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Message-ID: <alpine.DEB.2.00.0909211309380.30027@p34.internal.lan> Date: Mon, 21 Sep 2009 13:16:48 -0400 (EDT) From: Justin Piszcz <jpiszcz@...idpixels.com> To: linux-kernel@...r.kernel.org cc: news@...ronix.com Subject: Intel P55KG motherboard benchmarks, why are the benchmarks slow? 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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