K42.7z -

For large file sets, 7z provides multi-core compression, making it faster than many single-threaded alternatives. More details on using 7z with block devices ?

Scripts (e.g., PERL) can be written to customize compression levels based on file extensions. K42.7z

The 7z command is a powerful archiving tool that supports multi-threaded compression (LZMA2) and split archiving. Here is a write-up summarizing key technical considerations when using 7z: For large file sets, 7z provides multi-core compression,

You can skip compression while still including files by setting the compression level to 0 (store). For large file sets

Tell gzip/bzip2/7z/etc not to compress already-compressed files?