cray1 KVM testing on CentOS 7.3.1611 via the Phoronix Test Suite. Intel Xeon E5-2680 v3: Processor: Intel Xeon E5-2680 v3 @ 2.49GHz (1 Core), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 1024 MB RAM QEMU, Disk: 40GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 7.3.1611, Kernel: 3.10.0-514.6.1.el7.x86_64 (x86_64), Display Driver: modesetting 1.17.2, Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM C-Ray 1.1 Total Time Seconds < Lower Is Better Intel Xeon E5-2680 v3 . 144.17 |===============================================