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Re: Indexed search with grep-like output

From: Eli Zaretskii
Subject: Re: Indexed search with grep-like output
Date: Sun, 02 Jan 2011 08:53:43 -0500

> From: Lennart Borgman <address@hidden>
> Date: Sun, 2 Jan 2011 14:46:45 +0100
> Cc: address@hidden
> > Yes, I use one of the tools that builds on Lucene (see
> > http://www.methods.co.nz/docindexer/) to index MS Office documents
> > (some 17,000 of them) I have on my office machine.  It is also very
> > fast: just a few seconds to return a query.
> Is that from within Emacs or?

It doesn't matter.  Most of the time is to output a long list of
documents, i.e. I/O.

> The subprocess must be the current process when it sends the output to
> Emacs and Emacs must be the current process when it receives the
> output. So the operating system has to switch between them and as I
> understands it that operation is rather costly on w32 especially.

"Rather costly" compared to what?  I see no such issues on Windows (on
a 6-year old machine).  If they exist, they must be negligible
relative to other factors.

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