What do I need for real time particle simulations in Maya 2013? (nparticles)

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  03 March 2013
What do I need for real time particle simulations in Maya 2013? (nparticles)

I've been trying to do some nparticle work, but it's too slow and frustrating to be usable. I have an Intel Core i7-3930K Sandy Bridge processor, and my renders arevery fast, but using ncloth or dynamics is painfully slow, it doesn't seem to be using the processor at all.

I have an GT680 video card, and I installed nvidia physx into maya, and that helped a little, but it's still terribly slow.

My adobe CS6 performance was slow at first as well, and I thought I was going to have to fork out the cash for a Quadro card. But then I found a 'hack' to enable the cuda cores on my video card, and all of a sudden I could do everything in realtime (after effects and premiere).

Is there a way to force maya to use my cuda cores as well?

Thanks for the help
Erik Tande
eriktande (@) gmail
 
  03 March 2013
Originally Posted by spineblaZe: I've been trying to do some nparticle work, but it's too slow and frustrating to be usable. I have an Intel Core i7-3930K Sandy Bridge processor, and my renders arevery fast, but using ncloth or dynamics is painfully slow, it doesn't seem to be using the processor at all.


Most of the tasks in Maya use only one processor core so what you describe is typical. Only fluids and mental ray use more than one processor core unless they've made drastic changes lately. Eventually some parts of the application will be rewritten to take advantage of multiple processor cores but there's a limit to what can and cannot be processed in parallel. There's a bottomless pit of information on the subject if you're interested.

Originally Posted by spineblaZe: Is there a way to force maya to use my cuda cores as well?


Nothing in Maya uses CUDA that I know of. There are plugins and specialized renderers that use CUDA (or OpenCL) for some tasks but there's no silver bullet to make everything in Maya faster. Generally speaking Maya and realtime shouldn't even be used in the same sentence.
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  03 March 2013
Originally Posted by olson: ...bottomless pit....


Where we came forth, and once more saw the stars...


(btw, great job on Nightcap.. i love the look)
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  03 March 2013
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