memorysuitelogicalcpus 4 x Intel Xeon X7560 testing with a Dell 0P658H and Matrox s MGA G200eW WPCM450 on Ubuntu 12.04 via the Phoronix Test Suite. Intel Xeon X7560: Processor: 4 x Intel Xeon X7560 @ 2.26GHz (64 Cores), Motherboard: Dell 0P658H, Chipset: Intel 5520/5500/X58 + ICH10, Memory: 258048MB, Disk: 215GB PERC H700 + 1689GB PERC H700 + 1690GB PERC H700, Graphics: Matrox s MGA G200eW WPCM450, Network: Broadcom NetXtreme II BCM5709 Gigabit OS: Ubuntu 12.04, Kernel: 3.2.0-38-generic (x86_64), Compiler: GCC 4.6 + Clang 3.0-6ubuntu3, File-System: ext4, Screen Resolution: 640x480 RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better Intel Xeon X7560 . 11263.14 |================================================== RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better Intel Xeon X7560 . 11113.14 |================================================== RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better Intel Xeon X7560 . 11027.77 |================================================== RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better Intel Xeon X7560 . 8591.49 |=================================================== Stream 2009-04-11 Add MB/s > Higher Is Better Intel Xeon X7560 . 405143.20 |================================================= Stream 2009-04-11 Copy MB/s > Higher Is Better Intel Xeon X7560 . 310759.69 |================================================= Stream 2009-04-11 Scale MB/s > Higher Is Better Intel Xeon X7560 . 307505.89 |================================================= CacheBench Read Cache MB/s > Higher Is Better Intel Xeon X7560 . 1772.73 |=================================================== CacheBench Write Cache MB/s > Higher Is Better Intel Xeon X7560 . 8363.88 |===================================================