Nate Graham 0f95c40d21 Use level -4 for our Btrfs disks' zstd compression
It's amazing! We trade off an 18% lower compression ratio for 20-31%
faster compression and 30-44% faster decompression speed and an
undetermined amount less CPU usage.

Relevant benchmarks:

https://github.com/facebook/zstd:
Algorithm  Ratio   Compr.      Decompr.
----------------------------------------
zstd:1     2.883   510 MB/s    1550 MB/s
zstd:-4    2.146   665 MB/s    2050 MB/s
LZO1X      2.106   650 MB/s     780 MB/s

https://morotti.github.io/lzbench-web:
Algorithm  Ratio   Compr.      Decompr.
----------------------------------------
zstd:1     2.886   422 MB/s    1347 MB/s
zstd:-4    2.436   459 MB/s    1717 MB/s
zstd:-5    2.055   573 MB/s    1950 MB/s
LZO1X      2.101   513 MB/s     696 MB/s

Nate's computer:
Algorithm  Ratio   Compr.      Decompr.
----------------------------------------
zstd:1     2.85    394 MB/s    1343 MB/s
zstd:-1    2.33    431 MB/s    1680 MB/s
zstd:-4    2.13    507 MB/s    1881 MB/s
zstd:-5    1.94    542 MB/s    1916 MB/s
LZO1X      2.05    468 MB/s     616 MB/s
2026-03-10 16:06:07 -06:00
2026-02-19 02:48:32 +01:00
2026-02-25 18:30:28 +00:00
2026-02-27 06:38:08 +00:00
2026-02-25 12:59:29 +00:00

This is the repository for the KDE Linux project. Please consult the wiki for further information

https://community.kde.org/KDE_Linux

For installation details see the Installation section

https://kde.org/linux/docs/install/

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