AMD Linux Tuning Guide
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Documents
2012
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27
pages
English
Documents
2012
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™AMD Opteron 6200 Series Processors
Linux Tuning Guide© 2012 Advanced Micro Devices, Inc. All rights reserved.
The contents of this document are provided in connection with Advanced Micro Devices, Inc. (“AMD”) products. AMD
makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication
and reserves the right to make changes to specifcations and product descriptions at any time without notice. The
information contained herein may be of a preliminary or advance nature and is subject to change without notice. No
license, whether express, implied, arising by estoppel or otherwise, to any intellectual property rights is granted by this
publication. Except as set forth in AMD’s Standard Terms and Conditions of Sale, AMD assumes no liability whatsoever,
and disclaims any express or implied warranty, relating to its products including, but not limited to, the implied warranty
of merchantability, ftness for a particular purpose, or infringement of any intellectual property right.
AMD’s products are not designed, intended, authorized or warranted for use as components in systems intended for
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Other product names used in this publication are for identifcation purposes only and may be trademarks of their respective companies.
2April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide
Contents
1.0 Introduction ………………………………………………………………………………………………………………………………………………………………………… 4
1.1 Intended Audience ………………………………………………………………………………………………………………………………………………… 4
1.2 AMD’s New Core Architecture Overview ……………………………………………………………………………………………………… 4
1.3 Shared Resources …………………………………………………………………………………………………………………………………………………… 6
1.4 Dedicated Resources …………………………………………………………………………………………………………………………………………… 6
1.5 Floating Point Capabilities …………………………………………………………………………………………………………………………………… 7
2.0 Getting Started …………………………………………………………………………………………………………………………………………………………………8
2.1 Physical Memory Confguration Check …………………………………………………………………………………………………………8
2.2 BIOS Confguration Summary ……………………………………………………………………………………………………………………………8
2.3 Check NUMA Confguration …………………………………………………………………………………………………………………………………9
2.4 STREAM to Verify Confguration ……………………………………………………………………………………………………………………… 10
2.5 Easy STREAM Using GCC Compiler ……………………………………………………………………………………………………………… 10
2.6 High Performance STREAM Using AMD Open64 Compiler ……………………………………………………………… 12
2.7 Run High Performance Linpack 14
3.0 Operating System and Software Choices ………………………………………………………………………………………………………… 15
3.1 HPC Example OS & Compiler Confgurations …………………………………………………………………………………………… 15
3.2 Linux Kernel Versions and Distributions ……………………………………………………………………………………………………… 16
3.3 Check Confguration After Installing Linux ………………………………………………………………………………………………… 17
3.4 Compiler Choices ………………………………………………………………………………………………………………………………………………… 17
3.5 Compiling for AMD’s New Core Architecture Instructions ………………………………………………………………… 18
3.6 Libraries ……………………………………………………………………………………………………………………………………………………………………… 19
3.7 Other Libraries and Tools …&#
