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mirror of https://git.tukaani.org/xz.git synced 2025-07-05 20:06:38 +00:00
Lasse Collin 6daa4d0ea4 xz: Use threaded mode by defaut (as if --threads=0 was used).
This hopefully does more good than bad:

  + It's faster by default.

  + Only the threaded compressor creates files that
    can be decompressed in threaded mode.

  - Compression ratio is worse, usually not too much though.
    When it matters, -T1 must be used.

  - Memory usage increases.

  - Scripts that assume single-threaded mode but don't use -T1 will
    possibly use too much resources, for example, if they run
    multiple xz processes in parallel to compress multiple files.

  - Output from single-threaded and multi-threaded compressors
    differ but such changes could happen for other reasons too
    (they just haven't happened since 5.0.0).
2024-01-23 18:29:28 +02:00
..