https://bugs.documentfoundation.org/show_bug.cgi?id=115810
Bug ID: 115810
Summary: A change in font size in a large document is a CPU hog
Product: LibreOffice
Version: 5.2.5.1 release
Hardware: All
OS: Windows (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
Description:
A change in font size in a large document is pretty CPU hogging. The
responsiveness - as such - is still OK. However this is 'only' a pretty plain
document. Combining this issues tracking or auto-spell and lots of comments...
and considering the Text layout performance
(https://wiki.documentfoundation.org/Development/Budget2017)
Steps to Reproduce:
1. Open Writer
2. Disable automatic spell checking
3. Open https://drive.google.com/file/d/1NPXKo2nsfn9steLOw1AuWvZxQE21wT-n (bug
115757)
4. Wait until CPU drops to near 0%
4. Select the content on page 1 and change the font size to 16
Actual Results:
A change in font size in a large document is pretty CPU hogging
Expected Results:
Maye something like 4.4.7.2..
Reproducible: Always
User Profile Reset: No
Additional Info:
Repro with
Version: 6.1.0.0.alpha0+
Build ID: b87fe45e8b087a315a65b92bf9c168b1e4c5cc00
CPU threads: 4; OS: Windows 6.3; UI render: default;
TinderBox: Win-x86@42, Branch:master, Time: 2018-02-16_23:14:35
Locale: nl-NL (nl_NL); Calc: CL
and with
Version: 5.2.5.0.0+
Build ID: 78223678b7513ffe46804cb08f2dc5bc899b2bab
CPU Threads: 4; OS Version: Windows 6.29; UI Render: default;
Locale: nl-NL (nl_NL); Calc: CL
but not with
Versie: 4.4.7.2
Build ID: f3153a8b245191196a4b6b9abd1d0da16eead600
Locale: nl_NL
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.0) Gecko/20100101
Firefox/52.0
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