cpu-rendering KVM QEMU testing on Ubuntu 22.04 via the Phoronix Test Suite. 8 x QEMU Virtual 1.5.3: Processor: 8 x QEMU Virtual 1.5.3 (8 Cores), Motherboard: Red Hat KVM (0.5.1 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 16 GB RAM, Disk: 54GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Realtek RTL-8100/8101L/8139 OS: Ubuntu 22.04, Kernel: 5.15.0-60-generic (x86_64), Vulkan: 1.3.255, Compiler: GCC 11.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM QEMU 1.5.3 8 x QEMU Virtual 2.5: Processor: 8 x QEMU Virtual 2.5+ (8 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (1.15.0-1 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 16 GB RAM QEMU, Disk: 54GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Realtek RTL-8100/8101L/8139 OS: Ubuntu 22.04, Kernel: 5.15.0-130-generic (x86_64), Vulkan: 1.3.255, Compiler: GCC 11.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM QEMU Smallpt 1.0 Global Illumination Renderer; 128 Samples Seconds < Lower Is Better 8 x QEMU Virtual 1.5.3 . 33.55 |=============================================== 8 x QEMU Virtual 2.5 ... 29.67 |==========================================