Как я экспериментировал со сжатием данных при помощи 7-Zip...

m (Set compression Method) switch - 7-Zip Documentation

7-Zip / Discussion / Help: LZMA2 fastest not fast enough

Multihreaded lzma2 in fastest mode probably is fasted way in 7-Zip. 7-Zip supports multithreading for lzma2 and bzip2.

7zip command line execution example, 7zip format...

7z Format

LZMA2. 7z code is a part of 7-Zip program distributed under the GNU LGPL.

Формат 7z, алгоритм сжатия LZMA и подробное описание 7-Zip...

7z format specification — py7zr – 7-zip archive library

compression - What are the best options to use when... - Super User

7-Zip SDK Download-мощная SDK для Windows 11 - Get 7-Zip SDK

batch file - 7zip Ultra LZMA2 compression - Stack Overflow

7Zip CLI Compress file with LZMA. 7Zip better strategy to compress one file in one 7z file by command line.