| | Hardware | 
|---|
 | Hardware Vendor | IBM Corporation |  | Vendor URL | http://www.ibm.com |  | Model | IBM System x3755 M3 |  | Processor | AMD Opteron 6180 SE |  | MHz | 2500 |  | # of Chips | 4 |  | # of Cores | 48 |  | # of Cores/Chip | 12 |  | HW Threading Enabled? | No |  | Procs Avail to Java | 48 |  | Memory (MB) | 131072 |  | Memory Details | 32 x 4GB 2Rx4 PC3-10600R CL9 RDIMM; slots 1-32 populated |  | Primary cache | 64 KB I + 64 KB D on chip per core |  | Secondary cache | 512 KB I+D on chip per core |  | Other cache | 12 MB I+D L3 on chip per chip |  | Filesystem | NTFS |  | Disks | 1 x 250GB 7.2K RPM SATA |  | Other hardware | N/A | 
 | | Software | 
|---|
 | Software Vendor | IBM Corporation |  | Vendor URL | http://www.ibm.com |  | JVM Version | IBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 Windows Server 2008 amd64-64 jvmwa6460sr5-20090519_35743 (JIT enabled, AOT enabled) |  | JVM Command Line | start /high /AFFINITY %HEX% java -Xaggressive -Xcompressedrefs -Xgcpolicy:gencon -Xmn1400m -Xms1875m -Xmx1875m -XlockReservation -Xnoloa -XtlhPrefetch -Xlp 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:\IBM\Java60\jre\bin\compressedrefs\jclSC160\vm.jar; C:\IBM\Java60\jre\lib\annotation.jar;
 C:\IBM\Java60\jre\lib\beans.jar;
 C:\IBM\Java60\jre\lib\java.util.jar;
 C:\IBM\Java60\jre\lib\jndi.jar;
 C:\IBM\Java60\jre\lib\logging.jar;
 C:\IBM\Java60\jre\lib\security.jar;
 C:\IBM\Java60\jre\lib\sql.jar;
 C:\IBM\Java60\jre\lib\ibmorb.jar;
 C:\IBM\Java60\jre\lib\ibmorbapi.jar;
 C:\IBM\Java60\jre\lib\ibmcfw.jar;
 C:\IBM\Java60\jre\lib\rt.jar;
 C:\IBM\Java60\jre\lib\charsets.jar;
 C:\IBM\Java60\jre\lib\resources.jar;
 C:\IBM\Java60\jre\lib\ibmpkcs.jar;
 C:\IBM\Java60\jre\lib\ibmcertpathfw.jar;
 C:\IBM\Java60\jre\lib\ibmjgssfw.jar;
 C:\IBM\Java60\jre\lib\ibmjssefw.jar;
 C:\IBM\Java60\jre\lib\ibmsaslfw.jar;
 C:\IBM\Java60\jre\lib\ibmjcefw.jar;
 C:\IBM\Java60\jre\lib\ibmjgssprovider.jar;
 C:\IBM\Java60\jre\lib\ibmjsseprovider2.jar;
 C:\IBM\Java60\jre\lib\ibmcertpathprovider.jar;
 C:\IBM\Java60\jre\lib\ibmxmlcrypto.jar;
 C:\IBM\Java60\jre\lib\management-agent.jar;
 C:\IBM\Java60\jre\lib\xml.jar;
 C:\IBM\Java60\jre\lib\jlm.jar;
 C:\IBM\Java60\jre\lib\javascript.jar
 |  | OS Version | Microsoft Windows Server 2008 R2 Enterprise x64 |  | Other software | N/A | 
 | 
| | Test Information | 
|---|
 | Tested by | IBM Corporation |  | SPEC license # | 11 |  | Test location | Taipei, Taiwan |  | Test date | Mar 20, 2011 |  | H/w available | May-2011 |  | JVM available | Jun-2009 |  | OS available | Oct-2009 |  | Other s/w available | N/A | 
 | | Tuning | 
|---|
 | Affinity Masks set to 0x3f,0xfc0,0x3f000,0xfc0000,0x3f000000,0xfc0000000,0x3f000000000,0xfc0000000000  Using the local security settings console, "lock pages in memory" was enabled for the user running the benchmark.BIOS Settings 'Operating mode' set to 'Custom''DRAM Prefetch Triggered by CPU Request' disabled  'Hardware Prefetches' disabled 'Hardware Prefetch Training on Software Prefetches' disabled 
 | 
 |