Hardware |
Hardware Vendor |
IBM Corporation |
Vendor URL |
http://www.ibm.com |
Model |
IBM Power 750 Express (3.55 GHz, 32 core, SLES) |
Processor |
POWER7 (Intelligent Energy Optimization up to 3.86 GHz) |
MHz |
3550 |
# of Chips |
4 |
# of Cores |
32 |
# of Cores/Chip |
8 |
HW Threading Enabled? |
yes |
Procs Avail to Java |
128 |
Memory (MB) |
262144 |
Memory Details |
32 x 8GB DDR3 |
Primary cache |
32KBI+32KBD on chip per core |
Secondary cache |
256KB I+D on chip per core |
Other cache |
4MB I+D on chip per core |
Filesystem |
ext3 |
Disks |
8 x 146GB SAS |
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 Linux (build pxp3260sr7-20091215_02(SR7)) |
JVM Command Line |
taskset -c [0-3,4-7,...,124-127] -Xlp -Xaggressive -Xgcpolicy:gencon -Xgcthreads4 -XlockReservation -Xnoloa -Xms2560m -Xmx2560m -Xmn2048m -XtlhPrefetch 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 |
/autobench/sources/ibm-java-ppc-60/jre/lib/vm.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/annotation.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/beans.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/java.util.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/jndi.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/logging.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/security.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/sql.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmorb.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmorbapi.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmcfw.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/rt.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/charsets.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/resources.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmpkcs.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmcertpathfw.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmjgssfw.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmjssefw.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmsaslfw.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmjcefw.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmjgssprovider.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmjsseprovider2.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmcertpathprovider.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/ibmxmlcrypto.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/management-agent.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/xml.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/jlm.jar: /autobench/sources/ibm-java-ppc-60/jre/lib/javascript.jar |
OS Version |
SUSE Linux Enterprise Server 11 (2.6.27.19-5-ppc64) |
Other software |
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Test Information |
Tested by |
IBM Corporation |
SPEC license # |
11 |
Test location |
Austin TX |
Test date |
Feb 2, 2010 |
H/w available |
Feb-2010 |
JVM available |
Dec-2009 |
OS available |
Feb-2009 |
Other s/w available |
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Tuning |
Operating system tunings - echo 10000 > /proc/sys/vm/nr_hugepages
- echo 4000000000 > /proc/sys/kernel/shmmax
- echo 10000000 > /proc/sys/kernel/shmall
- echo 1 > /sys/devices/system/cpu/cpuN/dscr for N=0,...,127
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Notes |
- 32 JVMs were run in processor sets each containing 1 core
- Intelligent Energy Optimization requires IBM Systems Director
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