I presume this is in response to my email to the petsc-dev list about DMCreateDomainDecomposition. I have cc'd petsc-dev back in.
On 18/07/16 18:35, Lulu Liu wrote: > Hi, > > DMCreateDomainDecomposition() is called in src/snes/impls/nasm/nasm.c, > and nasm->n always equals to 1. Could you fixed this problem in PETSc? > Thanks! Not being a core petsc developer, I cannot do this directly. Also, It seems to me that your DM is returning the wrong number of subdomains from DMCreateDomainDecomposition. If you're using a DMDA, I think you need to call DMDASetNumLocalSubdomains. If you're using a DMPlex, then this functionality is not currently implemented, I believe. Cheers, Lawrence
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