Hardware Hardware Vendor IBM Corporation Vendor URL http://www.ibm.com Model IBM Power 570 (4.2 GHz, 32 core) Processor POWER6 MHz 4200 # of Chips 16 # of Cores 32 # of Cores/Chip 2 HW Threading Enabled? Yes Procs Avail to Java 64 Memory (MB) 131072 Memory Details 64 x 2 GB DDR2 667 MHz Primary cache 64 KBI + 64 KBD on chip per core Secondary cache 4 MB on chip per core Other cache 32 MB off chip per chip Filesystem AIX/JFS2 Disks 1 x 146 GB SAS 15K RPM Other hardware

Software Software Vendor IBM Corporation Vendor URL http://www.ibm.com JVM Version J2RE 1.6.0 (32-bit) IBM J9 2.4 AIX [build pap3260sr1-20080117_01] JVM Command Line execrset -c processor_set_number -e java -Xlp -Xgcpolicy:gencon -Xms2560m -Xmx2560m -Xmn2g -XlockReservation -Xgcthreads4 spec.jbb.JBBmain -propfile SPECjbb.props JVM Initial Heap Memory (MB) 2560 JVM Maximum Heap Memory (MB) 2560 JVM Address bits 32 JVM CLASSPATH jbb.jar: check.jar JVM BOOTCLASSPATH /spec/pap3260sr1-20080117/jre/lib/vm.jar: /spec/pap3260sr1-20080117/jre/lib/facilitators.jar: /spec/pap3260sr1-20080117/jre/lib/annotation.jar: /spec/pap3260sr1-20080117/jre/lib/beans.jar: /spec/pap3260sr1-20080117/jre/lib/java.util.jar: /spec/pap3260sr1-20080117/jre/lib/jndi.jar: /spec/pap3260sr1-20080117/jre/lib/logging.jar: /spec/pap3260sr1-20080117/jre/lib/security.jar: /spec/pap3260sr1-20080117/jre/lib/sql.jar: /spec/pap3260sr1-20080117/jre/lib/ibmorb.jar: /spec/pap3260sr1-20080117/jre/lib/ibmorbapi.jar: /spec/pap3260sr1-20080117/jre/lib/ibmcfw.jar: /spec/pap3260sr1-20080117/jre/lib/rt.jar: /spec/pap3260sr1-20080117/jre/lib/charsets.jar: /spec/pap3260sr1-20080117/jre/lib/resources.jar: /spec/pap3260sr1-20080117/jre/lib/ibmpkcs.jar: /spec/pap3260sr1-20080117/jre/lib/ibmcertpathfw.jar: /spec/pap3260sr1-20080117/jre/lib/ibmjgssfw.jar: /spec/pap3260sr1-20080117/jre/lib/ibmjssefw.jar: /spec/pap3260sr1-20080117/jre/lib/ibmsaslfw.jar: /spec/pap3260sr1-20080117/jre/lib/ibmjcefw.jar: /spec/pap3260sr1-20080117/jre/lib/ibmjgssprovider.jar: /spec/pap3260sr1-20080117/jre/lib/ibmjsseprovider2.jar: /spec/pap3260sr1-20080117/jre/lib/ibmcertpathprovider.jar: /spec/pap3260sr1-20080117/jre/lib/ibmxmlcrypto.jar: /spec/pap3260sr1-20080117/jre/lib/management-agent.jar: /spec/pap3260sr1-20080117/jre/lib/xml.jar: /spec/pap3260sr1-20080117/jre/lib/jlm.jar: /spec/pap3260sr1-20080117/jre/lib/javascript.jar: /spec/pap3260sr1-20080117/jre/lib/RACF.jar OS Version IBM AIX V6.1 with the 6100-02 Technology Level Other software

Test Information Tested by IBM Corporation SPEC license # 11 Test location Austin, TX Test date Sep 28, 2008 H/w available Nov-2008 JVM available Apr-2008 OS available Nov-2008 Other s/w available

AOT Compilation   Tuning Operating system tunings vmo -o lgpg_regions=3072 -o lgpg_size=16777216 -o v_pinshm=1 dscrctl -n -s 1 LDR_CNTRL=DATAPSIZE=64k@STACKPSIZE=64k@TEXTPSIZE=64k MEMORY_AFFINITY=MCM Notes 16 JVMs were run in processor sets each containing 2 cores

Details of Runs