Hardware Hardware Vendor IBM Corporation Vendor URL http://www.ibm.com Model IBM Power 795 (4.0 GHz, 256 core) Processor POWER7 (Intelligent Energy Optimization enabled, up to 4.14 GHz) MHz 4004 # of Chips 32 # of Cores 256 # of Cores/Chip 8 HW Threading Enabled? Yes Procs Avail to Java 1024 Memory (MB) 2097152 Memory Details 256 x 8GB DDR3 1066 MHz Primary cache 32 KB I + 32 KB D on chip per core Secondary cache 256 KB I+D on chip per core Other cache 4 MB I+D on chip per core Filesystem AIX/JFS2 Disks 1 x 146GB SAS SFF 15K RPM Other hardware

Software Software Vendor IBM Corporation Vendor URL http://www.ibm.com JVM Version JRE 1.6.0 (32-bit) IBM J9 2.4 AIX [build jvmap3260sr7-20091214_49398(SR7)] JVM Command Line execrset -c processor_set_number -e java -Xlp -Xgcpolicy:gencon -Xms2560m -Xmx2560m -Xmn2048m -Xaggressive -XtlhPrefetch -XlockReservation -Xgcthreads4 -Xnoloa 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 /speclocal/java/sr7/jre/lib/vm.jar: /speclocal/java/sr7/jre/lib/annotation.jar: /speclocal/java/sr7/jre/lib/beans.jar: /speclocal/java/sr7/jre/lib/java.util.jar: /speclocal/java/sr7/jre/lib/jndi.jar: /speclocal/java/sr7/jre/lib/logging.jar: /speclocal/java/sr7/jre/lib/security.jar: /speclocal/java/sr7/jre/lib/sql.jar: /speclocal/java/sr7/jre/lib/ibmorb.jar: /speclocal/java/sr7/jre/lib/ibmorbapi.jar: /speclocal/java/sr7/jre/lib/ibmcfw.jar: /speclocal/java/sr7/jre/lib/rt.jar: /speclocal/java/sr7/jre/lib/charsets.jar: /speclocal/java/sr7/jre/lib/resources.jar: /speclocal/java/sr7/jre/lib/ibmpkcs.jar: /speclocal/java/sr7/jre/lib/ibmcertpathfw.jar: /speclocal/java/sr7/jre/lib/ibmjgssfw.jar: /speclocal/java/sr7/jre/lib/ibmjssefw.jar: /speclocal/java/sr7/jre/lib/ibmsaslfw.jar: /speclocal/java/sr7/jre/lib/ibmjcefw.jar: /speclocal/java/sr7/jre/lib/ibmjgssprovider.jar: /speclocal/java/sr7/jre/lib/ibmjsseprovider2.jar: /speclocal/java/sr7/jre/lib/ibmcertpathprovider.jar: /speclocal/java/sr7/jre/lib/ibmxmlcrypto.jar: /speclocal/java/sr7/jre/lib/management-agent.jar: /speclocal/java/sr7/jre/lib/xml.jar: /speclocal/java/sr7/jre/lib/jlm.jar: /speclocal/java/sr7/jre/lib/javascript.jar OS Version IBM AIX V7.1 Other software

Test Information Tested by IBM Corporation SPEC license # 11 Test location Austin, TX Test date Jul 31, 2010 H/w available Sep-2010 JVM available Dec-2009 OS available Sep-2010 Other s/w available

AOT Compilation   Tuning Operating system tunings vmo -o lgpg_regions=51200 -o lgpg_size=16777216 -o v_pinshm=1 dscrctl -n -s 1 MEMORY_AFFINITY=MCM Notes 256 JVMs were run in processor sets each containing 1 core IBM Systems Director is required to set the Intelligent Energy Optimization HW mode

Details of Runs