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Re: [O] speeding up Babel Gnuplot

From: Thierry Banel
Subject: Re: [O] speeding up Babel Gnuplot
Date: Thu, 05 Jan 2017 21:23:30 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0

Le 05/01/2017 00:15, Charles C. Berry a écrit :
> On Wed, 4 Jan 2017, Achim Gratz wrote:
> I'm late to this party, but AFAICS input vars are processed just once.
> Running this:
> #+BEGIN_SRC emacs-lisp :var a=(setq runvar (+ 1 runvar))
> a
> increments runvar by one each time it is run.
> So this seems not to be a general babel issue.
> ??
> Chuck

This is a Babel Gnuplot issue, not a Babel Core one.

My findings:
1- Babel Gnuplot generates two temporary files with identical content.
2- This consumes most of the time for large Org tables.
3- This is a Babel Gnuplot issue (only).
4- Babel Core put constraints on the parameters of functions
(xxx:gnuplot) (which is fine).

To bypass the second file generation under those constraints I have
found no other way than a temporary cache.

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