Speed tests between 1.5.7 and 1.5.8:
init.xz (aus 1.5.7)
6 minutes 42 seconds
6 minutes 42 seconds
6 minutes 43 seconds

init.xz (aus 1.5.8)
7 minutes 14 seconds
7 minutes 22 seconds
7 minutes 15 seconds

init157.xz (1.5.8)
6 minutes 44 seconds
6 minutes 50 seconds

init-1.5.8-pc0.2.89.xz (1.5.8)
7 minutes 15 seconds
7 minutes 28 seconds (p3 - 6:06)

init-1.5.7-pc0.3.13.xz (1.5.8)
7 minutes 1 second (p3 = 5:44)
6 minutes 41 seconds
6 minutes 36 seconds

init157.xz + Zstd1.4.4
6 minutes 48 seconds
6 minutes 44 seconds

init159.xz (plain 1.5.9)
7 minutes 10 seconds
7 minutes 22 seconds
7 minutes 9 seconds

init-2019.02.2.xz
6 minutes 51 seconds
6 minutes 50 seconds
6 minutes 57 seconds

init-2019.02.3.xz
6 minutes 44 seconds
6 minutes 47 seconds
6 minutes 45 seconds

init-2019.02.4.xz
6 minutes 45 seconds
6 minutes 53 seconds
6 minutes 43 seconds

init-2019.02.5.xz
6 minutes 37 seconds
6 minutes 35 seconds
6 minutes 41 seconds

init-2019.02.6.xz
6 minutes 52 seconds
6 minutes 47 seconds
6 minutes 44 seconds

init-2019.02.7.xz
6 minutes 49 seconds
6 minutes 41 seconds
6 minutes 46 seconds

init-2019.02.8.xz
6 minutes 36 seconds
6 minutes 47 seconds
6 minutes 45 seconds

init-2019.02.9.xz
6 minutes 34 seconds
6 minutes 39 seconds

init-2019.02.9.xz Increase to 256 MB
6 minutes 42 seconds
6 minutes 50 seconds
6 minutes 46 seconds

init-2019.02.9.xz flock fd3daf24bb
6 minutes 30 seconds 

init-2019.02.9.xz partclone parameters eb4224a329b3b67
7 minutes 9 seconds
7 minutes 9 seconds
7 minutes 19 seconds

init-2019.02.9-pc0.3.13.xz (still eb4224a3)
7 minutes 24 seconds
7 minutes 19 seconds

init-2019.02.9-pc0.3.13-ignore-crc.xz
6 minutes 53 seconds
6 minutes 50 seconds
7 minutes 1 second
6 minutes 56 seconds