| | Hardware | 
|---|
 | Hardware Vendor | IBM Corporation |  | Vendor URL | http://www.ibm.com |  | Model | IBM BladeCenter HS23E |  | Processor | Intel Xeon E5-2470 (Intel Turbo Boost Technology up to 3.1 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 8GB 2Rx4 PC3-12800R-11, ECC |  | Primary cache | 4KBI+4KBD |  | Secondary cache | 64KB(I+D) off chip |  | Other cache |  |  | Filesystem | NTFS |  | Disks | 1 x 300GB 10 K SAS |  | Other hardware |  | 
 | | Software | 
|---|
 | Software Vendor | IBM Corporation |  | Vendor URL | http://www.ibm.com |  | JVM Version | IBM J9 JVM (build 2.6, JRE 1.7.0 Windows Server 2008 R2 amd64-64 20120204_101769 (JIT enabled, AOT enabled) |  | JVM Command Line | start /AFFINITY %HEX% java -Xaggressive -Xcompressedrefs -Xmn1400m -Xms1875m -Xmx1875m -XlockReservation -Xnoloa -XtlhPrefetch -Xlp -Xconcurrentlevel0 -spec.jbb.JBBmain -propfile SPECjbb.props |  | 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:\sdk\jre\bin\compressedrefs\jclSC170\vm.jar; c:\sdk\jre\lib\se-service.jar;
 c:\sdk\jre\lib\math.jar;
 c:\sdk\jre\lib\jlm.jar;
 c:\sdk\jre\lib\ibmorb.jar;
 c:\sdk\jre\lib\ibmorbapi.jar;
 c:\sdk\jre\lib\ibmcfw.jar;
 c:\sdk\jre\lib\ibmpkcs.jar;
 c:\sdk\jre\lib\ibmcertpathfw.jar;
 c:\sdk\jre\lib\ibmjgssfw.jar;
 c:\sdk\jre\lib\ibmjssefw.jar;
 c:\sdk\jre\lib\ibmsaslfw.jar;
 c:\sdk\jre\lib\ibmjcefw.jar;
 c:\sdk\jre\lib\ibmjgssprovider.jar;
 c:\sdk\jre\lib\ibmjsseprovider2.jar;
 c:\sdk\jre\lib\ibmcertpathprovider.jar;
 c:\sdk\jre\lib\xmldsigfw.jar;
 c:\sdk\jre\lib\xml.jar;
 c:\sdk\jre\lib\charsets.jar;
 c:\sdk\jre\lib\resources.jar;
 c:\sdk\jre\lib\rt.jar
 |  | OS Version | Microsoft Windows Server 2008 Enterprise x64 Edition R2 SP1 |  | Other software | None | 
 | 
| | Test Information | 
|---|
 | Tested by | IBM Corporation |  | SPEC license # | 11 |  | Test location | RTP, NC |  | Test date | May 1, 2012 |  | H/w available | Jun-2012 |  | JVM available | Jun-2012 |  | OS available | Feb-2011 |  | Other s/w available | None | 
 | | Tuning | 
|---|
 | Operating System TuningsAffinity Masks set to 0xF, 0xF0, 0xF00, 0xF000, 0xF0000, 0xF00000, 0xF000000, 0xF0000000"lock pages in memory" was enabled for the user running the benchmark
 BIOS ConfigurationOperating mode set to "Maximum Performance"HW Prefetch set to DisabledAdjacent Sector Prefetch set to DisabledDCU Prefetcher set to Disabled
 | 
 |