| | Hardware | 
|---|
 | Hardware Vendor | Dell Inc. |  | Vendor URL | http://www.dell.com |  | Model | PowerEdge R420 (Intel Xeon E5-2470, 2.3GHz) |  | 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 | 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 300 GB SAS(classes + OS) |  | Other hardware | N/A | 
 | | Software | 
|---|
 | Software Vendor | Oracle |  | Vendor URL | http://www.oracle.com |  | JVM Version | Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_30-b12, mixed mode) |  | JVM Command Line | -server -Xmx29g -Xms29g -Xmn24g -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) | 29696 |  | JVM Maximum Heap Memory (MB) | 29696 |  | JVM Address bits | 64 |  | JVM CLASSPATH | .\jbb.jar; .\check.jar;
 
 |  | JVM BOOTCLASSPATH | c:\specjbb2005\jvm\jre6\lib\alt-string.jar; c:\specjbb2005\jvm\jre6\lib\alt-rt.jar;
 c:\specjbb2005\jvm\jre6\lib\resources.jar;
 c:\specjbb2005\jvm\jre6\lib\rt.jar;
 c:\specjbb2005\jvm\jre6\lib\sunrsasign.jar;
 c:\specjbb2005\jvm\jre6\lib\jsse.jar;
 c:\specjbb2005\jvm\jre6\lib\jce.jar;
 c:\specjbb2005\jvm\jre6\lib\charsets.jar;
 c:\specjbb2005\jvm\jre6\lib\modules\jdk.boot.jar;
 c:\specjbb2005\jvm\jre6\classes
 |  | OS Version | Windows 2008 Enterprise x64 Edition R2 SP1 |  | Other software | None | 
 | 
| | Test Information | 
|---|
 | Tested by | Dell Inc. |  | SPEC license # | 55 |  | Test location |  |  | Test date | Apr 11, 2012 |  | H/w available | May-2012 |  | JVM available | Dec-2011 |  | OS available | Feb-2011 |  | Other s/w available | NA | 
 | | Tuning | 
|---|
 | Operating system tuningsLock pages in memory enabled
 BIOS TuningsAdjacent Cache Line Prefetch disabledHardware Prefetcher disabledDCU Streamer Prefetcher disabledPerformance Optimized System Profile
 Benchmark TuningsParameter expected_peak_warehouse was set to 16
 JVM TuningsAffinity Masks set to 0x00FF, 0xFF00
 | 
 |