Hardware |
Hardware Vendor |
Dell Inc. |
Vendor URL |
http://www.dell.com |
Model |
PowerEdge R820 (Intel Xeon E5-4650, 2.70GHz) |
Processor |
Intel Xeon SB-EP E5-4650 (Intel Turbo Boost Technology up to 3.30 GHz) |
MHz |
2700 |
# of Chips |
4 |
# of Cores |
32 |
# of Cores/Chip |
8 |
HW Threading Enabled? |
Yes |
Procs Avail to Java |
64 |
Memory (MB) |
262144 |
Memory Details |
32 x 8GB 2Rx4 PC3-12800R-11, ECC |
Primary cache |
32 KB I + 32 KB D |
Secondary cache |
256 KB I+D on chip per core |
Other cache |
20 MB I+D on chip per chip |
Filesystem |
NTFS |
Disks |
1 x 100 GB SATA SSD (classes + OS) |
Other hardware |
N/A |
|
Software |
Software Vendor |
IBM |
Vendor URL |
http://www.IBM.com |
JVM Version |
Java IBM J9 VM (build 2.6, JRE 1.7.0 Windows Server 2008 R2 amd64-64 20120322_106209 |
JVM Command Line |
-Xaggressive -Xcompressedrefs -Xmx1875m -Xms1875m -Xmn1400m -XlockReservation -Xnoloa -XtlhPrefetch -Xlp -Xconcurrentlevel0 |
JVM Initial Heap Memory (MB) |
1875 |
JVM Maximum Heap Memory (MB) |
1875 |
JVM Address bits |
64 |
JVM CLASSPATH |
.\jbb.jar; .\check.jar;
|
JVM BOOTCLASSPATH |
c:\specjbb2005\jvm\ibm_sdk70\jre\lib\aggressive.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\bin\compressedrefs\jclSC170\vm.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\se-service.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\math.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\jlm.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmorb.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmorbapi.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmcfw.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmpkcs.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmcertpathfw.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmjgssfw.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmjssefw.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmsaslfw.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmjcefw.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmjgssprovider.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmjsseprovider2.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\ibmcertpathprovider.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\xmldsigfw.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\xml.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\charsets.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\resources.jar; c:\specjbb2005\jvm\ibm_sdk70\jre\lib\rt.jar |
OS Version |
Microsoft Windows Server 2008 Enterprise x64 Edition R2 SP1 |
Other software |
IBM SDK Java Technology Edition Version 7.0 for Windows x64 |
|
Test Information |
Tested by |
Dell Inc. |
SPEC license # |
55 |
Test location |
Round Rock, TX |
Test date |
Aug 6, 2012 |
H/w available |
July-2012 |
JVM available |
Jun-2012 |
OS available |
Feb-2011 |
Other s/w available |
Jun-2012 |
|
Tuning |
- Operating system tunings
- Lock pages in memory enabled
- Use "start /AFFINITY" [0xF,0xF0,0xF00,0xF000,0xF0000,0xF00000,0xF000000,0xF0000000,0xF00000000,0xF000000000,0xF0000000000,0xF00000000000,0xF000000000000,0xF0000000000000,0xF00000000000000,0xF000000000000000]
|
Notes |
- BIOS Tunings:
- Adjacent Cache Line Prefetch disabled
- Hardware Prefetcher disabled
- DCU Streamer Prefetcher disabled
- Performance Optimized System Profile
|
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