Test1 Test WITH without: Processor: 2 x Intel Xeon E5649 @ 2.53GHz (24 Cores), Motherboard: Supermicro X8DT3 v2.0, Memory: 8 x 8192 MB DDR3-1333MHz Kingston, Disk: 7999GB MR9260-4i + 4000GB MR9260-4i OS: CentOS Linux 7, Kernel: 3.10.0-229.14.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.3 20140911, File-System: ext4, Screen Resolution: 1024x768 WITH: Processor: 2 x Intel Xeon E5649 @ 2.53GHz (24 Cores), Motherboard: Supermicro X8DT3 v2.0, Memory: 8 x 8192 MB DDR3-1333MHz Kingston, Disk: 7999GB MR9260-4i + 4000GB MR9260-4i OS: CentOS Linux 7, Kernel: 3.10.0-229.14.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.3 20140911, File-System: ext4, Screen Resolution: 1024x768 IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better without . 420.04 |============================================================= SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better WITH . 847.37 |================================================================