corruption- but it deleted a whole bunch of files that were in use before the previous reboot. -----Original Message----- From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Bartlomiej Zolnierkiewicz Sent: Tuesday, May 18, 2004 9:23 AM To: Justin Piszcz; baldrick@free.fr; gene.heskett@verizon.net Cc: linux-kernel@vger.kernel.org Subject: Re: Linux 2.6.6 appears to be 3 to 4 times slower than 2.6.5. On Monday 17 of May 2004 17:06, Justin Piszcz wrote: > Sorry to all, it turns out (in two separate cases I had two different > problems that affected the results). > > Case 1: No SMP turned on for CPU w/HT after fix (~4.78 seconds compile time > (2.6GHZ w/HT)) > Case 2: Box had 4GB of NON-ECC memory in it, only recognized 2.56GB, took > out (2) 1GB DDR DIMM's, and the speed returned what it should be. (~4.3 > seconds compile time (3.0GHZ w/HT)) > > The control box was a 2.53GHZ (533MHZ BUS w/NO HT) = ~5.3seconds > > I have not tested 2.6.6 recently, but in one of my tests I believe it > worked OK, ever since 2.6.6 removed my /etc/lilo.conf and /etc/mtab and > several other files, I do not wish to touch that kernel with a 10 foot poll > :-P due to the IDE disk flush/cache issue. I told you this already: 2.6.6 IDE changes don't cause data corruption - but fixes some instead (that's why there were merged so quickly!) so stop spreading FUD and see http://bugme.osdl.org/show_bug.cgi?id=2672. - 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/