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..i'm not sure how Maya would know or wouldn't know if you had dual Quadro 4000s, but i do know its not built to take advantage of crossfire/SLI yet.
Hehe if I had dual Quadro 4000, I would place them in a Cubix and me a nice Cuda box for Resolve ;) I grew up modeling in lower end cards and to date, the Nvidia Quadro 5800 in my Boxx still rocks :)
 
Would I get better performance in Maya with the same 5870 if I just used it under Windows?
 
Would I get better performance in Maya with the same 5870 if I just used it under Windows?
As in Bootcamp. I can test sometime this week. Im removing a Quadro 4000 and putting back the original 5870 on a MP 12core. I can only test using fps in shaded/textured/lighting mode.
 
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I seriously doubt that the 5870 will perform noticeably better under windows. It's Nvidia's crappy Mac drivers that make the Quadro cards perform better under windows. None the less, I'm interested to see the results of this test
 
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OpenGL yes, but we are talking about OpenCL performance. Windows has support for a newer version of OpenGL that's why there is a performance increase in games
 
Would I get better performance in Maya with the same 5870 if I just used it under Windows?

I've done this many times when I had to work in UDK and honestly Maya ran better under Mac OS especially when dealing with complex scenes. I was using Maya 2011.
 
Well I just did a simple test of my own, very simple actually. All I did was make an nCloth object react with a ball and move the ball during playback. Under Windows, the frame rate was descent and you could move the ball around and see it interact. It wasn't perfectly smooth, but it was alright. In OS X, it was MUCH worse. Noticeable difference in frame rate. Trying to move the ball during playback was extremely delayed.

So it appears using the same GPU yields better performance in Maya in my test. I don't know if there will be a difference in performance depending on what you are doing, for example dynamics versus straight up high poly count. But in my test, dynamics were much smoother under Windows with the same GPU.

mBox, if you get a chance to make your own test scene, let me know what you find. But, at least for dynamics, it is pretty obvious that Maya runs better in Windows 7.

EDIT: Ok, I just did a quick test with a fully textured model I made a few months back. It's a high res model with fairly high res maps. And just rotating around it was noticeably fast in OS X. Can anyone explain why dynamics are much more responsive under Windows when rotating around a high res model is much faster in OS X?

And just to be sure, if I were to get a Quadro card, almost any Quadro card, it will be much faster under Windows than my 5870 in OS X because of CUDA support, correct?
 
EDIT: Ok, I just did a quick test with a fully textured model I made a few months back. It's a high res model with fairly high res maps. And just rotating around it was noticeably fast in OS X. Can anyone explain why dynamics are much more responsive under Windows when rotating around a high res model is much faster in OS X?

And just to be sure, if I were to get a Quadro card, almost any Quadro card, it will be much faster under Windows than my 5870 in OS X because of CUDA support, correct?
As I wear many hats at work, I didnt get a chance thanks to Resolve 8 (dropped ship last Thursday) :)
I wonder if the Dynamics are slower due to calculations?
Now it cant be the I/O since both OS are running the same way or are they (talking BootCamp of course)?
Im running a Quadro 4000 so Im hoping I can test asap.
Im going to lose that Quadro to the Resolve workstation.
Sadly all that card will do is CUDA.
 
Just a thought but I understand mac os doesn't fully support OpenGL 3.1 *I imagine you'll be getting much better performance once lion & an updated version of Maya is released. When I run cinema 4d in MacOS it is noticeably slower than under bootcamp & windows.
 
Just a thought but I understand mac os doesn't fully support OpenGL 3.1 *I imagine you'll be getting much better performance once lion & an updated version of Maya is released. When I run cinema 4d in MacOS it is noticeably slower than under bootcamp & windows.

A newer version of OpenGL doesn't necessarily mean it's faster. New versions of OpenGL just add new draw functions, most of which are already present in GL extensions. A higher OpenGL version != faster.

That's not to say Apple doesn't have some OpenGL performance issues that hopefully Lion improves on.
 
Interesting, maybe it is a Nvidia thing. I have an ATI Radeon 5750 with 1 GB RAM in my iMac and after doing a basic particle interactive playback test it seemed to run decently fine. Also, what is your timeline playback set to? When I play with dynamics I always set the timeline to "Play every frame" with the max playback speed set to "real-time".

Anyway, here is a screen capture showing me using a sphere to move 1,504 nParticles during interactive playback. The only possible differences in performance could be:

I am running Maya 2012
I am running that ATI Radeon 5750 card
I have an i7, but I believe dynamics are run with the GPU

http://www.youtube.com/watch?v=RSQOxBRrAqE
 
Right now I am just confused as to why I get better dynamics under Windows when I can move around a high res model much smoother under OS X...
 
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