From: York Zhao <gtdplatform@gmail.com>
To: Charles Millar <millarc@verizon.net>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: Extremely slow org-table operations
Date: Thu, 30 Oct 2014 10:38:40 -0400 [thread overview]
Message-ID: <CAD3zm2253dO-5VVZtwpxuHQQMMd0ocLJNztYgr-sN=g97f4bUw@mail.gmail.com> (raw)
In-Reply-To: <54517AE2.8060907@verizon.net>
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@Charlie Millar:
> IIRC Carsten Dominik made the following observation: org tables are
extremely
> slow if they are used as workbooks/spreadsheets and there are many entries
> (many is undefined).
Thanks for the information, could you please clarify what "entry" means?
Does it
mean org headline, or a row in an org-table?
> I learned that the hard way when I had one table - four columns, three
simple
> addition formulas with about 1,000 entries. It seemed an eternity before
the
> addition was completed.
I guess the "entries" here mean the table rows right? Please confirm.
York
On Wed, Oct 29, 2014 at 7:40 PM, Charles Millar <millarc@verizon.net> wrote:
> Hi,
>
>
> York Zhao wrote:
>
>> I think Org 8.3 should improve the situation. Please test it if you can.
>>>
>> I was aware that my "emacs -Q" test was done against org-mode version
>> 8.2.x.
>> However, I use the latest org-mode from Git everyday. For example, the
>> version
>> I'm currently using is (from M-x org-version): "Org-mode version 8.3beta
>> (release_8.3beta-509-g86ec0a.dirty @ /usr/local/share/emacs/site-lisp/org/)".
>> So
>> apparently the problem had never been addressed.
>>
>> Meanwhile, I suggest to insert some subsections in your file.
>>>
>> What do you mean by "insert some subsections"?
>>
>>
>> Thanks
>>
>>
>> On Wed, Oct 29, 2014 at 5:43 AM, Nicolas Goaziou <mail@nicolasgoaziou.fr>
>> wrote:
>>
>>> Hello,
>>>
>>> York Zhao <gtdplatform@gmail.com> writes:
>>>
>>> A few months ago I tried Emacs 24.4 and was disappointed because almost
>>>> all of
>>>> the org-table operations became AT LEAST ten times slower. Because
>>>> recently
>>>> Emacs 24.4 gets officially released, I finally switched over. However,
>>>> the
>>>> problems I had several months ago were still there, i.e., in a big file,
>>>> org-table operations are at least ten times slower. I tried profiling
>>>> it but
>>>> didn't help much. So I decided to report the issue here.
>>>>
>>> [...]
>>>
>>> In summery, the file "test.org" has more than 5000 org-table tables,
>>>> each table
>>>> has a formula. If you move the point to the tables not too far away
>>>> from the
>>>> beginning of the buffer and press "C-c C-c" on the formula line, you
>>>> will notice
>>>> that the speed is very fast which is great. However, if you move the
>>>> point far
>>>> away enough from the beginning of the buffer (move to the end for
>>>> example), you
>>>> will find that "C-c C-c" on the formula line becomes much slower.
>>>>
>>>> Many other operations are also very slow. However, because I haven't
>>>> been able
>>>> to create the ECMs for those operations yet, lets focus on this one
>>>> first.
>>>>
>>> I think Org 8.3 should improve the situation. Please test it if you can.
>>> Meanwhile, I suggest to insert some subsections in your file.
>>>
>>>
>>> Regards,
>>>
>>> --
>>> Nicolas Goaziou
>>>
>>
>> IIRC Carsten Dominik made the following observation: org tables are
> extremely slow if they are used as workbooks/spreadsheets and there are
> many entries (many is undefined). He recommended that a spreadsheet program
> in such situations.
>
> I learned that the hard way when I had one table - four columns, three
> simple addition formulas with about 1,000 entries. It seemed an eternity
> before the addition was completed.
>
> Charlie Millar
>
>
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next prev parent reply other threads:[~2014-10-31 15:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-29 3:00 Extremely slow org-table operations York Zhao
2014-10-29 9:43 ` Nicolas Goaziou
2014-10-29 23:22 ` York Zhao
2014-10-29 23:40 ` Charles Millar
2014-10-30 6:47 ` Michael Brand
2014-10-30 12:39 ` Charles Millar
2014-10-30 15:13 ` Fwd: " Charles Millar
2014-10-30 19:19 ` Charles Millar
2014-10-30 15:54 ` Nicolas Goaziou
2014-10-30 20:07 ` Charles Millar
2014-10-30 14:38 ` York Zhao [this message]
2014-10-31 19:12 ` Charles Millar
2014-11-08 15:25 ` York Zhao
2014-11-08 20:34 ` Nicolas Goaziou
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