testmem KVM testing on CentOS Linux 7 via the Phoronix Test Suite. 16384 MB RAM QEMU: Processor: Intel Xeon E5-2680 v4 @ 2.39GHz (4 Cores / 8 Threads), Motherboard: OpenStack Foundation Nova, Memory: 1 x 16384 MB RAM QEMU, Disk: 39GB, Graphics: cirrusdrmfb OS: CentOS Linux 7, Kernel: 3.10.0-693.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 16384 MB RAM QEMU . 19671.82 |================================================= RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Integer MB/s > Higher Is Better 16384 MB RAM QEMU . 17608.72 |================================================= RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Integer MB/s > Higher Is Better 16384 MB RAM QEMU . 15417.13 |================================================= RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Integer MB/s > Higher Is Better 16384 MB RAM QEMU . 19590.63 |================================================= RAMspeed SMP 3.5.0 Type: Average - Benchmark: Integer MB/s > Higher Is Better 16384 MB RAM QEMU . 18055.13 |================================================= RAMspeed SMP 3.5.0 Type: Add - Benchmark: Floating Point MB/s > Higher Is Better 16384 MB RAM QEMU . 19610.91 |================================================= RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Floating Point MB/s > Higher Is Better 16384 MB RAM QEMU . 17672.67 |================================================= RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Floating Point MB/s > Higher Is Better 16384 MB RAM QEMU . 17634.77 |================================================= RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Floating Point MB/s > Higher Is Better 16384 MB RAM QEMU . 19538.30 |================================================= RAMspeed SMP 3.5.0 Type: Average - Benchmark: Floating Point MB/s > Higher Is Better 16384 MB RAM QEMU . 18657.77 |=================================================