Plotting Acquired Data to Separate Figure Windows Continuously

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Adam Zrehen
Adam Zrehen on 18 Jan 2021
Commented: Adam Zrehen on 18 Jan 2021
I want to plot continuously acquired data to separate figure windows. I've found that the execution time of the while loop increases over time when calling the axis or figure from within the while loop using an axis or figure handle. On the other hand, if I have a single figure that is set to "hold on" before while loop execution, then the timing is stable, with the exception of some stochasticity from the processor. Any suggestions how to fix this? See code below and attached images showing the timing stability when calling the axis versus not calling the axis (1.png vs 2.png).
h=figure()
hAx1 = gca;
hold on
h2=figure()
hAx2 = gca;
hold on
i=1;
tic
while i<3000
time(i,1)=toc;
if i>1
plot(hAx1,i,time(i,1)-time(i-1,1),'or')
plot(hAx2,i,time(i,1)-time(i-1,1),'or')
end
pause(0.08)
i=i+1;
end

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