JVM run JVM Scores 1 487464 2 487793 SPECjbb2005 bops = 975257, SPECjbb2005 bops/JVM = 487629

Hardware Hardware Vendor Oracle Corporation Vendor URL http://www.oracle.com Model Sun Blade X6270 M2 server module Processor Intel Xeon X5690 (Intel Turbo Boost Technology up to 3.73GHz) MHz 3460 # 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 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 1 x 300GB SAS Other hardware Sun Blade 6000 Chassis

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_25 JVM Command Line java -server -showversion -Xmx18g -Xms18g -Xmn16g -XX:SurvivorRatio=60 -XX:TargetSurvivorRatio=90 -XX:ParallelGCThreads=12 -XX:AllocatePrefetchDistance=192 -XX:AllocatePrefetchLines=4 -XX:LoopUnrollLimit=45 -XX:InitialTenuringThreshold=12 -XX:MaxTenuringThreshold=15 -XX:InlineSmallCode=5500 -XX:MaxInlineSize=220 -XX:FreqInlineSize=2500 -XX:+UseLargePages -XX:+UseParallelOldGC -XX:+UseCompressedStrings -verbose:class -XX:+AggressiveOpts spec.jbb.JBBmain -propfile SPECjbb_multi.props JVM Initial Heap Memory (MB) 18432 JVM Maximum Heap Memory (MB) 18432 JVM Address bits 64 JVM CLASSPATH .\jbb.jar; .\check.jar; JVM BOOTCLASSPATH C:\Users\Administrator\benchmarks\Vms\jdk1.6.0_25\jre\lib\alt-string.jar; C:\Users\Administrator\benchmarks\Vms\jdk1.6.0_25\jre\lib\alt-rt.jar; C:\Users\Administrator\benchmarks\Vms\jdk1.6.0_25\jre\lib\resources.jar; C:\Users\Administrator\benchmarks\Vms\jdk1.6.0_25\jre\lib\rt.jar; C:\Users\Administrator\benchmarks\Vms\jdk1.6.0_25\jre\lib\sunrsasign.jar; C:\Users\Administrator\benchmarks\Vms\jdk1.6.0_25\jre\lib\jsse.jar; C:\Users\Administrator\benchmarks\Vms\jdk1.6.0_25\jre\lib\jce.jar; C:\Users\Administrator\benchmarks\Vms\jdk1.6.0_25\jre\lib\charsets.jar; C:\Users\Administrator\benchmarks\Vms\jdk1.6.0_25\jre\lib\modules\jdk.boot.jar; C:\Users\Administrator\benchmarks\Vms\jdk1.6.0_25\jre\classes OS Version Microsoft Windows Server R2 2008 Enterprise Edition x64 Other software

Test Information Tested by Oracle Corporation SPEC license # 73 Test location Burlington, MA. Test date Jan 27, 2011 H/w available Mar-2011 JVM available Apr-2011 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. The parameter expected_peak_warehouse was set to 12. Notes Command line options are described at: http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html