From: zimoun <zimon.toutoune@gmail.com>
To: Pierre Neidhardt <mail@ambrevar.xyz>
Cc: Guix Devel <guix-devel@gnu.org>
Subject: Re: Inverted index to accelerate guix package search
Date: Wed, 15 Jan 2020 15:25:17 +0100 [thread overview]
Message-ID: <CAJ3okZ1FP939F8XnCUsJrNXQqLAUhe=ApqJnqW8hGqpxqxEOng@mail.gmail.com> (raw)
In-Reply-To: <875zhdw0a0.fsf@ambrevar.xyz>
Hi Pierre,
On Wed, 15 Jan 2020 at 10:12, Pierre Neidhardt <mail@ambrevar.xyz> wrote:
> > What about the "build time" size? Other said, all one needs to build
> > to have xapian, i.e., the size of the full bag: starting from the
> > bootstrap seed and having Guix+Xapian (vs. Guix alone).
>
> As shows with guix graph?
>
> This yields a small graph:
> --8<---------------cut here---------------start------------->8---
> guix graph --type=bag-emerged xapian | dot -Tpdf > dag.pdf
> --8<---------------cut here---------------end--------------->8---
>
> This yields a big graph:
> --8<---------------cut here---------------start------------->8---
> guix graph --type=bag xapian | dot -Tpdf > dag.pdf
> --8<---------------cut here---------------end--------------->8---
>
> I don't know how it compares to other packages.
I do not know neither. But I guess that Xapian does not add extra
dependencies then itself.
I do not know if this filter is correct.
--8<---------------cut here---------------start------------->8---
guixdot=/tmp/guix.dot
guix graph --type=bag guix > $guixdot
for what in `guix graph --type=bag xapian | grep '@' | cut -d'[' -f1`;
do
grep '@' $guixdot | grep $what > /dev/null
if [ $? -eq 0 ]
then
echo "OK -- $what"
else
echo "KO -- $what"
fi
done
--8<---------------cut here---------------end--------------->8---
Roughly, it compares the '/gnu/store' hashes of the nodes. And all
the nodes of Xapian are already in the graph of Guix, except Xapian
itself. So there is not extra cost (really low). I mean if I
understand well.
Well, guile-xapian bindings is the blocking point.
Any taker? ;-)
All the best,
simon
next prev parent reply other threads:[~2020-01-15 14:25 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-12 15:03 Inverted index to accelerate guix package search Arun Isaac
2020-01-13 8:48 ` Pierre Neidhardt
2020-01-13 15:08 ` Arun Isaac
2020-01-13 17:54 ` zimoun
2020-01-14 3:53 ` Bengt Richter
2020-01-14 14:21 ` Pierre Neidhardt
2020-01-14 15:27 ` Giovanni Biscuolo
2020-01-14 20:55 ` zimoun
2020-01-14 21:41 ` Pierre Neidhardt
2020-01-14 21:59 ` zimoun
2020-01-15 9:12 ` Pierre Neidhardt
2020-01-15 14:25 ` zimoun [this message]
2020-01-15 11:53 ` Giovanni Biscuolo
2020-01-15 14:49 ` zimoun
2020-01-16 19:06 ` Arun Isaac
2020-01-16 20:08 ` zimoun
2020-01-17 17:13 ` Pierre Neidhardt
2020-01-17 19:11 ` Pierre Neidhardt
2020-01-18 20:31 ` Arun Isaac
2020-01-15 5:44 ` Arun Isaac
2020-01-15 9:06 ` Pierre Neidhardt
2020-01-15 12:00 ` zimoun
2020-01-15 13:41 ` Pierre Neidhardt
2020-01-15 11:54 ` zimoun
2020-01-15 21:03 ` Ricardo Wurmus
2020-01-15 21:19 ` zimoun
2020-01-16 14:44 ` Ludovic Courtès
2020-01-16 15:04 ` zimoun
2020-01-16 19:11 ` Arun Isaac
2020-01-16 19:53 ` zimoun
2020-01-17 19:29 ` Arun Isaac
2020-01-20 19:14 ` zimoun
2020-01-20 20:42 ` Arun Isaac
2020-01-21 10:46 ` Ludovic Courtès
2020-01-23 20:49 ` Arun Isaac
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