Hardware |
Hardware Vendor |
Hitachi, Ltd. |
Vendor URL |
http://www.hitachi.com |
Model |
Hitachi Compute Blade 520A Server blade (2.3GHz Xeon E5-2470) |
Processor |
Intel Xeon E5-2470 (Intel Turbo Boost Technology up to 3.10 GHz) |
MHz |
2300 |
# of Chips |
2 |
# of Cores |
16 |
# of Cores/Chip |
8 |
HW Threading Enabled? |
Yes |
Procs Avail to Java |
32 |
Memory (MB) |
98304 |
Memory Details |
12 x 8 GB 2Rx4 PC3L-12800R-11, ECC |
Primary cache |
32KB(I) + 32KB(D) on chip per core |
Secondary cache |
256KB(I+D) on chip per core |
Other cache |
20 MB(I+D) on chip per chip |
Filesystem |
NTFS |
Disks |
2 x 147 GB 15000 rpm SAS HDD RAID1 configuration |
Other hardware |
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|
Software |
Software Vendor |
Oracle Corporation |
Vendor URL |
http://www.oracle.com |
JVM Version |
Oracle Java HotSpot(TM) 64-Bit Server VM on Windows, version 1.6.0_30 |
JVM Command Line |
start /HIGH /AFFINITY [FFFF,FFFF0000] java -server -Xmx22g -Xms22g -Xmn20g -XX:SurvivorRatio=60 -XX:TargetSurvivorRatio=90 -XX:ParallelGCThreads=16 -XX:-UseAdaptiveSizePolicy -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=4 -XX:LoopUnrollLimit=45 -XX:InitialTenuringThreshold=12 -XX:MaxTenuringThreshold=15 -XX:InlineSmallCode=3900 -XX:MaxInlineSize=270 -XX:FreqInlineSize=2500 -XX:+UseLargePages -XX:+UseParallelOldGC -XX:+UseCompressedStrings -XX:+AggressiveOpts |
JVM Initial Heap Memory (MB) |
22528 |
JVM Maximum Heap Memory (MB) |
22528 |
JVM Address bits |
64 |
JVM CLASSPATH |
.\jbb.jar; .\check.jar;
|
JVM BOOTCLASSPATH |
C:\Program Files\Java\jre6\lib\alt-string.jar; C:\Program Files\Java\jre6\lib\alt-rt.jar; C:\Program Files\Java\jre6\lib\resources.jar; C:\Program Files\Java\jre6\lib\rt.jar; C:\Program Files\Java\jre6\lib\sunrsasign.jar; C:\Program Files\Java\jre6\lib\jsse.jar; C:\Program Files\Java\jre6\lib\jce.jar; C:\Program Files\Java\jre6\lib\charsets.jar; C:\Program Files\Java\jre6\lib\modules\jdk.boot.jar; C:\Program Files\Java\jre6\classes |
OS Version |
Microsoft Windows Server 2008 R2 Enterprise SP1 (64-bit) |
Other software |
None |
|
Test Information |
Tested by |
Hitachi, Ltd. |
SPEC license # |
35 |
Test location |
Japan |
Test date |
Jun 12, 2012 |
H/w available |
Jun-2012 |
JVM available |
Dec-2011 |
OS available |
Feb-2011 |
Other s/w available |
|
|
Tuning |
- Turned off "Hardware Prefetcher" in BIOS.
- Turned off "Adjacent Cache Prefetch" in BIOS.
- Turned off "DCU Streamer Prefetcher" in BIOS.
- "Operating Mode" set to "Maximum Performance" in BIOS.
- Each JVM instance had the affinity mask set to bind to 16 cores each, 2 JVMs total
|
Notes |
- input.expected_peak_warehouse is set to 16
- Hitachi Compute Blade 520A and BladeSymphony BS520A are electronically equivalent. The result has been measured on a BladeSymphony BS520A.
- Command line options are described at: http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html
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