Hardware Hardware Vendor Sun Microsystems, Inc. Vendor URL http://www.sun.com Model Sun Fire X4600 M2 Processor AMD Opteron 8360SE (2.5GHz, 2 MB L3 shared) MHz 2493 # of Chips 8 # of Cores 32 # of Cores/Chip 4 HW Threading Enabled? No Procs Avail to Java 32 Memory (MB) 65536 Memory Details 32 x 2GB DDR2-667 ECC DIMMs Primary cache 64 KB I + 64 KB D on chip per core. Secondary cache 512 KB I+D on chip per core Other cache 2 MB I+D L3 on chip Filesystem UFS Disks 1 x 73 GB 10000 rpm SAS Disks 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 1.6.0_06 Performance Release JVM Command Line psrset -e processor set number priocntl -c FX -t 250 -e java -Xmx3350m -Xms3350m -Xmn2600m -XX:+UseParallelOldGC -XX:+AggressiveOpts -XX:ParallelGCThreads=2 -classpath jbb.jar:check.jar spec.jbb.JBBmain -propfile SPECjbb.props -id JVM id JVM Initial Heap Memory (MB) 3350 JVM Maximum Heap Memory (MB) 3350 JVM Address bits 32 JVM CLASSPATH jbb.jar: check.jar JVM BOOTCLASSPATH /export/home/VMs/jdk1.6.0_06-p/jre/lib/resources.jar: /export/home/VMs/jdk1.6.0_06-p/jre/lib/rt.jar: /export/home/VMs/jdk1.6.0_06-p/jre/lib/sunrsasign.jar: /export/home/VMs/jdk1.6.0_06-p/jre/lib/jsse.jar: /export/home/VMs/jdk1.6.0_06-p/jre/lib/jce.jar: /export/home/VMs/jdk1.6.0_06-p/jre/lib/charsets.jar: /export/home/VMs/jdk1.6.0_06-p/jre/classes OS Version Solaris 10 5/08 Other software

Test Information Tested by Sun Microsystems, Inc. SPEC license # 6 Test location Somerset, NJ Test date June 21, 2008 H/w available Aug-2008 JVM available July-2008 OS available Apr-2008 Other s/w available

AOT Compilation   Tuning Each JVM was placed in the FX priority class with the priocntl command. 7 JVMs were run in processor sets containing 1 CPU (4 cores) . expected_peak_warehouse was set to 4. Notes

Details of Runs