ram 4 x Intel Xeon E312xx (Sandy Bridge) testing with a OpenStack Foundation Nova v2014.1 and Red Hat QXL paravirtual graphic card on Ubuntu 14.04 via the Phoronix Test Suite. ram-n1: Processor: 4 x Intel Xeon E312xx (Sandy Bridge) @ 2.00GHz (4 Cores), Motherboard: OpenStack Foundation Nova v2014.1, Chipset: Intel 440FX- 82441FX PMC, Memory: 16384MB, Disk: 50GB, Graphics: Red Hat QXL paravirtual graphic card, Network: Red Hat Virtio device OS: Ubuntu 14.04, Kernel: 3.13.0-52-generic (x86_64), Compiler: GCC 4.8.2, File-System: ext4 RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better ram-n1 . 19333.58 |============================================================ RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better ram-n1 . 17903.93 |============================================================ RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better ram-n1 . 18029.84 |============================================================ RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better ram-n1 . 16777.01 |============================================================ Stream 2013-01-17 Add MB/s > Higher Is Better ram-n1 . 29180.96 |============================================================ Stream 2013-01-17 Copy MB/s > Higher Is Better ram-n1 . 27029.74 |============================================================ Stream 2013-01-17 Scale MB/s > Higher Is Better ram-n1 . 27421.14 |============================================================ CacheBench Read Cache MB/s > Higher Is Better ram-n1 . 2097.76 |============================================================= CacheBench Write Cache MB/s > Higher Is Better ram-n1 . 9313.02 |=============================================================