kvm-aio qemu testing on Ubuntu 16.04 via the Phoronix Test Suite. kvm: Processor: Common KVM @ 3.40GHz (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 4096 MB RAM QEMU, Disk: 34GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Intel 82540EM Gigabit OS: Ubuntu 16.04, Kernel: 4.4.0-21-generic (x86_64), Compiler: GCC 5.3.1 20160413, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better kvm . 156.39 |=================================================================