memoria VirtualBox testing on Ubuntu 12.04 via the Phoronix Test Suite. prueba_memoria: Processor: Intel Core i5-3230M @ 2.43GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 490MB, Disk: 21GB VBOX HDD, Graphics: LLVMpipe, Audio: Intel 82801AA AC 97 Audio, Monitor: VBOX monitor, Network: AMD 79c970 OS: Ubuntu 12.04, Kernel: 3.8.0-36-generic (x86_64), Desktop: GNOME 3.2.1, Display Server: X Server 1.13.3, Display Driver: vboxvideo 1.0.1, OpenGL: 2.1 Mesa 9.1.7 Gallium 0.4, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1366x768, System Layer: VirtualBox RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better prueba_memoria . 5092.15 |===================================================== RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better prueba_memoria . 5352.44 |===================================================== RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better prueba_memoria . 5419.16 |===================================================== RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better prueba_memoria . 5946 |======================================================== Stream 2013-01-17 Add MB/s > Higher Is Better prueba_memoria . 6478.31 |===================================================== Stream 2013-01-17 Copy MB/s > Higher Is Better prueba_memoria . 5773.17 |===================================================== Stream 2013-01-17 Scale MB/s > Higher Is Better prueba_memoria . 5819.53 |=====================================================