GNU bug report logs - #39258
Faster guix search using an sqlite cache

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Message #331 received at 39258 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Arun Isaac <arunisaac <at> systemreboot.net>
Cc: 39258 <at> debbugs.gnu.org
Subject: Re: [bug#39258] [PATCH 2/4] ui: Use string matching with literal
 search strings.
Date: Tue, 09 Jun 2020 10:33:04 +0200

Arun Isaac <arunisaac <at> systemreboot.net> skribis:

> * guix/scripts/package.scm (process-query): Make search query a regexp only if
> it is not a literal search string.
> * guix/ui.scm (relevance): Use string matching with literal search strings and
> regexp matching with regexp search strings.

How does this affect performance?

I would expect the regexp engine in libc to do something similar
internally, so I wonder if the extra work in Scheme pays off.

Ludo’.

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