Ubuntu-Mate II solo Kernel 4.8.0: Processor: Intel Xeon X5650 @ 3.43GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 32GB VBOX HDD, Graphics: LLVMpipe, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit OS: Ubuntu 16.04, Kernel: 4.8.0-040800rc5-generic (x86_64), Desktop: MATE 1.12.1, Display Server: X Server 1.18.3, Display Driver: modesetting 1.18.3, OpenGL: 1.4 (3.0 Mesa 11.2.0) Gallium 0.4, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768, System Layer: Oracle VirtualBox TSCP 1.81 AI Chess Performance Nodes Per Second > Higher Is Better Kernel 4.8.0 . 711440 |======================================================== Crafty 23.4 Elapsed Time Seconds < Lower Is Better Kernel 4.8.0 . 100.43 |========================================================