Bug 148586 - Slowdown cut, paste (4x), undo, cut action of a complex slide
Summary: Slowdown cut, paste (4x), undo, cut action of a complex slide
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Impress (show other bugs)
Version:
(earliest affected)
4.4.0.3 release
Hardware: All All
: medium minor
Assignee: Not Assigned
URL:
Whiteboard:
Keywords: bibisected, bisected, perf
Depends on:
Blocks: Undo-Redo
  Show dependency tree / graph
 
Reported: 2022-04-14 08:26 UTC by Telesto
Modified: 2023-01-06 13:47 UTC (History)
1 user (show)

See Also:
Crash report or crash signature:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Telesto 2022-04-14 08:26:55 UTC 
Description:
Slowdown cut, paste (4x), undo, cut action

Steps to Reproduce:
1. Open attachment 144153 [details] (bug 119254)
2. Select sheet 2
3. CTRL+X
4. CTRL+V (4x)
5. CTRL+Z (everything)
6. CTRL+X sheet 2 -> Freezing

Actual Results:
A freeze for 7 seconds or so

Expected Results:
As fast as the first cut


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 7.4.0.0.alpha0+ (x64) / LibreOffice Community
Build ID: efe854bf9b6daff3d0ecf6e3d04bd9a50bfaa3f3
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 Jumbo
Comment 1 Buovjaga 2023-01-06 13:47:50 UTC 
Bibisected with linux-44max to https://git.libreoffice.org/core/commit/7627008b0671f16cf84a3f552e3316ab8d803ebb
Clear() an SdPage while it is still an SdPage

I would not call it a regression because it makes the code safer. At least it gives a hint about what could be optimised.