[Libreoffice-bugs] [Bug 131408] high-res or skia or non-default-scaling problem?: remarkable slowdowns in Calc for scrolling in ver. 7.0

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=131408

b. <newbie-02 at gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Skia: remarkable slowdowns  |high-res or skia or
                   |in Calc for scrolling in    |non-default-scaling
                   |ver. 7.0                    |problem?: remarkable
                   |                            |slowdowns in Calc for
                   |                            |scrolling in ver. 7.0

--- Comment #7 from b. <newbie-02 at gmx.de> ---
@Roman: 

Skia/Raster: may be, but most probably not the only source, 

your performance default vs. Skia Raster has about 40% difference, 

my measuring 6.2 vs. 7.0 has about 400% difference, 

40% performance difference is something to care for, 

1:4 slowdown is an issue, 

if of interest: my screen: 4k in 3840x2160 mode, my graphics: nvidia Quadro
M4000M, font sizing 225%, 

performance difference significantly lower when switching to 1920x1080 mode
with 125% font size, ~43.000 rows / 20 sec. with 6.2 vs. ~33.000 rows / 20 sec.
with 7.0, 

thus a 'high-res' or 'non-default-scaling' problem with 7.0 or skia?

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