Issue with Diva multicore on mac?

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Hi All

I've been having an issue with my 2013 i7 MBP running 10.14.6 and Live 10.1.9 getting massive CPU spikes which cause a crash/hang...I've attached a screenshot with one where the CPU meter is showing 35,820

I spent some time trying to work it out and had some useful tips from the Ableton crew about not using cloud based folders for the session/library etc...however - it turned out that simply switching off Multicore option in Diva meant I could go from crashing with 4 Diva in draft mode creating a spike in the 000s - to playing back 7 with some in fast/great quality mode....

Now - this may be specific to my machine, because I had a friend replicate my session best he could in Live 9 on his machine which is very similar to mine (2.5 2015 model-almost same architecture)...mine crashed with multicore on in Live 9 same spot 4 instruments, whereas his played back fine...

Thought it was worth sharing anyway as there must be something about my setup which is not agreeing with the Multicore option...in the past on other slower machines on Mavericks it's not been a problem...

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Presets for u-he Diva -> http://swanaudio.co.uk/
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Hmmm, maybe you ran into the rare cases we've been hinting at where multicore actually has negative side effects. I would not know why though.

Would it be possible to get the project (email to support@)?
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Urs wrote: Tue Apr 14, 2020 3:37 pm Hmmm, maybe you ran into the rare cases we've been hinting at where multicore actually has negative side effects. I would not know why though.

Would it be possible to get the project (email to support@)?
Hi Urs - sure will send it over!
Presets for u-he Diva -> http://swanaudio.co.uk/
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I see issue with too many DIvas with multicore are stopping my core i9 2019 mb 10.15.3. The same amount of Divas without multicore is working fine.
Murderous duck!
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And you are talking Diva 1.4.4 (revision 9709)?

Thing is, we haven't changed anything in the way Multicore is handled, but we changed a possible stall in the the filter code. We've been running tens of instances in parallel with MC on here...
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just sent email to support with the test session/details...

I downloaded the latest Diva on the website...is there a different version I should try?
Presets for u-he Diva -> http://swanaudio.co.uk/
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SWAN808 wrote: Tue Apr 14, 2020 5:06 pm just sent email to support with the test session/details...

I downloaded the latest Diva on the website...is there a different version I should try?
No, that's the one. But maybe check that it says 9709 in the Rev field.
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Urs wrote: Tue Apr 14, 2020 5:09 pm
SWAN808 wrote: Tue Apr 14, 2020 5:06 pm just sent email to support with the test session/details...

I downloaded the latest Diva on the website...is there a different version I should try?
No, that's the one. But maybe check that it says 9709 in the Rev field.
ok cool yeah I have that one...
Presets for u-he Diva -> http://swanaudio.co.uk/
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Mine was 9706, let me upgrade.
Also is there official list that notifies about version updates?
Murderous duck!
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david.beholder wrote: Thu Apr 16, 2020 5:15 am Also is there official list that notifies about version updates?
We have a newsletter.
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Urs wrote: Thu Apr 16, 2020 5:36 am
david.beholder wrote: Thu Apr 16, 2020 5:15 am Also is there official list that notifies about version updates?
We have a newsletter.
Confirmation comes in German =)

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Murderous duck!
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