Hardware |
Hardware Vendor |
IBM Corporation |
Vendor URL |
http://www.ibm.com |
Model |
IBM PowerLinux 7R4 (4.0 GHz, 32 core, RHEL) |
Processor |
POWER7+ (Intelligent Energy Optimization enabled, up to 4431 MHz) |
MHz |
4060 |
# 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 KB I + 32 KB D 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 |
ext4 |
Disks |
300 GB SAS SFF 15K RPM |
Other hardware |
None |
|
Software |
Software Vendor |
IBM Corporation |
Vendor URL |
http://www.ibm.com |
JVM Version |
JRE 1.7.0 (32-bit) IBM J9 2.6 Linux (build pxp3270sr3-20121025_01(SR3)) |
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-70/jre/lib/aggressive.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ppc/default/jclSC170/vm.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/se-service.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/math.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/jlm.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmorb.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmorbapi.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmcfw.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmpkcs.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmcertpathfw.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmjgssfw.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmjssefw.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmsaslfw.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmjcefw.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmjgssprovider.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmjsseprovider2.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/ibmcertpathprovider.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/xmldsigfw.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/xml.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/charsets.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/resources.jar: /autobench/sources/ibm-java-ppc-70/jre/lib/rt.jar |
OS Version |
Red Hat Enterprise Linux Server release 6.4 (2.6.32-358.6.1.el6.ppc64) |
Other software |
|
|
Test Information |
Tested by |
IBM Corporation |
SPEC license # |
11 |
Test location |
Austin, TX |
Test date |
May 22, 2013 |
H/w available |
Aug-2013 |
JVM available |
Nov-2012 |
OS available |
Feb-2013 |
Other s/w available |
|
|
Tuning |
Operating system tunings - echo 6000 > /proc/sys/vm/nr_hugepages
- echo 100663296000 > /proc/sys/kernel/shmmax
- echo 1536000 > /proc/sys/kernel/shmall
- ppc64_cpu --dscr=1
Platform tunings - The "Dynamic Power Saver - Favor Performance" mode was enabled on "IBM Advanced System Management"
|
Notes |
- 32 JVMs were run in processor sets each containing 1 core
|
|