| | Hardware | 
|---|
 | Hardware Vendor | IBM Corporation |  | Vendor URL | http://www.ibm.com |  | Model | IBM Power 750 Express (4.0 GHz, 32 core) |  | 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 KBI + 32 KBD 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 | AIX/JFS2 |  | Disks | 1 x 300 GB 15K RPM Raid0 SFF SAS |  | 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 AIX [build pap3270sr3-20120319_01(SR3)] |  | JVM Command Line | execrset -c processor_set_number -e java -Xlp -Xgcpolicy:gencon -Xms2560m -Xmx2560m -Xmn2048m -Xaggressive -XtlhPrefetch -XlockReservation -Xgcthreads4 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 | /specraid/sdk/jre/lib/ppc/default/jclSC170/vm.jar: /specraid/sdk/jre/lib/se-service.jar:
 /specraid/sdk/jre/lib/math.jar:
 /specraid/sdk/jre/lib/jlm.jar:
 /specraid/sdk/jre/lib/ibmorb.jar:
 /specraid/sdk/jre/lib/ibmorbapi.jar:
 /specraid/sdk/jre/lib/ibmcfw.jar:
 /specraid/sdk/jre/lib/ibmpkcs.jar:
 /specraid/sdk/jre/lib/ibmcertpathfw.jar:
 /specraid/sdk/jre/lib/ibmjgssfw.jar:
 /specraid/sdk/jre/lib/ibmjssefw.jar:
 /specraid/sdk/jre/lib/ibmsaslfw.jar:
 /specraid/sdk/jre/lib/ibmjcefw.jar:
 /specraid/sdk/jre/lib/ibmjgssprovider.jar:
 /specraid/sdk/jre/lib/ibmjsseprovider2.jar:
 /specraid/sdk/jre/lib/ibmcertpathprovider.jar:
 /specraid/sdk/jre/lib/xmldsigfw.jar:
 /specraid/sdk/jre/lib/xml.jar:
 /specraid/sdk/jre/lib/charsets.jar:
 /specraid/sdk/jre/lib/resources.jar:
 /specraid/sdk/jre/lib/rt.jar
 |  | OS Version | IBM AIX V7.1 TL2 SP2 |  | Other software |  | 
 | 
| | Test Information | 
|---|
 | Tested by | IBM Corporation |  | SPEC license # | 11 |  | Test location | Austin, TX |  | Test date | Dec 10, 2012 |  | H/w available | Mar-2013 |  | JVM available | Nov-2012 |  | OS available | Feb-2013 |  | Other s/w available |  | 
 | | Tuning | 
|---|
 | Operating system tunings Platform tuningsdscrctl -n -s 1MEMORY_AFFINITY=MCM
 The "Dynamic Power Saver - Favor Performance" mode was enabled on "IBM Advanced System Management"
 | 
 | Notes | 
|---|
 | 12288 16 MB large pages defined with vmo command32 JVMs were run in processor sets each containing 1 core
 | 
 |