GNU bug report logs - #50384
[PATCH] Optimise search-patch (reducing I/O)

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Message #53 received at 50384 <at> debbugs.gnu.org (full text, mbox):

From: zimoun <zimon.toutoune <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: Maxime Devos <maximedevos <at> telenet.be>, 50384 <at> debbugs.gnu.org
Subject: Re: bug#50384: [PATCH] Optimise search-patch (reducing I/O)
Date: Mon, 04 Oct 2021 18:46:24 +0200

Hi,

On Mon, 27 Sep 2021 at 18:17, Ludovic Courtès <ludo <at> gnu.org> wrote:

> Rough design sketch:
>
> The idea I have in mind would be to have <package> be a sub-record-type
> of <proto-package>, where <proto-package> would contain only the
> metadata currently provided by ‘fold-available-packages’ (mainly: name,
> version, module/variable).
>
> <proto-package> would have a gexp compiler that looks up the
> package/derivation mapping in ~/.cache/guix and either return it
> directly (cache hit) or look up the corresponding <package>, do all the
> work, and add an entry in the cache (cache miss).

In this rough design sketch, would this <proto-package> help for
improving the situation of "guix search"?  Well, could this cache help
at more place than search-patch?

Cheers,
simon

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