benchfftstock2d4096 KVM testing on Ubuntu 22.04 via the Phoronix Test Suite. Intel Xeon E5-2696 v3: Processor: Intel Xeon E5-2696 v3 (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 75GB QEMU HDD, Graphics: llvmpipe, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 22.04, Kernel: 6.8.0-45-generic (x86_64), Desktop: GNOME Shell 42.9, Display Server: X Server, OpenGL: 4.5 Mesa 23.2.1-1ubuntu3.1~22.04.2 (LLVM 15.0.7 256 bits), Vulkan: 1.3.255, Compiler: GCC 11.4.0, File-System: ext4, Screen Resolution: 1920x1080, System Layer: KVM FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 4096 Mflops > Higher Is Better Intel Xeon E5-2696 v3 . 3366.3 |===============================================