2 ms·
Yeah zstd is nice on its own, but a proper dictionary will give you several times the compression ratio on top of that, plus super fast decompression. It's just
by TillE 3y ago
Yeah zstd is nice on its own, but a proper dictionary will give you several times the compression ratio on top of that, plus super fast decompression. It's just absurdly good for specialized data.
- chronogram 3y agoDo Linux distributions use a dictionary with their package manager? Since their packages are typically zstd compressed, every distro (version) release could have its own accompanying dictionary.
- vlovich123 3y agoDictionaries only help with really tiny files. > Typical gains range ~10% (at 64KB) to x5 better (at <1KB). https://www.manpagez.com/man/1/zstd/zstd-1.1.0.php https://www.manpagez.com/man/1/zstd/zstd-1.1.0.php Files distributed by distros are unlikely to have many packages < 64kib so the advantages of a dictionary rapidly diminish on this use-case.