[Libreoffice-bugs] [Bug 113158] New: LO calc scrolling slow; dragging to select cells slow, left and right arrows slow. Apache Open Office fast.

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=113158

            Bug ID: 113158
           Summary: LO calc scrolling slow; dragging to select cells slow,
                    left and right arrows slow. Apache Open Office fast.
           Product: LibreOffice
           Version: 5.4.1.2 release
          Hardware: x86-64 (AMD64)
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: simon at simonhnoble.plus.com

LO version 5.4.1.2 is very reluctant (see below) compared to LO 5.3.1.2 which
itself is slow, in comparison to Apache Open Office 4.1.2 used on the same Dell
Optiplex 755 PC.

I can compare it to Apache Oo: Apache Open Office version 4.1.2 with Java 8
update 121 is very smooth and fast.

In Windows 10 in Performance Options > Visual effects; Unchecking animations is
no help.

In LibreOffice > Tools > Options >Memory; Increasing allocated memory for Libra
Office has no effect.

When selecting and dragging cells the mouse will often drop the cells or move
the cells. It isn't a mouse or mouse driver issue: this does not occur with
Apache Open Office. It makes the task risky.

Selecting cells across dozens of columns of cells, each with formulae, slows
the selection process enormously.  It looks like a memory or re-calculation
issue not present in Apache Oo.

Thank you.

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