419   PetscInt         Am = A->rmap->n, Bm = B->rmap->n, BN = B->cmap->N, Bbn, Bbn1, bs, numBb;  in MatMatMultSymbolic_MPIAIJ_MPIDense()  local
434 … M == PETSC_DECIDE || N == PETSC_DECIDE) PetscCall(MatSetSizes(C, Am, B->cmap->n, A->rmap->N, BN));  in MatMatMultSymbolic_MPIAIJ_MPIDense()
446     Bbn1 = 2 * Am * BN / nz;  in MatMatMultSymbolic_MPIAIJ_MPIDense()
448   } else Bbn1 = BN;  in MatMatMultSymbolic_MPIAIJ_MPIDense()
452   if (Bbn1 > BN) Bbn1 = BN;  in MatMatMultSymbolic_MPIAIJ_MPIDense()
460   Bbn = PetscMin(Bbn, BN);  in MatMatMultSymbolic_MPIAIJ_MPIDense()
462   if (Bbn > 0 && Bbn < BN) {  in MatMatMultSymbolic_MPIAIJ_MPIDense()
463     numBb = BN / Bbn;  in MatMatMultSymbolic_MPIAIJ_MPIDense()
464     Bbn1  = BN - numBb * Bbn;  in MatMatMultSymbolic_MPIAIJ_MPIDense()
468 …"use Bb, BN=%" PetscInt_FMT ", Bbn=%" PetscInt_FMT "; numBb=%" PetscInt_FMT "\n", BN, Bbn, numBb));  in MatMatMultSymbolic_MPIAIJ_MPIDense()
470       PetscCall(PetscInfo(C, "use Bb1, BN=%" PetscInt_FMT ", Bbn1=%" PetscInt_FMT "\n", BN, Bbn1));  in MatMatMultSymbolic_MPIAIJ_MPIDense()
627     PetscInt  BN = B->cmap->N, n = contents->workB->cmap->n;  in MatMatMultNumeric_MPIAIJ_MPIDense()  local
636     for (PetscInt i = 0; i < BN; i += n) {  in MatMatMultNumeric_MPIAIJ_MPIDense()
637       PetscCall(MatDenseGetSubMatrix(B, PETSC_DECIDE, PETSC_DECIDE, i, PetscMin(i + n, BN), &Bb));  in MatMatMultNumeric_MPIAIJ_MPIDense()
638       PetscCall(MatDenseGetSubMatrix(C, PETSC_DECIDE, PETSC_DECIDE, i, PetscMin(i + n, BN), &Cb));  in MatMatMultNumeric_MPIAIJ_MPIDense()
641       PetscCall(MatMPIDenseScatter(A, Bb, (i + n) > BN, C, &workB));  in MatMatMultNumeric_MPIAIJ_MPIDense()