sdf Common KVM testing with a OpenStack Foundation Nova and Cirrus Logic GD 5446 on Ubuntu 14.04 via the Phoronix Test Suite. 1st tarif: Processor: Common KVM @ 2.60GHz (1 Core), Motherboard: OpenStack Foundation Nova, Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 512 MB RAM QEMU, Disk: 20GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 14.04, Kernel: 3.13.0-43-generic (x86_64), Compiler: GCC 4.8.2, File-System: ext4 IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better 1st tarif . 42.67 |============================================================ IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better 1st tarif . 166.06 |===========================================================