lfos + xy pad take lot of cpu on Renoise OSX


if I use a bunch of lfos that control the x- and y-axis of a bunch of xy-pads, Renoise 3.01 on OSX seems to consume lots of cpu that aren’t reflected in the cpu meter. It’s like Renoise starts to stutter if there are a lot of the x-y-axis changes permanently. The controlled fx by xy-pad doesn’t seem to be so important here… Don’t know how to replicate this.