https://bugs.freedesktop.org/show_bug.cgi?id=79892
Priority: medium
Bug ID: 79892
Keywords: regression
Assignee: libreoffice-bugs@lists.freedesktop.org
Summary: Performance regression for the attached from 3.6.2 to
4.0.6 and ahead, triple time to do the calculations.
Severity: normal
Classification: Unclassified
OS: Windows (All)
Reporter: mari...@miguelangel.mobi
Hardware: Other
Status: UNCONFIRMED
Version: 4.0.6.2 release
Component: Spreadsheet
Product: LibreOffice
Created attachment 100836
--> https://bugs.freedesktop.org/attachment.cgi?id=100836&action=edit
Sample file to test
Win7x64Ultimate, Intel I3(2,13), 4GB.
With sample file, calculation time:
Version 3.6.2: ~ 18"
Versions from 4.0.6 to master: ~ 56" - 59"
The file use intensively regular expressions (SUMIF),
just with 4.0, https://wiki.documentfoundation.org/ReleaseNotes/4.0
New Regular Expression Engine ICU was adopted.
Annoying, regular expressions is one of the more powerful tools in LibreOffice.
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