mem1 4 x AMD Opteron 6376 testing with a Supermicro H8QG6 and Matrox s MGA G200eW WPCM450 on CentOS 7.1.1503 via the Phoronix Test Suite. mem1: Processor: 4 x AMD Opteron 6376 @ 2.30GHz (64 Cores), Motherboard: Supermicro H8QG6, Chipset: AMD RD890 + SB7x0/SB8x0/SB9x0, Memory: 15 x 16384 MB DDR3-1600MHz Hyundai, Disk: 4001GB Western Digital WD4000FYYZ-0, Graphics: LLVMpipe, Monitor: HP LE2201w, Network: Intel 82576 Gigabit Connection OS: CentOS 7.1.1503, Kernel: 3.10.0-229.1.2.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.8.4, Display Server: X Server 1.15.0, Display Driver: modesetting 0.8.0, OpenGL: 2.1 Mesa 10.2.7 Gallium 0.4, Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 1280x1024 Stream 2013-01-17 Type: Copy MB/s > Higher Is Better mem1 . 33203.85 |============================================================== Stream 2013-01-17 Type: Scale MB/s > Higher Is Better mem1 . 25820.52 |============================================================== Stream 2013-01-17 Type: Triad MB/s > Higher Is Better mem1 . 28668.80 |============================================================== Stream 2013-01-17 Type: Add MB/s > Higher Is Better mem1 . 28511.97 |==============================================================