From: zimoun <zimon.toutoune@gmail.com>
To: Pierre Neidhardt <mail@ambrevar.xyz>, help-guix@gnu.org
Subject: Re: Fast `guix environment --container' switch
Date: Wed, 09 Dec 2020 12:47:29 +0100 [thread overview]
Message-ID: <86czzji4ku.fsf@gmail.com> (raw)
In-Reply-To: <87lfe72qq6.fsf@ambrevar.xyz>
On Wed, 09 Dec 2020 at 11:55, Pierre Neidhardt <mail@ambrevar.xyz> wrote:
> `guix environment` incurs an overhead:
>
> --8<---------------cut here---------------start------------->8---
> time /gnu/store/a462kby1q51ndvxdv3b6p0rsixxrgx1h-hello-2.10/bin/hello
> Hello, world!
>
> real 0m0.002s
> user 0m0.002s
> sys 0m0.000s
> --8<---------------cut here---------------end--------------->8---
>
> --8<---------------cut here---------------start------------->8---
> $ time guix environment --ad-hoc hello -- hello
> Hello, world!
>
> real 0m0.921s
> user 0m1.003s
> sys 0m0.091s
> --8<---------------cut here---------------end--------------->8---
>
> It's possible to bypass this overhead by using --root:
It by-passes the computations of derivations and profiles. Somehow,
using --root is using a precomputed profile. IIUC.
> So is it possible to use a similar trick to run something containerized
> "instantly", i.e. with less than, say, 100ms overhead?
I see, you would like to be able to run a profile in container, right?
Somehow, it is similar to the wanted [1], IIUC.
1: <https://yhetil.org/guix-devel/877dvn10ro.fsf@dustycloud.org>
Cheers,
simon
next prev parent reply other threads:[~2020-12-09 11:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-09 9:40 Fast `guix environment --container' switch Pierre Neidhardt
2020-12-09 10:07 ` zimoun
2020-12-09 10:13 ` Pierre Neidhardt
2020-12-09 10:37 ` zimoun
2020-12-09 10:55 ` Pierre Neidhardt
2020-12-09 11:47 ` zimoun [this message]
2020-12-09 12:02 ` Pierre Neidhardt
2020-12-17 21:52 ` Ludovic Courtès
2020-12-29 21:47 ` Pierre Neidhardt
2021-01-05 22:50 ` Christopher Lemmer Webber
2021-01-26 10:31 ` Pierre Neidhardt
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