Distributed Simulation looks wrong !

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Hi !
I'm trying to test distributed simulation and have created a scene from shelf without any custom stuff

then i try to compare single container and its sliced copy….

I can not get the same results when distributing a pyro container across the network

what is wrong with my setup ?




here is the scene….

Attachment Not Found
Edited by 90okm - March 19, 2018 09:30:11

Attachments:
distro.hip (742.1 KB)
smoke33.png (516.3 KB)

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Unlike flip, the pressure solve in pyro is not distributed (ie. the containers were not treated as one by all the machines). In pyro, the containers are treated independently by each machine with overlap.

Until SESI implemented distributed pressure solve for the multigrid node used in pyro, distributed pyro will look different than a single container pyro.

You could also try replacing the multigrid pressure solve node in pyro with the variational pressure solve node used in flip to see if you could distribute the pressure solve. The variational pressure solve node used in flip is the only node can do distributed pressure solve in Houdini right now.
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