https://bugs.freedesktop.org/show_bug.cgi?id=54638
Bug #: 54638
Summary: too slow LibreOffice 3.6.* Calc, when bigger file,
only one CPU core is in use
Classification: Unclassified
Product: LibreOffice
Version: 3.6.1.2 release
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: UNCONFIRMED
Severity: major
Priority: medium
Component: Spreadsheet
AssignedTo: libreoffice-bugs@lists.freedesktop.org
ReportedBy: dv.underwo...@gmail.com
Hi,
I updated to the recent LO 3.6.1 on my distro Arch Linux, and have noticed,
that the Calc is quite slow ever since when manipulating with bigger data file.
I have by e.g. about 5MB large ODS spreadsheet, in which I store various data.
Before on LO 3.5.* , it worked fast.
Now, it takes minutes to load or save the file at change. And I'm updating the
file quite often per day.
When I was searching for an root cause, I've noticed, that only one CPU core is
being in use by CPU process when loading/saving.
I believe, this migt be it, as I have laptop with 4 core CPU (i5) , and
htop/top revealed only one working on 100% at the process of load/save.
I've tested it also on one another separate arch virtual pc, having only two
CPU cores, and htop/top again revealed only one CPU core in use at 100%.
As might be seen in here: https://bbs.archlinux.org/viewtopic.php?id=148492 ,
I'm not the only person affected.
I've also found this problem on the Ubuntu distro:
https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1034999
Furthermore, I'm not sure, whether this problem is present on Linux systems
only, as I haven't tested it yet at other systems like Windows, but it it
possible, that it might be related to other OS's as well.
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