On Sun, Jul 23, 2023 at 11:54 AM 袁煕 wrote:
> 袁煕
> 0:50 (0 分前)
> To PETSc
> Hi,
>
> I used PETSc to assemble a FEM stiff matrix of an overlapped (overlap=2)
> DMPlex and used the MUMPS solver to solve it. But I got a
> different solution by using 1 CPU and MPI parallel computation. I am
>
袁煕
0:50 (0 分前)
To PETSc
Hi,
I used PETSc to assemble a FEM stiff matrix of an overlapped (overlap=2)
DMPlex and used the MUMPS solver to solve it. But I got a
different solution by using 1 CPU and MPI parallel computation. I am
wondering if I missed some necessary step or setting during my