I also did the same on my test machine (late 2013 13" Retina, 2.4ghz, 128GB SSD), with the same better results. It hits the 51% when I am playing hard with lots of sustain pedal with PianoTeq.Īnyway, just an idea for anyone to try while Apple looks at all this. No lag switching patches, and CPU never went above 51%, which is how it behaved under 3.3.2 I actually ran 3.4 at a gig Saturday night, and it was flawless. With everything loaded, my idle CPU was back to 3%. I don't know why doing this worked, but it did.
Then I opened Mainstage 3.4 and created a concert, and imported from a backup, all my patches. (I don't use the new studio horns or strings).
#MAINSTAGE 3.3 EXTERNAL INSTRUMENT SUSTAIN PEDAL HIGH CPU DOWNLOAD#
I made sure to to download the exact Apple sound libraries I had before. I then went back into the App Store, downloaded 3.4 again, and let it do a fresh install. I completely removed any trace of Mainstage and my 3rd party libraries (Arturia, PianoTeq, Syntronik) On my gig machine: Mid 2012 13" MBP 2.5ghz 16GB, 2-500GB SSD totaling 1TB While Apple is currently scouring the latest Mainstage created performance report I sent them, I tried something. He also told me they have received the reports of performance decrease in 3.4 compared to 3.2.2 regardless of OS (Sierra, High Sierra, Mojave, etc.)Īnyway, they are fully aware of the issue and are working to identify it.Īs soon as I hear back from them on my latest report I sent I will let all know what they say. It worked! CPU back to my original good baseline.Īt that point my guy at Apple had me create another one of those Support Profiles so he could analyze it, compared to the original Support Profile.
They spent a couple days running my concert on different machines, and didn't see the same increased CPU that I was seeing (and they could verify I was seeing).Īs a test, they had me create another user account on my MBP, and open the offending Mainstage concert in that. I did get in contact with Apple, and the person I worked with had me send them the concert I had issues with, as well as one of the "reports" you create. I initially had some increased CPU, but nowhere near the experience the OP talks about.
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