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From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
To: Tim Baumgard <timbaumgard@me.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: Bug: Org Table Performance Issue/Regression
Date: Tue, 26 Jun 2018 11:58:53 +0200	[thread overview]
Message-ID: <87lgb1swbm.fsf@nicolasgoaziou.fr> (raw)
In-Reply-To: <B0B058F8-DF8E-4FD4-ADA0-312256298781@me.com> (Tim Baumgard's message of "Sun, 10 Jun 2018 14:04:08 -0500")

Hello,

Tim Baumgard <timbaumgard@me.com> writes:

> I recently updated Emacs from 25.3 (Org mode v. 8.2.10) to 26.1 (Org mode
> v. 9.1.9) and noticed a performance issue/regression in one of my Org files that
> contains a table that currently has nine columns, around 1,200 rows, and uses
> formulas. In 25.3, I could create a new row or use org-table-copy-down without
> issues. In 26.1, there’s a multi-second delay each time I try to do either of
> these things. As mentioned below, this issue also occurs in the latest commits
> to both Emacs and Org mode.
>
> I did some profiling and found that garbage-collect was being called quite a
> bit. I set gc-cons-threshold in both versions to a large value to effectively
> disable garbage collection and noticed two things: 1) it largely fixed the
> performance issues—though performance still wasn’t as good as it was in 25.3—and
> 2) Emacs/Org mode was using about four times as much memory as it did after
> creating a new row and doing calling org-table-copy-down three
> times. Specifically, Emacs 25.3 was using a little under 200 MB and Emacs 26.3
> was using a around 800 MB.

Could you send the result of your profiling (using both Elp and
profiler would be nice) on an uncompiled Org?

Thank you.

Regards,

-- 
Nicolas Goaziou

next prev parent reply	other threads:[~2018-06-26  9:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-10 19:04 Bug: Org Table Performance Issue/Regression Tim Baumgard
2018-06-26  9:58 ` Nicolas Goaziou [this message]
2018-07-16  2:47   ` Tim Baumgard
2018-09-03  7:59     ` Nicolas Goaziou
2018-11-02 18:02       ` Tim Baumgard

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