Memory Test For Reference 32 x AMD Opteron 6380 testing with a Supermicro H8QGL and Matrox s MGA G200eW WPCM450 on CentOS 6.4 via the Phoronix Test Suite. Mem Test: Processor: 32 x AMD Opteron 6380 @ 2.50GHz (256 Cores), Motherboard: Supermicro H8QGL, Chipset: AMD ATI RD890 + SB7x0/SB8x0/SB9x0, Memory: 1032192MB, Disk: 2 x 256GB Samsung SSD 840, Graphics: Matrox s MGA G200eW WPCM450, Network: Intel 82576 Gigabit Connection OS: CentOS 6.4, Kernel: 3.10.10-advanced+ (x86_64), Compiler: GCC 4.4.7 20120313 + Open64 4.5.2.1 + PGI C-C++ Workstation, File-System: nfs Stream 2013-01-17 Type: Copy MB/s > Higher Is Better Mem Test . 2322.87 |=========================================================== Stream 2013-01-17 Type: Scale MB/s > Higher Is Better Mem Test . 2292.53 |=========================================================== Stream 2013-01-17 Type: Triad MB/s > Higher Is Better Mem Test . 2989.08 |=========================================================== Stream 2013-01-17 Type: Add MB/s > Higher Is Better Mem Test . 2416.33 |===========================================================