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From: Carsten Dominik <dominik@science.uva.nl>
To: Jason Jackson <jason@cvk.ca>
Cc: emacs-orgmode@gnu.org
Subject: Re: [PERF] Slow Org Agenda Custom Commands
Date: Sun, 18 Jan 2009 20:50:18 +0100	[thread overview]
Message-ID: <5804861A-7F2F-4034-B4D0-19910F6A1984@uva.nl> (raw)
In-Reply-To: <2df907590901112156t42541072j8f4501b24a4d9df6@mail.gmail.com>


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On Jan 12, 2009, at 6:56 AM, Jason Jackson wrote:

> Thank you Matthew, this improved the performance to an acceptable  
> ~half second
>
> I still wonder if multiple property searches could be optimized  
> somehow, but for my purposes I'm satisfied =)

Hi Jason,

property searches are really un-optimized in Org.  Tag searches are  
faster, but
also not well optimized.

I do have ideas how to improve the situation with some cacheing.
However, this is a case where the fact that Org-mode is using
plain text files is biting you.  It is very hard,
between two searched (the first one creating the cache,  the second
one using it), to be sure that the text base has not been modified
by hand.

I could probably create a cache and make the user responsible to
update it, but I have not made this step.

- Carsten

>
>
> For example, you can't use agenda filter commands with org-stuck- 
> project-list, thus you'd have to resort to a slow property search.  
> Some people might want to search for high priority stuck projects.  
> (I solved this by introducing different 'priority' todo states)
>
> -Jason
>
> On Mon, Jan 12, 2009 at 1:34 PM, Matthew Lundin <mdl@imapmail.org>  
> wrote:
>
> Hi Jason,
>
> "Jason Jackson" <jason@cvk.ca> writes:
>
> > I'm using the following org agenda custom command, with a  
> relatively small
> > org-mode text file, and agenda creation is taking around 3-4  
> seconds, it
> > becomes unbearably worse if I modify stuck-projects to also use  
> properties
> > searches)
> >
> > Is there anything I can change to speed up the commands execution;  
> or
> > developer changes to org-mode?
> >
> > (setq org-agenda-custom-commands
> >       '(("h" "Next Action"
> >          (
> >           (agenda ""
> >                   ((org-agenda-ndays 1)
> >                    (org-agenda-time-grid '())
> >                    (org-deadline-warning-days 5)
> >                    (org-agenda-sorting-strategy '(time-up priority- 
> down))
> >                    (org-agenda-skip-deadline-if-done t)
> >                    (org-agenda-overriding-header "Today's Agenda: ")
> >                    ))
> >           ;;;;;;; SLOW COMMAND #1
> >           (tags "@HOME-habit-__IGNORE-SCHEDULED>\"<2000-01-01>\"/ 
> TODO|BLOCKED|
> > SUBMIT"
> >                 ((org-agenda-sorting-strategy '(priority-down))
> >                  (org-agenda-overriding-header "Unscheduled Todo
> >       (@Home): ")
> >                  ))
>
> As you suggest, any searches for properties other than TODO, LEVEL,
> and CATEGORY can be quite slow.
>
> Have you considered using a todo search and then using secondary
> filtering to limit by tag. This would enable you to use either of the
> following variables:
>
> - org-agenda-todo-ignore-with-date
> - org-agenda-todo-ignore-scheduled
>
> Best,
> Matt
>
> _______________________________________________
> Emacs-orgmode mailing list
> Remember: use `Reply All' to send replies to the list.
> Emacs-orgmode@gnu.org
> http://lists.gnu.org/mailman/listinfo/emacs-orgmode


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      reply	other threads:[~2009-01-18 19:50 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-11  0:08 Jason Jackson
2009-01-12  2:34 ` Matthew Lundin
2009-01-12  5:56   ` Jason Jackson
2009-01-18 19:50     ` Carsten Dominik [this message]

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