JVM run JVM Scores 1 245304 2 244138 3 244469 4 248037 SPECjbb2005 bops = 981948, SPECjbb2005 bops/JVM = 245487

Hardware Hardware Vendor Dell Inc. Vendor URL http://www.dell.com Model PowerEdge M915 (AMD Opteron 6180SE, 2.50 GHz) Processor AMD Opteron 6180SE MHz 2500 # of Chips 2 # of Cores 24 # of Cores/Chip 12 HW Threading Enabled? No Procs Avail to Java 24 Memory (MB) 65536 Memory Details 16 x 4 GB 2Rx8 PC3L-10600R-9, ECC Primary cache 64 KB I + 64 KB D Secondary cache 512 KB I+D on chip per core Other cache 10 MB I+D on chip per chip Filesystem NTFS Disks 1 x 146 GB 15k SAS(classes + OS) Other hardware None

Software Software Vendor IBM Corporation Vendor URL http://www.IBM.com JVM Version IBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 Windows Server 2008 amd64-64 jvmwa64 60sr5-20090519_35743 (JIT enabled, AOT enabled) JVM Command Line start /HIGH /affinity [3F,FC0,3F000,FC0000] java -Xmn1400m -Xms1875m -Xmx1875m -Xaggressive -Xcompressedrefs -Xgcpolicy:gencon -XlockReservation -Xnoloa -XtlhPrefetch -Xlp JVM Initial Heap Memory (MB) 1875 JVM Maximum Heap Memory (MB) 1875 JVM Address bits 64 JVM CLASSPATH .\jbb.jar; .\check.jar; JVM BOOTCLASSPATH c:\specjbb2005\jvm\jre\bin\compressedrefs\jclSC160\vm.jar; c:\specjbb2005\jvm\jre\lib\annotation.jar; c:\specjbb2005\jvm\jre\lib\beans.jar; c:\specjbb2005\jvm\jre\lib\java.util.jar; c:\specjbb2005\jvm\jre\lib\jndi.jar; c:\specjbb2005\jvm\jre\lib\logging.jar; c:\specjbb2005\jvm\jre\lib\security.jar; c:\specjbb2005\jvm\jre\lib\sql.jar; c:\specjbb2005\jvm\jre\lib\ibmorb.jar; c:\specjbb2005\jvm\jre\lib\ibmorbapi.jar; c:\specjbb2005\jvm\jre\lib\ibmcfw.jar; c:\specjbb2005\jvm\jre\lib\rt.jar; c:\specjbb2005\jvm\jre\lib\charsets.jar; c:\specjbb2005\jvm\jre\lib\resources.jar; c:\specjbb2005\jvm\jre\lib\ibmpkcs.jar; c:\specjbb2005\jvm\jre\lib\ibmcertpathfw.jar; c:\specjbb2005\jvm\jre\lib\ibmjgssfw.jar; c:\specjbb2005\jvm\jre\lib\ibmjssefw.jar; c:\specjbb2005\jvm\jre\lib\ibmsaslfw.jar; c:\specjbb2005\jvm\jre\lib\ibmjcefw.jar; c:\specjbb2005\jvm\jre\lib\ibmjgssprovider.jar; c:\specjbb2005\jvm\jre\lib\ibmjsseprovider2.jar; c:\specjbb2005\jvm\jre\lib\ibmcertpathprovider.jar; c:\specjbb2005\jvm\jre\lib\ibmxmlcrypto.jar; c:\specjbb2005\jvm\jre\lib\management-agent.jar; c:\specjbb2005\jvm\jre\lib\xml.jar; c:\specjbb2005\jvm\jre\lib\jlm.jar; c:\specjbb2005\jvm\jre\lib\javascript.jar OS Version Microsoft Windows Server 2008 R2 Enterprise Other software IBM Websphere application server V7.0 for Windows on x86-64bit.

Test Information Tested by Dell Inc. SPEC license # 55 Test location Austin, TX Test date May 15, 2011 H/w available May-2011 JVM available Jul-2009 OS available Oct-2009 Other s/w available NA

AOT Compilation None Tuning Operating system tunings 'Lock pages in memory' enabled for benchmark user Each JVM instance was affinitized to 6 cores Disabled 'DRAM Prefetcher' in BIOS Disabled 'Hardware Prefetch training on Software Prefetch' in BIOS Disabled 'Hardware Prefetcher' in BIOS 'Power Management' set to 'Maximum Performance' in BIOS Notes Command line options are described at: http://publib.boulder.ibm.com/infocenter/javasdk/v6r0/index.jsp