[petsc-dev] SeqSBAIJ v. MPISBAIJ

[Pierre Jolivet]

Hello,
The attached example is a little confusing for me.
How come I don’t get the same matrix out-of-the-box?
For me, the “correct” matrix is the SeqSBAIJ, how can I get MatMPISBAIJSetPreallocationCSR to assemble the same matrix?
Do I have to resort to first assembling SeqSBAIJ matrices and then calling MatCreateMPIMatConcatenateSeqMat if I don’t want to play around with my input arrays?

Thanks,
Pierre

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