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Re: Changing the Emacs engine to Guile


From: Cecil Westerhof
Subject: Re: Changing the Emacs engine to Guile
Date: Wed, 08 Dec 2010 15:15:11 -0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

Op maandag 21 jun 2010 17:24 CEST schreef Cecil Westerhof:

> I read somewhere (I think this list) that there is the idea to change
> the engine from Emacs to Guile. I am afraid that this could result in a
> very big performance hit. A little script I wrote in Emacs Lisp takes 43
> seconds. When implemented in Guile it takes 102 seconds. So almost 2½
> times as long. So I was wondering: why do they want to change the Emacs
> engine?

Some other metrics:
    Common Lisp 45 seconds
    Perl        27 seconds (with a Perl optimisation)
    AWK         29 seconds
    sed        260 seconds

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof


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