cpu-over-provision Xen HVM domU 4.13 testing on Ubuntu 22.04 via the Phoronix Test Suite. single vm 24 cores: Processor: 2 x AMD Ryzen 9 5900X 12-Core (32 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 16GB, Disk: 29GB, Graphics: bochs-drmdrmfb OS: Ubuntu 22.04, Kernel: 5.15.0-67-generic (x86_64), Vulkan: 1.3.224, Compiler: GCC 11.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13 two VM 24 cores each: Processor: 2 x AMD Ryzen 9 5900X 12-Core (32 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 16GB, Disk: 29GB, Graphics: bochs-drmdrmfb OS: Ubuntu 22.04, Kernel: 5.15.0-67-generic (x86_64), Vulkan: 1.3.224, Compiler: GCC 11.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13 Timed Linux Kernel Compilation 6.1 Build: defconfig Seconds < Lower Is Better single vm 24 cores ... 67.04 |============================ two VM 24 cores each . 114.58 |================================================