| | Hardware | 
|---|
 | Hardware Vendor | SGI |  | Vendor URL | http://www.sgi.com |  | Model | Altix UV 1000 (16 blade) |  | Processor | Intel Xeon X7560 (Intel Turbo Boost Technology up to 2.666GHz) |  | MHz | 2266 |  | # of Chips | 32 |  | # of Cores | 256 |  | # of Cores/Chip | 8 |  | HW Threading Enabled? | Yes |  | Procs Avail to Java | 512 |  | Memory (MB) | 1048576 |  | Memory Details | 4 GB ECC DDR3-1066 DIMMs (DIMM PC3 8500R 0700J00 4GB SNS2RX4) filling all slots. |  | Primary cache | 32kBI + 32kBD on chip per core |  | Secondary cache | 256kB unified on chip per core |  | Other cache | 24MB (I+D) on chip per chip |  | Filesystem | ext3 |  | Disks | 1 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 P28.0.0-29-114096-1.6.0_11-20090427-1758-linux-x86_64, compiled mode) |  | JVM Command Line | numactl --physcpubind=${y}-${y2},${y3}-${y4} --localalloc -- java -Xms3700m -Xmx3700m -Xns3200m -Xgc:genpar -Xlargepages -XXaggressive -XXgcthreads=4 -XXcompressedRefs -XXlazyunlocking -XXcallprofiling -XXtlasize:min=16k,preferred=1m -cp jbb.jar:check.jar spec.jbb.JBBmain -propfile SPECjbb.props -id $id |  | JVM Initial Heap Memory (MB) | 3700 |  | JVM Maximum Heap Memory (MB) | 3700 |  | JVM Address bits | 64 |  | JVM CLASSPATH | jbb.jar: check.jar
 |  | JVM BOOTCLASSPATH | /root/jrockit-jdk1.6.0_11/jre/lib/amd64/jrockit/jrockit1.6.0.jar: /root/jrockit-jdk1.6.0_11/jre/lib/amd64/jrockit/jmapi.jar:
 /root/jrockit-jdk1.6.0_11/jre/lib/amd64/jrockit/jmxmapi.jar:
 /root/jrockit-jdk1.6.0_11/jre/lib/amd64/jrockit/rmp.jar:
 /root/jrockit-jdk1.6.0_11/jre/lib/amd64/jrockit/latency.jar:
 /root/jrockit-jdk1.6.0_11/jre/lib/resources.jar:
 /root/jrockit-jdk1.6.0_11/jre/lib/rt.jar:
 /root/jrockit-jdk1.6.0_11/jre/lib/sunrsasign.jar:
 /root/jrockit-jdk1.6.0_11/jre/lib/jsse.jar:
 /root/jrockit-jdk1.6.0_11/jre/lib/jce.jar:
 /root/jrockit-jdk1.6.0_11/jre/lib/charsets.jar:
 /root/jrockit-jdk1.6.0_11/jre/classes
 |  | OS Version | SuSE Linux Enterprise Server 11 SP1 (2.6.32.12-0.7.1.1381.0.PTF-default) |  | Other software |  | 
 | 
| | Test Information | 
|---|
 | Tested by | SGI |  | SPEC license # | 4 |  | Test location | Chippewa Falls, WI |  | Test date | Jun 15, 2010 |  | H/w available | Jun-2010 |  | JVM available | May-2009 |  | OS available | Jun-2010 |  | Other s/w available |  | 
 | | Tuning | 
|---|
 | Operating system tunings mount -t hugetlbfs nodev /mnt/hugepagesecho 237824 > /proc/sys/vm/nr_hugepages
 | 
 | Notes | 
|---|
 | Command line options are described at http://download.oracle.com/docs/cd/E13150_01/jrockit_jvm/jrockit/jrdocs/pdf/refman.pdf System configured to use four JVMs per NUMA node (8 cores).
 | 
 |