From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
To: Emacs Org mode mailing list <emacs-orgmode@gnu.org>
Subject: Re: working with tables can be quite painful...
Date: Sat, 17 Sep 2016 10:48:29 +0200 [thread overview]
Message-ID: <87fuoyrjxe.fsf@saiph.selenimh> (raw)
In-Reply-To: <87r38jew14.fsf@ucl.ac.uk> (Eric S. Fraga's message of "Fri, 16 Sep 2016 15:53:11 +0100")
Hello,
Eric S Fraga <e.fraga@ucl.ac.uk> writes:
> I am working with a table. It has approximately 130 rows and 20 columns
> so it's not huge but also not small. Three columns are text but the
> rest are all numbers with some degree of sparsity. Instrumenting org
> while working on this table, manipulating the entries in just one row, I
> get the following:
>
> | Function | calls | elapsed time | average time |
> |--------------------------+-------+--------------+--------------|
> | org-cycle | 20 | 41.550963140 | 2.0775481570 |
> | org-table-next-field | 20 | 41.544266727 | 2.0772133363 |
> | org-table-align | 5 | 41.470595702 | 8.2941191404 |
> | org-mode-flyspell-verify | 52 | 1.0647362189 | 0.0204756965 |
> | org-do-latex-and-related | 21 | 0.6656267140 | 0.0316965101 |
> | org-element-at-point | 125 | 0.6356939890 | 0.0050855519 |
> | org-element--parse-to | 125 | 0.6086256940 | 0.0048690055 |
> | org-element--cache-put | 1399 | 0.4963533770 | 0.0003547915 |
>
> From this, it would seem that the table align function is killing the
> performance. 8 seconds per call? On an 8 core Intel(R) Core(TM)
> i7-2760QM CPU @ 2.40GHz... so not my wee Pandora where I expect
> slowness!
>
> This is with a not quite up to date org. I'm avoiding upgrading as I am
> preparing material for teaching which starts soon and I don't want to
> run into issues due to changes in org... so I apologise if things have
> changed recently. This performance issue has existed for quite some time
> now, however.
>
> Any suggestions on speeding things up?
Could you send a profiler report so that I can get a better glimpse on
what part of `org-table-align' is lagging?
An ECM would help too.
Regards,
--
Nicolas Goaziou
next prev parent reply other threads:[~2016-09-17 8:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-16 14:53 working with tables can be quite painful Eric S Fraga
2016-09-17 8:48 ` Nicolas Goaziou [this message]
2016-09-17 15:22 ` Adam Porter
2016-09-17 15:37 ` Michael Brand
[not found] ` <9ae6591e2754413885a96e19c2455472@HE1PR01MB1898.eurprd01.prod.exchangelabs.com>
2016-09-19 8:33 ` Eric S Fraga
2016-09-19 12:58 ` Michael Welle
[not found] ` <df2f3c4ad6a34890ad82cd1d0d557003@HE1PR01MB1898.eurprd01.prod.exchangelabs.com>
2016-09-19 14:23 ` Eric S Fraga
2016-09-19 17:54 ` Michael Welle
2016-09-22 19:52 ` Nicolas Goaziou
[not found] ` <61c781eee3b64613a40a39b95bc54e63@HE1PR01MB1898.eurprd01.prod.exchangelabs.com>
2016-09-19 8:36 ` Eric S Fraga
2016-09-20 8:54 ` Jacob Nielsen
[not found] ` <b05decb709ba4f64932ba34835b08056@HE1PR01MB1898.eurprd01.prod.exchangelabs.com>
2016-09-20 9:03 ` Eric S Fraga
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