[PD] data structure flickering

[Roman Haefeli]

Hi

When using "many" data structure scalars, all scalars seem to get
redrawn on certain actions. I initially thought it happens when
appending scalars, but it's appears simply appending a scalar doesn't
trigger it. The time to redraw the scalars seems proportional to
overall number of scalars. This redrawing doesn't seem to cause a CPU
spike, but it creates visual glitches. 

I am curious to know what goes on behind the scene. Can this be avoided
or maybe minimized?

This is a video showing the glitch:
https://netpd.org/~roman/tmp/netpd_datastructure_glitch.mp4



Roman
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