Stream KVM testing on CentOS Linux 7 via the Phoronix Test Suite. 4096 MB RAM QEMU: Processor: 4 x Intel Xeon E7-4850 v3 @ 2.19GHz (4 Cores), Motherboard: OpenStack Foundation Nova, Chipset: Red Hat Device 8888, Memory: 1 x 4096 MB RAM QEMU, Disk: 38GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS Linux 7, Kernel: 3.10.0-514.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.14.4, Display Driver: modesetting 1.17.2, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM Stream 2013-01-17 Type: Copy MB/s > Higher Is Better 4096 MB RAM QEMU . 28685.74 |================================================== Stream 2013-01-17 Type: Scale MB/s > Higher Is Better 4096 MB RAM QEMU . 20086.82 |================================================== Stream 2013-01-17 Type: Triad MB/s > Higher Is Better 4096 MB RAM QEMU . 23219.00 |================================================== Stream 2013-01-17 Type: Add MB/s > Higher Is Better 4096 MB RAM QEMU . 23059.72 |==================================================