JVM run JVM Scores 1 465477 2 466160 SPECjbb2005 bops = 931637, SPECjbb2005 bops/JVM = 465819

Hardware Hardware Vendor Oracle Corporation Vendor URL http://www.oracle.com Model Sun Blade X6270 M2 server module Processor Intel Xeon X5680 (Intel Turbo Boost Technology up to 3.60GHz) MHz 3333 # of Chips 2 # of Cores 12 # of Cores/Chip 6 HW Threading Enabled? Yes Procs Avail to Java 24 Memory (MB) 49152 Memory Details 12x 4 GB DDR3-1333 DR RDIMM Primary cache 32KB I + 32KB D on chip per core Secondary cache 256KB(I+D) on chip, per core Other cache 12MB (I+D) on chip per chip Filesystem NTFS Disks 1x 300GB SAS Other hardware

Software Software Vendor Oracle Corporation Vendor URL http://www.oracle.com JVM Version Java HotSpot(TM) 64-Bit Server VM on Windows, version 1.6.0_21 Performance Release JVM Command Line java -Xms21g -Xmx21g -Xmn19g -XX:SurvivorRatio=60 -XX:TargetSurvivorRatio=90 -XX:InitialTenuringThreshold=12 -XX:MaxTenuringThreshold=15 -XX:ParallelGCThreads=12 -XX:LoopUnrollLimit=45 -XX:InlineSmallCode=5500 -XX:MaxInlineSize=220 -XX:FreqInlineSize=2500 -XX:+UseParallelOldGC -XX:+AggressiveOpts -XX:+UseCompressedOops -XX:+UseCompressedStrings -spec.jbb.JBBmain -propfile SPECjbb_multi.props JVM Initial Heap Memory (MB) 21504 JVM Maximum Heap Memory (MB) 21504 JVM Address bits 64 JVM CLASSPATH .\jbb.jar; .\check.jar; . JVM BOOTCLASSPATH C:\Users\Administrator\benchmarks\VMs\jdk1.6.0_21\jre\lib\alt-string.jar; C:\Users\Administrator\benchmarks\VMs\jdk1.6.0_21\jre\lib\alt-rt.jar; C:\Users\Administrator\benchmarks\VMs\jdk1.6.0_21\jre\lib\resources.jar; C:\Users\Administrator\benchmarks\VMs\jdk1.6.0_21\jre\lib\rt.jar; C:\Users\Administrator\benchmarks\VMs\jdk1.6.0_21\jre\lib\sunrsasign.jar; C:\Users\Administrator\benchmarks\VMs\jdk1.6.0_21\jre\lib\jsse.jar; C:\Users\Administrator\benchmarks\VMs\jdk1.6.0_21\jre\lib\jce.jar; C:\Users\Administrator\benchmarks\VMs\jdk1.6.0_21\jre\lib\charsets.jar; C:\Users\Administrator\benchmarks\VMs\jdk1.6.0_21\jre\classes OS Version Microsoft Windows Server R2 2008 Enterprise Edition x64 Other software

Test Information Tested by Oracle Corporation SPEC license # 6 Test location Burlington, MA Test date May 19, 2010 H/w available Jul-2010 JVM available Sep-2010 OS available Oct-2009 Other s/w available

AOT Compilation   Tuning BIOS tunings Disabled "Hardware Prefetcher" Disabled "Adjacent Cache Line Prefetch" Disabled "DCU IP Prefetch" Disabled "DCU Reuse Optimization" Operating System "Lock pages in memory" enabled for benchmark user. Each JVM instance was affinitized to 1 chip. Notes