Bug 104295 - Impress edition is very slow outline view
Summary: Impress edition is very slow outline view
Status: RESOLVED WORKSFORME
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Impress (show other bugs)
Version:
(earliest affected)
5.1.6.2 release
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: Not Assigned
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-11-30 21:17 UTC by Lawrence Philippe
Modified: 2021-03-27 15:04 UTC (History)
4 users (show)

See Also:
Crash report or crash signature:


Attachments
test case (608.93 KB, application/vnd.oasis.opendocument.presentation)
2016-12-02 20:59 UTC, Lawrence Philippe
Details

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Description Lawrence Philippe 2016-11-30 21:17:58 UTC
impress is very slow in view / outline mode. It takes several seconds when i write text or delete it. Window is freezed during this delay.
Comment 1 Buovjaga 2016-12-02 09:15:15 UTC
Does this happen with a blank file or some specific file?
Please also try with version 5.2.

Set to NEEDINFO.
Change back to UNCONFIRMED, if the problem persists. Change to RESOLVED WORKSFORME, if the problem went away.
Comment 2 Lawrence Philippe 2016-12-02 20:59:07 UTC
Created attachment 129261 [details]
test case

I don't know exactly what is the problem with the attached file . It is
very slow in outline mode. Maybe the problem comes from the midnightblue
slide master.
With blank file it works fine.
Comment 3 Lawrence Philippe 2016-12-02 21:00:21 UTC Comment hidden (obsolete)
Comment 4 Buovjaga 2016-12-03 19:19:29 UTC
(In reply to Lawrence Philippe from comment #2)
> Created attachment 129261 [details]
> test case
> 
> I don't know exactly what is the problem with the attached file . It is
> very slow in outline mode. Maybe the problem comes from the midnightblue
> slide master.
> With blank file it works fine.

No delay for me when editing in outline view. Please try with 5.2.

Set to NEEDINFO.
Change back to UNCONFIRMED, if the problem persists. Change to RESOLVED WORKSFORME, if the problem went away.

Arch Linux 64-bit, KDE Plasma 5
Version: 5.2.3.3
Build ID: 5.2.3-1
CPU Threads: 8; OS Version: Linux 4.8; UI Render: default; 
Locale: fi-FI (fi_FI.UTF-8); Calc: group

Arch Linux 64-bit, KDE Plasma 5
Version: 5.4.0.0.alpha0+
Build ID: 8a238809ba861c810304354f01a5504d43111399
CPU Threads: 8; OS Version: Linux 4.8; UI Render: default; VCL: kde4; 
Locale: fi-FI (fi_FI.UTF-8); Calc: group
Built on December 2nd 2016
Comment 5 Lawrence Philippe 2016-12-04 07:20:39 UTC
I just install fedora 25 to have libreoffice 5.2. Same issue. I test the test case on ubuntu : same issue.
In outline mode only, when i write texts without stopping editing text, text doesn't appear on screen. When i stop editing, text appears about 5 seconds or more after i stop writing! (depending on how many characters i wrote without stopping typing text).
Comment 6 Buovjaga 2016-12-04 09:34:41 UTC
To be sure, I tested also by launching with
SAL_USE_VCLPLUGIN=gtk3 libreoffice
and still no problem.
Comment 7 Carlos 2017-03-29 19:07:41 UTC
Thank you for reporting the bug. I can confirm that the bug is present in
Version: 5.3.1.2 (x64)
Build ID: e80a0e0fd1875e1696614d24c32df0f95f03deb2
CPU Threads: 4; OS Version: Windows 6.19; UI Render: default; Layout Engine: new; 
Locale: en-US (en_US); Calc: group
Comment 8 Lawrence Philippe 2017-03-29 19:17:57 UTC
I confirm that the reported bug is still present for me
Version: 5.2.6.2
Build ID: 5.2.6.2-4.fc25
Threads CPU : 2; Version de l'OS :Linux 4.9; UI Render : par défaut; VCL : gtk3; 
Locale : fr-FR (fr_FR.UTF-8); Calc: group
Comment 9 Telesto 2018-03-24 15:48:22 UTC
No repro on Windows
Version: 6.1.0.0.alpha0+
Build ID: dd4f1b1bd31daf080dc0420524712dc244e539b5
CPU threads: 4; OS: Windows 6.3; UI render: default; 
TinderBox: Win-x86@42, Branch:master, Time: 2018-03-20_23:26:38
Locale: en-US (nl_NL); Calc: CL

Wild guess: bug 94184
Comment 10 Buovjaga 2018-03-24 16:16:47 UTC
Lawrence, Carlos: please test with LibreOffice 6.x
Comment 11 QA Administrators 2019-03-25 03:44:33 UTC Comment hidden (obsolete)
Comment 12 QA Administrators 2021-03-25 04:25:29 UTC Comment hidden (obsolete)
Comment 13 sbub 2021-03-27 10:49:43 UTC
I experience this laggy performance in most recent Impress, as well.

As observed here: https://ask.libreoffice.org/en/question/261988/libreoffice-calc-70-very-slow/

I can confirm that the delay is related to Open Document formats only. Here are the repro steps for a simple presentation without heavy content (no images, just headlines):

1. Create a new Impress presentation
2. Add slides
3. Store as *.odp
4. Navigate through slides (e.g. via Page-Keys) -> delay between slides changes around 2-3 seconds
5. Save the presentation as *.pptx
6. Navigate through slides -> no noticeable delay

The application seems to be a bit more responsive when changing through slides in the "Notes" view, but lacks massively in "Normal" and Presentation Mode (F5).

Files are local (SSD), no network involved running LibreOffice:

Version: 7.1.1.2 / LibreOffice Community
Build ID: 10(Build:2)
CPU threads: 4; OS: Linux 5.10; UI render: default; VCL: gtk3
Locale: de-DE (de_DE.UTF8); UI: de-DE
7.1.1-1
Calc: threaded


Regards,
sbub
Comment 14 Lawrence Philippe 2021-03-27 12:20:35 UTC
it works now for me on ubuntu.
Regards
Comment 15 Buovjaga 2021-03-27 12:39:06 UTC
(In reply to Lawrence Philippe from comment #14)
> it works now for me on ubuntu.
> Regards

Nice to hear, let's close.

Sbub: please create a new report for your issue and add me to the Cc
Comment 16 sbub 2021-03-27 14:27:06 UTC
added the bug information at https://bugs.documentfoundation.org/show_bug.cgi?id=141286