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| author | Lasse Collin <lasse.collin@tukaani.org> | 2024-01-23 18:29:28 +0200 |
|---|---|---|
| committer | Lasse Collin <lasse.collin@tukaani.org> | 2024-01-23 18:29:28 +0200 |
| commit | 6daa4d0ea46a8441f21f609149f3633158bf4704 (patch) | |
| tree | f8a3fd6fdc49b7eba8c421e3c944a02f8baaaf9c /src/liblzma/delta | |
| parent | CI: Use RISC-V filter when building with BCJ support. (diff) | |
| download | xz-6daa4d0ea46a8441f21f609149f3633158bf4704.tar.xz | |
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).
Diffstat (limited to '')
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