Ubuntu
cryptsetup package

  1. Bug #2065180
  2. Comment #12

Comment 12 for bug 2065180

Revision history for this message
Dave Jones (waveform) wrote :

Results on a Pi 4B booting from SD card. Stock noble:

$ sudo hyperfine -r 5 "update-initramfs -u"
Benchmark 1: update-initramfs -u
  Time (mean ± σ): 189.984 s ± 1.618 s [User: 75.720 s, System: 115.323 s]
  Range (min … max): 187.319 s … 191.142 s 5 runs

Then running the branch from https://code.launchpad.net/~bdrung/ubuntu/+source/initramfs-tools/+git/initramfs-tools/+ref/ubuntu/devel :

$ sudo hyperfine -r 5 "update-initramfs -u"
Benchmark 1: update-initramfs -u
  Time (mean ± σ): 98.473 s ± 2.263 s [User: 26.061 s, System: 73.138 s]
  Range (min … max): 95.923 s … 101.560 s 5 runs

So that's a pretty substantial improvement. Still not *quite* at the mantic level, but it's in the same ball-park now, and that's not including the changes to lvm2 or cryptsetup.