GNU bug report logs - #41702
`guix environment` performance issues

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From: Lars-Dominik Braun <ldb <at> leibniz-psychology.org>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 41702 <at> debbugs.gnu.org
Subject: bug#41702: `guix environment` performance issues
Date: Mon, 8 Jun 2020 11:04:53 +0200

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Hi Ludo,

> --8<---------------cut here---------------start------------->8---
> $ time guix environment --ad-hoc r-learnr --search-paths
> export PATH="/gnu/store/n4wxbmqpafjfyawrla8xymzzdm5hxwph-profile/bin${PATH:+:}$PATH"
> 
> real	0m11.328s
> user	0m20.155s
> sys	0m0.172s
> $ time ./pre-inst-env guix environment --ad-hoc r-learnr --search-paths
> export PATH="/gnu/store/if6z77la3mx0qdzvcyl4qv9i5cyp48i0-profile/bin${PATH:+:}$PATH"
> 
> real	0m4.602s
> user	0m6.189s
> sys	0m0.136s
> --8<---------------cut here---------------end--------------->8---
that’s awesome and brings me much closer to my goal of running all applications
inside a `guix environment` container for reproducibility. Including the
protocol fixes from #41720 I’m now down to ~30s from ~50s, which may be called
somewhat usable. Obviously I’d be very interested in further speedups.

Thanks,
Lars

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