Created attachment 103973 [details]
A presentation with 200 pages and multiple simple figures
If you load a presentation with 200 pages and multiple simple figures the response is very slow. If you disconnect autospellscheck the response is good enough.
In Mac the problem is worst, because you can not deactivate autospellscheck due to the extremly slow responsive.
Steps to reproduce:
1. Load the attached document.
2. Try to edit the texts or try to change to other slide.
3. Disconnect autospellscheck and try again.
Very different speed with autospellscheck (very slow) and without it (normal).
Same speed with autospellscheck and without it.
Operating System: Ubuntu
Version: 126.96.36.199 release
Reproducible with LibreOffice 188.8.131.52.0+ build at home under Ubuntu 14.04 x86-64.
I am using this Spanish dictionary: http://extensions.libreoffice.org/extension-center/spanish-dictionaries/pscreleasefolder.2012-04-18.1033472248/0.7/espana
Best regards. JBF
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The bug is still present in Libreoffice 5.0 and 5.1 on Linux.
Same problem with the current master.
That said, did you try with a presentation in which the option "Autofit Text" is off (right-click menu of the text bloc) ? No clue both are linked, but who know?
Computing the correct font size each time you edit a text bloc takes time.
Best regards. JBF
I think that autofit is not linked to the problem.
I think that the problem is linked to lots of graphics objects and tables with syntax errors.
In the presentation that I attached there are a many circles (nodes) and cells in tables with sentences like "KNN".
I think that the problem would be solved if libreoffice doesn't analyse the syntax in slides that are not visible.
*** Bug 93873 has been marked as a duplicate of this bug. ***
The problem persists in LibreOffice 6
No repro with
Build ID: dd4f1b1bd31daf080dc0420524712dc244e539b5
CPU threads: 4; OS: Windows 6.3; UI render: GL;
TinderBox: Win-x86@42, Branch:master, Time: 2018-03-20_23:26:38
Locale: en-US (nl_NL); Calc: CL
In Windows, I couldn't load this file with previous x86 LO, but I can with 5.3.8 and it's slow there. So I set OS to "All"
But master x86 and x64, after somewhat slow load, no repro, scroll fine, both Win and Lin. Looks like a recent improvement.
@Jose: please test with master 6.1 daily, https://dev-builds.libreoffice.org/daily/master/ or https://libreoffice.soluzioniopen.com/.
If repro again, please set back to New and explain.
It's seems resolved in 6.1 :-)