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2025-04-14 19:42
A few days ago, I wrote about various compression algorithms and how they perform. Today, I am looking further into the 19 different compression levels available in zstd. I ran the experiment in exactly the same way, using the same cpio archive and the same computer.
zstd has 19 different compression levels, and in the experiment detailed below they are named “zstd-1”, “zstd-2”, etc. up to “zstd-19”. For purposes of comparison, I have included results from gzip, bzip2 and xz from last time.
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2025-03-24 10:49
Today I tested out various compression programs that are available on macOS/Linux.
The compression programs used TL;DR: Never mind, take me to Results!
GNU gzip GNU Gzip is the most used and loved compression program in the Linux/macOS world. Originally written by Jean-loup Gailly and Mark Adler for the GNU project. It has been the standard compression program used for many years in the open source community, and is a well established standard, not least for tar.
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