Hardware |
Hardware Vendor |
IBM Corporation |
Vendor URL |
http://www.ibm.com |
Model |
IBM Power 750 Express (3.5 GHz, 32 core) |
Processor |
POWER7+ (Intelligent Energy Optimization enabled, up to 3955 MHz) |
MHz |
3500 |
# 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 |
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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 |
/spec/sdk/jre/lib/ppc/default/jclSC170/vm.jar: /spec/sdk/jre/lib/se-service.jar: /spec/sdk/jre/lib/math.jar: /spec/sdk/jre/lib/jlm.jar: /spec/sdk/jre/lib/ibmorb.jar: /spec/sdk/jre/lib/ibmorbapi.jar: /spec/sdk/jre/lib/ibmcfw.jar: /spec/sdk/jre/lib/ibmpkcs.jar: /spec/sdk/jre/lib/ibmcertpathfw.jar: /spec/sdk/jre/lib/ibmjgssfw.jar: /spec/sdk/jre/lib/ibmjssefw.jar: /spec/sdk/jre/lib/ibmsaslfw.jar: /spec/sdk/jre/lib/ibmjcefw.jar: /spec/sdk/jre/lib/ibmjgssprovider.jar: /spec/sdk/jre/lib/ibmjsseprovider2.jar: /spec/sdk/jre/lib/ibmcertpathprovider.jar: /spec/sdk/jre/lib/xmldsigfw.jar: /spec/sdk/jre/lib/xml.jar: /spec/sdk/jre/lib/charsets.jar: /spec/sdk/jre/lib/resources.jar: /spec/sdk/jre/lib/rt.jar |
OS Version |
IBM AIX V7.1 TL2 SP2 |
Other software |
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Test Information |
Tested by |
IBM Corporation |
SPEC license # |
11 |
Test location |
Austin, TX |
Test date |
Jan 11, 2013 |
H/w available |
Mar-2013 |
JVM available |
Nov-2012 |
OS available |
Feb-2013 |
Other s/w available |
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Tuning |
Operating system tunings- dscrctl -n -s 1
- MEMORY_AFFINITY=MCM
Platform tunings- The "Dynamic Power Saver - Favor Performance" mode was enabled on "IBM Advanced System Management"
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Notes |
- 12288 16 MB large pages defined with vmo command
- 32 JVMs were run in processor sets each containing 1 core
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