Hi,
Lars-Dominik Braun <l...@leibniz-psychology.org> skribis:
> grafting is still a performance issue imo. Compare for example:
Agreed. The fix in 58bb833365db4e8934a386497d5b00a063cfd27d is
incomplete: we’re still potentially doing things several times.
> $ time guix environment --ad-hoc --search-paths r-learnr
> guix environment --ad-hoc --search-paths r-learnr 5,90s user 0,09s system
> 210% cpu 2,844 total
> $ time guix environment --ad-hoc --search-paths r-learnr --no-grafts
> guix environment --ad-hoc --search-paths r-learnr --no-grafts 2,03s user
> 0,08s system 164% cpu 1,277 total
Here’s what I get over a local socket:
--8<---------------cut here---------------start------------->8---
ludo@ribbon ~/src/guix$ time guix environment --ad-hoc --search-paths r-learnr
--no-grafts
export
PATH="/gnu/store/wkhd1fnmg1q30g21bfn5jprz24m041w6-profile/bin${PATH:+:}$PATH"
real 0m1.790s
user 0m1.928s
sys 0m0.102s
ludo@ribbon ~/src/guix$ time guix environment --ad-hoc --search-paths r-learnr
export
PATH="/gnu/store/pwzrpzdbli2561f2yq70kljywn93h5w6-profile/bin${PATH:+:}$PATH"
real 0m3.820s
user 0m4.954s
sys 0m0.105s
--8<---------------cut here---------------end--------------->8---
Ludo’.
