[Octave-bug-tracker] [bug #53753] Animation performance jumpy

[Marshall]

Follow-up Comment #4, bug #53753 (project octave):

I notice that performance in the dev version (5.0.0 (hg id: 28641f4be5de))does
not seem to have the same jumpiness as in 4.4.0. I wanted to try that first to
double check that the problem was still there before I tried to apply the
patch. So I'm not sure whether to try the patch or not. 

I noticed that the severity was down-graded, but I think that if this is still
a problem it is rather high priority for me. I think the jumpiness in 4.4.0 is
even worse on my faster machine (I guess that it skips more frames because it
is faster?). The smoothness is very important as I frequently use animations
to visually validate important time dependent results, and a visual jump in a
single frame has often been an indicator of a hidden problem. The "drawnow"
function by definition is supposed to force a sync so that the code doesn't
continue until the the plot has been updated/refreshed. In some cases I spend
a lot of time making the animations as fast and smooth as possible, but is all
wasted if I have to put in artificial delays to slow it down to ensure every
frame gets drawn.

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