512M KVM testing on Ubuntu 20.04 via the Phoronix Test Suite. Common KVM - bochs-drmdrmfb - QEMU Standard PC: Processor: Common KVM (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 2048MB, Disk: 32GB, Graphics: bochs-drmdrmfb, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.4.0-29-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Common KVM - bochs-drmdrmfb - QEMU Standard PC . 1322.15 |===================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Common KVM - bochs-drmdrmfb - QEMU Standard PC . 82.14 |=======================