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From: "Ludovic Courtès" <ludo@gnu.org>
To: Mathieu Othacehe <m.othacehe@gmail.com>
Cc: guix-devel@gnu.org
Subject: Re: Image generation
Date: Tue, 28 Apr 2020 23:01:04 +0200	[thread overview]
Message-ID: <877dxztje7.fsf@gnu.org> (raw)
In-Reply-To: <87lfml1bei.fsf@gmail.com> (Mathieu Othacehe's message of "Fri, 24 Apr 2020 11:27:33 +0200")

Hi!

Mathieu Othacehe <m.othacehe@gmail.com> skribis:

> This command:
>
> guix system disk-image --file-system-type=iso9660 gnu/system/examples/bare-bones.tmpl
>
> takes,
>
> * Without zisofs compression, on host: 4min
> * With zisofs compression, on host: 8min
> * With zisofs, on VM: 19min (master)

Nice!

> This makes me think that we may want to make iso compression optional,
> so that tests can use uncompressed iso that takes more space but are
> faster to produce.
>
> It seems that there are also some alternatives to xorriso such as
> genisoimage (used by genimage).

To me it’s really Xorriso that’s terribly slow, much slower than what
‘guix system disk-image’ does for ext4 on master.

Ludo’.

  reply	other threads:[~2020-04-28 21:03 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-21 18:59 Image generation Mathieu Othacehe
2020-04-21 19:16 ` Leo Famulari
2020-04-24  9:31   ` Mathieu Othacehe
2020-04-28 21:15     ` Ludovic Courtès
2020-04-24  9:27 ` Mathieu Othacehe
2020-04-28 21:01   ` Ludovic Courtès [this message]
2020-04-28 21:10 ` Ludovic Courtès

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