Sustainer - very high cpu usage

the sustainer works fine with midi data for me, but when sustaining the analog guitar signal i get very high cpu usage.

with a preset containing only the sustainer and string retuning modules the cpu meter turns red as soon as i hit a note.

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I saw your note here and did the most rudimentary test last night on my M3 iPad, to see if I could reproduce. I was running MG3 as a plugin in AUM, with a simple patch: two audio-only Chains each with just a Transposer (my 12-string sound). CPU baseline was maybe 5%. I added a Sustainer to the un-shifted Chain, and while I didn’t ping red by any means, it was a very noticeable bump in the MG3 CPU meter (new baseline was about 15%).

FWIW.

(not strictly relevant, but I thought the sound was pretty cool; I kinda dig how the piano sustain gives a bit of “harp-style” sound even with notes on the same string. :nerd_face: )

thanks for looking into this. are you running mg3 or mg3hex?

i agree on the sound shaping potential, i look forward to experimenting further.

I am “merely” MG3 standard. Getting myself into Hex is something I’d love, but even a GK or Submarine Sub Six is beyond my budget for now. (Oh, the design ideas I have for even a meager actual budget… :nerd_face: )