% du -b dump.sql3
61667131 dump.sql3% time pigz -3kf -p4 dump.sql3 && du -b dump.sql3.gz && time pigz -fd -p4 dump.sql3.gz
pigz -3kf -p4 dump.sql3 2,65s user 0,12s system 389% cpu 0,711 total
16663662 dump.sql3.gz
% time pigz -9kf -p4 dump.sql3 && du -b dump.sql3.gz && time pigz -fd -p4 dump.sql3.gz
pigz -9kf -p4 dump.sql3 5,71s user 0,09s system 392% cpu 1,477 total
15431456 dump.sql3.gz
% time zstd -1kf -T4 dump.sql3
dump.sql3 : 22.50% (61667131 => 13872822 bytes, dump.sql3.zst)
zstd -1kf -T4 dump.sql3 1,09s user 0,10s system 354% cpu 0,335 total
% time zstd -3kf -T4 dump.sql3
dump.sql3 : 23.58% (61667131 => 14539462 bytes, dump.sql3.zst)
% zstd -3kf -T4 dump.sql3 2,65s user 0,14s system 367% cpu 0,761 total
% du -b LucidPuppy-520.vdi
732991488 LucidPuppy-520.vdi
% time pigz -3kf -p4 LucidPuppy-520.vdi&& du -b LucidPuppy-520.vdi.gz
pigz -3kf -p4 LucidPuppy-520.vdi 30,08s user 0,95s system 390% cpu 7,954 total
234112973 LucidPuppy-520.vdi.gz
% time pigz -9kf -p4 LucidPuppy-520.vdi&& du -b LucidPuppy-520.vdi.gz
pigz -9kf -p4 LucidPuppy-520.vdi 141,35s user 0,69s system 386% cpu 36,762 total
221347175 LucidPuppy-520.vdi
% time zstd -2kf -T4 LucidPuppy-520.vdi
LucidPuppy-520.vdi : 30.28% (732991488 => 221982005 bytes, LucidPuppy-520.vdi.zst)
zstd -2kf -T4 LucidPuppy-520.vdi 9,86s user 0,81s system 371% cpu 2,874 total
% time zstd -3kf -T4 LucidPuppy-520.vdi
LucidPuppy-520.vdi : 28.86% (732991488 => 211573286 bytes, LucidPuppy-520.vdi.zst)
zstd -3kf -T4 LucidPuppy-520.vdi 20,43s user 0,90s system 379% cpu 5,613 total
% du -b Straustrup4th.pdf
10830547 Straustrup4th.pdf
% time pigz -3kf -p4 Straustrup4th.pdf && du -b Straustrup4th.pdf.gz
pigz -3kf -p4 Straustrup4th.pdf 0,70s user 0,02s system 365% cpu 0,199 total
3192908 Straustrup4th.pdf.gz
% time pigz -9kf -p4 Straustrup4th.pdf && du -b Straustrup4th.pdf.gz
pigz -9kf -p4 Straustrup4th.pdf 1,87s user 0,02s system 383% cpu 0,494 total
2796891 Straustrup4th.pdf.gz
% time zstd -1kf -T4 Straustrup4th.pdf
Straustrup4th.pdf : 28.12% (10830547 => 3045654 bytes, Straustrup4th.pdf.zst)
zstd -1kf -T4 Straustrup4th.pdf 0,22s user 0,05s system 257% cpu 0,103 total
% time zstd -3kf -T4 Straustrup4th.pdf
Straustrup4th.pdf : 26.10% (10830547 => 2827297 bytes, Straustrup4th.pdf.zst)
zstd -3kf -T4 Straustrup4th.pdf 0,31s user 0,05s system 234% cpu 0,151 total
% time zstd -6kf -T4 Straustrup4th.pdf
Straustrup4th.pdf : 24.18% (10830547 => 2619329 bytes, Straustrup4th.pdf.zst)
zstd -6kf -T4 Straustrup4th.pdf 0,54s user 0,04s system 134% cpu 0,432 total