| | Hardware | 
|---|
 | Hardware Vendor | IBM Corporation |  | Vendor URL | http://www.ibm.com |  | Model | IBM Power 750 Express (4.0 GHz, 32 core, SLES) |  | Processor | POWER7+ (Intelligent Energy Optimization enabled, up to 4431 MHz) |  | MHz | 4060 |  | # of Chips | 8 |  | # of Cores | 32 |  | # of Cores/Chip | 4 |  | HW Threading Enabled? | yes |  | Procs Avail to Java | 128 |  | Memory (MB) | 262144 |  | Memory Details | 64 x 4 GB DDR3 1066 MHz |  | Primary cache | 32 KB I + 32 KB D on chip per core |  | Secondary cache | 256 KB I+D on chip per core |  | Other cache | 10 MB I+D on chip per core |  | Filesystem | ext3 |  | Disks | 1 x 146.8 GB SAS SFF 15K RPM |  | Other hardware |  | 
 | | Software | 
|---|
 | Software Vendor | IBM Corporation |  | Vendor URL | http://www.ibm.com |  | JVM Version | JRE 1.7.0 (32-bit) IBM J9 2.6 Linux (build pxp3270sr3-20121025_01(SR3)) |  | JVM Command Line | taskset -c [0-3,4-7,...,124-127] -- -Xlp -Xaggressive -Xgcpolicy:gencon -Xgcthreads4 -XlockReservation -Xnoloa -Xms2560m -Xmx2560m -Xmn2048m -XtlhPrefetch spec.jbb.JBBmain -propfile SPECjbb.props |  | JVM Initial Heap Memory (MB) | 2560 |  | JVM Maximum Heap Memory (MB) | 2560 |  | JVM Address bits | 32 |  | JVM CLASSPATH | ./jbb.jar: ./check.jar:
 
 |  | JVM BOOTCLASSPATH | /autobench/sources/ibm-java-ppc-70/jre/lib/aggressive.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ppc/default/jclSC170/vm.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/se-service.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/math.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/jlm.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmorb.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmorbapi.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmcfw.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmpkcs.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmcertpathfw.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmjgssfw.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmjssefw.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmsaslfw.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmjcefw.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmjgssprovider.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmjsseprovider2.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/ibmcertpathprovider.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/xmldsigfw.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/xml.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/charsets.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/resources.jar:
 /autobench/sources/ibm-java-ppc-70/jre/lib/rt.jar
 |  | OS Version | SUSE Linux Enterprise Server 11 SP2 (3.0.42-0.7-ppc64) |  | Other software |  | 
 | 
| | Test Information | 
|---|
 | Tested by | IBM Corporation |  | SPEC license # | 11 |  | Test location | Austin, TX |  | Test date | Jan 25, 2013 |  | H/w available | Mar-2013 |  | JVM available | Nov-2012 |  | OS available | Feb-2012 |  | Other s/w available |  | 
 | | Tuning | 
|---|
 | Operating system tunings Platform tuningsecho 6000 > /proc/sys/vm/nr_hugepagesecho 100663296000 > /proc/sys/kernel/shmmaxecho 1536000 > /proc/sys/kernel/shmallppc64_cpu --dscr=1
 The "Dynamic Power Saver - Favor Performance" mode was enabled on "IBM Advanced System Management"
 | 
 | Notes | 
|---|
 | 32 JVMs were run in processor sets each containing 1 core.
 | 
 |