Hardware Hardware Vendor SGI Vendor URL http://www.sgi.com Model Altix 4700 (64 Blade/128P DC) Processor DC Intel Itanium 9150 (24 MB/1.66 GHz/667 MHz bus) MHz 1670 # of Chips 128 # of Cores 256 # of Cores/Chip 2 HW Threading Enabled? No Procs Avail to Java 256 Memory (MB) 524288 Memory Details 1GB ECC DDR2 DIMMs (PC2-3200R) spread uniformly over 64 compute blades Primary cache 16kBI + 16kBD on chip per core Secondary cache 1024kBI + 256kBD on chip per core Other cache 12MB (I+D) on chip per core Filesystem xfs Disks 1 x 146 GB SCSI (OS + classes) Other hardware

Software Software Vendor BEA Systems Vendor URL http://www.bea.com JVM Version BEA JRockit(R) 5.0 R27.4.0-90 (build R27.4.0-90-89592-1.5.0_12-20070928-1715-linux-ia64, compiled mode) JVM Command Line numactl --cpunodebind=$node --localalloc java -Xms3600m -Xmx3600m -Xns2800m -Xgc:genpar -Xlargepages -XXaggressive -XXcallprofiling -XXgcthreads=4 -XXhpm -XXlazyUnlocking -XXthroughputCompaction -XXtlasize:min=16k,preferred=1m -cp jbb.jar:check.jar spec.jbb.JBBmain -propfile SPECjbb.props -id $id JVM Initial Heap Memory (MB) 3600 JVM Maximum Heap Memory (MB) 3600 JVM Address bits 64 JVM CLASSPATH jbb.jar: check.jar JVM BOOTCLASSPATH /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/ia64/jrockit/jrockit1.5.0.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/ia64/jrockit/jmapi.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/ia64/jrockit/jmxmapi.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/ia64/jrockit/rmp.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/ia64/jrockit/latency.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/rt.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/i18n.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/sunrsasign.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/jsse.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/jce.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/lib/charsets.jar: /store/glohr/SPECjbb2005/jrockit-R27.4.0-jre1.5.0_12/classes OS Version SuSE Linux Enterprise Server 10 SP1 (2.6.16.53-0.16-default) Other software

Test Information Tested by SGI SPEC license # 4 Test location Mountain View, CA Test date Oct 26, 2007 H/w available October-2007 JVM available October-2007 OS available October-2007 Other s/w available

AOT Compilation   Tuning Operating system tunings mount -t hugetlbfs nodev /mnt/hugepages echo 1280 > /proc/sys/vm/nr_hugepages Notes Command line options are described at http://e-docs.bea.com/jrockit/jrdocs/refman/index.html System configured to use one JVM per NUMA node (4 cores).

Details of Runs