>>>>> On Wed, 12 Oct 2022, Michał Górny wrote:

> (I mean, most of these files won't even use parallel compression
> because they're too small).

xz(1) says about the block size: "The default size is three times the
LZMA2 dictionary size or 1 MiB, whichever is more." The default (-6)
dictionary size is 8 MiB.

So IIUC only files larger than 24 MiB would be compressed in parallel?

Ulrich

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