Hardware |
Hardware Vendor |
IBM Corporation |
Vendor URL |
http://www.ibm.com |
Model |
IBM Power 780 (3.86 GHz, 64 core) |
Processor |
POWER7 (Intelligent Energy Optimization up to 3.94 GHz) |
MHz |
3860 |
# of Chips |
8 |
# of Cores |
64 |
# of Cores/Chip |
8 |
HW Threading Enabled? |
Yes |
Procs Avail to Java |
256 |
Memory (MB) |
524288 |
Memory Details |
64 x 8GB DDR3 1066 MHz |
Primary cache |
32 KB I + 32 KB D on chip per core |
Secondary cache |
256KB I+D on chip per core |
Other cache |
4MB I+D on chip per core |
Filesystem |
AIX/JFS2 |
Disks |
1 x 146GB SAS 15K RPM |
Other hardware |
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Software |
Software Vendor |
IBM Corporation |
Vendor URL |
http://www.ibm.com |
JVM Version |
JRE 1.6.0 (32-bit) IBM J9 2.4 AIX [build jvmap3260sr7-20091214_49398(SR7)] |
JVM Command Line |
execrset -c processor_set_number -e java -Xlp -Xgcpolicy:gencon -Xms2560m -Xmx2560m -Xmn2048m -Xaggressive -XtlhPrefetch -XlockReservation -Xgcthreads4 -Xnoloa 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/sr7/jre/lib/vm.jar: /spec/sr7/jre/lib/annotation.jar: /spec/sr7/jre/lib/beans.jar: /spec/sr7/jre/lib/java.util.jar: /spec/sr7/jre/lib/jndi.jar: /spec/sr7/jre/lib/logging.jar: /spec/sr7/jre/lib/security.jar: /spec/sr7/jre/lib/sql.jar: /spec/sr7/jre/lib/ibmorb.jar: /spec/sr7/jre/lib/ibmorbapi.jar: /spec/sr7/jre/lib/ibmcfw.jar: /spec/sr7/jre/lib/rt.jar: /spec/sr7/jre/lib/charsets.jar: /spec/sr7/jre/lib/resources.jar: /spec/sr7/jre/lib/ibmpkcs.jar: /spec/sr7/jre/lib/ibmcertpathfw.jar: /spec/sr7/jre/lib/ibmjgssfw.jar: /spec/sr7/jre/lib/ibmjssefw.jar: /spec/sr7/jre/lib/ibmsaslfw.jar: /spec/sr7/jre/lib/ibmjcefw.jar: /spec/sr7/jre/lib/ibmjgssprovider.jar: /spec/sr7/jre/lib/ibmjsseprovider2.jar: /spec/sr7/jre/lib/ibmcertpathprovider.jar: /spec/sr7/jre/lib/ibmxmlcrypto.jar: /spec/sr7/jre/lib/management-agent.jar: /spec/sr7/jre/lib/xml.jar: /spec/sr7/jre/lib/jlm.jar: /spec/sr7/jre/lib/javascript.jar |
OS Version |
IBM AIX V6.1 with the 6100-04 Technology Level and Service Pack 3 |
Other software |
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Test Information |
Tested by |
IBM Corporation |
SPEC license # |
11 |
Test location |
Austin, TX |
Test date |
Mar 28, 2010 |
H/w available |
Mar-2010 |
JVM available |
Dec-2009 |
OS available |
Mar-2010 |
Other s/w available |
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Tuning |
Operating system tunings - vmo -o lgpg_regions=24576 -o lgpg_size=16777216 -o v_pinshm=1
- dscrctl -n -s 1
- MEMORY_AFFINITY=MCM
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Notes |
- 64 JVMs were run in processor sets each containing 1 core
- IBM Systems Director is required to set the Intelligent Optimization HW mode
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