| 
Hardware |  
| Hardware Vendor | 
IBM Corporation |  
| Vendor URL | 
http://www.ibm.com |  
| Model | 
IBM Power 740 Express (4.2 GHz, 16 core) |  
| Processor | 
POWER7+ (Intelligent Energy Optimization enabled, up to 4540 MHz) |  
| MHz | 
4228 |  
| # of Chips | 
2 |  
| # of Cores | 
16 |  
| # of Cores/Chip | 
8 |  
| HW Threading Enabled? | 
Yes |  
| Procs Avail to Java | 
64 |  
| Memory (MB) | 
131072 |  
| Memory Details | 
32 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 177 GB Raid0 SFF-1 SSD  |  
| 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 | 
/speclocal/sdk/jre/lib/ppc/default/jclSC170/vm.jar: /speclocal/sdk/jre/lib/se-service.jar: /speclocal/sdk/jre/lib/math.jar: /speclocal/sdk/jre/lib/jlm.jar: /speclocal/sdk/jre/lib/ibmorb.jar: /speclocal/sdk/jre/lib/ibmorbapi.jar: /speclocal/sdk/jre/lib/ibmcfw.jar: /speclocal/sdk/jre/lib/ibmpkcs.jar: /speclocal/sdk/jre/lib/ibmcertpathfw.jar: /speclocal/sdk/jre/lib/ibmjgssfw.jar: /speclocal/sdk/jre/lib/ibmjssefw.jar: /speclocal/sdk/jre/lib/ibmsaslfw.jar: /speclocal/sdk/jre/lib/ibmjcefw.jar: /speclocal/sdk/jre/lib/ibmjgssprovider.jar: /speclocal/sdk/jre/lib/ibmjsseprovider2.jar: /speclocal/sdk/jre/lib/ibmcertpathprovider.jar: /speclocal/sdk/jre/lib/xmldsigfw.jar: /speclocal/sdk/jre/lib/xml.jar: /speclocal/sdk/jre/lib/charsets.jar: /speclocal/sdk/jre/lib/resources.jar: /speclocal/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 | 
Jan 11, 2013 |  
| H/w available | 
Feb-2013 |  
| JVM available | 
Nov-2012 |  
| OS available | 
Feb-2013 |  
| Other s/w available | 
  |  
 
 | 
| 
Tuning |  
Operating system tunings- dscrctl -n -s 1
 - MEMORY_AFFINITY=MCM
  Platform tuningsThe "Dynamic Power Saver - Favor Performance" mode was enabled on "IBM Advanced System Management" |  
 
| 
Notes |  
- 5120 16 MB large pages defined with vmo command
 - 16 JVMs were run in processor sets each containing 1 core
 
  |  
 
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