[bug#43340] [PATCH 0/5] Speed up archive export/import

[Ludovic Courtès]

Ludovic Courtès <ludo@gnu.org> skribis:

> This patch series goes on top of <https://issues.guix.gnu.org/43285>.
> It addresses the performance issue described at:
>
>   https://lists.gnu.org/archive/html/guix-devel/2020-09/msg00073.html
>
> Specifically, it implements option #4 (spawning ‘guix authenticate’
> once for the whole session, instead of spawning it every time a
> store item needs to be signed or authenticated), achieving a ~15x
> speedup, which is not bad.  :-)

Below is the new Gantt chart for:

  perf timechart record guix archive --export -r $(guix build coreutils -d) -v3 
>/tmp/dump

Most of the work happens in ‘guix authenticate’.

Ludo’.