| | Hardware | 
|---|
 | Hardware Vendor | SGI |  | Vendor URL | http://www.sgi.com |  | Model | Altix 4700 (128 Blade/256 DC) |  | Processor | Intel DC Itanium2 Processor 9040 1.6 Ghz |  | MHz | 1600 |  | # of Chips | 256 |  | # of Cores | 512 |  | # of Cores/Chip | 2 |  | HW Threading Enabled? | No |  | Procs Avail to Java | 512 |  | Memory (MB) | 1581056 |  | Memory Details | 2 GB ECC DDR2 DIMMs (PC2-3200R) spread uniformly over 128 compute blades, with 4 extra in blade 0 |  | Primary cache | 16KBI + 16KBD on chip per core |  | Secondary cache | 256KBI + 1024KBD on chip per core |  | Other cache | 9MB (I+D) on chip per core |  | Filesystem | xfs |  | Disks | 2 x 146 GB SCSI (classes + OS) |  | Other hardware |  | 
 | | Software | 
|---|
 | Software Vendor | Oracle Corporation |  | Vendor URL | http://www.oracle.com |  | JVM Version | Oracle JRockit(R) (build R27.6.3-40_o-112056-1.5.0_17-20090318-2103-linux-ia64, compiled mode) |  | JVM Command Line | numactl --cpunodebind=$node --localalloc java -Xms3840m -Xns2900m -Xmx3840m -Xgc:genpar -Xlargepages -XXaggressive -XXcallprofiling -XXthroughputcompaction -XXgcthreads=4 -XXhpm -XXtlasize:min=16k,preferred=1m -cp jbb.jar:check.jar spec.jbb.JBBmain -propfile SPECjbb.props -id $id |  | JVM Initial Heap Memory (MB) | 3840 |  | JVM Maximum Heap Memory (MB) | 3840 |  | JVM Address bits | 64 |  | JVM CLASSPATH | jbb.jar: check.jar
 |  | JVM BOOTCLASSPATH | /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/ia64/jrockit/jrockit1.5.0.jar: /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/ia64/jrockit/jmapi.jar:
 /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/ia64/jrockit/jmxmapi.jar:
 /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/ia64/jrockit/rmp.jar:
 /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/ia64/jrockit/latency.jar:
 /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/rt.jar:
 /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/i18n.jar:
 /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/sunrsasign.jar:
 /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/jsse.jar:
 /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/jce.jar:
 /ptmp1/jrmc-3.1.0-1.5.0/jre/lib/charsets.jar:
 /ptmp1/jrmc-3.1.0-1.5.0/jre/classes
 |  | OS Version | SuSE Linux Enterprise Server 10 SP2 (2.6.16.60-0.35.PTF.352893.0-default) |  | Other software |  | 
 | 
| | Test Information | 
|---|
 | Tested by | SGI |  | SPEC license # | 4 |  | Test location | Garching, Germany |  | Test date | Jul 26, 2009 |  | H/w available | July-2006 |  | JVM available | Mar-2009 |  | OS available | Mar-2009 |  | Other s/w available |  | 
 | | Tuning | 
|---|
 | Operating system tunings mount -t hugetlbfs nodev /mnt/hugepagesecho 3500 > /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).
 | 
 |