impls/hierarchical/hierarchical.c

21   PetscInt        nfineparts;     /* number of fine parts on each coarse subdomain */
72   PetscCheck(hpart->nfineparts, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, " must set number of small subdomains for each big subdomain ");
80     hpart->nfineparts   = 1;
88     hpart->ncoarseparts = part->n / hpart->nfineparts;
90     if (part->n % hpart->nfineparts != 0) hpart->ncoarseparts++;
92     part->n = hpart->ncoarseparts * hpart->nfineparts;
99   if (part->n % hpart->nfineparts != 0) offsets[1] = part->n % hpart->nfineparts;
100   else offsets[1] = hpart->nfineparts;
105     offsets[i]          = hpart->nfineparts;
361     PetscCall(PetscViewerASCIIPrintf(viewer, " Number of fine parts: %" PetscInt_FMT "\n", hpart->nfineparts));
403 PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning part, PetscInt nfineparts)
408   hpart->nfineparts = nfineparts;
431   PetscCall(PetscOptionsInt("-mat_partitioning_hierarchical_nfineparts", "number of fine parts", NULL, hpart->nfineparts, &hpart->nfineparts, &flag));
539   hpart->nfineparts     = 1;    /* we do not further partition coarse partition any more by default */