gediz xeon 2683v3 on QEMU VM w/o pt KVM testing on Ubuntu 18.04 via the Phoronix Test Suite. 2 x Intel Core: Processor: 2 x Intel Core (Haswell no TSX IBRS) (28 Cores / 56 Threads), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (1.10.2-1ubuntu1 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 61440MB, Disk: 40GB, Graphics: llvmpipe 60GB, Audio: QEMU Generic, Network: Red Hat Virtio device OS: Ubuntu 18.04, Kernel: 5.0.0-32-generic (x86_64), Desktop: GNOME Shell 3.28.4, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 3.3 Mesa 18.2.2 (LLVM 7.0 256 bits), Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM POV-Ray 3.7.0.7 Trace Time Seconds < Lower Is Better 2 x Intel Core . 28.92 |=======================================================