Compression Test LFS 8.4 vs Debian 9.9 Compression Test LFS 8.4: Processor: AMD Ryzen 3 2200G (4 Cores), Motherboard: Oracle VirtualBox v1.2, Memory: 2048MB, Disk: 69GB VBOX HDD OS: Linux From Scratch 8.4, Kernel: 4.20.12 (x86_64), Compiler: GCC 8.2.0, File-System: ext4, System Layer: VirtualBox 7-Zip Compression 16.02 Compress Speed Test MIPS > Higher Is Better LFS 8.4 . 11814 |============================================================== Gzip Compression Linux Source Tree Archiving To .tar.gz Seconds < Lower Is Better LFS 8.4 . 103.97 |============================================================= XZ Compression 5.2.4 Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9 Seconds < Lower Is Better LFS 8.4 . 140.31 |============================================================= Zstd Compression 1.3.4 Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19 Seconds < Lower Is Better LFS 8.4 . 77.40 |==============================================================