Hardware Hardware Vendor IBM Corporation Vendor URL http://www.ibm.com Model IBM System p5 570 (2200 MHz, 16 Cores) Processor POWER5+ MHz 2200 # of Chips 8 # of Cores 16 # of Cores/Chip 2 HW Threading Enabled? Yes Procs Avail to Java 32 Memory (MB) 131072 Memory Details   Primary cache 64KBI+32KBD (on chip)/core Secondary cache 1920KB unified (on chip)/chip Other cache 36MB unified (off chip)/DCM, 8 DCMs in SUT Filesystem JFS Disks 1 x 36GB SCSI Other hardware

Software Software Vendor IBM Corporation Vendor URL http://www.ibm.com JVM Version J2RE 1.5.0 (32-bit) IBM J9 2.3 AIX ppc-32 j9vmap3223-20060114 JVM Command Line execrset -c processor_set_number -e java -cp jbb.jar:check.jar -Xlp -Xcompactgc -Xgcpolicy:subpool -Xms3g -Xmx3g spec.jbb.JBBmain -propfile SPECjbb.props -id JVM_number JVM Initial Heap Memory (MB) 3072 JVM Maximum Heap Memory (MB) 3072 JVM Address bits 32 JVM CLASSPATH jbb.jar: check.jar JVM BOOTCLASSPATH /java/pap32dev-20060114/jre/lib/vm.jar: /java/pap32dev-20060114/jre/lib/core.jar: /java/pap32dev-20060114/jre/lib/charsets.jar: /java/pap32dev-20060114/jre/lib/graphics.jar: /java/pap32dev-20060114/jre/lib/security.jar: /java/pap32dev-20060114/jre/lib/ibmpkcs.jar: /java/pap32dev-20060114/jre/lib/ibmorb.jar: /java/pap32dev-20060114/jre/lib/ibmcfw.jar: /java/pap32dev-20060114/jre/lib/ibmorbapi.jar: /java/pap32dev-20060114/jre/lib/ibmjcefw.jar: /java/pap32dev-20060114/jre/lib/ibmjgssprovider.jar: /java/pap32dev-20060114/jre/lib/ibmjsseprovider2.jar: /java/pap32dev-20060114/jre/lib/ibmjaaslm.jar: /java/pap32dev-20060114/jre/lib/ibmcertpathprovider.jar: /java/pap32dev-20060114/jre/lib/server.jar: /java/pap32dev-20060114/jre/lib/xml.jar OS Version AIX 5L V5.3 Other software

Test Information Tested by IBM Corporation SPEC license # 11 Test location Austin, TX Test date Jan 15, 2006 H/w available Feb-2006 JVM available Mar-2006 OS available Feb-2006 Other s/w available

AOT Compilation   Tuning Operating system tunings<UL><LI>vmo -o lgpg_regions=6400 -o lgpg_size=16777216</LI><LI>vmo -o v_pinshm=1</LI><LI>SPINLOOPTIME=1000</LI><LI>MEMORY_AFFINITY=MCM</LI></UL> Notes Each JVM was run in its own processor set containing 2 cores

Details of Runs