Hardware Hardware Vendor Apple Inc. Vendor URL http://www.apple.com Model Xserve (Early 2009) Processor Intel(R) Xeon(R) CPU X5570 (Intel Turbo Boost Technology up to 3.33GHz) MHz 2930 MHz # of Chips 2 # of Cores 8 # of Cores/Chip 4 HW Threading Enabled? YES Procs Avail to Java 16 Memory (MB) 49152 MB Memory Details 48GB, (12 X 4GB) DDR3 ECC FB-DIMM, 1066 MHz Primary cache 32KB(I)+32KB(D) on chip, per core Secondary cache 256 KB on chip, per core Other cache 8 MB on chip, per core Filesystem Journaled HFS+ Disks 1 X 1TB Western Digital SATA WD1002FBYS-43P1B0 Other hardware

Software Software Vendor Apple Inc. Vendor URL http://www.apple.com JVM Version 1.6.0_07-b06-153 JVM Command Line /System/Library/Frameworks/JavaVM.framework/Versions/1.6/Commands/java -Djava.awt.headless=true -server -d64 -XX:+UseParallelGC -cp jbb.jar:check.jar -Xms2048m -Xmx2048m spec.jbb.JBBmain -propfile SPECjbb.props -id $x > multi.$x & JVM Initial Heap Memory (MB) 2048 JVM Maximum Heap Memory (MB) 2048 JVM Address bits 64 JVM CLASSPATH jbb.jar: check.jar JVM BOOTCLASSPATH /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar: /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/ui.jar: /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/laf.jar: /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/sunrsasign.jar: /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/jsse.jar: /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/jce.jar: /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/charsets.jar OS Version Mac OS X Server 10.5.7 (9J61) Other software

Test Information Tested by Apple Inc. SPEC license # 77 Test location Cupertino, CA Test date May 18, 2009 H/w available 4-7-2009 JVM available 5-8-2009 OS available 5-8-2009 Other s/w available N/A

AOT Compilation   Tuning   Notes Command line options are described at http://java.sun.com/docs/hotspot

Details of Runs