Hardware Hardware Vendor IBM Corporation Vendor URL http://www.ibm.com/systems/i/ Model IBM System i 570 (4.7 Ghz, 8-core) Processor POWER6 MHz 4700 # of Chips 4 # of Cores 8 # of Cores/Chip 2 HW Threading Enabled? Yes Procs Avail to Java 16 Memory (MB) 32768 Memory Details 16 x 2GB DIMMS Primary cache 64KBI+64KBD on chip per core Secondary cache 4MB on chip per core Other cache 32MB off chip per chip Filesystem IFS Disks 1 x 70 GB SCSI Other hardware

Software Software Vendor IBM Corporation Vendor URL http://www.ibm.com/systems/i/ JVM Version IBM Technology for Java 1.6 (32-bit JVM) [build pap3260-20071123_01] JVM Command Line java -Xms3300m -Xmx3328m -Xmn2900m -Xmo400m -Xgcthreads4 -Xgcpolicy:gencon -Xlp64k -Xnoloa -XlockReservation -Djava.awt.headless=true -Dos400.rr -Xgc:microFragmentationDetection spec.jbb.JBBmain -propfile jvmmulti4.props JVM Initial Heap Memory (MB) 3300 JVM Maximum Heap Memory (MB) 3328 JVM Address bits 32 JVM CLASSPATH jbb.jar: check.jar JVM BOOTCLASSPATH /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/vm.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/facilitators.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/annotation.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/beans.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/java.util.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/jndi.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/logging.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/security.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/sql.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmorb.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmorbapi.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmcfw.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/rt.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/charsets.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/resources.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmpkcs.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmcertpathfw.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmjgssfw.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmjssefw.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmsaslfw.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmjcefw.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmjgssprovider.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmjsseprovider2.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmcertpathprovider.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/ibmxmlcrypto.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/management-agent.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/xml.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/jlm.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/javascript.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/jre/lib/RACF.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/IBMmisc.jar: /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit/lib/IBMi5OSJSSE.jar OS Version i5/OS V6R1M0 (64-bit) Other software

Test Information Tested by IBM Corporation SPEC license # 11 Test location Rochester, MN Test date Jan 27, 2008 H/w available Sep-2007 JVM available Mar-2008 OS available Mar-2008 Other s/w available

AOT Compilation None Tuning export QIBM_JVM_ILE_HOME=QJVM6032 Subsystem routing entries were used to set THDRSCAFN(*GROUP *HIGH) for the SPECjbb JVMs Notes "The JVM was actually started using the CL "JAVA CLASS('spec.jbb.JBBmain') PARM('-propfile' 'SPECjbbMulti.props' '-id' '&JVMID) CLASSPATH(&CLASSPATH) PROP((os400.property.file 'jvmmulti4.props'))" The jvmmulti4.props contained the command-line options shown in the "JVM Command Line" section above"

Details of Runs