Bug 155776 - Slow scrolling, utilizing a CPU core to max
Summary: Slow scrolling, utilizing a CPU core to max
Status: RESOLVED DUPLICATE of bug 61558
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Writer (show other bugs)
Version:
(earliest affected)
7.6.0.0 alpha1+
Hardware: All All
: medium normal
Assignee: Not Assigned
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: Scrolling-PageUpDown
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Reported: 2023-06-11 13:20 UTC by Telesto
Modified: 2023-06-16 06:23 UTC (History)
1 user (show)

See Also:
Crash report or crash signature:

Attachments
Sample (481.80 KB, application/vnd.oasis.opendocument.text)
2023-06-15 12:40 UTC, Telesto 		Details
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Description Telesto 2023-06-11 13:20:58 UTC 
Description:
Slow scrolling, utilizing a CPU core to max

Steps to Reproduce:
1. Open the attached file (resave of attachment 167497 [details] without redline)
2. Open a process monitor tool (like task manager)
3. Scroll up down using the scroll wheel (or press and hold page down for say 10 seconds. And see on which page LibreOffice stops)

Slow and utilizing a core to max

Actual Results:
Slow scrolling/high CPU usage (modern hardware is likely a bit faster, so less laggy)

Expected Results:
Fast like say LibreOffice 4.4.7.2


Reproducible: Always


User Profile Reset: No

Additional Info:
Version: 7.6.0.0.alpha1+ (X86_64) / LibreOffice Community
Build ID: 389a8d52d9961f89c0b2847b30ee1ca59a8fdc80
CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: Skia/Raster; VCL: win
Locale: nl-NL (nl_NL); UI: en-US
Calc: CL threaded
Comment 1 m_a_riosv 2023-06-11 22:19:36 UTC 
Seems it has something to do with comments, maybe some of them being really large.
Comment 2 Telesto 2023-06-15 12:40:27 UTC 
Created attachment 187925 [details]
Sample
Comment 3 m_a_riosv 2023-06-15 21:15:57 UTC 
I can't appreciate such slow.
Version: 7.6.0.0.beta1 (X86_64) / LibreOffice Community
Build ID: be55b15d98c5f059483845a183fcb5ea8023d27c
CPU threads: 16; OS: Windows 10.0 Build 22621; UI render: Skia/Raster; VCL: win
Locale: es-ES (es_ES); UI: en-US Calc: CL threaded
Comment 4 Telesto 2023-06-16 06:23:12 UTC 

*** This bug has been marked as a duplicate of bug 61558 ***