Hamed, I have a quick question for you. I was wondering if the system_matrix of > the sequential code should be exactly the same as parallel on for the same > problem condition. > I mean if my sequential code is solved by SolverCG and SSOR > preconditioner, the parallel one should necessarily be solved by the same > solver or System_matrix features may change through palatalization. > Yes, if you don't do any DoF renumbering, consider the same mesh and treat constraints the same way, the matrix should look the same (up to numerical error, i.e. O(1.e-12) or less).
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