Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752208AbZIURQs (ORCPT ); Mon, 21 Sep 2009 13:16:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752175AbZIURQq (ORCPT ); Mon, 21 Sep 2009 13:16:46 -0400 Received: from lucidpixels.com ([75.144.35.66]:52699 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752167AbZIURQp (ORCPT ); Mon, 21 Sep 2009 13:16:45 -0400 Date: Mon, 21 Sep 2009 13:16:48 -0400 (EDT) From: Justin Piszcz To: linux-kernel@vger.kernel.org cc: news@phoronix.com Subject: Intel P55KG motherboard benchmarks, why are the benchmarks slow? Message-ID: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1862 Lines: 40 Hello, This has been discussed in a few forums: http://www.phoronix.com/scan.php?page=article&item=intel_p55&num=3 Specifically: [ 0.781758] ACPI Warning: \_PR_.CPU0._PSS: Return type mismatch - found Integer, expected Package 20090521 nspredef-940 [ 0.781763] ACPI: Invalid _PSS data [ 0.781855] [Firmware Bug]: BIOS needs update for CPU frequency support [ 0.781897] ACPI Warning: \_PR_.CPU2._PSS: Return type mismatch - found Integer, expected Package 20090521 nspredef-940 [ 0.781900] ACPI: Invalid _PSS data [ 0.782000] [Firmware Bug]: BIOS needs update for CPU frequency support [ 0.782040] ACPI Warning: \_PR_.CPU4._PSS: Return type mismatch - found Integer, expected Package 20090521 nspredef-940 [ 0.782044] ACPI: Invalid _PSS data [ 0.782140] [Firmware Bug]: BIOS needs update for CPU frequency support [ 0.782180] ACPI Warning: \_PR_.CPU6._PSS: Return type mismatch - found Integer, expected Package 20090521 nspredef-940 [ 0.782184] ACPI: Invalid _PSS data Could this be the culprit as to why the i870 was so slow during all of the benchmarks here: http://www.phoronix.com/scan.php?page=article&item=intel_lynnfield&num=1 While the anandtech article: http://anandtech.com/cpuchipsets/showdoc.aspx?i=3641 - Shows the new 870 outperforming the 920 in nearly every test? - Why is the linux performance so poor? BIOS issue? - Does anyone have any new benchmarks with an updated BIOS? - Or, are the benchmarks on anandtech taking advantage of new features in the CPU not available with programs compiled with GCC or is this just due to the BIOS bug? I suspect the latter, but was curious.. Justin. -- 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/