| 
Hardware |  
| Hardware Vendor | 
IBM Corporation |  
| Vendor URL | 
http://www.ibm.com |  
| Model | 
IBM Power 570 (5.0 GHz, 16 core) |  
| Processor | 
POWER6 |  
| MHz | 
5000 |  
| # of Chips | 
8 |  
| # of Cores | 
16 |  
| # of Cores/Chip | 
2 |  
| HW Threading Enabled? | 
Yes |  
| Procs Avail to Java | 
32 |  
| Memory (MB) | 
131072 |  
| Memory Details | 
64 x 2GB DDR2 667 MHz |  
| Primary cache | 
64KBI+64KBD on chip per core |  
| Secondary cache | 
4MB on chip per core |  
| Other cache | 
32MB off chip per chip |  
| Filesystem | 
AIX/JFS2 |  
| Disks | 
1 x 73GB SAS 15K RPM |  
| Other hardware | 
  |  
 
 | 
| 
Software |  
| Software Vendor | 
IBM Corporation |  
| Vendor URL | 
http://www.ibm.com |  
| JVM Version | 
J2RE 1.6.0 (32-bit) IBM J9 2.4 AIX [build pap3260sr1-20080117_01] |  
| JVM Command Line | 
execrset -c processor_set_number -e java -Xlp -Xgcpolicy:gencon -Xms2560m -Xmx2560m -Xmn2g -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 | 
/spec/pap3260sr1-20080117/jre/lib/vm.jar: /spec/pap3260sr1-20080117/jre/lib/facilitators.jar: /spec/pap3260sr1-20080117/jre/lib/annotation.jar: /spec/pap3260sr1-20080117/jre/lib/beans.jar: /spec/pap3260sr1-20080117/jre/lib/java.util.jar: /spec/pap3260sr1-20080117/jre/lib/jndi.jar: /spec/pap3260sr1-20080117/jre/lib/logging.jar: /spec/pap3260sr1-20080117/jre/lib/security.jar: /spec/pap3260sr1-20080117/jre/lib/sql.jar: /spec/pap3260sr1-20080117/jre/lib/ibmorb.jar: /spec/pap3260sr1-20080117/jre/lib/ibmorbapi.jar: /spec/pap3260sr1-20080117/jre/lib/ibmcfw.jar: /spec/pap3260sr1-20080117/jre/lib/rt.jar: /spec/pap3260sr1-20080117/jre/lib/charsets.jar: /spec/pap3260sr1-20080117/jre/lib/resources.jar: /spec/pap3260sr1-20080117/jre/lib/ibmpkcs.jar: /spec/pap3260sr1-20080117/jre/lib/ibmcertpathfw.jar: /spec/pap3260sr1-20080117/jre/lib/ibmjgssfw.jar: /spec/pap3260sr1-20080117/jre/lib/ibmjssefw.jar: /spec/pap3260sr1-20080117/jre/lib/ibmsaslfw.jar: /spec/pap3260sr1-20080117/jre/lib/ibmjcefw.jar: /spec/pap3260sr1-20080117/jre/lib/ibmjgssprovider.jar: /spec/pap3260sr1-20080117/jre/lib/ibmjsseprovider2.jar: /spec/pap3260sr1-20080117/jre/lib/ibmcertpathprovider.jar: /spec/pap3260sr1-20080117/jre/lib/ibmxmlcrypto.jar: /spec/pap3260sr1-20080117/jre/lib/management-agent.jar: /spec/pap3260sr1-20080117/jre/lib/xml.jar: /spec/pap3260sr1-20080117/jre/lib/jlm.jar: /spec/pap3260sr1-20080117/jre/lib/javascript.jar: /spec/pap3260sr1-20080117/jre/lib/RACF.jar |  
| OS Version | 
IBM AIX V6.1 with the 6100-02 Technology Level |  
| Other software | 
  |  
 
 | 
| 
Test Information |  
| Tested by | 
IBM Corporation |  
| SPEC license # | 
11 |  
| Test location | 
Austin, TX |  
| Test date | 
Sep 26, 2008 |  
| H/w available | 
Nov-2008  |  
| JVM available | 
Apr-2008 |  
| OS available | 
Nov-2008 |  
| Other s/w available | 
  |  
 
 | 
| 
Tuning |  
Operating system tunings- vmo -o lgpg_regions=1536 -o lgpg_size=16777216 -o v_pinshm=1
 - dscrctl -n -s 1
 - LDR_CNTRL=DATAPSIZE=64k@STACKPSIZE=64k@TEXTPSIZE=64k
 - MEMORY_AFFINITY=MCM
 
  |  
 
| 
Notes |  
| 8 JVMs were run in processor sets each containing 2 cores |  
 
 |