Replace ierr = MatSetType(A, MATMPIAIJ);CHKERRQ(ierr); to ierr = MatSetType(A, MATAIJ);CHKERRQ(ierr);
Replace ierr = MatSetType(B, MATMPIDENSE)i;CHKERRQ(ierr); to ierr = MatSetType(B, MATDENSE)i;CHKERRQ(ierr); Then add MatSeqAIJSetPreallocation() MatSeqDenseSetPreallocation() Hong On Mon, Jan 14, 2019 at 2:51 PM Pierre Jolivet via petsc-dev <petsc-dev@mcs.anl.gov<mailto:petsc-dev@mcs.anl.gov>> wrote: Hello, Is there any chance to get MatMatMult_MPIAIJ_MPIDense and MatTransposeMatMult_MPIAIJ_MPIDense fixed so that the attached program could run _with a single_ process? (I know, I could switch to SeqAIJ_SeqDense, but that is not an option I have right now) Thanks in advance, Pierre
