|
Hardware |
| Hardware Vendor |
IBM Corporation |
| Vendor URL |
http://www.ibm.com |
| Model |
IBM Power 780 (3.7 GHz, 128 core, RHEL) |
| Processor |
POWER7+ (Intelligent Energy Optimization enabled, up to 4144 MHz) |
| MHz |
3724 |
| # of Chips |
16 |
| # of Cores |
128 |
| # of Cores/Chip |
8 |
| HW Threading Enabled? |
yes |
| Procs Avail to Java |
512 |
| Memory (MB) |
1048576 |
| Memory Details |
64 x 16 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 |
12 x 146.8 GB SAS SFF 15K RPM |
| Other hardware |
None |
|
|
Software |
| Software Vendor |
IBM |
| Vendor URL |
http://www.ibm.com |
| JVM Version |
JRE 1.7.0 (32-bit) IBM J9 2.6 Linux (build pxp3270sr3-20120316_105695(SR3)) |
| JVM Command Line |
taskset -c [0-3,4-7,...,508-511] -- -Xlp -Xaggressive -Xgcpolicy:gencon -Xgcthreads4 -XlockReservation -Xnoloa -Xms2560m -Xmx2560m -Xmn2048m -XtlhPrefetch -Xjit:TLHPrefetchLineCount=6,TLHPrefetchStaggeredLineCount=2 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/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 6.3 (2.6.32-279.el6.ppc64) |
| Other software |
|
|
|
Test Information |
| Tested by |
IBM Corporation |
| SPEC license # |
11 |
| Test location |
Austin, TX |
| Test date |
Sep 27, 2012 |
| H/w available |
Oct-2012 |
| JVM available |
Nov-2012 |
| OS available |
Jun-2012 |
| Other s/w available |
|
|
|
Tuning |
Operating system tunings - echo 24000 > /proc/sys/vm/nr_hugepages
- echo 600000000000 > /proc/sys/kernel/shmmax
- echo 20000000 > /proc/sys/kernel/shmall
- ppc64_cpu --dscr=1
|
|
Notes |
- 128 JVMs were run in processor sets each containing 1 core.
- Service processor memory mirroring property disabled.
|
|