From Newsgroup: muc.lists.freebsd.stable
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278099
--- Comment #11 from Marek Zarychta <
zarychtam@plan-b.pwste.edu.pl> ---
The Zstandard compressor included in the base system still appears to be quite efficient. Using the same compression level, when part of an ISO file from an old FreeBSD release was used as a test sample, the base systemrCOs version (1.5.2) compressed the file faster than the one from /usr/local (1.5.7), though at the cost of a slightly reduced compression ratio. The tests were repeated several times and produced consistent results.
$ /usr/bin/time /usr/local/bin/zstdmt -f --long -19 plik200m.nor
plik200m.nor : 25.37% ( 200 MiB => 50.7 MiB, plik200m.nor.zst)
33,50 real 85,75 user 0,69 sys
$ ll plik200m.nor.zst
-rw-r--r-- 1 mzar wheel 53199624 7 pa+| 10:40 plik200m.nor.zst
$ /usr/bin/time /usr/bin/zstdmt -f --long -19 plik200m.nor
plik200m.nor : 25.79% ( 200 MiB => 51.6 MiB, plik200m.nor.zst)
28,80 real 77,36 user 0,64 sys
$ ll plik200m.nor.zst
-rw-r--r-- 1 mzar wheel 54075469 7 pa+| 10:40 plik200m.nor.zst
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