Hardware Hardware Vendor Sun Microsystems, Inc. Vendor URL http://www.sun.com Model Sun Fire E6900 Processor UltraSPARC(TM) IV+ MHz 1500 # of Chips 24 # of Cores 48 # of Cores/Chip 2 HW Threading Enabled? N/A Procs Avail to Java 4 Memory (MB) 196608 Memory Details   Primary cache 64KBI+64KBD (per core) Secondary cache 2MB(I+D) (per chip, shared) Other cache 32MB(I+D) off chip (per chip, shared) Filesystem UFS Disks Sun StorEdge D240 Media Tray Other hardware

Software Software Vendor Sun Microsystems, Inc. Vendor URL http://www.sun.com JVM Version Java HotSpot(TM) 32-Bit Server VM on Solaris, version 1.5.0_06 JVM Command Line psrset -e processor set number ppgsz -o heap=4m java -d32 -Xms3600m -Xmx3600m -Xmn1350m -Xss128k -Xbatch -XX:+UseBiasedLocking -XX:+UseParallelGC -XX:ParallelGCThreads=4 -XX:+AggressiveOpts -verbose:gc -classpath jbb.jar:check.jar spec.jbb.JBBmain -propfile SPECjbb.props -id JVM number JVM Initial Heap Memory (MB) 3600 JVM Maximum Heap Memory (MB) 3600 JVM Address bits 32 JVM CLASSPATH jbb.jar: check.jar JVM BOOTCLASSPATH /export/bmk/ptk/jdk1.5.0_06/jre/lib/rt.jar: /export/bmk/ptk/jdk1.5.0_06/jre/lib/i18n.jar: /export/bmk/ptk/jdk1.5.0_06/jre/lib/sunrsasign.jar: /export/bmk/ptk/jdk1.5.0_06/jre/lib/jsse.jar: /export/bmk/ptk/jdk1.5.0_06/jre/lib/jce.jar: /export/bmk/ptk/jdk1.5.0_06/jre/lib/charsets.jar: /export/bmk/ptk/jdk1.5.0_06/jre/classes OS Version Solaris 10 3/05 HW1 Operating System (64-bit) Other software

Test Information Tested by Sun Microsystems, Inc. SPEC license # 6 Test location Hillsboro, OR Test date Dec 7, 2005 H/w available Sep-2005 JVM available Nov-2005 OS available Sep-2005 Other s/w available

AOT Compilation   Tuning /etc/system parameters: autoup=345600 tune_t_fsflushr=345600 The frequency of file system sync operations. disable_memscrub=1 Disable the memscrubber daemon. Each JVM was run in its own processor set containing four cores (two chips). Notes "Command line options are described at http://java.sun.com/docs/performance"

Details of Runs