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From: Thierry Banel <tbanelwebmin@free.fr>
To: "emacs-orgmode@gnu.org >> Org Mode" <emacs-orgmode@gnu.org>
Subject: Re: speeding up Babel Gnuplot
Date: Mon, 02 Jan 2017 21:11:07 +0100	[thread overview]
Message-ID: <586AB3DB.6070702@free.fr> (raw)
In-Reply-To: <87d1g6qrqh.fsf@nicolasgoaziou.fr>

Le 02/01/2017 00:34, Nicolas Goaziou a écrit :
> Hello,
>
> Thierry Banel <tbanelwebmin@free.fr> writes:
>
>> 1. Temporary generated twice
>> Because org-babel-gnuplot-process-vars is called twice.
>>
>> There is no obvious fix. Here is a dirty patch. It caches the name of
>> the temporary file in the 'param' list.
> This may not be an issue if `orgtbl-to-generic' is sufficiently fast.

I will look further into that.

>> 2. Quadratic behavior
>> The spot is at ox.el::5119(the lambda in org-export-table-row-number).
>>
>> This lambda is called a number of times equal to the square of thesize
>> of the table being plotted. For a 2000 rows table, this is
>> 2000x2000 = four millions times. The cache a few lines before does
>> nothelp because each row is visited only once.
> Fixed. Thank you.
>
> I also optimized a bit more `orgtbl-to-generic'. Hopefully, Babel
> Gnuplot should be responsive again of large tables.
>
Great improvement!
So,filling the org-export-table-row-numbercache at once was the way to go.

Thanks

  reply	other threads:[~2017-01-02 20:11 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-28 20:33 speeding up Babel Gnuplot Thierry Banel
2016-12-29 20:04 ` Nicolas Goaziou
2016-12-29 20:34   ` Thierry Banel
2017-01-01 20:17 ` Thierry Banel
2017-01-01 23:34   ` Nicolas Goaziou
2017-01-02 20:11     ` Thierry Banel [this message]
2017-01-03 21:40       ` Thierry Banel
2017-01-03 21:55         ` Nicolas Goaziou
2017-01-03 23:06           ` Thierry Banel
2017-01-04 22:36             ` Nicolas Goaziou
2017-01-05 20:47               ` Thierry Banel
2017-01-06  9:41                 ` Nicolas Goaziou
2017-01-06 18:24                   ` Thierry Banel
2017-01-04 17:32         ` Achim Gratz
2017-01-04 20:29           ` Thierry Banel
2017-01-04 23:15           ` Charles C. Berry
2017-01-05 20:23             ` Thierry Banel

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