[Libreoffice-bugs] [Bug 118952] New: Adding or removing paragraph before images of a copy of the document is rather slow and CPU hogging

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=118952

            Bug ID: 118952
           Summary: Adding or removing paragraph before images of a copy
                    of the document is rather slow and CPU hogging
           Product: LibreOffice
           Version: 4.2.0.4 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: telesto at surfxs.nl

Description:
The issue is probably already known (bug 112568). However, there is an
particular difference when doing the same steps for a copy of the document &
the original in older versions. Maybe worth some (bibisect) investigation 

Steps to Reproduce:
1. Open attachment 143782
2. Add new paragraphs before the table (and row them) (monitor CPU usage) ->
high usage (even with 3.5.7.2)
3. CTRL+A & CTRL+C & paste into a new document & repeat step 2.  -> CPU hogging
with 4.2 and up & but fine with 4.0

Actual Results:
Adding new paragraphs for a copy of the document is slow and CPU hogging in 4.2
and up but not in 4.0 or 3.5.7.2

Expected Results:
Behavior like 4.0 (when working with copy of the document)


Reproducible: Always


User Profile Reset: No



Additional Info:
Found in
Version: 6.2.0.0.alpha0+
Build ID: fa881095bc62c3646406c82a98d8503377288a54
CPU threads: 4; OS: Windows 6.3; UI render: default; 
TinderBox: Win-x86 at 42, Branch:master, Time: 2018-07-22_03:27:00
Locale: nl-NL (nl_NL); Calc: CL

and in 4.2

but not in
Versie 4.0.0.3 (Bouw-id: 7545bee9c2a0782548772a21bc84a9dcc583b89)

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