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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: [feature/internal-msys] thoughts of a more function windows
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Date: Tue, 26 Jan 2021 05:26:25 +0200
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To: Stefan Monnier <monnier@iro.umontreal.ca>
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In-Reply-To: <jwva6swkauv.fsf-monnier+emacs@gnu.org> (message from Stefan
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> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Mon, 25 Jan 2021 15:42:13 -0500
> Cc: ofv@wanadoo.es, Eli Zaretskii <eliz@gnu.org>,
>  Phillip Lord <phillip.lord@russet.org.uk>,
>  EMACS development team <emacs-devel@gnu.org>
> 
> > Tangent, but: you might be interested in fd-find, which is an
> > implementation of  (paraphrasing here) about 80% of find that's usually
> > several times faster.
> 
> Any hint *why* it's faster?

It uses several threads, and uses PCRE instead of fnmatch.  The latter
is a subtle difference from what Find does, and it explains the
different results of the search.