ramspeedtest KVM testing on Ubuntu 18.04 via the Phoronix Test Suite. 6140 MB RAM QEMU: Processor: 2 x AMD Ryzen 7 3800X 8-Core @ 3.90GHz (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 6140 MB RAM QEMU, Disk: 45GB, Graphics: Cirrus Logic GD 5446, Audio: QEMU Generic, Network: Red Hat Virtio device OS: Ubuntu 18.04, Kernel: 4.15.0-20-generic (x86_64), File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM RAMspeed SMP 3.5.0 Type: Add - Benchmark: Integer MB/s > Higher Is Better 6140 MB RAM QEMU . 17741.95 |================================================== RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Integer MB/s > Higher Is Better 6140 MB RAM QEMU . 15309.26 |================================================== RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Integer MB/s > Higher Is Better 6140 MB RAM QEMU . 15668.33 |================================================== RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Integer MB/s > Higher Is Better 6140 MB RAM QEMU . 17593.36 |================================================== RAMspeed SMP 3.5.0 Type: Average - Benchmark: Integer MB/s > Higher Is Better 6140 MB RAM QEMU . 16758.75 |================================================== RAMspeed SMP 3.5.0 Type: Add - Benchmark: Floating Point MB/s > Higher Is Better 6140 MB RAM QEMU . 18053.54 |================================================== RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Floating Point MB/s > Higher Is Better 6140 MB RAM QEMU . 15812.82 |================================================== RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Floating Point MB/s > Higher Is Better 6140 MB RAM QEMU . 15582.97 |================================================== RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Floating Point MB/s > Higher Is Better 6140 MB RAM QEMU . 17708.13 |================================================== RAMspeed SMP 3.5.0 Type: Average - Benchmark: Floating Point MB/s > Higher Is Better 6140 MB RAM QEMU . 16871.37 |==================================================