Hardware |
Hardware Vendor |
Cisco Systems |
Vendor URL |
http://www.cisco.com |
Model |
Cisco UCS C260 M2 (Intel Xeon E7-2870, 2.4GHz) |
Processor |
Intel Xeon E7-2870 (Intel Turbo Boost Technology up to 2.80GHz) |
MHz |
2400 |
# of Chips |
2 |
# of Cores |
20 |
# of Cores/Chip |
10 |
HW Threading Enabled? |
yes |
Procs Avail to Java |
40 |
Memory (MB) |
524288 |
Memory Details |
512GB(32 x 16GB 4Rx4 PC3L-8500R, ECC, running 1066MHz) |
Primary cache |
32KB I+32KB D on chip per core |
Secondary cache |
256KB(I+D) on chip per core |
Other cache |
30MB (I+D) on chip per chip |
Filesystem |
NTFS |
Disks |
2 x 146GB SAS |
Other hardware |
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|
Software |
Software Vendor |
Oracle Corporation |
Vendor URL |
http://www.oracle.com |
JVM Version |
Oracle Corporation Oracle Java HotSpot(TM) 64-Bit Server VM on Windows, version 1.6.0_24 |
JVM Command Line |
-Xmx29g -Xms29g -Xmn27g -XX:SurvivorRatio=60 -XX:TargetSurvivorRatio=90 -XX:ParallelGCThreads=20 -XX:AllocatePrefetchDistance=192 -XX:AllocatePrefetchLines=4 -XX:LoopUnrollLimit=45 -XX:InitialTenuringThreshold=20 -XX:MaxTenuringThreshold=40 -XX:InlineSmallCode=5500 -XX:MaxInlineSize=220 -XX:FreqInlineSize=2500 -XX:+UseLargePages -XX:+UseParallelOldGC -XX:+UseCompressedStrings -XX:+AggressiveOpts |
JVM Initial Heap Memory (MB) |
29696 |
JVM Maximum Heap Memory (MB) |
29696 |
JVM Address bits |
64 |
JVM CLASSPATH |
.\jbb.jar; .\check.jar;
|
JVM BOOTCLASSPATH |
c:\jre6u24\lib\alt-string.jar; c:\jre6u24\lib\alt-rt.jar; c:\jre6u24\lib\resources.jar; c:\jre6u24\lib\rt.jar; c:\jre6u24\lib\sunrsasign.jar; c:\jre6u24\lib\jsse.jar; c:\jre6u24\lib\jce.jar; c:\jre6u24\lib\charsets.jar; c:\jre6u24\lib\modules\jdk.boot.jar; c:\jre6u24\classes |
OS Version |
Microsoft Windows Server 2008 Enterprise Edition x64 SP1 |
Other software |
|
|
Test Information |
Tested by |
Cisco Systems |
SPEC license # |
9019 |
Test location |
San Jose, CA |
Test date |
Apr 3, 2011 |
H/w available |
June-2011 |
JVM available |
Feb-2011 |
OS available |
May-2008 |
Other s/w available |
N/A |
|
Tuning |
BIOS and operating system tunings- Turned off "Hardware Prefetcher" in BIOS.
- Turned off "Adjacent Cache Line Prefetch" in BIOS.
- "Lock pages in memory" enabled for benchmark user.
- Each JVM instance was affinitized to a chip.
|
Notes |
Command line options are described under http://download.oracle.com/docs/cd/E17409_01/javase/6/docs/index.html and at http://java.sun.com/javase/technologies/hotspot/vmoptions.jsp |
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