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Old 07-15-2012, 11:12 AM   #1
Tehran, Iran
Join Date: Nov 2006
Posts: 277
fluid parallel network simulation


we can render frames through Network ...

but is it possible to simulate heavy simulation that takes too long for a single computer through network?

thank u in advance
Old 07-15-2012, 11:14 PM   #2
Michele Stocco
Flowline Supervisor
Scanline VFX
Vancouver, Canada
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Assuming you're meaning Maya Fluid's the answer is nope.
You still can make smaller simulations and combine them together after the cache, depends on the scenario.
Old 07-16-2012, 01:51 PM   #3
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Matthew Lager
3D artist
Oceanside, USA
Join Date: Nov 2008
Posts: 878
We use qube to manage our render farm, and though I dont utilize it for fluids I know it can be setup to do so. It can only be on 1 machine though. There is no way to distribute simulations over multiple machines as it always needs the data from the previous frame. The advantage is not having a simulation take up a workstation, but thats pretty much it.

Old 07-16-2012, 03:18 PM   #4
Join Date: Jul 2009
Posts: 207
i don't know why, but fluid simulations are faster on my 4 core i7 2600k system than my quad Opteron system witch has 24 cores.
but for rendering -> the Opterons are the king

In my case Fluid Effects perform bad on many cores
Old 07-18-2012, 06:50 AM   #5
Tehran, Iran
Join Date: Nov 2006
Posts: 277

Maya fluid effects simulations are killing process ..

My workstation is 12 GB Ram, i7, but the simulation takes about 5 minutes for just a frame...( approximately for fluid container of 400 at size)

disappointing.. but what I can do.. patience!

Last edited by HJ-panorama : 07-18-2012 at 07:15 AM.
Old 10-11-2012, 11:49 AM   #6
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Timucin Ozger
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Montreal, Canada
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Wow dude, take it easy, here is the answer you have been waiting. I do myself make explosion enhancements etc at work, nd I assure you 12 gb isnt enough. Here it goes.

I exchanged an email with a dude from Weta for the avengers flying fortress explosion and smoke stuff. I asked him what was the voxel resolution used to get that kind of detail...

And here below is the answer.

`Hey Timucin,

Thanks for your email.
The resolution for the explosions on Avenger was around 300 millions voxels. this will use about 40go of ram.
But we have a special cache format here that allow us to cache big resolution. I'm not sure that you will be able to cache with the default maya format, I never tried.
Even with our format, the size of the cache was about 4go/frame.
For the rendering, everything was render with renderman.

Let me know if you have others questions.


400 voxel rex square container is 64mil voxels this means his container is like 500*500*1200

so without some special caching format or special hardware to exhange IO we just gotta wait our simulations i quickly fill up my 16gb while simulating...

who knows maybe at weta maybe they pass the simulation throu several computers each with physical 4 cpus maybe..
Reel 2014 and RnD
Old 10-11-2012, 11:49 AM   #7
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