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AMD Opteron™ 6200 Series ProcessorsLinux Tuning Guide

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide10node distances:node 0 1 2 3 0: 10 16 16 16 1: 16 10 16 16 2: 16 16 10 16

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide11 • RUN STREAM Run STREAM on all 32 cores of a 2P system with AMD Opteron™ 6276 Series processors

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide12At least 20% better STREAM performance can be achieved using GCC 4.6.0 or later, but these later

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide13Add: 16798.1705 0.1253 0.1248 0.1267Triad: 16724.2629 0.1259

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide14Increase the size of the arrays if this shows thatyou are not getting at least 20 clock ticks per

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide153.0 Operating System and Software ChoicesThis section helps you understand the various operating

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide163.2 Linux Kernel Versions and DistributionsFor best possible performance, you should use an enab

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide173.3 Check Configuration After Installing LinuxRun free: at the command line and check that the to

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide183.5 Compiling for AMD’s New Core Architecture InstructionsThe shared floating point unit for the

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide193.6 LibrariesSpecial purpose high-performance libraries are another important contributor to app

2© 2012 Advanced Micro Devices, Inc. All rights reserved.The contents of this document are provided in connection with Advanced Micro Devices, Inc. (“

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide204.0 Configure a Performant Production SystemThis section provides tasks to help you check existin

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide21P3 := Freq: 2300 MHzP4 := Freq: 1400 MHzIn this example, P0 is the highest non-boosted P st

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide22 • If performance is paramount, enable C6, APM, HPC P-state Mode, and put Linux governor in perfo

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide23 • 16 jobs - Use all L2 caches and shared floating point units: 0, 2, 4, 6, 8, 10, 12, 14, 16, 18,

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide245.0 Known Issues5.1 Address Space Layout Randomization (ASLR)The AMD Opteron™ 4200/6200 Series

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide256.0 Useful ToolsThis section lists some tools you may find helpful when analyzing performance and

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide267.0 AMD Reference Material • X86 Open64 Compilers Suite: http://developer.amd.com/tools/open64/

©2012 Advanced Micro Devices, Inc. All rights reserved. AMD, the AMD Arrow logo, AMD Opteron, AMD-V, AMD Virtualization, and combinations thereof are

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide3Contents1.0 Introduction ………………………………………………………………………………………………………………………………………………………………………… 4 1.1

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide41.0 IntroductionThis guide provides configuration, optimization, and tuning information and recomm

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide5The AMD Opteron™ 6200 Series processors can boost core frequencies by allocating more power to ind

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide61.3 Shared ResourcesAMD Opteron™ 6200 Series processors shared resources boost single core perfo

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide71.5 Floating Point CapabilitiesToday’s server workloads require a broad mix of processor capabil

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide82.0 Getting StartedStart by ensuring your system is configured properly. Since memory configuration

April 2012 v1 AMD Opteron™ 6200 Linux Tuning Guide99. Virtualization, AMD V = Disabled.10. OS Power Management = Disabled.Note: Always refer to you