results VirtualBox 4.3.12 testing on Ubuntu 14.04 via the Phoronix Test Suite. 7zip: Processor: AMD FX-8350 Eight-Core @ 4.29GHz (8 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: + ICH7-M, Memory: 8192MB, Disk: 22GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: Intel 82801AA AC 97 Audio, Monitor: VBOX monitor, Network: Intel 82540EM Gigabit OS: Ubuntu 14.04, Kernel: 3.13.0-36-generic (x86_64), Desktop: KDE, Display Server: X Server 1.15.1, Display Driver: modesetting 0.8.1, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1280x952, System Layer: VirtualBox 4.3.12 7-Zip Compression 9.20.1 Compress Speed Test MIPS > Higher Is Better 7zip . 14900 |=================================================================