Is my Mac supposed to struggle this much with Diva?

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So I've been running this on my MacBook Pro without any crackles or drop outs.

What samperate and buffersize are you using?

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XorXisT wrote: Mon Jan 26, 2026 7:12 pm I just tested your preset with my mac mini pro m4 base model and I got 1 core around 60% to 65%, with some spikes to 75% cpu usage.

Logic's processing threads was setup using automatic, 8 & 12 (8 high performance cores). Same results.

Try using processing threads: 8 (8 high performance cores). I don't know how it works but maybe Logic will use only perf cores.

Maybe.
Do you get any stuttering when messing with multicore in the plugin? and voice stack maxed in Diva?

My settings currently:
Image

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isuckatproducing wrote: Mon Jan 26, 2026 8:34 pm
XorXisT wrote: Mon Jan 26, 2026 7:12 pm I just tested your preset with my mac mini pro m4 base model and I got 1 core around 60% to 65%, with some spikes to 75% cpu usage.

Logic's processing threads was setup using automatic, 8 & 12 (8 high performance cores). Same results.

Try using processing threads: 8 (8 high performance cores). I don't know how it works but maybe Logic will use only perf cores.

Maybe.
Do you get any stuttering when messing with multicore in the plugin? and voice stack maxed in Diva?

My settings currently:
Image
Just tested your patch again, now with accuracy divine (missed this the first time), and yes voice stack: 6, and I get around 75% to 80% of 1 core.

Processing threads: 8 (8 high performance cores). Sample rate / buffer size: 48 / 64.

Regarding turning multicore on, Urs already said that's a bad ideia, so I let it turned off.

Dune 3 have the same issue if you turn on multithreading.

So IMO just turn multicore off and you'll be fine.

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XorXisT wrote: Tue Jan 27, 2026 11:59 am
isuckatproducing wrote: Mon Jan 26, 2026 8:34 pm
XorXisT wrote: Mon Jan 26, 2026 7:12 pm I just tested your preset with my mac mini pro m4 base model and I got 1 core around 60% to 65%, with some spikes to 75% cpu usage.

Logic's processing threads was setup using automatic, 8 & 12 (8 high performance cores). Same results.

Try using processing threads: 8 (8 high performance cores). I don't know how it works but maybe Logic will use only perf cores.

Maybe.
Do you get any stuttering when messing with multicore in the plugin? and voice stack maxed in Diva?

My settings currently:
Image
Just tested your patch again, now with accuracy divine (missed this the first time), and yes voice stack: 6, and I get around 75% to 80% of 1 core.

Processing threads: 8 (8 high performance cores). Sample rate / buffer size: 48 / 64.

Regarding turning multicore on, Urs already said that's a bad ideia, so I let it turned off.

Dune 3 have the same issue if you turn on multithreading.

So IMO just turn multicore off and you'll be fine.
For me it’s struggling even at 3 stacks and accuracy set to default. :/

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Strange enough Dune3 works fine on my M1 Max MBP with multicore on.
rsp
sound sculptist

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isuckatproducing wrote: Tue Jan 27, 2026 12:59 pm ...
For me it’s struggling even at 3 stacks and accuracy set to default. :/
Could be the 64 you running it at.. I use 128... what sound card is WH-1000?
rsp
sound sculptist

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zvenx wrote: Tue Jan 27, 2026 1:14 pm
isuckatproducing wrote: Tue Jan 27, 2026 12:59 pm ...
For me it’s struggling even at 3 stacks and accuracy set to default. :/
Could be the 64 you running it at.. I use 128... what sound card is WH-1000?
rsp
It’s Sony XM4 headphones. :borg: :clown:

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That may be the issue.. the 'sound card'..

I think to run well at 64 you would need an RME or Lynx Audio or Apogee (maybe even an Apollo, not sure, but I am sure about RME and Lynx Audio) or one of those higher quality sound cards.
rsp
sound sculptist

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Oh it is a wireless headphones probably running blue tooth? I am surprised you can run anything at 64 with that much less Diva.

https://electronics.sony.com/audio/head ... h1000xm4-b
rsp
sound sculptist

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zvenx wrote: Tue Jan 27, 2026 1:22 pm Oh it is a wireless headphones probably running blue tooth? I am surprised you can run anything at 64 with that much less Diva.

https://electronics.sony.com/audio/head ... h1000xm4-b
rsp
I use them wired sometimes.
The only reason I bought them is amazing ANC.

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Yeah, this is why sound card and buffer size is crucial in investigating issues.
I think you need to bump up to 128 (if not higher) to solve this issue or of course buy a sound card that can indeed work well at 64 (RME and Lynx Audio my two favourites).
rsp
sound sculptist

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zvenx wrote: Tue Jan 27, 2026 1:13 pm Strange enough Dune3 works fine on my M1 Max MBP with multicore on.
rsp
Whoopsie doopsie :oops: yeah, you're right. I'm late to the party. Like, really really late:

https://www.synapse-audio.com/news-dune35m1update.html

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Ah, I gotta ask Richard if he used the same hack that I recently read about.

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Please do.. works without issues in Dune 3 (and maybe Legend and Prestige (can't remember if those have multicore options)).
rsp
sound sculptist

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Urs wrote: Tue Jan 27, 2026 3:10 pm Ah, I gotta ask Richard if he used the same hack that I recently read about.
That would be awesome :D . Could give Repro a boost, too :hyper: .

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