Hello...
Parallel archiver version 4.22 is here..
Now it takes care correctly of false-sharing.
And now i have included all the licenses for LZ4 and LZMA and Zstd, they are inside the license.lz4 and license.lzma and license.zstd files.
And now it is much more stable and fast.
You can download it
https://sites.google.com/site/aminer68/parallel-archiver
Thank you,
Amine Moulay Ramdane.