Bug 122969

Summary:	Choppy zooming in & out in a document with lots of comments
Product:	LibreOffice	Reporter:	Telesto <telesto>
Component:	Writer	Assignee:	Not Assigned <libreoffice-bugs>
Status:	RESOLVED DUPLICATE
Severity:	normal	CC:	ilmari.lauhakangas
Priority:	medium	Keywords:	bibisectRequest, haveBacktrace, perf, regression
Version:	4.3.7.2 release
Hardware:	All
OS:	All
See Also:	https://bugs.documentfoundation.org/show_bug.cgi?id=92011 https://bugs.documentfoundation.org/show_bug.cgi?id=119485 https://bugs.documentfoundation.org/show_bug.cgi?id=122971
Whiteboard:
Crash report or crash signature:		Regression By:
Bug Depends on:
Bug Blocks:	106179, 107923
Attachments:	Example file Callgrind output from master

Description Telesto 2019-01-25 14:19:33 UTC

Description:
Sluggish zooming in & out. Bug docu

Steps to Reproduce:
1. Open the attached file
2. Go to single page view
3. CTRL+Scroll wheel

Actual Results:
Choppy experience (with lots of delays)

Expected Results:
Relative smooth experience


Reproducible: Always


User Profile Reset: No



Additional Info:
Found in
Version: 6.3.0.0.alpha0+
Build ID: 6740443311268b7d918bf4f43134d64fb78a0109
CPU threads: 4; OS: Windows 6.3; UI render: default; VCL: win; 
TinderBox: Win-x86@42, Branch:master, Time: 2019-01-15_23:37:04
Locale: nl-NL (nl_NL); UI-Language: en-US
Calc: CL

and in
Version: 4.3.7.2
Build ID: 8a35821d8636a03b8bf4e15b48f59794652c68ba

No repro with
Versie: 4.2.0.4 
Build ID: 05dceb5d363845f2cf968344d7adab8dcfb2ba71

Comment 1 Telesto 2019-01-25 14:19:53 UTC

Created attachment 148658 [details]
Example file

Comment 2 Durgapriyanka 2019-01-25 18:44:07 UTC

Thank you for reporting the bug. I confirm the bug in

Version: 6.3.0.0.alpha0+
Build ID: 3c964980da07892a02d5ac721d80558c459532d0
CPU threads: 2; OS: Windows 6.1; UI render: default; VCL: win; 
TinderBox: Win-x86@42, Branch:master, Time: 2018-12-12_02:07:45
Locale: en-US (en_US); UI-Language: en-US
Calc: threaded 

and in

Version: 6.1.3.2
Build ID: 86daf60bf00efa86ad547e59e09d6bb77c699acb
CPU threads: 2; OS: Windows 6.1; UI render: default; 
Locale: en-US (en_US); Calc: group threaded

Comment 3 Buovjaga 2019-02-03 14:31:29 UTC

Tried on Linux, but it is choppy in 43max, 42max, 41max, the oldest of 43all...

Comment 4 Telesto 2019-02-03 15:13:25 UTC

So more a profiling type of bug

Comment 5 Buovjaga 2019-02-03 16:06:37 UTC

Created attachment 148872 [details]
Callgrind output from master

Seemed to be impossible to combine tracing + scrolling zoom, so I zoomed with the bottom bar slider. Seems to be slow either way.

Arch Linux 64-bit
Version: 6.3.0.0.alpha0+
Build ID: 8fbad2f600cd3ab81e7c1da0e4a2a71ebcac0553
CPU threads: 8; OS: Linux 4.20; UI render: default; VCL: gtk3; 
Locale: fi-FI (fi_FI.UTF-8); UI-Language: en-US
Calc: threaded
Built on 31 January 2019

Comment 6 Buovjaga 2019-02-15 11:44:43 UTC


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