JVM run JVM Scores 1 88176 2 87298 SPECjbb2005 bops = 175474, SPECjbb2005 bops/JVM = 87737

Hardware Hardware Vendor IBM Corporation Vendor URL http://www.ibm.com Model IBM System p 570 (4.7 GHz, 4 core) Processor POWER6 MHz 4700 # of Chips 2 # of Cores 4 # of Cores/Chip 2 HW Threading Enabled? Yes Procs Avail to Java 8 Memory (MB) 16384 Memory Details 16 x 1GB DDR2 Primary cache 64KBI+64KBD on chip per core Secondary cache 4MB on chip per core Other cache 32MB off chip per chip Filesystem JFS Disks 1 x 73GB SAS Other hardware

Software Software Vendor IBM Corporation Vendor URL http://www.ibm.com JVM Version J2RE 1.5.0 (32-bit) IBM J9 2.4 AIX [build j9vmap32p24-20070404] JVM Command Line execrset -c processor_set_number -e java -Xlp -Xjvm:perf -Xgcpolicy:gencon -Xmns2500m -Xmnx2500m -Xmo400m -Xmx3072m -Xgcthreads4 -XlockReservation spec.jbb.JBBmain -propfile SPECjbb.props JVM Initial Heap Memory (MB) 2900 JVM Maximum Heap Memory (MB) 3072 JVM Address bits 32 JVM CLASSPATH jbb.jar: check.jar JVM BOOTCLASSPATH /java/pap32pdev-20070405/jre/bin/perf/jclSC150/vm.jar: /java/pap32pdev-20070405/jre/lib/core.jar: /java/pap32pdev-20070405/jre/lib/charsets.jar: /java/pap32pdev-20070405/jre/lib/graphics.jar: /java/pap32pdev-20070405/jre/lib/security.jar: /java/pap32pdev-20070405/jre/lib/ibmpkcs.jar: /java/pap32pdev-20070405/jre/lib/ibmorb.jar: /java/pap32pdev-20070405/jre/lib/ibmcfw.jar: /java/pap32pdev-20070405/jre/lib/ibmorbapi.jar: /java/pap32pdev-20070405/jre/lib/ibmjcefw.jar: /java/pap32pdev-20070405/jre/lib/ibmjgssprovider.jar: /java/pap32pdev-20070405/jre/lib/ibmjsseprovider2.jar: /java/pap32pdev-20070405/jre/lib/ibmjaaslm.jar: /java/pap32pdev-20070405/jre/lib/ibmcertpathprovider.jar: /java/pap32pdev-20070405/jre/lib/server.jar: /java/pap32pdev-20070405/jre/lib/xml.jar OS Version IBM AIX 5L V5.3 Other software

Test Information Tested by IBM Corporation SPEC license # 11 Test location Austin, TX Test date Apr 21, 2007 H/w available Jun-2007 JVM available Aug-2007 OS available Jun-2007 Other s/w available

AOT Compilation   Tuning Operating system tunings vmo -o lgpg_regions=832 -o lgpg_size=16777216 -o v_pinshm=1 LDR_CNTRL=DATAPSIZE=64k@STACKPSIZE=64k@TEXTPSIZE=64k MEMORY_AFFINITY=MCM Notes