testmem KVM testing on CentOS 7.1.1503 via the Phoronix Test Suite. 4096 MB RAM: Processor: 2 x Intel Xeon E5-2620 v3 @ 2.39GHz (2 Cores), Motherboard: OpenStack Foundation Nova v2.0.0.98, Chipset: Red Hat Virtio, Memory: 1 x 4096 MB RAM, Disk: 20GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 7.1.1503, Kernel: 3.10.0-514.6.2.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM Stream 2013-01-17 Type: Copy MB/s > Higher Is Better 4096 MB RAM . 25685.14 |======================================================= Stream 2013-01-17 Type: Scale MB/s > Higher Is Better 4096 MB RAM . 18439.93 |======================================================= Stream 2013-01-17 Type: Triad MB/s > Higher Is Better 4096 MB RAM . 21090.84 |======================================================= Stream 2013-01-17 Type: Add MB/s > Higher Is Better 4096 MB RAM . 20928.77 |=======================================================