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Re: [libreoffice-users] Libreoffice multiple cores - problem
- Subject: Re: [libreoffice-users] Libreoffice multiple cores - problem
- From: Adam Tauno Williams <email@example.com>
- Date: Mon, 27 May 2013 09:04:27 -0400
- To: firstname.lastname@example.org
On Sun, 2013-05-26 at 12:40 +0400, Rinat Camalov wrote:
> I use libreoffice over 1 year, but now I have one problem.
> Libreoffice is uses only one core from CPU, even if i have 6 cores it
> uses only one. On my laptop it slows down documents opening,
> especially *.ods documents.
> How can i make him use all CPU cores?
I believe the use of only one core is 'normal', Open/LibreOffice
appears to be a single process/thread. I use an 8-core i7 workstation
[openSUSE 12.3/GNOME3.8] and opening my primary ODM [OpenOffice Master
Document] pegs one core briefly at 100% while the other cores take the
stray maintenance tasks [like zeitgeist,etc.. that get pinged whenever
something, like opening a LibreOffice file, happns]. While the
application is unresponsive for a moment it opens rather quickly [given
The spreadsheet in question matters [if it is very complicated, contains
nested formulas, has large images], as does your settings. Getting more
cores probably is not the most effective way to more responsive
performance. It is more likely a memory or I/O issue.
If you have a class-10 SD card, if you copy the file to there, and open
it [after rebooting], is it faster to open? If so then it is an I/O
issue. If you open LibreOffice [not the file, just Libreoffice] and
then exit LibreOffice, and then open the file is it faster? If so then
it is the load time for LibreOffice and all its dependencies [many of
which will now be cached] and you should enable a preloaded or
LibreOffice quickstart to have that done ahead of time. How long does
openning LibreOffice and creating a new document take compared to
opening your ODS?
When opening your ODS does it spend a lot of time at a particular phase
- "adapting row height" for example?
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|[libreoffice-users] Libreoffice multiple cores - problem||Rinat Camalov <firstname.lastname@example.org>|
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