[Libreoffice-bugs] [Bug 109269] New: very slow loading of dictionary word list

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=109269

            Bug ID: 109269
           Summary: very slow loading of dictionary word list
           Product: LibreOffice
           Version: 6.0.0.0.alpha0+ Master
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Linguistic
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: barta at quipo.it

Created attachment 134780
  --> https://bugs.documentfoundation.org/attachment.cgi?id=134780&action=edit
put this file in the "wordbook" subfolder of the user profile

loading the word list of a "user-defined dictionary" has always been quite slow
since OOo era. 

considering the small size and limited amout of data in those dictionary files,
it looks to me the LibO is underperforming and needs improvement.

this issue is noticeable when you deal with relatively large files like the one
I attached (so you need that one to retest).

STEPS TO REPRODUCE
1- put the attached "standard.dic" under the "wordbook" subfolder of your user
profile
2- open a Writer document
3- click on "Tools/Options/Language Settings/Writing Aids"
4- select "standard" in the "User-defined dictionaries" field and click "Edit…"
5- measure the time needed to display the word list

EXPECTED BEHAVIOUR
the word list should be displayed immediately of just in a few seconds

CURRENT BEHAVIOUR
LibO hangs and takes 13 seconds to display the whole list.

TESTED UNDER:
Windows XP 32bit, 7 64bit and 8.1 64 bit.

reproducible with old OOo releases and Libo since 3.3.0 till current 5.3.4.2
and recent 6.0.0.0 alpha daily builds.

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