str KVM testing on CentOS 7.5.1804 via the Phoronix Test Suite. 8192 MB RAM QEMU: Processor: Intel Xeon Gold 6151 @ 3.00GHz (4 Cores), Motherboard: OpenStack Foundation Nova, Memory: 1 x 8192 MB RAM QEMU, Disk: 40GB, Graphics: cirrusdrmfb OS: CentOS 7.5.1804, Kernel: 3.10.0-1160.6.1.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 8192 MB RAM QEMU . 36624.00 |================================================== Stream 2013-01-17 Type: Scale MB/s > Higher Is Better 8192 MB RAM QEMU . 44453.88 |================================================== Stream 2013-01-17 Type: Triad MB/s > Higher Is Better 8192 MB RAM QEMU . 47577.98 |================================================== Stream 2013-01-17 Type: Add MB/s > Higher Is Better 8192 MB RAM QEMU . 47687.14 |==================================================