mem VirtualBox testing on Ubuntu 13.10 via the Phoronix Test Suite. mem: Processor: Intel Core i5 650 @ 3.30GHz (4 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 490MB, Disk: 54GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit OS: Ubuntu 13.10, Kernel: 3.11.0-12-generic (x86_64), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 640x480, System Layer: VirtualBox Stream 2013-01-17 Scale MB/s > Higher Is Better mem . 7411.57 |================================================================ Stream 2013-01-17 Copy MB/s > Higher Is Better mem . 11941.33 |=============================================================== RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better mem . 2757.82 |================================================================ RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better mem . 2624.21 |================================================================ RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better mem . 2475.12 |================================================================ RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better mem . 3760.48 |================================================================ CacheBench Write Cache MB/s > Higher Is Better mem . 7015.27 |================================================================ CacheBench Read Cache MB/s > Higher Is Better mem . 1385.81 |================================================================ Stream 2013-01-17 Add MB/s > Higher Is Better mem . 7767.86 |================================================================