testram 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 RAMspeed SMP 3.5.0 Type: Add - Benchmark: Integer MB/s > Higher Is Better 4096 MB RAM . 18939.07 |======================================================= RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Integer MB/s > Higher Is Better 4096 MB RAM . 16335.92 |======================================================= RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Integer MB/s > Higher Is Better 4096 MB RAM . 17180.35 |======================================================= RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Integer MB/s > Higher Is Better 4096 MB RAM . 18261.86 |======================================================= RAMspeed SMP 3.5.0 Type: Average - Benchmark: Integer MB/s > Higher Is Better 4096 MB RAM . 17738.97 |======================================================= RAMspeed SMP 3.5.0 Type: Add - Benchmark: Floating Point MB/s > Higher Is Better 4096 MB RAM . 17645.07 |======================================================= RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Floating Point MB/s > Higher Is Better 4096 MB RAM . 16281.12 |======================================================= RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Floating Point MB/s > Higher Is Better 4096 MB RAM . 14028.51 |======================================================= RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Floating Point MB/s > Higher Is Better 4096 MB RAM . 17734.12 |======================================================= RAMspeed SMP 3.5.0 Type: Average - Benchmark: Floating Point MB/s > Higher Is Better 4096 MB RAM . 16381.85 |=======================================================