[Libreoffice-bugs] [Bug 125664] New: Huge memory usage when making changes to a large Calc sheet with x64 builds

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=125664

            Bug ID: 125664
           Summary: Huge memory usage when making changes to a large Calc
                    sheet with x64 builds
           Product: LibreOffice
           Version: 6.4.0.0.alpha0+ Master
          Hardware: All
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: telesto at surfxs.nl

Description:
Huge memory usage when making changes to a large Calc sheet with x64 builds

Steps to Reproduce:
1. Open attachment 150858 [details] with and x32 and X64 build
2. Select columns ABC & Copy
3. Add a new sheet & paste (repeat 3 times)
4. Compare the memory allocation. 

5. save the file
6. Reload
7.  Compare the memory allocation. (again much more memory needed on x64)

Actual Results:
x64 uses at least double as much memory as x32. 800 <-> 1700

Expected Results:
Bit more efficient if possible


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 6.4.0.0.alpha0+ (x64)
Build ID: 95462a02a3aee1e3e7f9aa8fc50ba25fee3fa592
CPU threads: 4; OS: Windows 6.3; UI render: default; VCL: win; 
TinderBox: Win-x86_64 at 42, Branch:master, Time: 2019-06-03_07:09:38
Locale: nl-NL (nl_NL); UI-Language: en-US
Calc: CL

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