[petsc-users] Domain decomposition using DMPLEX

Swarnava Ghosh swarnava89 at gmail.com
Mon Nov 25 18:23:59 CST 2019


Dear PETSc users and developers,

I am working with dmplex to distribute a 3D unstructured mesh made of
tetrahedrons in a cuboidal domain. I had a few queries:
1) Is there any way of ensuring load balancing based on the number of
vertices per MPI process.
2) As the global domain is cuboidal, is the resulting domain decomposition
also cuboidal on every MPI process? If not, is there a way to ensure this?
For example in DMDA, the default domain decomposition for a cuboidal domain
is cuboidal.

Sincerely,
SG
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