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Re: Guile 3 and wip-elisp/Emacs

From: Robin Templeton
Subject: Re: Guile 3 and wip-elisp/Emacs
Date: Wed, 20 Oct 2021 07:59:17 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)

"Dr. Arne Babenhauserheide" <> writes:

> The workload to finish this is considerable, though: IIRC You’ll need to
> solve some deeper problems that prevent Guile Emacs from using
> byte-compiled files (that’s why it currently has a very high startup
> time).

To clarify, Guile-Emacs intentionally ditches the existing Emacs
bytecode compiler entirely (though it'd probably be possible to emulate
the bytecode interpreter to allow loading old '.elc' files). I haven't
followed Guile development closely enough to know whether these are
practical solutions, but my main ideas for improving startup speed were
to either add some form of AOT compilation to Guile, or to rely on
cached JIT-compiled code. IIRC Emacs now uses a portable dumper (rather
than the old system which dumped a running Emacs instance to an
executable), which seems analogous to the latter approach.

> That said, there is a guile-emacs package in guix, and Guile 3.0.7 is
> much faster than Guile 2.
> (please someone correct me if I’m wrong!)
> Best wishes,
> Arne


<Robert> But speaking of programming, I was dreaming that I had some
coding problem and suddenly robin walked by, so I asked what the common
lisp way of solving it would be.

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