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From: Ihor Radchenko <yantar92@posteo.net>
To: "Majzoub, Eric" <eric.majzoub@umsl.edu>
Cc: "emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>
Subject: Re: bash code block runs slow on org 9.6
Date: Sat, 10 Dec 2022 05:53:44 +0000	[thread overview]
Message-ID: <87edt7st1z.fsf@localhost> (raw)
In-Reply-To: <26e284c725a47bd44a11a12c0b61473187613bf3.camel@umsystem.edu>

"Majzoub, Eric" <eric.majzoub@umsl.edu> writes:

> I've got a code block that looks like the following.
>
> #+name: read_csv
> #+begin_src bash :results replace :exports none
>   cat ./file.csv | gawk -f ./awkfile.awk | tee .tmp1.dat;
> #+end_src
>
> This runs essentially instantaneously in org 9.5.5, but it takes much
> longer, about 2 seconds or more on org 9.6, using the first release
> version. Pre-release versions of 9.6 were even slower, so it seems it's
> improved. But still, it's a lot slower than 9.5.5. What can I do to
> diagnose the slowdown?

I partially solved the slowdown in
https://git.savannah.gnu.org/cgit/emacs/org-mode.git/commit/?id=76a725317

There is still some slowdown originated from table alignment.  We now
use a more accurate approach to calculate string width, which gives
performance penalty. If needed, table alignment might also be optimized,
but it will not be trivial.

For diagnosing slowdowns, you may refer to
https://list.orgmode.org/orgmode/87ee2nlslt.fsf@localhost/

Let me know if the latest bugfix branch gives you acceptable
performance.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>


  parent reply	other threads:[~2022-12-10  5:54 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-09 18:34 bash code block runs slow on org 9.6 Majzoub, Eric
2022-12-10  2:49 ` Max Nikulin
2022-12-10  5:53 ` Ihor Radchenko [this message]
2022-12-10 18:18   ` Majzoub, Eric

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