Hardware Hardware Vendor Sun Microsystems, Inc. Vendor URL http://www.sun.com Model Sun Fire X4450 Processor Intel Xeon X7350 Quad Core (1066 MHz system bus) MHz 2933 # of Chips 4 # of Cores 16 # of Cores/Chip 4 HW Threading Enabled? No Procs Avail to Java 16 Memory (MB) 65536 Memory Details 16 x 4GB 2Rx4 PC2-5300F FBDIMM Primary cache 32KB(I) + 32KB(D) on chip, per core Secondary cache 8 MB I+D on chip (4 MB shared per 2 cores) Other cache   Filesystem UFS Disks 1 x 73GB SAS 10K RPM drive 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 -Xmn2800m -Xss96k -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/benchmarks/VMs/jdk1.6.0_06p/jre/lib/resources.jar: /export/benchmarks/VMs/jdk1.6.0_06p/jre/lib/rt.jar: /export/benchmarks/VMs/jdk1.6.0_06p/jre/lib/sunrsasign.jar: /export/benchmarks/VMs/jdk1.6.0_06p/jre/lib/jsse.jar: /export/benchmarks/VMs/jdk1.6.0_06p/jre/lib/jce.jar: /export/benchmarks/VMs/jdk1.6.0_06p/jre/lib/charsets.jar: /export/benchmarks/VMs/jdk1.6.0_06p/jre/classes OS Version Solaris 10 5/08 Other software

Test Information Tested by Sun Microsystems, Inc. SPEC license # 6 Test location Burlington, MA Test date May 1, 2008 H/w available Jan-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. Each JVM was run in its own processor set containing two cores. expected_peak_warehouse was set to 2. Notes

Details of Runs