compresionfullcpu4 qemu testing on Debian GNU/Linux 9 via the Phoronix Test Suite. AMD EPYC 7282 16-Core: Processor: 2 x AMD EPYC 7282 16-Core @ 2.80GHz (64 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org BIOS), Chipset: Intel 440FX- 82441FX PMC, Memory: 16384 MB + 16384 MB + 16384 MB + 16384 MB + 16384 MB + 16384 MB + 16384 MB + 16384 MB + 7168 MB RAM, Disk: 34GB QEMU HDD, Graphics: bochsdrmfb, Network: Red Hat Virtio device OS: Debian GNU/Linux 9, Kernel: 4.9.0-11-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu 7-Zip Compression 16.02 Compress Speed Test MIPS > Higher Is Better AMD EPYC 7282 16-Core . 129859 |=============================================== Gzip Compression Linux Source Tree Archiving To .tar.gz Seconds < Lower Is Better AMD EPYC 7282 16-Core . 49.76 |================================================ XZ Compression 5.2.4 Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9 Seconds < Lower Is Better AMD EPYC 7282 16-Core . 32.03 |================================================ Zstd Compression 1.3.4 Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19 Seconds < Lower Is Better AMD EPYC 7282 16-Core . 13.59 |================================================