Post subject: Re: PhysX Fluid Simulation in Softimage ICE
Posted: 28 Jan 2012, 19:05
Joined: 24 Sep 2010, 18:28 Posts: 595
Mr.Core wrote:
>>GTX 590 crash nvidia driver with this node also decrease Max Particles Count, 590 is using only 1.5 gb videoram
Ya, I know it. But we both know it's not your fault, heh? Can you help all those people with issues that they have?
Does anyone ever ask yourself if all that speed with PhysX and all GPU stuff works so great why it's not implemented in package already? Bad and lazy programmers at Autodesk? I don't think so
Post subject: Re: PhysX Fluid Simulation in Softimage ICE
Posted: 28 Jan 2012, 19:26
Joined: 24 Sep 2010, 18:28 Posts: 595
Mr.Core wrote:
If you know it and you also cannot help - at least dont flood here It is best what you can do, believe me
I'm not a "flooding" here, just answering your question. Why so many people have problems with it. The answer is right here You just don't want to hear it
Post subject: Re: PhysX Fluid Simulation in Softimage ICE
Posted: 29 Jan 2012, 02:53
Joined: 09 Jun 2009, 14:49 Posts: 366 Location: Brussels, Belgium / London, UK
Don't want to further ignite any ill feelings, but I can guess what iamVFX is hinting at - in that this version of physX SPH on the GPU is very unstable. Is that Nvidia's responsibility? who knows?, but I also don't think that Mr.Core is suggesting that this is a production grade replacement, its something to play with and as its so quick some of us expressed an interest and I'm very glad that he shared it with us.
Still , whilst working out the limitations am getting crashes , error code 3, display driver problems, gpu pipe failures , This is certainly not Mr Cores fault but im getting MUCH faster results than if I was waiting purely on the CPU with the old SPH. yes this CPU only version of SPH is still faster than Thiago's but its also not as stable or integrated into SI . eg I cannot seem to add or delete particles or use age etc without the solver failing. So yes, this in no way can replace what we have already but for simple stuff once being aware of your particular GPU limits, it could become a quicker tool in the arsenal heres a quick test with 1 million particles
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Post subject: Re: PhysX Fluid Simulation in Softimage ICE
Posted: 29 Jan 2012, 10:48
Joined: 09 Jun 2009, 14:49 Posts: 366 Location: Brussels, Belgium / London, UK
Hi Chris_TC simulation times are at the bottom of the screen, between 0.5 <> 1 fps as you can see I can orbit around whilst capturing etc. Lagoa, for 1 million particles at low settings, I'm not sure but are probably hundreds of times slower.. will have to check out with exactly the same sim.
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