c1 Xen 4.2.amazon Hypervisor testing on Ubuntu 14.04 via the Phoronix Test Suite. instance4: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (4 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance4b: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (4 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor BLAKE2 20130131 Phoronix Test Suite v4.8.3 Cycles Per Byte < Lower Is Better instance4 .. 5.35 |============================================================ instance4b . 5.35 |============================================================