kvm-pbzip2 KVM testing on Ubuntu 18.04 via the Phoronix Test Suite. AMD EPYC: Processor: 2 x AMD EPYC (with IBPB) @ 2.35GHz (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 8192 MB RAM QEMU, Disk: 2GB, Graphics: Red Hat QXL paravirtual graphic card, Audio: Intel 82801FB/FBM/FR/FW/FRW, Network: Red Hat Virtio device OS: Ubuntu 18.04, Kernel: 4.15.0-171-generic (x86_64), File-System: ext4, System Layer: KVM Parallel BZIP2 Compression 1.1.13 FreeBSD-13.0-RELEASE-amd64-memstick.img Compression Seconds < Lower Is Better AMD EPYC . 54.11 |=============================================================