Re: [Libmesh-users] output results of very huge mesh

[Simone R. <sim...@gm...>]

Hey Ken,
have you tried using VTK to export your solution? It exports a file per processor with only local information.
There may be other solutions available, but I’m using VTK to export the solution in parallel.
I hope it helps,
Simone

On Jan 25, 2019, at 2:09, Bin Liu <ken...@ho...> wrote:

> Hi,
> I have written a mpi finite element program to solve a very large 3D problem, around 50 millions nodes. I have been able to split the mesh and read these decomposed mesh from each processors. However, I have a big problem to output the results for visualization.
> 
> From my understanding, I should Serialize the mesh temporarily and output the mesh and solutions together. However, this serialization of mesh is very inefficient on one processor and takes a huge amount of memory and time to generate it.
> 
> Is there any way to write out the mesh and solutions together from each processor in parallel? It is not a problem for me to post-process them, as long as they are mesh and solution are exported.
> 
> Thanks
> Ken
> 
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