On Fri, Jan 25, 2019 at 1:10 AM Bin Liu <kenneth....@hotmail.com> 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. > You can try using the NemesisIO object instead, which is basically an Exodus file per MPI rank and does not require serialization of the mesh. -- John _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
