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VE Pro Cubase Performance on a Mac
Last post Fri, Aug 20 2010 by civilization 3, 5 replies.
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Posted on Sat, Aug 14 2010 19:19
by bobulusbillman
Joined on Mon, Jul 09 2007, Posts 80

Hi,

I've been doing some interesting side by side comparisons using the sample VE Pro template with Logic Pro 9 and Cubase 5.

So this is using the exact same VE Pro Template (decoupled) and will each VE Pro instance loaded as a multi out plug in within the host. The cpu use shown here is at an idle state (i.e. nothing playing back). How come Cubase is using so much more CPU? AND making VE Pro use so much more cpu? Is it something to do with the inefficiency of the VST VE Pro plug in compared to the AU plug in?

Any thoughts/comments Vienna team?

thanks so much!

Posted on Thu, Aug 19 2010 23:22
by scorefrog
Joined on Thu, Sep 24 2009, Posts 62
could it be possible that VE Pro somehow "reserves" Porcessing power when working with cubase and doesn't do that in conjunction with logic? This would result in a similar performance though showing those radical different performance hits in the Activity Monitor. I'm still thinking much about using Cubase or Logic. So it's a very relevant question I think (for cubase on Mac useres general of course)
Mac Pro 5.1 (mid 2010) Quad core / 48 GB RAM / El Capitan 10.11.6 / Velocity Duo PCIe Card with two 500 GB Samsung Evo 850 SSD mounted/ 2 Slave PC with Win 7 and 16 GB RAM each / Logic 9.1.3 / Cubase 6.5
Posted on Fri, Aug 20 2010 05:54
by civilization 3
Joined on Sat, May 16 2009, SF Bay Area, Posts 1942

this is because Cubase is not coded for Core Audio but for the windows audio I/O ASIO; it runs this fundamental service under the wrap CoreAudio2ASIO.bundle.

In addition, when we have AU components installed on the same machine as .vst, Cubase fetches the former and wraps it as the latter.

Which means crappy performance.

MacBookPro 18,3
Apple M1 Pro: 2.3 GHz 8-core i9

Mac OS 12.3.1
VE Pro 7.1298, Nuendo 11.0.41
Posted on Fri, Aug 20 2010 15:49
by scorefrog
Joined on Thu, Sep 24 2009, Posts 62
Oh thank you for that explanation. This is a really relevant thing to consider for the "Cubase vs Logic-on-Mac-Brainer"!
Mac Pro 5.1 (mid 2010) Quad core / 48 GB RAM / El Capitan 10.11.6 / Velocity Duo PCIe Card with two 500 GB Samsung Evo 850 SSD mounted/ 2 Slave PC with Win 7 and 16 GB RAM each / Logic 9.1.3 / Cubase 6.5
Posted on Fri, Aug 20 2010 16:25
by civilization 3
Joined on Sat, May 16 2009, SF Bay Area, Posts 1942

I don't know what the activity monitor percentages mean. I do know that Cubase requires around 4 times the buffers to run the same instrument, generally than Logic will, all else being equal. I am using Cubase because VST3 allows for multiple midi ports (AU protocol appears to have a limit of 16 channels into Logic sequencer, period), ie., I'm using it because of VE Pro. VE Pro is the only thing that makes running virtual instruments in Cubase on a Mac at all viable for me, so it's a kind of circle.

MacBookPro 18,3
Apple M1 Pro: 2.3 GHz 8-core i9

Mac OS 12.3.1
VE Pro 7.1298, Nuendo 11.0.41
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