[Libreoffice-bugs] [Bug 116206] New: Calc has very high memory consumption when dealing with lots of data on multiple worksheets
bugzilla-daemon at bugs.documentfoundation.org
bugzilla-daemon at bugs.documentfoundation.org
Mon Mar 5 14:38:52 UTC 2018
https://bugs.documentfoundation.org/show_bug.cgi?id=116206
Bug ID: 116206
Summary: Calc has very high memory consumption when dealing
with lots of data on multiple worksheets
Product: LibreOffice
Version: Inherited From OOo
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: perf
Severity: normal
Priority: medium
Component: Calc
Assignee: libreoffice-bugs at lists.freedesktop.org
Reporter: kelemeng at ubuntu.com
Created attachment 140357
--> https://bugs.documentfoundation.org/attachment.cgi?id=140357&action=edit
Example file with lots of random data
LibreOffice Calc has very high memory consumption when dealing with lots of
data on multiple worksheets compared to Microsoft Excel. The result is that
Calc is unable to open more complex spreadsheets that work just fine in
Microsoft Excel on the same computer.
Steps to reproduce:
1. Create a new spreadsheet in LibreOffice Calc.
2. Add a simple function (e.g. =RAND()*1000000) to many (tens of thousands) of
cells on the first worksheet.
3. Copy the content of the first Sheet to multiple Sheets.
4. Sum the values from multiple sheets on the last sheet.
4. Save the file as XLSX.
5. Open the file in LibreOffice Calc and in Microsoft Excel.
6. Compare the memory consumption of the two applications.
Actual results:
The memory consumption of LibreOffice Calc is many times higher than the memory
consumption of Microsoft Excel. The memory consumption of Calc is even higher
when opening the XLSX file.
Expected results:
The memory consumption of LibreOffice Calc should be lower when dealing with
lots of data.
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