int MESH_AssignGlobalIDs_Face(Mesh_ptr submesh, MSTK_Comm comm) {
  int i, nf, global_id, mesh_info[10];
  MFace_ptr mf;
  RepType rtype;
  int *global_mesh_info;

  int rank, num;
  MPI_Comm_rank(comm,&rank);
  MPI_Comm_size(comm,&num);

  for (i = 0; i < 10; i++) mesh_info[i] = 0;
  rtype = MESH_RepType(submesh);
  nf = MESH_Num_Faces(submesh);

  mesh_info[0] = rtype;
  mesh_info[3] = nf;

  global_mesh_info = (int *)malloc(10*num*sizeof(int));
  MPI_Allgather(mesh_info,10,MPI_INT,global_mesh_info,10,MPI_INT,comm);

  /* calculate starting global id number for faces*/
  global_id = 1;
  for(i = 0; i < rank; i++) 
    global_id = global_id + global_mesh_info[10*i+3];
  for(i = 0; i < nf; i++) {
    mf = MESH_Face(submesh,i);
    MF_Set_PType(mf,PINTERIOR);
    if (!MF_GlobalID(mf)) MF_Set_GlobalID(mf,global_id++);
    MF_Set_MasterParID(mf,rank);
  }

  free(global_mesh_info);
  return 1;
}
  int MESH_Renumber_GlobalIDs(Mesh_ptr mesh, MType mtype, int method,
                              int *preassigned_gids, MSTK_Comm comm) {
    if (preassigned_gids) {
      MSTK_Report("MESH_Renumber_GlobalIDs",
                  "Renumbering according to pre-assigned numbering not yet implemented",
                  MSTK_ERROR);
    } else {
      if (MESH_Num_Vertices(mesh) && (mtype == MVERTEX || mtype == MALLTYPE))
        MESH_Renumber_EntityGlobalIDs(mesh, MVERTEX, method, NULL, comm);
      if (MESH_Num_Edges(mesh) && (mtype == MEDGE || mtype == MALLTYPE))
        MESH_Renumber_EntityGlobalIDs(mesh, MEDGE, method, NULL, comm);
      if (MESH_Num_Faces(mesh) && (mtype == MFACE || mtype == MALLTYPE))
        MESH_Renumber_EntityGlobalIDs(mesh, MFACE, method, NULL, comm);
      if (MESH_Num_Regions(mesh) && (mtype == MREGION || mtype == MALLTYPE))
        MESH_Renumber_EntityGlobalIDs(mesh, MREGION, method, NULL, comm);

      // Ghost entity management in the mesh relies on ghost lists
      // being sorted according to their global ID

      MESH_Sort_GhostLists(mesh, compareGlobalID);
      MESH_Sort_GlobalIDSearch_Lists(mesh);
    }

    return 1;
  }
Beispiel #3
0
void MESH_Renumber(Mesh_ptr mesh, int renum_type, MType mtype) {
  MVertex_ptr mv, v0=NULL;
  MEdge_ptr me, e0=NULL;
  MFace_ptr mf, f0=NULL;
  MRegion_ptr mr, r0=NULL;
  int idx, idx2, idx3;
  int i, j;
  int done;
  MAttrib_ptr vidatt;
  List_ptr vlist;
  double xyz[3];
  double rval;
  int bandwidth, maxbandwidth1, maxbandwidth2;
  double avebandwidth1, avebandwidth2;
  void *pval;

  if (renum_type == 0) {
    if (mtype == MVERTEX || mtype == MALLTYPE) {
      int nv = 0;
      idx = 0; 
      while ((mv = MESH_Next_Vertex(mesh,&idx)))
	MV_Set_ID(mv,++nv);
    }
    
    if (mtype == MEDGE || mtype == MALLTYPE) {
      int ne = 0;
      idx = 0; 
      while ((me = MESH_Next_Edge(mesh,&idx)))
	ME_Set_ID(me,++ne);
    }
    
    if (mtype == MFACE || mtype == MALLTYPE) {
      int nf = 0;
      idx = 0; 
      while ((mf = MESH_Next_Face(mesh,&idx)))
	MF_Set_ID(mf,++nf);
    }
    
    if (mtype == MREGION || mtype == MALLTYPE) {
      int nr = 0;
      idx = 0; 
      while ((mr = MESH_Next_Region(mesh,&idx)))
	MR_Set_ID(mr,++nr);
    }
  }
  else if (renum_type == 1) {
    double minx, miny, minz;
    int minid, maxid;
    int *nadj, *newmap, *adj, *offset, nconn;
    int nalloc, depth, maxwidth;
        
#ifdef MSTK_USE_MARKERS
    int mkid = MSTK_GetMarker();
#else
    MAttrib_ptr mkatt = MAttrib_New(mesh, "mkatt", INT, MALLTYPE);
#endif

    if (mtype == MVERTEX || mtype == MALLTYPE) { 
      int nv = MESH_Num_Vertices(mesh);      
      
      /* Compute a graph of vertex connections across elements (faces
	 for surface meshes, regions for solid meshes */

      /* Start with the vertex in the lower leftmost corner */
      
      minx = miny = minz = 1.0e+12;
      v0 = NULL;
      idx = 0;
      while ((mv = MESH_Next_Vertex(mesh,&idx))) {
	MV_Coords(mv,xyz);
	if (xyz[0] <= minx && xyz[1] <= miny && xyz[2] <= minz) {
	  minx = xyz[0];
	  miny = xyz[1];
	  minz = xyz[2];
	  v0 = mv;
	}
      }


      nadj = (int *) malloc(nv*sizeof(int));
      nalloc = nv*5;
      adj = (int *) malloc(nalloc*sizeof(int));

      if (!MESH_Num_Regions(mesh)) {
        int nentries = 0;
        i = 0;
        idx = 0;
        while ((mv = MESH_Next_Vertex(mesh,&idx))) {
          List_ptr vfaces, adjvlist;
          MFace_ptr vf;
          MVertex_ptr adjv;

          adjvlist = List_New(0);
          vfaces = MV_Faces(mv);
          idx2 = 0;
          while ((vf = List_Next_Entry(vfaces,&idx2))) {
            List_ptr fverts = MF_Vertices(vf,1,0);
            idx3 = 0;
            while ((adjv = List_Next_Entry(fverts,&idx3))) {
              if (adjv != mv) {
                int vmarked;
#ifdef MSTK_USE_MARKERS
                vmarked = MEnt_IsMarked(adjv,mkid);
#else
                MEnt_Get_AttVal(adjv, mkatt, &vmarked, &rval, &pval);
#endif
                if (!vmarked) {
                  List_Add(adjvlist,adjv);
#ifdef MSTK_USE_MARKERS
                  MEnt_Mark(adjv,mkid);
#else
                  MEnt_Set_AttVal(adjv, mkatt, 1, 0.0, NULL);
#endif
                }
              }
            }
            List_Delete(fverts);
          }
          List_Delete(vfaces);
#ifdef MSTK_USE_MARKERS
          List_Unmark(adjvlist,mkid);
#endif

          nadj[i] = List_Num_Entries(adjvlist);
          
          if (nentries+nadj[i] > nalloc) {
            nalloc *= 2;
            adj = (int *) realloc(adj,nalloc*sizeof(int));
          }

          idx2 = 0;
          while ((adjv = List_Next_Entry(adjvlist,&idx2)))
            adj[nentries++] = MV_ID(adjv)-1;

          List_Delete(adjvlist);
          i++;
        }
      }
      else {
        int nentries = 0;
        i = 0;
        idx = 0;
        while ((mv = MESH_Next_Vertex(mesh,&idx))) {
          List_ptr vregions, adjvlist;
          MRegion_ptr vr;
          MVertex_ptr adjv;

          adjvlist = List_New(0);
          vregions = MV_Regions(mv);
          idx2 = 0;
          while ((vr = List_Next_Entry(vregions,&idx2))) {
            List_ptr rverts = MR_Vertices(vr);
            idx3 = 0;
            while ((adjv = List_Next_Entry(rverts,&idx3))) {
              if (adjv != mv) {
                int vmarked;
#ifdef MSTK_USE_MARKERS
                vmarked = MEnt_IsMarked(adjv,mkid);
#else
                MEnt_Get_AttVal(adjv, mkatt, &vmarked, &rval, &pval);
#endif
                if (!vmarked) {
                  List_Add(adjvlist,adjv);
#ifdef MSTK_USE_MARKERS
                  MEnt_Mark(adjv,mkid);
#else
                  MEnt_Set_AttVal(adjv, mkatt, 1, 0.0, NULL);
#endif
                }
              }
            }
            List_Delete(rverts);
          }
          List_Delete(vregions);
#ifdef MSTK_USE_MARKERS
          List_Unmark(adjvlist,mkid);
#endif

          nadj[i] = List_Num_Entries(adjvlist);

          if (nentries+nadj[i] > nalloc) {
            nalloc *= 2;
            adj = (int *) realloc(adj,nalloc*sizeof(int));
          }

          idx2 = 0;
          while ((adjv = List_Next_Entry(adjvlist,&idx2)))
            adj[nentries++] = MV_ID(adjv)-1;

          List_Delete(adjvlist);
          i++;
        }
      }

      /* Compute offsets into adj array */

      offset = (int *) malloc(nv*sizeof(int));
      offset[0] = 0;
      for (i = 1; i < nv; i++)
	offset[i] = offset[i-1] + nadj[i-1];

      /* Compute maximum bandwidth before renumbering */

      maxbandwidth1 = 0;
      avebandwidth1 = 0;
      for (i = 0; i < nv; i++) {
	int off = offset[i];
	int curid = i;
	for (j = 0; j < nadj[i]; j++) {
	  int adjid = adj[off+j];
	  int diff = abs(adjid-curid);
	  maxbandwidth1 = (diff > maxbandwidth1) ? diff : maxbandwidth1;
	  avebandwidth1 += diff;
	  nconn++;
	}
      }
      nconn = offset[nv-1]+nadj[nv-1];
      avebandwidth1 /= nconn;

      fprintf(stderr,
	      "Ave vertex ID difference on elements before renumbering: %-lf\n",
	      avebandwidth1);
      fprintf(stderr,
	      "Max vertex ID difference on elements before renumbering: %-d\n",
	      maxbandwidth1);
    
      fprintf(stderr,"\n");

      newmap = (int *) malloc(nv*sizeof(int));
      Graph_Renumber_GPS(nv, MV_ID(v0)-1, nadj, adj, newmap, &depth, &maxwidth);


      /* Compute bandwidth after renumbering */

      maxbandwidth2 = 0;
      avebandwidth2 = 0;
      for (i = 0; i < nv; i++) {
	int off = offset[i];
	int curid = newmap[i];
	for (j = 0; j < nadj[i]; j++) {
	  int adjid = newmap[adj[off+j]];
	  int diff = abs(adjid-curid);
	  maxbandwidth2 = (diff > maxbandwidth2) ? diff : maxbandwidth2;
	  avebandwidth2 += diff;
	  nconn++;
	}
      }
      nconn = offset[nv-1]+nadj[nv-1];
      avebandwidth2 /= nconn;


      if (maxbandwidth2 < maxbandwidth1 && avebandwidth2 < avebandwidth1) {

        /* Renumber */
      
        idx = 0; i = 0;
        while ((mv = MESH_Next_Vertex(mesh,&idx))) {
          MV_Set_ID(mv,newmap[i]+1);
          i++;
        }

        fprintf(stderr,
                "Ave vertex ID difference on elements after renumbering: %-lf\n",
                avebandwidth2);
        fprintf(stderr,
                "Max vertex ID difference on elements after renumbering: %-d\n",
                maxbandwidth2);    
      }
      else {
        nv = 0;
        idx = 0; 
        while ((mv = MESH_Next_Vertex(mesh,&idx)))
          MV_Set_ID(mv,++nv);

        fprintf(stderr,"Bandwidth did not improve. Keeping old numbering with gaps eliminated\n");
      }
      fprintf(stderr,"\n\n\n");
      
      free(nadj);
      free(adj);
      free(offset);
      free(newmap);

    }
 



    /* Reorder edges according to a breadth first algorithm applied to
       edges (differs from RCM in that it does not add adjacent nodes
       in ascending order of their valence) */

    if (mtype == MEDGE || mtype == MALLTYPE) {
      int ne = MESH_Num_Edges(mesh);
      MEdge_ptr ve;
      List_ptr elist;

      /************************* renumbering code ****************************/

      ne = MESH_Num_Edges(mesh);

      if (mtype == MALLTYPE) { 

	/* RCM algorithm already applied on the vertices. Use an edge
	   connected to the starting vertex as the first edge */

	List_ptr vedges = MV_Edges(v0);
	e0 = List_Entry(vedges,0);
	List_Delete(vedges);
      }
      else {
	/* Find the edge whose mid point is a minimum point */
	minx = miny = minz = 1.0e+12;
	e0 = NULL;
	idx = 0;
	while ((me = MESH_Next_Edge(mesh,&idx))) {
          double exyz[2][3];

	  MV_Coords(ME_Vertex(me,0),exyz[0]);
	  MV_Coords(ME_Vertex(me,1),exyz[1]);
	  xyz[0] = (exyz[0][0]+exyz[1][0])/2.0;
	  xyz[1] = (exyz[0][1]+exyz[1][1])/2.0;
	  xyz[2] = (exyz[0][2]+exyz[1][2])/2.0;
	  if (xyz[0] < minx && xyz[1] < miny && xyz[2] < minz) {
	    minx = xyz[0];
	    miny = xyz[1];
	    minz = xyz[2];
	    e0 = me;
	  }
	}
      }


      nadj = (int *) malloc(ne*sizeof(int));
      nalloc = ne*5;
      adj = (int *) malloc(nalloc*sizeof(int));

      if (!MESH_Num_Regions(mesh)) {
        int nentries = 0;
        i = 0;
        idx = 0;
        while ((me = MESH_Next_Edge(mesh,&idx))) {
          List_ptr efaces, adjelist;
          MFace_ptr ef;
          MEdge_ptr adje;

          adjelist = List_New(0);
          efaces = ME_Faces(me);
          idx2 = 0;
          while ((ef = List_Next_Entry(efaces,&idx2))) {
            List_ptr fedges = MF_Edges(ef,1,0);
            idx3 = 0;
            while ((adje = List_Next_Entry(fedges,&idx3))) {
              if (adje != me) {
                int emarked;
#ifdef MSTK_USE_MARKERS
                emarked = MEnt_IsMarked(adje,mkid);
#else
                MEnt_Get_AttVal(adje, mkatt, &emarked, &rval, &pval);
#endif
                if (!emarked) {
                  List_Add(adjelist,adje);
#ifdef MSTK_USE_MARKERS
                  MEnt_Mark(adje,mkid);
#else
                  MEnt_Set_AttVal(adje, mkatt, 1, 0.0, NULL);
#endif
                }
              }
            }
            List_Delete(fedges);
          }
          List_Delete(efaces);
#ifdef MSTK_USE_MARKERS
          List_Unmark(adjelist,mkid);
#endif

          nadj[i] = List_Num_Entries(adjelist);

          if (nentries+nadj[i] > nalloc) {
            nalloc *= 2;
            adj = (int *) realloc(adj,nalloc*sizeof(int));
          }

          idx2 = 0;
          while ((adje = List_Next_Entry(adjelist,&idx2)))
            adj[nentries++] = ME_ID(adje)-1;

          List_Delete(adjelist);
          i++;
        }
      }
      else {
        int nentries = 0;
        i = 0;
        idx = 0;
        while ((me = MESH_Next_Edge(mesh,&idx))) {
          List_ptr eregions, adjelist;
          MRegion_ptr er;
          MEdge_ptr adje;

          adjelist = List_New(0);
          eregions = ME_Regions(me);
          idx2 = 0;
          while ((er = List_Next_Entry(eregions,&idx2))) {
            List_ptr redges = MR_Edges(er);
            idx3 = 0;
            while ((adje = List_Next_Entry(redges,&idx3))) {
              if (adje != me) {
                int emarked;
#ifdef MSTK_USE_MARKERS
                emarked = MEnt_IsMarked(adje,mkid);
#else
                MEnt_Get_AttVal(adje, mkatt, &emarked, &rval, &pval);
#endif
                if (!emarked) {
                  List_Add(adjelist,adje);
#ifdef MSTK_USE_MARKERS
                  MEnt_Mark(adje,mkid);
#else
                  MEnt_Set_AttVal(adje, mkatt, 1, 0.0, NULL);
#endif
                }
              }
            }
            List_Delete(redges);
          }
          List_Delete(eregions);
#ifdef MSTK_USE_MARKERS
          List_Unmark(adjelist,mkid);
#endif
          
          nadj[i] = List_Num_Entries(adjelist);
          
          if (nentries+nadj[i] > nalloc) {
            nalloc *= 2;
            adj = (int *) realloc(adj,nalloc*sizeof(int));
          }
          
          idx2 = 0;
          while ((adje = List_Next_Entry(adjelist,&idx2)))
            adj[nentries++] = ME_ID(adje)-1;
          
          List_Delete(adjelist);
          i++;
        }
      }

      /* Compute offsets into adj array */

      offset = (int *) malloc(ne*sizeof(int));
      offset[0] = 0;
      for (i = 1; i < ne; i++)
        offset[i] = offset[i-1] + nadj[i-1];


      /* Compute maximum bandwidth before renumbering */

      maxbandwidth1 = 0;
      avebandwidth1 = 0;
      for (i = 0; i < ne; i++) {
        int off = offset[i];
        int curid = i;
        for (j = 0; j < nadj[i]; j++) {
          int adjid = adj[off+j];
          int diff = abs(adjid-curid);
          maxbandwidth1 = (diff > maxbandwidth1) ? diff : maxbandwidth1;
          avebandwidth1 += diff;
          nconn++;
        }
      }
      nconn = offset[ne-1]+nadj[ne-1];
      avebandwidth1 /= nconn;

      fprintf(stderr,
              "Ave edge ID difference on elements before renumbering: %-lf\n",
              avebandwidth1);
      fprintf(stderr,
              "Max edge ID difference on elements before renumbering: %-d\n",
              maxbandwidth1);
    
      fprintf(stderr,"\n");


      /* Call Graph Renumbering algorithm */

      newmap = (int *) malloc(ne*sizeof(int));
      Graph_Renumber_GPS(ne, ME_ID(e0)-1, nadj, adj, newmap, &depth, &maxwidth);


      /* Compute bandwidth after renumbering */

      maxbandwidth2 = 0;
      avebandwidth2 = 0;
      for (i = 0; i < ne; i++) {
        int off = offset[i];
        int curid = newmap[i];
        for (j = 0; j < nadj[i]; j++) {
          int adjid = newmap[adj[off+j]];
          int diff = abs(adjid-curid);
          maxbandwidth2 = (diff > maxbandwidth2) ? diff : maxbandwidth2;
          avebandwidth2 += diff;
          nconn++;
        }
      }
      nconn = offset[ne-1]+nadj[ne-1];
      avebandwidth2 /= nconn;

      if (maxbandwidth2 < maxbandwidth1 && avebandwidth2 < avebandwidth1) {
        /* Renumber */
      
        idx = 0; i = 0;
        while ((me = MESH_Next_Edge(mesh,&idx))) {
          ME_Set_ID(me,newmap[i]+1);
          i++;
        }

        fprintf(stderr,
                "Ave edge ID difference on elements after renumbering: %-lf\n",
                avebandwidth2);
        fprintf(stderr,
                "Max edge ID difference on elements after renumbering: %-d\n",
                maxbandwidth2);
        
      }
      else {
        ne = 0;
        idx = 0; 
        while ((me = MESH_Next_Edge(mesh,&idx)))
          ME_Set_ID(me,++ne);

        fprintf(stderr,"Bandwidth did not improve. Keeping old numbering with gaps eliminated\n");
      }
      fprintf(stderr,"\n\n\n");


      free(nadj);
      free(adj);
      free(offset);
      free(newmap);

    }


    /* Reorder faces according to a breadth first algorithm applied to
       edges (differs from RCM in that it does not add adjacent graph nodes
       in ascending order of their valence) */

    if (mtype == MFACE || mtype == MALLTYPE) {      
      int nf = MESH_Num_Faces(mesh);

      if (mtype == MALLTYPE) { 

        /* RCM algorithm already applied on the vertices. Use an edge
           connected to the starting vertex as the first edge */

        List_ptr vfaces = MV_Faces(v0);
        f0 = List_Entry(vfaces,0);
        List_Delete(vfaces);
      }
      else {
        /* Find the face whose mid point is a minimum point */
        minx = miny = minz = 1.0e+12;
        f0 = NULL;
        idx = 0;
        while ((mf = MESH_Next_Face(mesh,&idx))) {
          double fxyz[MAXPV2][3];
          int nfv;

          MF_Coords(mf,&nfv,fxyz);
          xyz[0] = fxyz[0][0];
          xyz[1] = fxyz[0][1];
          xyz[2] = fxyz[0][2];
          for (i = 1; i < nfv; i++) {
            xyz[0] += fxyz[i][0];
            xyz[1] += fxyz[i][1];
            xyz[2] += fxyz[i][2];
          }
          xyz[0] /= nfv; xyz[1] /= nfv; xyz[2] /= nfv;
          if (xyz[0] < minx && xyz[1] < miny && xyz[2] < minz) {
            minx = xyz[0];
            miny = xyz[1];
            minz = xyz[2];
            f0 = mf;
          }
        }
      }


      nadj = (int *) malloc(nf*sizeof(int));
      nalloc = nf*5;
      adj = (int *) malloc(nalloc*sizeof(int));

      if (!MESH_Num_Regions(mesh)) {
        int nentries = 0;
        i = 0;
        idx = 0;
        while ((mf = MESH_Next_Face(mesh,&idx))) {
          List_ptr vfaces, fverts, adjflist;
          MFace_ptr vf, adjf;
          MVertex_ptr fv;

          adjflist = List_New(0);
          fverts = MF_Vertices(mf,1,0);
          idx2 = 0;
          while ((fv = List_Next_Entry(fverts,&idx2))) {
            List_ptr vfaces = MV_Faces(fv);
            idx3 = 0;
            while ((adjf = List_Next_Entry(vfaces,&idx3))) {
              if (adjf != mf) {
                int fmarked;
#ifdef MSTK_USE_MARKERS
                fmarked = MEnt_IsMarked(adjf,mkid);
#else
                MEnt_Get_AttVal(adjf, mkatt, &fmarked, &rval, &pval);
#endif
                if (fmarked) {
                  List_Add(adjflist,adjf);
#ifdef MSTK_USE_MARKERS                  
                  MEnt_Mark(adjf,mkid);
#else
                  MEnt_Set_AttVal(adjf, mkatt, 1, 0.0, NULL);
#endif
                }
              }
            }	    
            List_Delete(vfaces);
          }
          List_Delete(fverts);
#ifdef MSTK_USE_MARKERS
          List_Unmark(adjflist,mkid);
#endif

          nadj[i] = List_Num_Entries(adjflist);

          if (nentries+nadj[i] > nalloc) {
            nalloc *= 2;
            adj = (int *) realloc(adj,nalloc*sizeof(int));
          }

          idx2 = 0;
          while ((adjf = List_Next_Entry(adjflist,&idx2)))
            adj[nentries++] = MF_ID(adjf)-1;

          List_Delete(adjflist);
          i++;
        }
      }
      else {
        int nentries = 0;
        i = 0;
        idx = 0;
        while ((mf = MESH_Next_Face(mesh,&idx))) {
          List_ptr fregions, adjflist;
          MRegion_ptr fr;
          MFace_ptr adjf;

          adjflist = List_New(0);
          fregions = MF_Regions(mf);
          idx2 = 0;
          while ((fr = List_Next_Entry(fregions,&idx2))) {
            List_ptr rfaces = MR_Faces(fr);
            idx3 = 0;
            while ((adjf = List_Next_Entry(rfaces,&idx3))) {
              if (adjf != mf) {
                int fmarked;
#ifdef MSTK_USE_MARKERS
                fmarked = MEnt_IsMarked(adjf,mkid);
#else
                MEnt_Get_AttVal(adjf, mkatt, &fmarked, &rval, &pval);
#endif
                if (fmarked) {
                  List_Add(adjflist,adjf);
#ifdef MSTK_USE_MARKERS                  
                  MEnt_Mark(adjf,mkid);
#else
                  MEnt_Set_AttVal(adjf, mkatt, 1, 0.0, NULL);
#endif
                }
              }
            }
            List_Delete(rfaces);
          }
          List_Delete(fregions);
#ifdef MSTK_USE_MARKERS
          List_Unmark(adjflist,mkid);
#endif

          nadj[i] = List_Num_Entries(adjflist);

          if (nentries+nadj[i] > nalloc) {
            nalloc *= 2;
            adj = (int *) realloc(adj,nalloc*sizeof(int));
          }

          idx2 = 0;
          while ((adjf = List_Next_Entry(adjflist,&idx2)))
            adj[nentries++] = MF_ID(adjf)-1;

          List_Delete(adjflist);
          i++;
        }
      }

      /* Compute offsets into adj array */

      offset = (int *) malloc(nf*sizeof(int));
      offset[0] = 0;
      for (i = 1; i < nf; i++)
        offset[i] = offset[i-1] + nadj[i-1];


      /* Compute maximum bandwidth before renumbering */

      maxbandwidth1 = 0;
      avebandwidth1 = 0;
      for (i = 0; i < nf; i++) {
        int off = offset[i];
        int curid = i;
        for (j = 0; j < nadj[i]; j++) {
          int adjid = adj[off+j];
          int diff = abs(adjid-curid);
          maxbandwidth1 = (diff > maxbandwidth1) ? diff : maxbandwidth1;
          avebandwidth1 += diff;
          nconn++;
        }
      }
      nconn = offset[nf-1]+nadj[nf-1];
      avebandwidth1 /= nconn;

      if (MESH_Num_Regions(mesh)) {
        fprintf(stderr,
                "Ave face ID difference on elements before renumbering: %-lf\n",
                avebandwidth1);
        fprintf(stderr,
                "Max face ID difference on elements before renumbering: %-d\n",
                maxbandwidth1);
      }
      else {
        fprintf(stderr,
                "Ave face ID difference before renumbering: %-lf\n",
                avebandwidth1);
        fprintf(stderr,
                "Max face ID difference before renumbering: %-d\n",
                maxbandwidth1);
      }
    
      fprintf(stderr,"\n");


      /* Call Graph Renumbering algorithm */

      newmap = (int *) malloc(nf*sizeof(int));
      Graph_Renumber_GPS(nf, MF_ID(f0)-1, nadj, adj, newmap, &depth, &maxwidth);


      /* Compute bandwidth after renumbering */

      maxbandwidth2 = 0;
      avebandwidth2 = 0;
      for (i = 0; i < nf; i++) {
        int off = offset[i];
        int curid = newmap[i];
        for (j = 0; j < nadj[i]; j++) {
          int adjid = newmap[adj[off+j]];
          int diff = abs(adjid-curid);
          maxbandwidth2 = (diff > maxbandwidth2) ? diff : maxbandwidth2;
          avebandwidth2 += diff;
          nconn++;
        }
      }
      nconn = offset[nf-1]+nadj[nf-1];
      avebandwidth2 /= nconn;


      if (maxbandwidth2 < maxbandwidth1 && avebandwidth2 < avebandwidth1) {
        /* Renumber */
      
        idx = 0; i = 0;
        while ((mf = MESH_Next_Face(mesh,&idx))) {
          MF_Set_ID(mf,newmap[i]+1);
          i++;
        }

        if (MESH_Num_Regions(mesh)) {
          fprintf(stderr,
                  "Ave face ID difference on elements after renumbering: %-lf\n",
                  avebandwidth2);
          fprintf(stderr,
                  "Max face ID difference on elements after renumbering: %-d\n",
                  maxbandwidth2);
        }
        else {
          fprintf(stderr,
                  "Ave face ID difference after renumbering: %-lf\n",
                  avebandwidth2);
          fprintf(stderr,
                  "Max face ID difference after renumbering: %-d\n",
                  maxbandwidth2);
        }
    
      }
      else {
        nf = 0;
        idx = 0; 
        while ((mf = MESH_Next_Face(mesh,&idx)))
          MF_Set_ID(mf,++nf);

        fprintf(stderr,"Bandwidth did not improve. Keeping old numbering with gaps eliminated\n");
      }
      fprintf(stderr,"\n\n\n");

      free(nadj);
      free(adj);
      free(offset);
      free(newmap);
    }


    if (mtype == MREGION || mtype == MALLTYPE) {
      int nr = MESH_Num_Regions(mesh);

      if (nr) {

        if (mtype == MALLTYPE) { 

          /* Renumbering algorithm already applied on the vertices. Use
             a region connected to the starting vertex as the first
             region */

          List_ptr vregions = MV_Regions(v0);
          r0 = List_Entry(vregions,0);
          List_Delete(vregions);
        }
        else {
          /* Find the region whose center point is a minimum point */
          minx = miny = minz = 1.0e+12;
          r0 = NULL;
          idx = 0;
          while ((mr = MESH_Next_Region(mesh,&idx))) {
            double rxyz[MAXPV3][3];
            int nrv;

            MR_Coords(mr,&nrv,rxyz);
            xyz[0] = rxyz[0][0];
            xyz[1] = rxyz[0][1];
            xyz[2] = rxyz[0][2];
            for (i = 1; i < nrv; i++) {
              xyz[0] += rxyz[i][0];
              xyz[1] += rxyz[i][1];
              xyz[2] += rxyz[i][2];
            }
            xyz[0] /= nrv; xyz[1] /= nrv; xyz[2] /= nrv;
            if (xyz[0] < minx && xyz[1] < miny && xyz[2] < minz) {
              minx = xyz[0];
              miny = xyz[1];
              minz = xyz[2];
              r0 = mr;
            }
          }
        }


        nadj = (int *) malloc(nr*sizeof(int));
        nalloc = nr*5;
        adj = (int *) malloc(nalloc*sizeof(int));

        int nentries = 0;
        i = 0;
        idx = 0;
        while ((mr = MESH_Next_Region(mesh,&idx))) {
          List_ptr vregions, rverts, adjrlist;
          MRegion_ptr vr, adjr;
          MVertex_ptr rv;

          adjrlist = List_New(0);
          rverts = MR_Vertices(mr);
          idx2 = 0;
          while ((rv = List_Next_Entry(rverts,&idx2))) {
            List_ptr vregions = MV_Regions(rv);
            idx3 = 0;
            while ((adjr = List_Next_Entry(vregions,&idx3))) {
              if (adjr != mr) {
                int rmarked;
#ifdef MSTK_USE_MARKERS
                rmarked = MEnt_IsMarked(adjr,mkid);
#else
                MEnt_Get_AttVal(adjr, mkatt, &rmarked, &rval, &pval);
#endif
                List_Add(adjrlist,adjr);
#ifdef MSTK_USE_MARKERS
                MEnt_Mark(adjr,mkid);
#else
                MEnt_Set_AttVal(adjr, mkatt, 1, 0.0, NULL);
#endif
              }
            }	    
            List_Delete(vregions);
          }
          List_Delete(rverts);
#ifdef MSTK_USE_MARKERS
          List_Unmark(adjrlist,mkid);
#endif

          nadj[i] = List_Num_Entries(adjrlist);

          if (nentries+nadj[i] > nalloc) {
            nalloc *= 2;
            adj = (int *) realloc(adj,nalloc*sizeof(int));
          }

          idx2 = 0;
          while ((adjr = List_Next_Entry(adjrlist,&idx2)))
            adj[nentries++] = MR_ID(adjr)-1;

          List_Delete(adjrlist);
          i++;
        }

        /* Compute offsets into adj array */

        offset = (int *) malloc(nr*sizeof(int));
        offset[0] = 0;
        for (i = 1; i < nr; i++)
          offset[i] = offset[i-1] + nadj[i-1];


        /* Compute maximum bandwidth before renumbering */

        maxbandwidth1 = 0;
        avebandwidth1 = 0;
        for (i = 0; i < nr; i++) {
          int off = offset[i];
          int curid = i;
          for (j = 0; j < nadj[i]; j++) {
            int adjid = adj[off+j];
            int diff = abs(adjid-curid);
            maxbandwidth1 = (diff > maxbandwidth1) ? diff : maxbandwidth1;
            avebandwidth1 += diff;
            nconn++;
          }
        }
        nconn = offset[nr-1]+nadj[nr-1];
        avebandwidth1 /= nconn;

        fprintf(stderr,
                "Ave region ID difference before renumbering: %-lf\n",
                avebandwidth1);
        fprintf(stderr,
                "Max region ID difference before renumbering: %-d\n",
                maxbandwidth1);
    
        fprintf(stderr,"\n");


        /* Call Graph Renumbering algorithm */

        newmap = (int *) malloc(nr*sizeof(int));
        Graph_Renumber_GPS(nr, MR_ID(r0)-1, nadj, adj, newmap, &depth, &maxwidth);

        /* Compute bandwidth after renumbering */

        maxbandwidth2 = 0;
        avebandwidth2 = 0;
        for (i = 0; i < nr; i++) {
          int off = offset[i];
          int curid = newmap[i];
          for (j = 0; j < nadj[i]; j++) {
            int adjid = newmap[adj[off+j]];
            int diff = abs(adjid-curid);
            maxbandwidth2 = (diff > maxbandwidth2) ? diff : maxbandwidth2;
            avebandwidth2 += diff;
            nconn++;
          }
        }
        nconn = offset[nr-1]+nadj[nr-1];
        avebandwidth2 /= nconn;

        if (maxbandwidth2 < maxbandwidth1 && avebandwidth2 < avebandwidth1) {

          /* Renumber */
      
          idx = 0; i = 0;
          while ((mr = MESH_Next_Region(mesh,&idx))) {
            MR_Set_ID(mr,newmap[i]+1);
            i++;
          }

          fprintf(stderr,
                  "Ave region ID difference after renumbering: %-lf\n",
                  avebandwidth2);
          fprintf(stderr,
                  "Max region ID difference after renumbering: %-d\n",
                  maxbandwidth2);
    
        }
        else {
          nr = 0;
          idx = 0; 
          while ((mr = MESH_Next_Region(mesh,&idx)))
            MR_Set_ID(mr,++nr);

          fprintf(stderr,"Bandwidth did not improve. Keeping old numbering with gaps eliminated\n");
        }
        fprintf(stderr,"\n\n\n");


        free(nadj);
        free(adj);
        free(offset);
        free(newmap);
      }
    }

#ifdef MSTK_USE_MARKERS
    MSTK_FreeMarker(mkid);
#endif
  }
  

  vidatt = MAttrib_New(mesh,"vidrcm",INT,MVERTEX);
  idx = 0;
  while ((mv = MESH_Next_Vertex(mesh,&idx))) {
    MEnt_Set_AttVal(mv,vidatt,MV_ID(mv),0.0,NULL);
  }
 

  /* We have to reset the max IDs stored in the mesh so that we can correctly
     assign IDs to new entities */

  MESH_Reset_Cached_MaxIDs(mesh);

  return;
}
Beispiel #4
0
int main(int argc, char **argv) {
  int len, ok;
  int i, j, id, idx, ncells, file_found;
  int num_parts, imethod;
  int nproc, rank;  
  Mesh_ptr mesh;
  char basename[256], meshname[256], gmvfilename[256], method[256];


  if (argc == 1) {
    fprintf(stderr,"Usage: %s --num=num_parts --method=Metis/Zoltan (default=Metis) --file=name.mstk\n",argv[0]);
    exit(-1);    
  }

  file_found = 0;
  num_parts = 4;
  strcpy(method,"Metis");
  for (i = 1; i < argc; i++) {
    if (strncmp(argv[i],"--file=",7) == 0) {
      sscanf(argv[i]+7,"%s",meshname);
      file_found = 1;
    }
    else if (strncmp(argv[i],"--num=",6) == 0)
      sscanf(argv[i]+6,"%d",&num_parts);
    else if (strncmp(argv[i],"--method=",9) == 0) 
      sscanf(argv[i]+9,"%s",method);
    else if (strncmp(argv[i],"--help",6) == 0) {
      fprintf(stderr,"Usage: %s --num=num_parts --method=Metis/Zoltan (default=Metis) --file=name.mstk\n",argv[0]);
      exit(-1);    
    }      
  }

  if (strncasecmp(method,"metis",5) == 0)
    imethod = 0;
  else if (strncasecmp(method,"zoltan",6) == 0)
    imethod = 1;
  else {
    fprintf(stderr,"vizpart: Partitioning method not recognized\n");
    exit(-1);
  }

  if (!file_found) {
    fprintf(stderr,"Must specify input filename using --file argument\n");
    exit(-1);
  }


  MPI_Init(&argc,&argv);
      
  MSTK_Init();

  MSTK_Comm comm = MPI_COMM_WORLD;

  MPI_Comm_size(comm,&nproc);
  MPI_Comm_rank(comm,&rank);

  if (imethod == 1 && nproc != num_parts) {
    fprintf(stderr,"Zoltan based partitioner: Number of processors must equal requested number of partition\n");
    exit(-1);
  }

  
  strcpy(basename,meshname);
  len = strlen(meshname);
  if (len > 5 && strncmp(&(meshname[len-5]),".mstk",5) == 0)
    basename[len-5] = '\0';
  else
    strcat(meshname,".mstk");

  mesh = MESH_New(UNKNOWN_REP);

  if (rank == 0) {

    ok = MESH_InitFromFile(mesh,meshname,comm);
    if (!ok) {
      fprintf(stderr,"Cannot file input file %s\n\n\n",meshname);
      exit(-1);
    }

    if ( (ncells = MESH_Num_Regions(mesh)) > 0) {
      printf("3D mesh with %d regions\n", ncells);
    }
    else if ( (ncells = MESH_Num_Faces(mesh)) > 0)
      printf("2D mesh with %d faces\n", ncells);
    else {
      fprintf(stderr,"Mesh is neither solid nor surface mesh. Exiting...\n");
      exit(-1);
    }
  }

  Mesh_ptr *submeshes = (Mesh_ptr*) malloc(num_parts*sizeof(Mesh_ptr));
  int *part;
  MESH_Get_Partitioning(mesh, imethod, &part, comm);

  if(rank == 0) {

    int del_inmesh = 0;
    MESH_Partition(mesh, num_parts, part, submeshes);

    idx = 0;
    if(MESH_Num_Regions(mesh)) {
      MAttrib_ptr region_part = MAttrib_New(mesh, "part", INT, MREGION);
      MRegion_ptr mr;
      while ((mr = MESH_Next_Region(mesh, &idx))) {
        id = MR_ID(mr);
	MEnt_Set_AttVal(mr,region_part,part[id-1],0,NULL);
      }
    }
    else {
      MAttrib_ptr face_part = MAttrib_New(mesh, "part", INT, MFACE);
      MFace_ptr mf;
      while ((mf = MESH_Next_Face(mesh, &idx))) {
        id = MF_ID(mf);
	MEnt_Set_AttVal(mf,face_part,part[idx-1],0,NULL);
      }
    }

    sprintf(gmvfilename,"%s_part.gmv",basename);
    MESH_ExportToGMV(mesh,gmvfilename,0,NULL,NULL,comm);
    for( i = 0; i < num_parts; i++) {
      sprintf(gmvfilename,"%s_part.%04d.%04d.gmv",basename,i,0);
      MESH_ExportToGMV(submeshes[i],gmvfilename,0,NULL,NULL,comm);
    }

    for (i = 0; i < num_parts; i++)
      MESH_Delete(submeshes[i]);
  }


  free(submeshes);
  MESH_Delete(mesh);
  free(part);

  MPI_Finalize();
  return 1;
}
Beispiel #5
0
  int MESH_ConcatSubMesh_Region(Mesh_ptr mesh, int num, Mesh_ptr *submeshes) {
    int nrf, nre, nrv, nfe, i, j, k, num_parbndry_verts, num_parbndry_edges, num_parbndry_faces, ival;
    MVertex_ptr mv, new_mv, sub_mv;
    MEdge_ptr me, new_me, sub_me;
    MFace_ptr mf, new_mf, sub_mf;
    MRegion_ptr new_mr, sub_mr;
    List_ptr mrfaces, mredges, mrverts, mfedges;
    int add_region, idx, global_id, iloc, *loc;
    double coor[3], rval;
    void *pval;
    Mesh_ptr submesh;

    List_ptr parbndry_verts = List_New(10);        
    List_ptr parbndry_edges = List_New(10);
    List_ptr parbndry_faces = List_New(10);

    MFace_ptr *rfaces = (MFace_ptr *) malloc(MAXPF3*sizeof(MFace_ptr));
    int *rfdirs = (int *) malloc(MAXPF3*sizeof(int));
    MEdge_ptr *fedges = (MEdge_ptr *) malloc(MAXPV2*sizeof(MEdge_ptr));
    int *fedirs = (int *) malloc(MAXPV2*sizeof(int));

    MAttrib_ptr parbndryatt = MAttrib_New(mesh, "on_parbndry", INT, MVERTEX);
    
    /* collect faces, edges and vertices on the partition boundary */
    idx = 0; num_parbndry_faces = 0;
    while ((mf = MESH_Next_Face(mesh,&idx))) 
      if (MF_PType(mf) != PINTERIOR) {
        List_Add(parbndry_faces,mf);
        num_parbndry_faces++;
      }
    idx = 0; num_parbndry_edges = 0;
    while ((me = MESH_Next_Edge(mesh,&idx))) 
      if (ME_PType(me) != PINTERIOR) {
        List_Add(parbndry_edges,me);
        num_parbndry_edges++;
      }
    idx = 0; num_parbndry_verts = 0;
    while ((mv = MESH_Next_Vertex(mesh,&idx)))
      if (MV_PType(mv) != PINTERIOR) {
        List_Add(parbndry_verts,mv);
        MEnt_Set_AttVal(mv, parbndryatt, 1, 0.0, NULL);
        num_parbndry_verts++;
      }
    
    /* sort based on global ID */
    List_Sort(parbndry_faces,num_parbndry_faces,sizeof(MFace_ptr),compareGlobalID);
    List_Sort(parbndry_edges,num_parbndry_edges,sizeof(MEdge_ptr),compareGlobalID);
    List_Sort(parbndry_verts,num_parbndry_verts,sizeof(MVertex_ptr),compareGlobalID);

    int *parbndry_vert_gids = (int *)malloc(num_parbndry_verts*sizeof(int));
    int *parbndry_edge_gids = (int *)malloc(num_parbndry_edges*sizeof(int));
    int *parbndry_face_gids = (int *)malloc(num_parbndry_faces*sizeof(int));

    /* store them in array for binary search */
    for (i = 0; i < num_parbndry_faces; i++) {
      mf = List_Entry(parbndry_faces,i);
      parbndry_face_gids[i] = MF_GlobalID(mf);
    }
    for (i = 0; i < num_parbndry_edges; i++) {
      me = List_Entry(parbndry_edges,i);
      parbndry_edge_gids[i] = ME_GlobalID(me);
    }
    for (i = 0; i < num_parbndry_verts; i++) {
      mv = List_Entry(parbndry_verts,i);
      parbndry_vert_gids[i] = MV_GlobalID(mv);
    }

   /* Make list of new edges and vertices which will be updated
       with each mesh that is concatenated */
    int max_vnew = 0, max_enew = 0, max_fnew = 0;
    for (i = 0; i < num; i++) {
      max_vnew += MESH_Num_Vertices(submeshes[i]);
      max_enew += MESH_Num_Edges(submeshes[i]);
      max_fnew += MESH_Num_Faces(submeshes[i]);
    }

    int num_new_verts = 0, num_new_edges = 0, num_new_faces = 0; 
    int *new_vert_gids = (int *) malloc(max_vnew*sizeof(int));
    int *new_edge_gids = (int *) malloc(max_enew*sizeof(int));
    int *new_face_gids = (int *) malloc(max_fnew*sizeof(int));

    List_ptr new_verts = List_New(max_vnew);
    List_ptr new_edges = List_New(max_enew);
    List_ptr new_faces = List_New(max_fnew);
  

    /* Now process each mesh and add a layer of ghost elements from
       each of them to the main partition */
       
    for (i = 0; i < num; i++) {
      submesh = submeshes[i];

      MAttrib_ptr vidatt = MAttrib_New(submesh, "tempvid", POINTER, MVERTEX);
      MAttrib_ptr eidatt = MAttrib_New(submesh, "tempeid", POINTER, MEDGE);
      MAttrib_ptr fidatt = MAttrib_New(submesh, "tempfid", POINTER, MFACE);

      idx = 0;
      while ((sub_mr = MESH_Next_Region(submesh, &idx))) {
        add_region = 0;

        /* Find matching vertices between submesh and main mesh */

        mrverts = MR_Vertices(sub_mr);
        nrv = List_Num_Entries(mrverts);
        for (j = 0; j < nrv; j++) {
          sub_mv = List_Entry(mrverts,j);

          MEnt_Get_AttVal(sub_mv, &vidatt, &ival, &rval, &mv);

          if (mv) {
            int on_parbndry=0;
            MEnt_Get_AttVal(mv, &parbndryatt, &on_parbndry, &rval, &pval);
            if (on_parbndry)
              add_region = 1; 
          } else {

            /* Does the global ID of this vertex of the sub mesh region
             * match the global ID of a boundary vertex in the main
             * mesh? */
            
            global_id = MV_GlobalID(sub_mv);
            loc = (int *) bsearch(&global_id, parbndry_vert_gids, num_parbndry_verts, sizeof(int),
                                  compareINT);
            if (loc) {
              add_region = 1; 
              iloc = loc - parbndry_vert_gids;
              mv = List_Entry(parbndry_verts,iloc); 
              /* here set the ghost vertex property, only necessary when the input submeshes are not consistent */
              if(MV_PType(mv) == PGHOST && MV_PType(sub_mv) != PGHOST) {
                MV_Set_GEntDim(mv,MV_GEntDim(sub_mv));
                MV_Set_GEntID(mv,MV_GEntID(sub_mv));
              }
              
              MEnt_Set_AttVal(sub_mv, vidatt, 0, 0.0, mv);
            }
          }
        }
        List_Delete(mrverts);

        /* Find matching edges between submesh and main mesh */

        mredges = MR_Edges(sub_mr);
        nre = List_Num_Entries(mredges);
        for (j = 0; j < nre; j++) {
          sub_me = List_Entry(mredges,j);
          
          /* Does the edge already have a counterpart in the main mesh? */
          MEnt_Get_AttVal(sub_me, eidatt, &ival, &rval, &me);

          if (!me) {
            /* Does the global ID of this edge of the sub mesh region
             * match the global ID of a boundary edge in the main
             * mesh? */
            
            global_id = ME_GlobalID(sub_me);
            loc = (int *) bsearch(&global_id, parbndry_edge_gids, num_parbndry_edges, sizeof(int),
                                  compareINT);
            if (loc) {
              add_region = 1; 
              iloc = loc - parbndry_edge_gids;
              me = List_Entry(parbndry_edges,iloc); 
              /* here set the ghost edge property, only necessary when the input submeshes are not consistent */
              if(ME_PType(me) == PGHOST && ME_PType(sub_me) != PGHOST) {
                ME_Set_GEntDim(me,ME_GEntDim(sub_me));
                ME_Set_GEntID(me,ME_GEntID(sub_me));
              }

              MEnt_Set_AttVal(sub_me, eidatt, 0, 0.0, me);
            }
          }
        }
        List_Delete(mredges);
          
        /* Find matching faces between submesh and main mesh */

        mrfaces = MR_Faces(sub_mr);
        nrf = List_Num_Entries(mrfaces);
        for (j = 0; j < nrf; j++) {
          sub_mf = List_Entry(mrfaces,j);

          MEnt_Get_AttVal(sub_mf, fidatt, &ival, &rval, &mf);

          if (!mf) {
            /* Does the global ID of this face of the sub mesh region
             * match the global ID of a boundary face in the main
             * mesh? */
            
            global_id = MF_GlobalID(sub_mf);
            loc = (int *) bsearch(&global_id, parbndry_face_gids, num_parbndry_faces, sizeof(int),
                                  compareINT);
            if (loc) {
              iloc = loc - parbndry_face_gids;
              mf = List_Entry(parbndry_faces,iloc); 
              /* here set the ghost edge property, only necessary when the input submeshes are not consistent */
              if (MF_PType(mf) == PGHOST && MF_PType(sub_mf) != PGHOST) {
                MF_Set_GEntDim(mf,MF_GEntDim(sub_mf));
                MF_Set_GEntID(mf,MF_GEntID(sub_mf));
              }

              MEnt_Set_AttVal(sub_mf, fidatt, 0, 0.0, mf);
            }
          }
        }

        if (!add_region) {
          List_Delete(mrfaces);
          continue;
        }
        
        new_mr = MR_New(mesh);                  /* add region */
        MR_Set_GEntDim(new_mr,MR_GEntDim(sub_mr));
        MR_Set_GEntID(new_mr,MR_GEntID(sub_mr));
        MR_Set_PType(new_mr,PGHOST);
        MR_Set_MasterParID(new_mr,MR_MasterParID(sub_mr));
        MR_Set_GlobalID(new_mr,MR_GlobalID(sub_mr));
	
        nrf = List_Num_Entries(mrfaces);
        int i2;
        for(i2 = 0; i2 < nrf; i2++) {
          sub_mf = List_Entry(mrfaces,i2);
          global_id = MF_GlobalID(sub_mf);
          rfdirs[i2] = MR_FaceDir_i(sub_mr,i2) == 1 ? 1 : 0;

          new_mf = NULL;
          MEnt_Get_AttVal(sub_mf, fidatt, &ival, &rval, &new_mf);

          if (!new_mf) {
            /* search in the ghost layer if another face with
             * this global ID has been added */
            loc = (int *) bsearch(&global_id, new_face_gids, num_new_faces,
                                  sizeof(int), compareINT);
            if (loc) {
              iloc = loc - new_face_gids;
              new_mf = List_Entry(new_faces, iloc);
              MEnt_Set_AttVal(sub_mf, fidatt, 0, 0.0, new_mf);
            }
          }

          if (new_mf) {
            List_ptr mfverts = MF_Vertices(sub_mf,1,0);
            int fvgid0[2];
            fvgid0[0] = MF_GlobalID(List_Entry(mfverts,0));
            fvgid0[1] = MF_GlobalID(List_Entry(mfverts,1));
            List_Delete(mfverts);

            mfverts = MF_Vertices(new_mf,1,0);
            int nfv = List_Num_Entries(mfverts);
            int fvgid1[MAXPV2];
            for (j = 0; j < nfv; j++)
              fvgid1[j] = MF_GlobalID(List_Entry(mfverts,j));
            List_Delete(mfverts);

            for (j = 0; j < nfv; j++) {
              if (fvgid1[j] == fvgid0[0]) {
                if (fvgid1[(j+nfv-1)%nfv] == fvgid0[1]) /* reverse dir */
                  rfdirs[i2] = !rfdirs[i2];
                break;
              }
            }                  
          }
          else {  /* add a new face to main mesh */
            new_mf = MF_New(mesh); /* add face */
            MF_Set_GEntDim(new_mf,MF_GEntDim(sub_mf));
            MF_Set_GEntID(new_mf,MF_GEntID(sub_mf));
            MF_Set_PType(new_mf,PGHOST);
            MF_Set_MasterParID(new_mf,MF_MasterParID(sub_mf));
            MF_Set_GlobalID(new_mf,MF_GlobalID(sub_mf));
	    
            MEnt_Set_AttVal(sub_mf, fidatt, 0, 0.0, new_mf);
            List_Add(new_faces, new_mf);
	    
            mfedges = MF_Edges(sub_mf,1,0);
            nfe = List_Num_Entries(mfedges);
            for(j = 0; j < nfe; j++) {
              sub_me = List_Entry(mfedges,j);
              global_id = ME_GlobalID(sub_me);
              
              fedirs[j] = MF_EdgeDir_i(sub_mf,j) == 1 ? 1 : 0;

              new_me = NULL;
              MEnt_Get_AttVal(sub_me, eidatt, &ival, &rval, &new_me);

              if (!new_me) {
                /* search in the ghost layer if another edge with
                 * this global ID has been added */
                loc = (int *) bsearch(&global_id, new_edge_gids, num_new_edges,
                                      sizeof(int), compareINT);
                if (loc) {
                  iloc = loc - new_edge_gids;
                  new_me = List_Entry(new_edges, iloc);
                  MEnt_Set_AttVal(sub_me, eidatt, 0, 0.0, new_me);
                }
              }
              
              if (new_me) {
                if(MV_GlobalID(ME_Vertex(new_me,0)) != MV_GlobalID(ME_Vertex(sub_me,0)))
                  fedirs[j] = 1 - fedirs[j];  /* if the edge dir is not the same, reverse the edge dir */
	      
              } else {  /* add a new edge to main mesh */
                new_me = ME_New(mesh);      /* add new edge and copy information */
                ME_Set_GEntDim(new_me,ME_GEntDim(sub_me));
                ME_Set_GEntID(new_me,ME_GEntID(sub_me));
                ME_Set_PType(new_me,PGHOST);
                ME_Set_MasterParID(new_me,ME_MasterParID(sub_me));
                ME_Set_GlobalID(new_me,ME_GlobalID(sub_me));
		
                MEnt_Set_AttVal(sub_me, eidatt, 0, 0.0, new_me);
                List_Add(new_edges, new_me);

                for(k = 0; k < 2; k++) {
                  sub_mv = ME_Vertex(sub_me,k);
                  global_id = MV_GlobalID(sub_mv);

                  new_mv = NULL;
                  MEnt_Get_AttVal(sub_mv, vidatt, &ival, &rval, &new_mv);

                  if (!new_mv) {
                    /* search in the ghost layer if another vertex with
                     * this global ID has been added */
                    loc = (int *) bsearch(&global_id, new_vert_gids, num_new_verts,
                                          sizeof(int), compareINT);
                    if (loc) {
                      iloc = loc - new_vert_gids;
                      new_mv = List_Entry(new_verts, iloc);
                      MEnt_Set_AttVal(sub_mv, vidatt, 0, 0.0, new_mv);
                    }
                  }
              
                  if (!new_mv) {  /* add new vertex to main mesh */
                    new_mv = MV_New(mesh);  /* add new vertex and copy information */
                    MV_Set_GEntDim(new_mv,MV_GEntDim(sub_mv));
                    MV_Set_GEntID(new_mv,MV_GEntID(sub_mv));
                    MV_Set_PType(new_mv,PGHOST);
                    MV_Set_MasterParID(new_mv,MV_MasterParID(sub_mv));
                    MV_Set_GlobalID(new_mv,MV_GlobalID(sub_mv));
                    MV_Coords(sub_mv,coor);
                    MV_Set_Coords(new_mv,coor);
		    
                    MEnt_Set_AttVal(sub_mv, vidatt, 0, 0.0, new_mv);
                    List_Add(new_verts, new_mv);
                  }
                  ME_Set_Vertex(new_me,k,new_mv);  /* set edge-vertex */
                }
              }							
              fedges[j] = new_me;
            }
            MF_Set_Edges(new_mf,nfe,fedges,fedirs); /* set face-edge */
            List_Delete(mfedges);
          }
          rfaces[i2] = new_mf;
        }
        MR_Set_Faces(new_mr,nrf,rfaces,rfdirs); /* set region-face */

        List_Delete(mrfaces);
      }

      idx = 0;
      while ((sub_mv = MESH_Next_Vertex(submesh, &idx)))
	MEnt_Rem_AttVal(sub_mv, vidatt);
      MAttrib_Delete(vidatt);
      idx = 0;
      while ((sub_me = MESH_Next_Edge(submesh, &idx)))
	MEnt_Rem_AttVal(sub_me, eidatt);
      MAttrib_Delete(eidatt);
      idx = 0;
      while ((sub_mf = MESH_Next_Face(submesh, &idx)))
	MEnt_Rem_AttVal(sub_mf, fidatt);
      MAttrib_Delete(fidatt);

      /* Sort the added entity lists by GlobalID */
      num_new_faces = List_Num_Entries(new_faces);
      List_Sort(new_faces, num_new_faces, sizeof(MFace_ptr), compareGlobalID);
      for (j = 0; j < num_new_faces; j++)
        new_face_gids[j] = MF_GlobalID(List_Entry(new_faces, j));

      num_new_edges = List_Num_Entries(new_edges);
      List_Sort(new_edges, num_new_edges, sizeof(MEdge_ptr), compareGlobalID);
      for (j = 0; j < num_new_edges; j++)
        new_edge_gids[j] = ME_GlobalID(List_Entry(new_edges, j));

      num_new_verts = List_Num_Entries(new_verts);
      List_Sort(new_verts, num_new_verts, sizeof(MVertex_ptr), compareGlobalID);
      for (j = 0; j < num_new_verts; j++)
        new_vert_gids[j] = MV_GlobalID(List_Entry(new_verts, j));
      
    }      

    idx = 0;
    while ((mv = List_Next_Entry(parbndry_verts, &idx)))
      MEnt_Rem_AttVal(mv, parbndryatt);
    MAttrib_Delete(parbndryatt);
    
    List_Delete(parbndry_faces);
    List_Delete(parbndry_edges);
    List_Delete(parbndry_verts);
    List_Delete(new_faces);
    List_Delete(new_edges);
    List_Delete(new_verts);

    free(parbndry_vert_gids);
    free(parbndry_edge_gids);
    free(parbndry_face_gids);
    free(new_face_gids);
    free(new_edge_gids);
    free(new_vert_gids);
    free(fedges);
    free(fedirs);
    free(rfaces);
    free(rfdirs);

    return 1;
  }
Beispiel #6
0
  int MESH_WriteToFile(Mesh_ptr mesh, const char *filename, RepType rtype, MSTK_Comm comm) {
  FILE *fp;
  char mesg[80], attname[256];
  int i, j, k, idx;
  int gdim, gid;
  int mvid, mvid0, mvid1, mvid2, mrid2, meid, mfid, mrid;
  int nav, nar, nfe, nfv, nrf, nrv, dir=0;
  int nv, ne, nf, nr;
  int natt, ncomp, ival, nent;
  double xyz[3], rval, rdummy, *rval_arr;
  void *pval, *pdummy;
  MVertex_ptr mv, mv0, mv1, mv2;
  MEdge_ptr me;
  MFace_ptr mf;
  MRegion_ptr mr, mr2;
  List_ptr adjverts, mfedges, mfverts, mrfaces, mrverts, adjregs;
  RepType reptype;
  MAttrib_ptr attrib, vidatt, eidatt, fidatt, ridatt;
  MType attentdim;
  MAttType atttype;

  char modfilename[256];
  strcpy(modfilename, filename);
  
  int rank = 0, numprocs = 1;
#ifdef MSTK_HAVE_MPI
  if (comm) {
    MPI_Comm_size((MPI_Comm)comm, &numprocs);
    MPI_Comm_rank((MPI_Comm)comm, &rank);
  }
  if (numprocs > 1) {
    int ndigits = 0;
    int div = 1;
    while (numprocs/div) {div *= 10; ndigits++;}
    sprintf(modfilename,"%s.%d.%0*d",filename,numprocs,ndigits,rank);
  }
#endif
  
  if (!(fp = fopen(modfilename,"w"))) {
    sprintf(mesg,"Cannot open file %-s for writing",modfilename);
    MSTK_Report("MESH_WriteToFile",mesg,MSTK_ERROR);
    return 0;
  }

  if (rtype != UNKNOWN_REP) {
    reptype = rtype;
  }
  else {
    reptype = MESH_RepType(mesh);
  }

  nv = MESH_Num_Vertices(mesh);
  ne = MESH_Num_Edges(mesh);
  nf = MESH_Num_Faces(mesh);
  nr = MESH_Num_Regions(mesh);

  fprintf(fp,"MSTK %-2.1lf\n",MSTK_FILE_VER);
  fprintf(fp,"%s %d %d %d %d\n",
	  MESH_rtype_str[reptype], 
	  nv, 
	  (reptype >= R1 && reptype <= R4)?0:ne, 
	  (reptype >= R1 && reptype <= R2 && nr)?0:nf, 
	  nr);

  vidatt = MAttrib_New(mesh,"vidatt",INT,MVERTEX);
  eidatt = MAttrib_New(mesh,"eidatt",INT,MEDGE);
  fidatt = MAttrib_New(mesh,"fidatt",INT,MFACE);
  ridatt = MAttrib_New(mesh,"ridatt",INT,MREGION);

  idx = 0; i = 0;
  while ((mv = MESH_Next_Vertex(mesh,&idx)))
    MEnt_Set_AttVal(mv,vidatt,++i,0.0,NULL);

  idx = 0; i = 0;
  while ((me = MESH_Next_Edge(mesh,&idx)))
    MEnt_Set_AttVal(me,eidatt,++i,0.0,NULL);

  idx = 0; i = 0;
  while ((mf = MESH_Next_Face(mesh,&idx)))
    MEnt_Set_AttVal(mf,fidatt,++i,0.0,NULL);

  idx = 0; i = 0;
  while ((mr = MESH_Next_Region(mesh,&idx)))
    MEnt_Set_AttVal(mr,ridatt,++i,0.0,NULL);
  
  
  fprintf(fp,"vertices\n");
  idx = 0;
  while ((mv = MESH_Next_Vertex(mesh,&idx))) {

    MV_Coords(mv,xyz);

    gdim = MV_GEntDim(mv);
    gid = MV_GEntID(mv);

    fprintf(fp,"%24.16lf %24.16lf %24.16lf   %d %d\n",
	    xyz[0],xyz[1],xyz[2],gdim,gid);
    
  }

  if (reptype == R2 || reptype == R4) {
    fprintf(fp,"adjvertices\n");

    idx = 0;
    while ((mv = MESH_Next_Vertex(mesh,&idx))) {

      nav = MV_Num_AdjVertices(mv);
      fprintf(fp,"%d ",nav);
      
      adjverts = MV_AdjVertices(mv);
      for (j = 0; j < nav; j++) {
	mv2 = List_Entry(adjverts,j);
	MEnt_Get_AttVal(mv2,vidatt,&mvid2,&rval,&pval);
	fprintf(fp,"%d ",mvid2);
      }
      fprintf(fp,"\n");
      List_Delete(adjverts);
    }
  }



  if (reptype <= F4 && ne) {
    fprintf(fp,"edges\n");

    idx = 0;
    while ((me = MESH_Next_Edge(mesh,&idx))) {

      mv0 = ME_Vertex(me,0);
      MEnt_Get_AttVal(mv0,vidatt,&mvid0,&rval,&pval);
      mv1 = ME_Vertex(me,1);
      MEnt_Get_AttVal(mv1,vidatt,&mvid1,&rval,&pval);

      gdim = ME_GEntDim(me);
      gid = ME_GEntID(me);

      fprintf(fp,"%d %d \t%d %d\n",mvid0,mvid1,gdim,gid);
    }
  }



  if (reptype <= F4) {

    /* For full representations, always write out faces in terms of edges */

    fprintf(fp,"faces edge\n");
    
    idx = 0;
    while ((mf = MESH_Next_Face(mesh,&idx))) {
      
      nfe = MF_Num_Edges(mf);
      fprintf(fp,"%d ",nfe);
      
      mfedges = MF_Edges(mf,1,0);
      for (j = 0; j < nfe; j++) {
	me = List_Entry(mfedges,j);
	dir = MF_EdgeDir_i(mf,j);
	MEnt_Get_AttVal(me,eidatt,&meid,&rval,&pval);
	if (dir != 1) meid = -meid;
	fprintf(fp,"%d ",meid);
      }
      List_Delete(mfedges);
      
      gdim = MF_GEntDim(mf);
      /*
	gent = MF_GEntity(mf);
	gid = gent ? -99 : 0;
      */
      gid = MF_GEntID(mf);
      
      fprintf(fp,"\t%d %d\n",gdim,gid);
    }
  }
  else {

    /* For reduced representations, R3 and R4 always write out faces
       in terms of vertices. For reduced representations, R1 and R2
       write out faces in terms of vertices only when there are no
       regions (i.e. faces are the highest level mesh entities) */

    if ((reptype > R2) || (nr == 0)) {

      fprintf(fp,"faces vertex\n");

      idx = 0;
      while ((mf = MESH_Next_Face(mesh,&idx))) {
	
	nfv = MF_Num_Edges(mf);
	fprintf(fp,"%d ",nfv);
	
	mfverts = MF_Vertices(mf,1,0);
	for (j = 0; j < nfv; j++) {
	  mv = List_Entry(mfverts,j);
	  MEnt_Get_AttVal(mv,vidatt,&mvid,&rval,&pval);
	  fprintf(fp,"%d ",mvid);
	}
	List_Delete(mfverts);

	gdim = MF_GEntDim(mf);
	gid = MF_GEntID(mf);
	
	fprintf(fp,"\t%d %d\n",gdim,gid);
      }
    }
	
  }


  if (nr) {
    if (reptype <= F4 || reptype >= R2) {
      fprintf(fp,"regions face\n");

      idx = 0;
      while ((mr = MESH_Next_Region(mesh,&idx))) {

	nrf = MR_Num_Faces(mr);
	fprintf(fp,"%d ",nrf);

	mrfaces = MR_Faces(mr);
	for (j = 0; j < nrf; j++) {
	  mf = List_Entry(mrfaces,j);
	  dir = MR_FaceDir_i(mr,j);
	  MEnt_Get_AttVal(mf,fidatt,&mfid,&rval,&pval);
	  if (dir != 1) mfid = -mfid;
	  fprintf(fp,"%d ",mfid);
	}
	List_Delete(mrfaces);
	
	gdim = MF_GEntDim(mr);
	gid = MR_GEntID(mr);

	fprintf(fp,"\t%d %d\n",gdim,gid);
      }
    }
    else {
      fprintf(fp,"regions vertex\n");

      idx = 0;
      while ((mr = MESH_Next_Region(mesh,&idx))) {

	nrv = MR_Num_Vertices(mr);
	fprintf(fp,"%d ",nrv);

	mrverts = MR_Vertices(mr);
	for (j = 0; j < nrv; j++) {
	  mv = List_Entry(mrverts,j);
	  MEnt_Get_AttVal(mv,vidatt,&mvid,&rval,&pval);
	  fprintf(fp,"%d ",mvid);
	}
	List_Delete(mrverts);
	
	gdim = MR_GEntDim(mr);
	gid = MR_GEntID(mr);

	fprintf(fp,"\t%d %d\n",gdim,gid);
      }
    }

    if (reptype == R2 || reptype == R4) {
      fprintf(fp,"adjregions\n");
      
      idx = 0;
      while ((mr = MESH_Next_Region(mesh,&idx))) {

	nar = MR_Num_Faces(mr);
	fprintf(fp,"%d ",nar);

	adjregs = MR_AdjRegions(mr);

	for (j = 0; j < nar; j++) {
	  mr2 = List_Entry(adjregs,j);
	  if ((long) mr2 == -1) 
	    fprintf(fp,"%d ",0);
	  else {
	    MEnt_Get_AttVal(mr2,ridatt,&mrid2,&rval,&pval);
	    fprintf(fp,"%d ",mrid2);
	  }
	}
	fprintf(fp,"\n");
	List_Delete(adjregs);
      }
    }
  }


  /* Write out attributes if there are more than the 4 that we created 
    in this routine */


  if ((natt = MESH_Num_Attribs(mesh)) > 4) {

    fprintf(fp,"attributes\n");

    for (i = 0; i < natt; i++) {
      
      attrib = MESH_Attrib(mesh,i);

      /* Don't write out attribs we created for the internal use of 
	 this routine */
      if (attrib == vidatt || attrib == eidatt || attrib == fidatt || 
	  attrib == ridatt) continue;
      
      MAttrib_Get_Name(attrib,attname);

      atttype = MAttrib_Get_Type(attrib);
      if (atttype == POINTER) continue;  /* cannot write it out */

      ncomp = MAttrib_Get_NumComps(attrib);

      attentdim = MAttrib_Get_EntDim(attrib);


      /* First count how many entities actually have the attribute assigned */

      nent = 0;
      switch(attentdim) {
      case MVERTEX:
	idx = 0;
	while ((mv = MESH_Next_Vertex(mesh,&idx)))
	  if (MEnt_Get_AttVal(mv,attrib,&ival,&rval,&pval)) nent++;
	break;
      case MEDGE:
	idx = 0;
	while ((me = MESH_Next_Edge(mesh,&idx)))
	  if (MEnt_Get_AttVal(me,attrib,&ival,&rval,&pval)) nent++;
	break;
      case MFACE:
	idx = 0;
	while ((mf = MESH_Next_Face(mesh,&idx)))
	  if (MEnt_Get_AttVal(mf,attrib,&ival,&rval,&pval)) nent++;	    
	break;
      case MREGION: 
	idx = 0;
	while ((mr = MESH_Next_Region(mesh,&idx)))
	  if (MEnt_Get_AttVal(mr,attrib,&ival,&rval,&pval)) nent++;
	break;
      case MALLTYPE:
	idx = 0;
	while ((mv = MESH_Next_Vertex(mesh,&idx)))
	  if (MEnt_Get_AttVal(mv,attrib,&ival,&rval,&pval)) nent++;
	idx = 0;
	while ((me = MESH_Next_Edge(mesh,&idx)))
	  if (MEnt_Get_AttVal(me,attrib,&ival,&rval,&pval)) nent++;
	idx = 0;
	while ((mf = MESH_Next_Face(mesh,&idx)))
	  if (MEnt_Get_AttVal(mf,attrib,&ival,&rval,&pval)) nent++;	    
	idx = 0;
	while ((mr = MESH_Next_Region(mesh,&idx)))
	  if (MEnt_Get_AttVal(mr,attrib,&ival,&rval,&pval)) nent++;
	break;	
      default:
	break;
      } /* switch (attentdim) */


      /* No point in writing out attribute if no entity uses it! Or is there? */

      if (!nent) continue;



      fprintf(fp,"%-s\n",attname);

      switch(atttype) {
      case INT:
	fprintf(fp,"INT\n");
	break;
      case DOUBLE:
	fprintf(fp,"DOUBLE\n");
	break;
      case VECTOR:
	fprintf(fp,"VECTOR\n");
	break;
      case TENSOR:
	fprintf(fp,"TENSOR\n");
	break;
      default:
	MSTK_Report("MESH_WriteToFile",
		    "Unrecognizable or unprintable attribute type\n",MSTK_WARN);
	continue;	
      }

      fprintf(fp,"%-d\n",ncomp);

      switch(attentdim) {
      case MVERTEX:
	fprintf(fp,"MVERTEX\n");
	break;
      case MEDGE:
	fprintf(fp,"MEDGE\n");
	break;
      case MFACE:
	fprintf(fp,"MFACE\n");
	break;
      case MREGION:
	fprintf(fp,"MREGION\n");
	break;
      case MALLTYPE:
	fprintf(fp,"MALLTYPE\n");
	break;
      default:
	MSTK_Report("Mesh_WriteToFile","Unrecognized entity type",MSTK_WARN);
	break;
      }

      fprintf(fp,"%-d\n",nent);


      switch(attentdim) {
      case MVERTEX:
	idx = 0;
	while ((mv = MESH_Next_Vertex(mesh,&idx))) {
	  if (MEnt_Get_AttVal(mv,attrib,&ival,&rval,&pval)) {
	    MEnt_Get_AttVal(mv,vidatt,&mvid,&rdummy,&pdummy);
	    fprintf(fp,"0 %-d ",mvid);
	    switch (atttype) {
	    case INT:
	      fprintf(fp," %-d",ival);
	      break;
	    case DOUBLE: 
	      fprintf(fp," %-lf ",rval);
	      break;
	    case VECTOR: case TENSOR:
	      rval_arr = (double *) pval;
	      for (k = 0; k < ncomp; k++)
		fprintf(fp," %-lf ",rval_arr[k]);
	      break;
	    default:
	      break;
	    }
	    fprintf(fp,"\n");
	  }
	}
	break;
      case MEDGE:
	idx = 0;
	while ((me = MESH_Next_Edge(mesh,&idx))) {
	  if (MEnt_Get_AttVal(me,attrib,&ival,&rval,&pval)) {
	    MEnt_Get_AttVal(me,eidatt,&meid,&rdummy,&pdummy);
	    fprintf(fp,"1 %-d ",meid);
	    switch (atttype) {
	    case INT:
	      fprintf(fp," %-d",ival);
	      break;
	    case DOUBLE: 
	      fprintf(fp," %-lf ",rval);
	      break;
	    case VECTOR: case TENSOR:
	      rval_arr = (double *) pval;
	      for (k = 0; k < ncomp; k++)
		fprintf(fp," %-lf ",rval_arr[k]);
	      break;
	    default:
	      break;
	    }
	    fprintf(fp,"\n");
	  }
	}
	break;
      case MFACE:
	idx = 0;
	while ((mf = MESH_Next_Face(mesh,&idx))) {
	  if (MEnt_Get_AttVal(mf,attrib,&ival,&rval,&pval)) {
	    MEnt_Get_AttVal(mf,fidatt,&mfid,&rdummy,&pdummy);
	    fprintf(fp,"2 %-d ",mfid);
	    switch (atttype) {
	    case INT:
	      fprintf(fp," %-d",ival);
	      break;
	    case DOUBLE: 
	      fprintf(fp," %-lf ",rval);
	      break;
	    case VECTOR: case TENSOR:
	      rval_arr = (double *) pval;
	      for (k = 0; k < ncomp; k++)
		fprintf(fp," %-lf ",rval_arr[k]);
	      break;
	    default:
	      break;
	    }
	    fprintf(fp,"\n");
	  }
	}
	break;

      case MREGION: 
	idx = 0;
	while ((mr = MESH_Next_Region(mesh,&idx))) {
	  if (MEnt_Get_AttVal(mr,attrib,&ival,&rval,&pval)) {
	    MEnt_Get_AttVal(mr,ridatt,&mrid,&rdummy,&pdummy);
	    fprintf(fp,"3 %-d ",mrid);
	    switch (atttype) {
	    case INT:
	      fprintf(fp," %-d",ival);
	      break;
	    case DOUBLE: 
	      fprintf(fp," %-lf ",rval);
	      break;
	    case VECTOR: case TENSOR:
	      rval_arr = (double *) pval;
	      for (k = 0; k < ncomp; k++)
		fprintf(fp," %-lf ",rval_arr[k]);
	      break;
	    default:
	      break;
	    }
	    fprintf(fp,"\n");
	  }
	}
	break;

      case MALLTYPE:
	idx = 0;
	while ((mv = MESH_Next_Vertex(mesh,&idx))) {
	  if (MEnt_Get_AttVal(mv,attrib,&ival,&rval,&pval)) {
	    MEnt_Get_AttVal(mv,vidatt,&mvid,&rdummy,&pdummy);
	    fprintf(fp,"0 %-d ",mvid);
	    switch (atttype) {
	    case INT:
	      fprintf(fp," %-d",ival);
	      break;
	    case DOUBLE: 
	      fprintf(fp," %-lf ",rval);
	      break;
	    case VECTOR: case TENSOR:
	      rval_arr = (double *) pval;
	      for (k = 0; k < ncomp; k++)
		fprintf(fp," %-lf ",rval_arr[k]);
	      break;
	    default:
	      break;
	    }
	    fprintf(fp,"\n");
	  }
	}
	idx = 0;
	while ((me = MESH_Next_Edge(mesh,&idx))) {
	  if (MEnt_Get_AttVal(me,attrib,&ival,&rval,&pval)) {
	    MEnt_Get_AttVal(me,eidatt,&meid,&rdummy,&pdummy);
	    fprintf(fp,"1 %-d ",meid);
	    switch (atttype) {
	    case INT:
	      fprintf(fp," %-d",ival);
	      break;
	    case DOUBLE: 
	      fprintf(fp," %-lf ",rval);
	      break;
	    case VECTOR: case TENSOR:
	      rval_arr = (double *) pval;
	      for (k = 0; k < ncomp; k++)
		fprintf(fp," %-lf ",rval_arr[k]);
	      break;
	    default:
	      break;
	    }
	    fprintf(fp,"\n");
	  }
	}
	idx = 0;
	while ((mf = MESH_Next_Face(mesh,&idx))) {
	  if (MEnt_Get_AttVal(mf,attrib,&ival,&rval,&pval)) {
	    MEnt_Get_AttVal(mf,fidatt,&mfid,&rdummy,&pdummy);
	    fprintf(fp,"2 %-d ",mfid);
	    switch (atttype) {
	    case INT:
	      fprintf(fp," %-d",ival);
	      break;
	    case DOUBLE: 
	      fprintf(fp," %-lf ",rval);
	      break;
	    case VECTOR: case TENSOR:
	      rval_arr = (double *) pval;
	      for (k = 0; k < ncomp; k++)
		fprintf(fp," %-lf ",rval_arr[k]);
	      break;
	    default:
	      break;
	    }
	    fprintf(fp,"\n");
	  }
	}
	idx = 0;
	while ((mr = MESH_Next_Region(mesh,&idx))) {
	  if (MEnt_Get_AttVal(mr,attrib,&ival,&rval,&pval)) {
	    MEnt_Get_AttVal(mr,ridatt,&mrid,&rdummy,&pdummy);
	    fprintf(fp,"3 %-d ",mrid);
	    switch (atttype) {
	    case INT:
	      fprintf(fp," %-d",ival);
	      break;
	    case DOUBLE: 
	      fprintf(fp," %-lf ",rval);
	      break;
	    case VECTOR: case TENSOR:
	      rval_arr = (double *) pval;
	      for (k = 0; k < ncomp; k++)
		fprintf(fp," %-lf ",rval_arr[k]);
	      break;
	    default:
	      break;
	    }
	    fprintf(fp,"\n");
	  }
	}
	break;	
      default:
	break;
      } /* switch (attentdim) */

    } /* for (i = 0; i < natt) */
    
  } /* if (Mesh_Num_Attribs(mesh)) */
  

  idx = 0; i = 0;
  while ((mv = MESH_Next_Vertex(mesh,&idx)))
    MEnt_Rem_AttVal(mv,vidatt);

  idx = 0; i = 0;
  while ((me = MESH_Next_Edge(mesh,&idx)))
    MEnt_Rem_AttVal(me,eidatt);

  idx = 0; i = 0;
  while ((mf = MESH_Next_Face(mesh,&idx)))
    MEnt_Rem_AttVal(mf,fidatt);

  idx = 0; i = 0;
  while ((mr = MESH_Next_Region(mesh,&idx)))
    MEnt_Rem_AttVal(mr,ridatt);
  
  MAttrib_Delete(vidatt);
  MAttrib_Delete(eidatt);
  MAttrib_Delete(fidatt);
  MAttrib_Delete(ridatt);




  fclose(fp);

  return 1;
}
Beispiel #7
0
int main(int argc, char *argv[]) {
  char infname[256], outfname[256], attfname[256], setfname[256];
  Mesh_ptr mesh;
  int len, ok=0;
  int build_classfn=1, partition=0, weave=0, use_geometry=0, parallel_check=0;
  int num_ghost_layers=0, partmethod=0, attfile_given=0, setfile_given=0;
  MshFmt inmeshformat, outmeshformat;

  if (argc < 3) {
    fprintf(stderr,"\n");
    fprintf(stderr,"usage: mpirun -n NP %s <--partition=y|1|n|0> <--partition-method=0|1|2> <--parallel-check=y|1|n|0> <--attfile=attfilename> <--setfile=setfilename> infilename outfilename\n\n",progname);
    fprintf(stderr,"partition-method = 0, METIS\n");
    fprintf(stderr,"                 = 1, ZOLTAN with GRAPH partioning\n");
    fprintf(stderr,"                 = 2, ZOLTAN with RCB partitioning\n");
    fprintf(stderr,"Choose 2 if you want to avoid partitioning models\n");
    fprintf(stderr,"with high aspect ratio along the short directions\n");
    fprintf(stderr,"\n");
    fprintf(stderr,"infilename   = Input Exodus II File\n");
    fprintf(stderr,"outfilename  = Output Exodus II file name\n");
    fprintf(stderr,"attfilename  = Auxiliary file with real valued attributes\n");
    fprintf(stderr,"setfilename  = Auxiliary file with entity set specifications\n");
    fprintf(stderr,"\n");
    exit(-1);
  }

#ifdef MSTK_HAVE_MPI
  MPI_Init(&argc,&argv);
#endif


  MSTK_Init();


  int rank=0, numprocs=1;
#ifdef MSTK_HAVE_MPI

  MSTK_Comm comm = MPI_COMM_WORLD;

  MPI_Comm_rank(comm,&rank);
  MPI_Comm_size(comm,&numprocs);

#else
  MSTK_Comm comm = NULL;
#endif
  

  if (argc > 3) {
    int i;
    for (i = 1; i < argc-2; i++) {
      if (strncmp(argv[i],"--partition=",12) == 0) {
        if (strncmp(argv[i]+12,"y",1) == 0 ||
            strncmp(argv[i]+12,"1",1) == 0)
          partition = 1;
        else if (strncmp(argv[i]+12,"n",1) == 0 ||
                 strncmp(argv[i]+12,"0",1) == 0) 
          partition = 0;
        else
          MSTK_Report(progname,
                      "--partition option should be y, n, 1 or 0",
                      MSTK_FATAL);          
      }
      else if (strncmp(argv[i],"--partition-method",18) == 0 ||
               strncmp(argv[i],"--partition_method",18) == 0) {
        sscanf(argv[i]+19,"%d",&partmethod);
        partition = 1;
      }
      else if (strncmp(argv[i],"--parallel-check",16) == 0 ||
               strncmp(argv[i],"--parallel_check",16) == 0) {
        if (strncmp(argv[i]+17,"y",1) == 0 ||
            strncmp(argv[i]+17,"1",1) == 1)
          parallel_check = 1;
        else if (strncmp(argv[i]+17,"n",13) == 0 ||
                 strncmp(argv[i]+17,"0",13) == 0) 
          parallel_check = 0;
      }
      else if (strncmp(argv[i],"--attfile",9) == 0) {
        sscanf(argv[i]+10,"%s",attfname);
        attfile_given=1;
      }
      else if (strncmp(argv[i],"--setfile",9) == 0) {
        sscanf(argv[i]+10,"%s",setfname);
        setfile_given=1;
      }
      else
        fprintf(stderr,"Unrecognized option...Ignoring\n");
    }

    /* If running on multiple processors, but partition is 0, assume
       that you are partitioning a serial mesh */

    if (numprocs > 1 && partition == 0) {
      MSTK_Report(progname,
                  "Running on multiple processors but partition option not specified",
                  MSTK_WARN);
      MSTK_Report(progname,
                  "Output mesh will be partitioned into as many parts as processors",
                  MSTK_WARN);
      partition = 1; 
    }
  }

  strcpy(infname,argv[argc-2]);
  strcpy(outfname,argv[argc-1]);


  len = strlen(infname);
  if (len > 4 && strncmp(&(infname[len-4]),".exo",4) == 0)
    inmeshformat = EXODUSII;
  else
    MSTK_Report(progname,"Input file must have .exo extension", MSTK_FATAL);

  len = strlen(outfname);
  if (len > 4 && strncmp(&(outfname[len-4]),".exo",4) == 0)
    outmeshformat = EXODUSII;
  else if (len > 4 && strncmp(&(outfname[len-4]),".par",4) == 0)
    outmeshformat = EXODUSII;
  else
    MSTK_Report(progname,"Output file must have .exo or .par extension", MSTK_FATAL);



  /* Import the Exodus II mesh */

  mesh = MESH_New(F1);

#ifdef MSTK_HAVE_MPI
  if (rank == 0) {
#endif

    int opts[5]={0,0,0,0,0};
  
    ok = 0;
    fprintf(stderr,"Importing mesh from ExodusII file...");
    opts[0] = 0; /* don't partition while importing - do it later */
    opts[1] = 0;
    opts[2] = 0; /* no ghost layers */  
    opts[3] = 0;
    ok = MESH_ImportFromFile(mesh,infname,"exodusii",opts,comm);
    if (ok)
      fprintf(stderr,"done\n\n");
    else {
      MSTK_Report(progname,"Failed\n",MSTK_FATAL);
    }
    

    /* Read in the attributes only on rank 0 and attach it to the mesh */
    if (attfile_given)
      import_attributes(mesh, attfname);


    /* Import element set definitions and create in the mesh */
    if (setfile_given)
      import_sets(mesh, setfname);

#ifdef MSTK_HAVE_MPI
  }
#endif


#ifdef MSTK_HAVE_MPI

  if (partition) {

    /* Need to make sure that we have a mesh only on processor 0 */
    /* For now we cannot repartition                             */

    int prepartitioned = 0, mesh_present = 0;

    int dim = 3;
    if (rank > 0) {
      if (mesh && MESH_Num_Vertices(mesh) != 0)
        mesh_present = 1;
    }
    
    MPI_Reduce(&mesh_present,&prepartitioned,1,MPI_INT,MPI_MAX,0,comm);
    MPI_Bcast(&prepartitioned,1,MPI_INT,0,comm);

    if (!prepartitioned) {
    
      Mesh_ptr mesh0=NULL;
      if (rank == 0) {
        fprintf(stderr,"Partitioning mesh into %d parts...",numprocs);
        
        if (MESH_Num_Regions(mesh))
          dim = 3;
        else if (MESH_Num_Faces(mesh))
          dim = 2;
        else {
          fprintf(stderr,"Partitioning possible only for 2D or 3D meshes\n");
          exit(-1);
        }
        
        mesh0 = mesh;
        mesh = NULL;
      }
      
      int ring = 0; /* No ghost ring of elements */
      int with_attr = 1; /* Do allow exchange of attributes */
      int del_inmesh = 1; /* Delete input mesh after partitioning */

      ok = MSTK_Mesh_Distribute(mesh0, &mesh, &dim, ring, with_attr,
                                    partmethod, del_inmesh, comm);
      
      if (rank == 0) {
        if (ok)
          fprintf(stderr,"done\n");
        else {
          fprintf(stderr,"failed\n");
          exit(-1);
        }
      }

      /*      if (rank == 0)
	      MESH_Delete(mesh0);
      */

    }    
  }

#endif /* MSTK_HAVE_MPI */


#ifdef MSTK_HAVE_MPI
  if (numprocs > 1 && parallel_check == 1) {

    /* Do a parallel consistency check too */

    ok = ok && MESH_Parallel_Check(mesh,comm);
    
  }
#endif

  fprintf(stderr,"\nExporting mesh to ExodusII format...");
  ok = MESH_ExportToFile(mesh,outfname,"exodusii",-1,NULL,NULL,comm);

  if (ok)
    fprintf(stderr,"Done\n");
  else {
    fprintf(stderr,"Failed\n");
    exit(-1);
  }


  MESH_Delete(mesh);
 
  // while (1);

#ifdef MSTK_HAVE_MPI
  MPI_Finalize();
#endif

  return 1;
}
  int MESH_PartitionWithZoltan(Mesh_ptr mesh, int nparts, int **part, int noptions, 
                               char **options, MSTK_Comm comm) { 

  MEdge_ptr fedge;
  MFace_ptr mf, oppf, rface;
  MRegion_ptr mr, oppr;
  List_ptr fedges, efaces, rfaces, fregions;
  int  i, j, k, id;
  int  nv, ne, nf, nr=0, nfe, nef, nfr, nrf, idx, idx2;
  int  numflag, nedgecut, ipos;
  int  wtflag;

  int rc;
  float ver;
  struct Zoltan_Struct *zz;
  GRAPH_DATA graph;
  int changes, numGidEntries, numLidEntries, numImport, numExport;
  ZOLTAN_ID_PTR importGlobalGids, importLocalGids, exportGlobalGids, exportLocalGids;
  int *importProcs, *importToPart, *exportProcs, *exportToPart;

  int rank;
  MPI_Comm_rank(comm,&rank);
 
  rc = Zoltan_Initialize(0, NULL, &ver);

  if (rc != ZOLTAN_OK){
    MSTK_Report("MESH_PartitionWithZoltan","Could not initialize Zoltan",MSTK_FATAL);
    MPI_Finalize();
    exit(0);
  }

  /******************************************************************
  ** Create a Zoltan library structure for this instance of partition 
  ********************************************************************/
  zz = Zoltan_Create(comm);

  /*****************************************************************
   ** Figure out partitioning method
   *****************************************************************/
  
  char partition_method_str[32];
  strcpy(partition_method_str,"RCB");  /* Default - Recursive Coordinate Bisection */
  if (noptions) {
    for (i = 0; i < noptions; i++) {
      if (strncmp(options[i],"LB_PARTITION",12) == 0) {
        char *result = NULL, instring[256];
        strcpy(instring,options[i]);
        result = strtok(instring,"=");
        result = strtok(NULL," ");
        strcpy(partition_method_str,result);
      }
    }
  }
  
  if (rank == 0) {
    char mesg[256];
    sprintf(mesg,"Using partitioning method %s for ZOLTAN\n",partition_method_str);
    MSTK_Report("MESH_PartitionWithZoltan",mesg,MSTK_MESG);
  }

  /* General parameters for Zoltan */
  Zoltan_Set_Param(zz, "DEBUG_LEVEL", "0");
  Zoltan_Set_Param(zz, "LB_METHOD", partition_method_str);
  Zoltan_Set_Param(zz, "LB_APPROACH", "PARTITION");
  Zoltan_Set_Param(zz, "NUM_GID_ENTRIES", "1");
  Zoltan_Set_Param(zz, "NUM_LID_ENTRIES", "1");
  Zoltan_Set_Param(zz, "RETURN_LISTS", "ALL");


  graph.numMyNodes = 0;
  graph.numAllNbors = 0;
  graph.nodeGID = NULL;
  graph.nodeCoords = NULL;
  graph.nborIndex = NULL;
  graph.nborGID = NULL;
  graph.nborProc = NULL;

  if (strcmp(partition_method_str,"RCB") == 0) {
    if (rank == 0) {
      nr = MESH_Num_Regions(mesh);
      nf = MESH_Num_Faces(mesh);

      if (!nf && !nr)
        MSTK_Report("MESH_PartitionWithZoltan","Cannot partition wire meshes",
                    MSTK_FATAL);

      if (nr == 0) { /* Surface or planar mesh */

        int ndim = 2;       /* assume mesh is planar */
        idx = 0;
        MVertex_ptr mv;
        while ((mv = MESH_Next_Vertex(mesh,&idx))) {
          double vxyz[3];
          MV_Coords(mv,vxyz);
          if (vxyz[2] != 0.0) {
            ndim = 3;  /* non-planar or planar with non-zero z */
            break;
          }
        }
        NDIM_4_ZOLTAN = ndim-1;  /* ignore last dimension to avoid partitioning in that dimension */

        graph.numMyNodes = nf;

        graph.nodeGID = (ZOLTAN_ID_TYPE *) malloc(sizeof(ZOLTAN_ID_TYPE) * nf);
        graph.nodeCoords = (double *) malloc(sizeof(double) * NDIM_4_ZOLTAN * nf);

        idx = 0;
        while ((mf = MESH_Next_Face(mesh,&idx))) {
          double fxyz[MAXPV2][3], cen[3];
          int nfv;

          MF_Coords(mf,&nfv,fxyz);
          cen[0] = cen[1] = cen[2] = 0.0;
          for (j = 0; j < nfv; j++)
            for (k = 0; k < NDIM_4_ZOLTAN; k++) 
              cen[k] += fxyz[j][k];              
          for (k = 0; k < NDIM_4_ZOLTAN; k++) cen[k] /= nfv;

          id = MF_ID(mf);
          graph.nodeGID[id-1] = id;
          memcpy(&(graph.nodeCoords[NDIM_4_ZOLTAN*(id-1)]),cen,NDIM_4_ZOLTAN*sizeof(double));
        }

      }
      else { /* Volume mesh */

        int ndim = 3;
        NDIM_4_ZOLTAN = ndim-1;  /* ignore last dimension  to avoid partitioning in that dimension */
        graph.numMyNodes = nr;

        graph.nodeGID = (ZOLTAN_ID_TYPE *) malloc(sizeof(ZOLTAN_ID_TYPE) * nr);
        graph.nodeCoords = (double *) malloc(sizeof(double) * NDIM_4_ZOLTAN * nr);

        idx = 0;
        while ((mr = MESH_Next_Region(mesh,&idx))) {
          double rxyz[MAXPV3][3], cen[3];
          int nrv;
          
          MR_Coords(mr,&nrv,rxyz);
          cen[0] = cen[1] = cen[2] = 0.0;
          for (j = 0; j < nrv; j++)
            for (k = 0; k < NDIM_4_ZOLTAN; k++)
              cen[k] += rxyz[j][k];
          for (k = 0; k < NDIM_4_ZOLTAN; k++) cen[k] /= nrv;
          for (k = 0; k < NDIM_4_ZOLTAN; k++) 
            if (fabs(cen[k]) < 1.0e-10) cen[k] = 0.0; 

          id = MR_ID(mr);
          graph.nodeGID[id-1] = id;
          memcpy(&(graph.nodeCoords[NDIM_4_ZOLTAN*(id-1)]),cen,NDIM_4_ZOLTAN*sizeof(double));
        }

      }
    }

    MPI_Bcast(&NDIM_4_ZOLTAN,1,MPI_INT,0,comm);

    /* Set some default values */
    Zoltan_Set_Param(zz, "RCB_RECTILINEAR_BLOCKS","1");
    //    Zoltan_Set_Param(zz, "AVERAGE_CUTS", "1");

    if (noptions > 1) {
      for (i = 1; i < noptions; i++) {
        char *paramstr = NULL, *valuestr = NULL, instring[256];
        strcpy(instring,options[i]);
        paramstr = strtok(instring,"=");
        valuestr = strtok(NULL," ");
        Zoltan_Set_Param(zz,paramstr,valuestr);
      }
    }

    /* Query functions - defined in simpleQueries.h */

    Zoltan_Set_Num_Obj_Fn(zz, get_number_of_nodes, &graph);
    Zoltan_Set_Obj_List_Fn(zz, get_node_list, &graph);
    Zoltan_Set_Num_Geom_Fn(zz, get_num_dimensions_reduced, &graph);    /* reduced dimensions */
    Zoltan_Set_Geom_Multi_Fn(zz, get_element_centers_reduced, &graph); /* reduced dimension centers */

  }
  else if (strcmp(partition_method_str,"GRAPH") == 0) {

    if(rank == 0) {
      nv = MESH_Num_Vertices(mesh);
      ne = MESH_Num_Edges(mesh);
      nf = MESH_Num_Faces(mesh);
      nr = MESH_Num_Regions(mesh);
      
      ipos = 0;
      
      /* build nodes and neighbors list, similar as in partition with metis
         Assign processor 0 the whole mesh, assign other processors a NULL mesh */
  
      if (nr == 0) {
        if (nf == 0) {
          MSTK_Report("MESH_PartitionWithZoltan",
                      "Cannot partition wire meshes with Zoltan",MSTK_FATAL);
          exit(-1);
      
        }

        graph.nodeGID = (ZOLTAN_ID_TYPE *)malloc(sizeof(ZOLTAN_ID_TYPE) * nf);
        graph.nborIndex = (int *)malloc(sizeof(int) * (nf + 1));
        graph.nborGID = (ZOLTAN_ID_TYPE *)malloc(sizeof(ZOLTAN_ID_TYPE) * 2*ne);
        graph.nborProc = (int *)malloc(sizeof(int) * 2*ne);
      
        graph.nborIndex[0] = 0;
      
        /* Surface mesh */
        idx = 0; i = 0;
        while ((mf = MESH_Next_Face(mesh,&idx))) {
          graph.nodeGID[i] = MF_ID(mf);
          fedges = MF_Edges(mf,1,0);
          nfe = List_Num_Entries(fedges);
	
          idx2 = 0;
          while ((fedge = List_Next_Entry(fedges,&idx2))) {
	  
            efaces = ME_Faces(fedge);
            nef = List_Num_Entries(efaces);
	  
            if (nef == 1) {
              continue;          /* boundary edge; nothing to do */
            } else {
              int j;
              for (j = 0; j < nef; j++) {
                oppf = List_Entry(efaces,j);
                if (oppf == mf) {
                  graph.nborGID[ipos] = MF_ID(oppf);
                  /* initially set all nodes on processor 0 */
                  graph.nborProc[ipos] = 0;
                  ipos++;
                }
              }
            }
	  
            List_Delete(efaces);
	  
          }
	
          List_Delete(fedges);
          i++;
          graph.nborIndex[i] = ipos;
        }
        graph.numMyNodes = i;
        graph.numAllNbors = ipos;
      }
      else {
        graph.nodeGID = (ZOLTAN_ID_TYPE *)malloc(sizeof(ZOLTAN_ID_TYPE) * nr);
        graph.nborIndex = (int *)malloc(sizeof(int) * (nr + 1));
        graph.nborGID = (ZOLTAN_ID_TYPE *)malloc(sizeof(ZOLTAN_ID_TYPE) * 2*nf);
        graph.nborProc = (int *)malloc(sizeof(int) * 2*nf);
      
        graph.nborIndex[0] = 0;
      
        /* Volume mesh */
      
        idx = 0; i = 0;
        while ((mr = MESH_Next_Region(mesh,&idx))) {
          graph.nodeGID[i] = MR_ID(mr);
          rfaces = MR_Faces(mr);
          nrf = List_Num_Entries(rfaces);
      
          idx2 = 0;
          while ((rface = List_Next_Entry(rfaces,&idx2))) {
	  
            fregions = MF_Regions(rface);
            nfr = List_Num_Entries(fregions);
	  
            if (nfr > 1) {
              oppr = List_Entry(fregions,0);
              if (oppr == mr)
                oppr = List_Entry(fregions,1);
	    
              graph.nborGID[ipos] = MR_ID(oppr);
              /* initially set all nodes on processor 0 */
              graph.nborProc[ipos] = 0;
              ipos++;
            }
	  
            List_Delete(fregions);
	  
          }
	
          List_Delete(rfaces);
	
          i++;
          graph.nborIndex[i] = ipos;
        }
        graph.numMyNodes = i;
        graph.numAllNbors = ipos;
      }
    }

    /* Graph parameters */

    /* Zoltan_Set_Param(zz, "CHECK_GRAPH", "2"); */
    Zoltan_Set_Param(zz, "PHG_EDGE_SIZE_THRESHOLD", ".35");  /* 0-remove all, 1-remove none */

    /* Query functions - defined in simpleQueries.h */

    Zoltan_Set_Num_Obj_Fn(zz, get_number_of_nodes, &graph);
    Zoltan_Set_Obj_List_Fn(zz, get_node_list, &graph);
    Zoltan_Set_Num_Edges_Multi_Fn(zz, get_num_edges_list, &graph);
    Zoltan_Set_Edge_List_Multi_Fn(zz, get_edge_list, &graph);    
  }

  /* Partition the graph */
  /******************************************************************                                                                             
   ** Zoltan can now partition the graph.                                                                                                   
   ** We assume the number of partitions is                                                                                
   ** equal to the number of processes.  Process rank 0 will own                                                                                   
   ** partition 0, process rank 1 will own partition 1, and so on.                                                                                 
   ******************************************************************/
  rc = Zoltan_LB_Partition(zz, /* input (all remaining fields are output) */
			   &changes,        /* 1 if partitioning was changed, 0 otherwise */
			   &numGidEntries,  /* Number of integers used for a global ID */
			   &numLidEntries,  /* Number of integers used for a local ID */
			   &numImport,      /* Number of nodes to be sent to me */
			   &importGlobalGids,  /* Global IDs of nodes to be sent to me */
			   &importLocalGids,   /* Local IDs of nodes to be sent to me */
			   &importProcs,    /* Process rank for source of each incoming node */
			   &importToPart,   /* New partition for each incoming node */
			   &numExport,      /* Number of nodes I must send to other processes*/
			   &exportGlobalGids,  /* Global IDs of the nodes I must send */
			   &exportLocalGids,   /* Local IDs of the nodes I must send */
			   &exportProcs,    /* Process to which I send each of the nodes */
			   &exportToPart);  /* Partition to which each node will belong */

  if (rc != ZOLTAN_OK){
    if (rank == 0)
      MSTK_Report("MESH_PartitionWithZoltan","Could not partition mesh with ZOLTAN",
                  MSTK_ERROR);
    Zoltan_Destroy(&zz);
    MPI_Finalize();
    return 0;
  }

  if(rank == 0) {
    *part = (int *) calloc(graph.numMyNodes,sizeof(int));
    for ( i = 0; i < numExport; i++ ) {
      (*part)[exportGlobalGids[i]-1] = exportToPart[i];
    }
    if (graph.nodeGID) free(graph.nodeGID);
    if (graph.nodeCoords) free(graph.nodeCoords);
    if (graph.nborIndex) free(graph.nborIndex);
    if (graph.nborGID) free(graph.nborGID);
    if (graph.nborProc) free(graph.nborProc);
  }
  else { 
    *part = NULL;
  }


  Zoltan_LB_Free_Part(&exportGlobalGids, &exportLocalGids, &exportProcs, &exportToPart);
  Zoltan_LB_Free_Part(&importGlobalGids, &importLocalGids, &importProcs, &importToPart);
  Zoltan_Destroy(&zz);                

  return 1;
}
int MESH_PartitionWithMetis(Mesh_ptr mesh, int nparts, int **part) {

  MEdge_ptr fedge;
  MFace_ptr mf, oppf, rface;
  MRegion_ptr mr, oppr;
  List_ptr fedges, efaces, rfaces, fregions;
  int  i, ncells, ipos;
  int  nv, ne, nf, nr, nfe, nef, nfr, nrf, idx, idx2;
#ifdef METIS_5
  idx_t ngraphvtx, numflag, nedgecut, numparts, ncons;
  idx_t wtflag, metisopts[METIS_NOPTIONS];
  idx_t *vsize, *idxpart;
  idx_t  *xadj, *adjncy, *vwgt, *adjwgt;
  real_t *tpwgts, *ubvec;
#else
  idxtype ngraphvtx, numflag, nedgecut, numparts;
  idxtype  wtflag, metisopts[5] = {0,0,0,0,0};
  idxtype  *xadj, *adjncy, *vwgt, *adjwgt, *idxpart;
#endif
  

  /* First build a nodal graph of the mesh in the format required by
     metis */

  nv = MESH_Num_Vertices(mesh);
  ne = MESH_Num_Edges(mesh);
  nf = MESH_Num_Faces(mesh);
  nr = MESH_Num_Regions(mesh);

  ipos = 0;
  
  if (nr == 0) {
    
    if (nf == 0) {
      fprintf(stderr,"Cannot partition wire meshes\n");
      exit(-1);
    }

#ifdef METIS_5
    xadj = (idx_t *) malloc((nf+1)*sizeof(idx_t));
    adjncy = (idx_t *) malloc(2*ne*sizeof(idx_t));
#else    
    xadj = (idxtype *) malloc((nf+1)*sizeof(idxtype));
    adjncy = (idxtype *) malloc(2*ne*sizeof(idxtype));
#endif
    ncells = nf;

    /* Surface mesh */

    idx = 0; i = 0;
    xadj[i] = ipos;
    while ((mf = MESH_Next_Face(mesh,&idx))) {
      
      fedges = MF_Edges(mf,1,0);
      nfe = List_Num_Entries(fedges);
      
      idx2 = 0;
      while ((fedge = List_Next_Entry(fedges,&idx2))) {
	
	efaces = ME_Faces(fedge);
	nef = List_Num_Entries(efaces);
	
	if (nef == 1) {
	  continue;          /* boundary edge; nothing to do */
	}
	else {
          int j;
          for (j = 0; j < nef; j++) {
            oppf = List_Entry(efaces,j);
            if (oppf != mf) {
              adjncy[ipos] = MF_ID(oppf)-1;
              ipos++;
            }
          }
	}
	
	List_Delete(efaces);
	
      }
      
      List_Delete(fedges);
      
      i++;
      xadj[i] = ipos;
    }

  }
  else {

#ifdef METIS_5
    xadj = (idx_t *) malloc((nr+1)*sizeof(idx_t));
    adjncy = (idx_t *) malloc(2*nf*sizeof(idx_t));
#else
    xadj = (idxtype *) malloc((nr+1)*sizeof(idxtype));
    adjncy = (idxtype *) malloc(2*nf*sizeof(idxtype));
#endif
    ncells = nr;

    /* Volume mesh */

    idx = 0; i = 0;
    xadj[i] = ipos;
    while ((mr = MESH_Next_Region(mesh,&idx))) {
      
      rfaces = MR_Faces(mr);
      nrf = List_Num_Entries(rfaces);
      
      idx2 = 0;
      while ((rface = List_Next_Entry(rfaces,&idx2))) {
	
	fregions = MF_Regions(rface);
	nfr = List_Num_Entries(fregions);
	
	if (nfr > 1) {
	  oppr = List_Entry(fregions,0);
	  if (oppr == mr)
	    oppr = List_Entry(fregions,1);
	  
	  adjncy[ipos] = MR_ID(oppr)-1;
	  ipos++;
	}
        List_Delete(fregions);	
	
      }
      
      List_Delete(rfaces);
      
      i++;
      xadj[i] = ipos;
    }

  }
  


  /* Partition the graph */
  
  wtflag = 0;        /* No weights are specified */
  vwgt = adjwgt = NULL;

  numflag = 0;    /* C style numbering of elements (nodes of the dual graph) */
  ngraphvtx = ncells; /* we want the variable to be of type idxtype or idx_t */
  numparts = nparts;  /* we want the variable to be of type idxtype or idx_t */

#ifdef METIS_5
  idxpart = (idx_t *) malloc(ncells*sizeof(idx_t));

  ncons = 1;  /* Number of constraints */
  vsize = NULL;  
  tpwgts = NULL;
  ubvec = NULL;

  METIS_SetDefaultOptions(metisopts);
  metisopts[METIS_OPTION_NUMBERING] = 0;

  if (nparts <= 8)
    METIS_PartGraphRecursive(&ngraphvtx,&ncons,xadj,adjncy,vwgt,vsize,adjwgt,
			     &numparts,tpwgts,ubvec,metisopts,&nedgecut,
                             idxpart);
  else
    METIS_PartGraphKway(&ngraphvtx,&ncons,xadj,adjncy,vwgt,vsize,adjwgt,
                        &numparts,tpwgts,ubvec,metisopts,&nedgecut,idxpart);

#else

  idxpart = (idxtype *) malloc(ncells*sizeof(idxtype));

  if (nparts <= 8)
    METIS_PartGraphRecursive(&ngraphvtx,xadj,adjncy,vwgt,adjwgt,&wtflag,
			     &numflag,&numparts,metisopts,&nedgecut,idxpart);
  else
    METIS_PartGraphKway(&ngraphvtx,xadj,adjncy,vwgt,adjwgt,&wtflag,&numflag,
			&numparts,metisopts,&nedgecut,idxpart);
#endif

  free(xadj);
  free(adjncy);


  
  *part = (int *) malloc(ncells*sizeof(int));
  for (i = 0; i < ncells; i++)
    (*part)[i] = (int) idxpart[i];

  free(idxpart);
  return 1;

}
Beispiel #10
0
  int MESH_AssignGlobalIDs_Region(Mesh_ptr submesh, MSTK_Comm comm) {
  int i, j, k, nfv, nbf, nof, ngf, nf, nr, mesh_info[10], global_id;
  MVertex_ptr mv;
  MFace_ptr mf;
  MRegion_ptr mr;
  List_ptr boundary_faces, mfverts;
  int *loc, face_id[MAXPV2+3],index_nbf, max_nbf, iloc, is_boundary;
  int *global_mesh_info, *list_face, *recv_list_face, *face_ov_label, *id_on_ov_list;

  int rank, num;
  MPI_Comm_rank(comm,&rank);
  MPI_Comm_size(comm,&num);

  for (i = 0; i < 10; i++) mesh_info[i] = 0;
  nf = MESH_Num_Faces(submesh);
  nr = MESH_Num_Regions(submesh);
  mesh_info[3] = nf;
  mesh_info[4] = nr;
  /* 
     collect 'boundary' faces
     if endpoints are either GHOST or OVERLAP, then it is a boundary face 
  */
  nbf = 0;  boundary_faces = List_New(10);
  for(i = 0; i < nf; i++) {
    is_boundary = 1;       
    mf = MESH_Face(submesh,i);
    mfverts = MF_Vertices(mf,1,0);
    nfv = List_Num_Entries(mfverts);
    for(j = 0; j < nfv; j++) {
      mv = List_Entry(mfverts,j);
      if(MV_PType(mv)!=PGHOST && MV_PType(mv)!=POVERLAP)
	is_boundary = 0;
    }
    if(is_boundary) {
      MF_Flag_OnParBoundary(mf);
      List_Add(boundary_faces,mf);
      nbf++;
    }
    List_Delete(mfverts);
  }
  /* printf("num of boundary faces %d, on rank %d\n", nbf,rank); */
  mesh_info[6] = nbf;

  List_Sort(boundary_faces,nbf,sizeof(MFace_ptr),compareFaceID);

  global_mesh_info = (int *)malloc(10*num*sizeof(int));
  MPI_Allgather(mesh_info,10,MPI_INT,global_mesh_info,10,MPI_INT,comm);

  max_nbf = 0;
  for(i = 0; i < num; i++)
    if(max_nbf < global_mesh_info[10*i+6])
      max_nbf = global_mesh_info[10*i+6];

  list_face = (int *)malloc(max_nbf*(MAXPV2+1)*sizeof(int));
  recv_list_face = (int *)malloc(num*max_nbf*(MAXPV2+1)*sizeof(int));

  /* indicate if a face is overlapped */
  face_ov_label = (int *)malloc(num*max_nbf*sizeof(int));
  for (i = 0; i < num*max_nbf; i++)
    face_ov_label[i] = 0;
  id_on_ov_list = (int *)malloc(max_nbf*sizeof(int));
  /* pack face information to send  */
  index_nbf = 0;
  for(i = 0; i < nbf; i++) {
    mf = List_Entry(boundary_faces,i);
    mfverts = MF_Vertices(mf,1,0);
    nfv = List_Num_Entries(mfverts);
    list_face[index_nbf] = nfv;
    for(j = 0; j < nfv; j++) 
      list_face[index_nbf+j+1] = MV_GlobalID(List_Entry(mfverts,j));
    index_nbf += MAXPV2+1;
    List_Delete(mfverts);
  }

  MPI_Allgather(list_face,(MAXPV2+1)*max_nbf,MPI_INT,recv_list_face,(MAXPV2+1)*max_nbf,MPI_INT,comm);

  ngf = 0;
  /* for processor other than 0 */
  if(rank > 0) {
    for(i = 0; i < nbf; i++) {
      mf = List_Entry(boundary_faces,i);
      if(MF_GlobalID(mf) > 0) continue;  /* if already assigned */
      mfverts = MF_Vertices(mf,1,0);
      nfv = List_Num_Entries(mfverts);
      face_id[0] = nfv;                           
      for(k = 0; k < nfv; k++) 
	face_id[k+1] = MV_GlobalID(List_Entry(mfverts,k));
      List_Delete(mfverts);
      for(j = 0; j < rank; j++) {
	loc = (int *)bsearch(&face_id,
			     &recv_list_face[(MAXPV2+1)*max_nbf*j],
			     global_mesh_info[10*j+6],
			     (MAXPV2+1)*sizeof(int),
			     compareFaceINT);
	if(loc) {
	  iloc = (int)(loc - &recv_list_face[(MAXPV2+1)*max_nbf*j])/(MAXPV2+1);
	  MF_Set_PType(mf,PGHOST);
	  MF_Set_MasterParID(mf,j);
	  face_ov_label[max_nbf*j+iloc] |= 1;
	  id_on_ov_list[i] = iloc;
	  ngf++;
	  break;
	}
      }
    }
  }

 
  /* num of ghost verts */
  mesh_info[9] = ngf;
  MPI_Allgather(mesh_info,10,MPI_INT,global_mesh_info,10,MPI_INT,comm);
  /* since this is a OR reduction, we can use MPI_IN_PLACE, send buffer same as recv buffer */
  MPI_Allreduce(MPI_IN_PLACE,face_ov_label,num*max_nbf,MPI_INT,MPI_LOR,comm);    

  /* Assign global ID for non ghost face */
  global_id = 1;
  for(i = 0; i < rank; i++) 
    global_id = global_id + global_mesh_info[10*i+3] - global_mesh_info[10*i+9];
  for(i = 0; i < nf; i++) {
    mf = MESH_Face(submesh,i);
    if (MF_PType(mf) == PGHOST) continue;
    if (!MF_GlobalID(mf)) MF_Set_GlobalID(mf,global_id++);
    MF_Set_MasterParID(mf,rank);
  }

  /* label OVERLAP face */
  nof = 0;
  for(i = 0; i < nbf; i++) 
    if(face_ov_label[rank*max_nbf+i]) {
      mf = List_Entry(boundary_faces,i);
      MF_Set_PType(mf,POVERLAP);
      nof++;
  }
  /* printf("num of ghost faces %d, overlap faces %d on rank %d\n", ngf, nof, rank);  */

  /* this time only global id are sent */
  for(i = 0; i < nbf; i++) {
    mf = List_Entry(boundary_faces,i);
    list_face[i] = MF_GlobalID(mf);
  }

  MPI_Allgather(list_face,max_nbf,MPI_INT,recv_list_face,max_nbf,MPI_INT,comm);

  for(i = 0; i < nbf; i++) {
    mf = List_Entry(boundary_faces,i);
    if(MF_PType(mf)==PGHOST) {
      int gid = recv_list_face[MF_MasterParID(mf)*max_nbf+id_on_ov_list[i]];
#ifdef DEBUG
      if (MF_GlobalID(mf) && MF_GlobalID(mf) != gid)
	MSTK_Report("MESH_AssignGlobalIDs_region",
		    "Ghost face already has different global ID", MSTK_WARN);
#endif
      MF_Set_GlobalID(mf, gid);
    }
  }

  /* assign region global id */
  global_id = 1;
  for(i = 0; i < rank; i++) 
    global_id = global_id + global_mesh_info[10*i+4];
  for(i = 0; i < nr; i++) {
    mr = MESH_Region(submesh,i);
    MR_Set_PType(mr,PINTERIOR);
    if (!MR_GlobalID(mr)) MR_Set_GlobalID(mr,global_id++);
    MR_Set_MasterParID(mr,rank);
  }


  List_Delete(boundary_faces);
  free(global_mesh_info);
  free(face_ov_label);
  free(id_on_ov_list);
  free(list_face);
  free(recv_list_face);


  return 1;
}
Beispiel #11
0
  int MESH_AssignGlobalIDs_Vertex(Mesh_ptr submesh, int have_GIDs, MSTK_Comm comm) {
  int i, j, nv, nbv, ne, nf, nr, mesh_info[10];
  MVertex_ptr mv;
  List_ptr boundary_verts;
  RepType rtype;
  int index_nbv, max_nbv, iloc, num_ghost_verts, global_id;
  int *global_mesh_info, *vertex_ov_label, *vertex_ov_global_id, *id_on_ov_list;

  int rank, num;
  MPI_Comm_rank(comm,&rank);
  MPI_Comm_size(comm,&num);

  for (i = 0; i < 10; i++) mesh_info[i] = 0;

  rtype = MESH_RepType(submesh);
  nv = MESH_Num_Vertices(submesh);
  ne = MESH_Num_Edges(submesh);
  nf = MESH_Num_Faces(submesh);
  nr = MESH_Num_Regions(submesh);

  mesh_info[0] = rtype;
  mesh_info[1] = nv;
  mesh_info[2] = ne;
  mesh_info[3] = nf;
  mesh_info[4] = nr;

  /* calculate number of boundary vertices */ 
  nbv = 0;  boundary_verts = List_New(10);
  if (nr) {
    for(i = 0; i < nv; i++) {
      mv = MESH_Vertex(submesh,i);
      if (vertex_on_boundary3D(mv)) {
        MV_Flag_OnParBoundary(mv);
        List_Add(boundary_verts,mv);
        nbv++;
      }
    }
  }
  else {
    for(i = 0; i < nv; i++) {
      mv = MESH_Vertex(submesh,i);
      if (vertex_on_boundary2D(mv)) {
        MV_Flag_OnParBoundary(mv);
        List_Add(boundary_verts,mv);
        nbv++;
      }
    }
  }
  mesh_info[5] = nbv;
  
  /* 
     gather submeshes information
     right now we only need nv and nbv, and later num_ghost_verts, but we gather all mesh_info
  */
  global_mesh_info = (int *)malloc(10*num*sizeof(int));
  MPI_Allgather(mesh_info,10,MPI_INT,global_mesh_info,10,MPI_INT,comm);

  /* get largest number of boundary vertices of all the processors */
  max_nbv = 0;
  for(i = 0; i < num; i++)
    if(max_nbv < global_mesh_info[10*i+5])
      max_nbv = global_mesh_info[10*i+5];

  if (have_GIDs) {
    int *list_boundary_vertex_gid = (int *)malloc(max_nbv*sizeof(int));

    int *recv_list_vertex_gid = (int *)malloc(num*max_nbv*sizeof(int));
    
    /* sort boundary vertices based on Global ID, for binary search */
    List_Sort(boundary_verts,nbv,sizeof(MVertex_ptr),compareGlobalID);

    /* only global ids are sent */
    index_nbv = 0;
    for(i = 0; i < nbv; i++) {
      mv = List_Entry(boundary_verts,i);
      list_boundary_vertex_gid[index_nbv] = MV_GlobalID(mv);
      index_nbv++;
    }
    
    MPI_Allgather(list_boundary_vertex_gid,max_nbv,MPI_INT,recv_list_vertex_gid,max_nbv,MPI_INT,comm);
    
    /* indicate if a vertex is overlapped */
    vertex_ov_label = (int *)malloc(num*max_nbv*sizeof(int));
    
    /* 
       store the local boundary id on ov processor
       it is used to assign global id of local ghost vertices
       no need to store master partition id, MV_MasterParID(mv) is already assigned
    */
    id_on_ov_list = (int *)malloc(max_nbv*sizeof(int));

    for (i = 0; i < num*max_nbv; i++)
      vertex_ov_label[i] = 0;
    num_ghost_verts = 0;
    /* for processor other than 0 */
    if(rank > 0) {
      for(i = 0; i < nbv; i++) {
        mv = List_Entry(boundary_verts,i);
        int gid = MV_GlobalID(mv);
        /* check which previous processor has a vertex with same Global ID*/
        for(j = 0; j < rank; j++) {
          /* since each processor has sorted the boundary vertices, use binary search */
          int *loc = (int *)bsearch(&gid,
                                    &recv_list_vertex_gid[max_nbv*j],
                                    global_mesh_info[10*j+5],
                                    sizeof(int),
                                    compareINT);
          /* if found the vertex on previous processors */
          if(loc) {
            /* here the location iloc is relative to the beginning of the jth processor */
            iloc = (int)(loc - &recv_list_vertex_gid[max_nbv*j]);
            MV_Set_PType(mv,PGHOST);
            MV_Set_MasterParID(mv,j);
            num_ghost_verts++;
            /* label the original vertex as overlapped */
            vertex_ov_label[max_nbv*j+iloc] |= 1;
            id_on_ov_list[i] = iloc;
            /* if found on processor j, no need to test for j+1,j+2...*/
            break;
          }
        }
      }
    }

    free(list_boundary_vertex_gid);
    free(recv_list_vertex_gid);
  }
  else {
    double coor[3];

    int *list_boundary_vertex = (int *)malloc(max_nbv*sizeof(int));
    double *list_boundary_coor = (double *)malloc(3*max_nbv*sizeof(double));

    int *recv_list_vertex = (int *)malloc(num*max_nbv*sizeof(int));
    double *recv_list_coor = (double *)malloc(3*num*max_nbv*sizeof(double));
    
    /* sort boundary vertices based on coordinate value, for binary search */
    List_Sort(boundary_verts,nbv,sizeof(MVertex_ptr),compareVertexCoor);

    /* only local id and coordinate values are sent */
    index_nbv = 0;
    for(i = 0; i < nbv; i++) {
      mv = List_Entry(boundary_verts,i);
      list_boundary_vertex[index_nbv] = MV_ID(mv);
      MV_Coords(mv,coor);
      list_boundary_coor[index_nbv*3] = coor[0];
      list_boundary_coor[index_nbv*3+1] = coor[1];
      list_boundary_coor[index_nbv*3+2] = coor[2];
      index_nbv++;
    }
    
    MPI_Allgather(list_boundary_vertex,max_nbv,MPI_INT,recv_list_vertex,max_nbv,MPI_INT,comm);
    MPI_Allgather(list_boundary_coor,3*max_nbv,MPI_DOUBLE,recv_list_coor,3*max_nbv,MPI_DOUBLE,comm);
    
    /* indicate if a vertex is overlapped */
    vertex_ov_label = (int *)malloc(num*max_nbv*sizeof(int));
    
    /* 
       store the local boundary id on ov processor
       it is used to assign global id of local ghost vertices
       no need to store master partition id, MV_MasterParID(mv) is already assigned
    */
    id_on_ov_list = (int *)malloc(max_nbv*sizeof(int));

    for (i = 0; i < num*max_nbv; i++)
      vertex_ov_label[i] = 0;
    num_ghost_verts = 0;
    /* for processor other than 0 */
    if(rank > 0) {
      for(i = 0; i < nbv; i++) {
        mv = List_Entry(boundary_verts,i);
        MV_Coords(mv,coor);
        /* check which previous processor has the same coordinate vertex */
        for(j = 0; j < rank; j++) {
          /* since each processor has sorted the boundary vertices, use binary search */
          double *loc = (double *)bsearch(&coor,
                                          &recv_list_coor[3*max_nbv*j],
                                          global_mesh_info[10*j+5],
                                          3*sizeof(double),
                                          compareCoorDouble);
          /* if found the vertex on previous processors */
          if(loc) {
            /* here the location iloc is relative to the beginning of the jth processor */
            iloc = (int)(loc - &recv_list_coor[3*max_nbv*j])/3;
            MV_Set_PType(mv,PGHOST);
            MV_Set_MasterParID(mv,j);
            num_ghost_verts++;
            /* label the original vertex as overlapped */
            vertex_ov_label[max_nbv*j+iloc] |= 1;
            id_on_ov_list[i] = iloc;
            /* if found on processor j, no need to test for j+1,j+2...*/
            break;
          }
        }
      }
    }

    free(list_boundary_coor);
    free(recv_list_coor);
    free(list_boundary_vertex);
    free(recv_list_vertex);
  }


  /* num of ghost verts */
  mesh_info[9] = num_ghost_verts;
  /* update ghost verts number */
  MPI_Allgather(mesh_info,10,MPI_INT,global_mesh_info,10,MPI_INT,comm);
  /* since this is a OR reduction, we can use MPI_IN_PLACE, send buffer same as recv buffer */
  MPI_Allreduce(MPI_IN_PLACE,vertex_ov_label,num*max_nbv,MPI_INT,MPI_LOR,comm);    

  /* calculate starting global id number for vertices*/
  if (!have_GIDs) {
    global_id = 1;
    for(i = 0; i < rank; i++) 
      global_id = global_id + global_mesh_info[10*i+1] - global_mesh_info[10*i+9];
    for(i = 0; i < nv; i++) {
      mv = MESH_Vertex(submesh,i);
      if (MV_PType(mv) == PGHOST)
        continue;
      MV_Set_GlobalID(mv,global_id++);
      MV_Set_MasterParID(mv,rank);
    }
  }

      

  /* store overlapped vertices IDs and broadast */
  vertex_ov_global_id = (int *)malloc(num*max_nbv*sizeof(int));
  for(i = 0; i < num*max_nbv; i++) 
    vertex_ov_global_id[i] = 0;
  for(i = 0; i < nbv; i++) {
    if(vertex_ov_label[rank*max_nbv+i]) {
      mv = List_Entry(boundary_verts,i);
      MV_Set_PType(mv,POVERLAP);
      vertex_ov_global_id[rank*max_nbv+i] = MV_GlobalID(mv);
    }
  }

  MPI_Allreduce(MPI_IN_PLACE,vertex_ov_global_id,num*max_nbv,MPI_INT,MPI_MAX,comm);    

  for(i = 0; i < nbv; i++) {
    mv = List_Entry(boundary_verts,i);
    if(MV_PType(mv) == PGHOST) 
      MV_Set_GlobalID(mv,vertex_ov_global_id[MV_MasterParID(mv)*max_nbv+id_on_ov_list[i]]);
  }



  List_Delete(boundary_verts);
  free(global_mesh_info);
  free(vertex_ov_label);
  free(vertex_ov_global_id);
  free(id_on_ov_list);
  
  return 1;
}
Beispiel #12
0
  int MESH_Send_Attribute(Mesh_ptr mesh, MAttrib_ptr attrib, int torank, 
                          MSTK_Comm comm, int *numreq, int *maxreq, 
                          MPI_Request **requests,
                          int *numptrs2free, int *maxptrs2free,
                          void ***ptrs2free) {
    int j, k;
    int num, ncomp, ival;
    double rval;
    void *pval;
    double *rval_arr;
    int *list_info;

    MType mtype;
    MAttType att_type;
    MEntity_ptr ment;
    MPI_Request mpirequest;

    if (requests == NULL)
      MSTK_Report("MSTK_SendMSet","Invalid MPI request buffer",MSTK_FATAL);
  
    if (*maxreq == 0) {
      *maxreq = 25;
      *requests = (MPI_Request *) malloc(*maxreq*sizeof(MPI_Request));
      *numreq = 0;
    }
    else if (*maxreq < (*numreq) + 2) {
      *maxreq *= 2;
      *requests = (MPI_Request *) realloc(*requests,*maxreq*sizeof(MPI_Request));
    }
  

    /* get attribute properties */
    att_type = MAttrib_Get_Type(attrib);
    ncomp = MAttrib_Get_NumComps(attrib);
    mtype = MAttrib_Get_EntDim(attrib);
  
    /* attribute entity type, used before ghost list established, so no ghost */
    switch (mtype) {
    case MVERTEX:
      num = MESH_Num_Vertices(mesh);
      break;
    case MEDGE:
      num = MESH_Num_Edges(mesh);
      break;
    case MFACE:
      num = MESH_Num_Faces(mesh);
      break;
    case MREGION:
      num = MESH_Num_Regions(mesh);
      break;
    default:
      num = 0;
#ifdef DEBUG2
      MSTK_Report("MESH_SendAttr()","Cannot send attributes on entity type MALLTYPE",MSTK_WARN);
#endif
      return 0;
    }
    
    /* attribute index and global id */ 

    list_info = (int *) malloc(num*sizeof(int));

    /* attribute values */

    int *list_value_int = NULL;
    double *list_value_double = NULL;
    if (att_type == INT)
      list_value_int = (int *) malloc(num*ncomp*sizeof(int));
    else
      list_value_double = (double *) malloc(num*ncomp*sizeof(double));
  
    /* collect data */
    for(j = 0; j < num; j++) {
      switch (mtype) {
      case MVERTEX:
        ment = MESH_Vertex(mesh,j);
        break;
      case MEDGE:
        ment = MESH_Edge(mesh,j);
        break;
      case MFACE:
        ment = MESH_Face(mesh,j);
        break;
      case MREGION:
        ment = MESH_Region(mesh,j);
        break;
      default:
        MSTK_Report("MESH_SendAttr()","Invalid entity type",MSTK_WARN);
        return 0;
      }
    
      MEnt_Get_AttVal(ment,attrib,&ival,&rval,&pval);

      list_info[j] = MEnt_GlobalID(ment);
      if (att_type == INT)
        list_value_int[j] = ival;
      else {
        if(ncomp == 1)
          list_value_double[j] = rval;
        if(ncomp > 1) {
          rval_arr = (double *)pval;
          for(k = 0; k < ncomp; k++)
            list_value_double[ncomp*j+k] = rval_arr[k];
        }
      }
    }
  
    /* send entity global IDs */

    MPI_Isend(list_info,num,MPI_INT,torank,torank,comm,&mpirequest);
    (*requests)[*numreq] = mpirequest;
    (*numreq)++;

    /* send values */

    if (att_type == INT) {
      MPI_Isend(list_value_int,num*ncomp,MPI_INT,torank,torank,comm,&mpirequest);
      (*requests)[*numreq] = mpirequest;
    }
    else {
      MPI_Isend(list_value_double,num*ncomp,MPI_DOUBLE,torank,torank,comm,
                &mpirequest);
      (*requests)[*numreq] = mpirequest;
    }
    (*numreq)++;

    /* track the buffers used for sending so that they can be released later */

    if (*maxptrs2free == 0) {
      *maxptrs2free = 25;
      *ptrs2free = (void **) malloc(*maxptrs2free*sizeof(void *));
      *numptrs2free = 0;
    }
    else if (*maxptrs2free < (*numptrs2free) + 2) {
      *maxptrs2free = 2*(*maxptrs2free) + 2;
      *ptrs2free = (void **) realloc(*ptrs2free,(*maxptrs2free)*sizeof(void *));
    }

    (*ptrs2free)[(*numptrs2free)++] = list_info;
    if (att_type == INT) 
      (*ptrs2free)[(*numptrs2free)++] = list_value_int;  
    else
      (*ptrs2free)[(*numptrs2free)++] = list_value_double;

    return 1;
  }
  int MESH_Send_NonVertexEntities_FN(Mesh_ptr mesh, int torank, MSTK_Comm comm,
                           int *numreq, int *maxreq, MPI_Request **requests,
                           int *numptrs2free, int *maxptrs2free,
                           void ***ptrs2free) {
    int i, j, nv, ne, nf, nr;
    int nevs, nfes, nrfs, nfe, nrv, nrf, dir;
    int maxnfe, maxnrf;
    int *mesh_info;
    int *list_edge=NULL, *list_face=NULL, *list_region=NULL;
    MVertex_ptr mv;
    MEdge_ptr me;
    MFace_ptr mf;
    MRegion_ptr mr;
    List_ptr mfedges, mrfaces, mrverts;
    RepType rtype;
    double coor[3];
    MPI_Request mpirequest;

    if (requests == NULL)
      MSTK_Report("MESH_Surf_SendMesh","MPI requests array is NULL",MSTK_FATAL);

    if (*maxreq == 0) {
      *maxreq = 25;
      *requests = (MPI_Request *) malloc(*maxreq*sizeof(MPI_Request));
      *numreq = 0;
    }
    else if (*maxreq < (*numreq) + 13) {
      *maxreq = 2*(*maxreq) + 11;
      *requests = (MPI_Request *) realloc(*requests,*maxreq*sizeof(MPI_Request));
    }
  

    ne = MESH_Num_Edges(mesh);
    nf = MESH_Num_Faces(mesh);
    nr = MESH_Num_Regions(mesh);

    /* some other known quantitites - 5 items per edge (2 for verts
       and 3 for extra data), maxnfe+4 items per face (1 for number of
       edges, maxnfe for edge indices, anad 3 for extra data),
       maxnrf+4 items per region (1 for number of faces, maxnrf for
       face indices and 3 for extra data */


    maxnfe = 0;
    for (i = 0; i < nf; i++) {
      mf = MESH_Face(mesh,i);
      nfe = MF_Num_Edges(mf);
      if (nfe > maxnfe)
        maxnfe = nfe;
    }

    maxnrf = 0;
    for (i = 0; i < nr; i++) {
      mr = MESH_Region(mesh,i);
      nrf = MR_Num_Faces(mr);
      if (nrf > maxnrf)
        maxnrf = nrf;
    }

    // The amount of extra info we are sending and their meaning is obviously
    // known on the receiving side too. So nevs, nfes and nrfs can be 
    // calculated without us sending it


    nevs = (2+3)*ne;    
    nfes = (1 + maxnfe + 3)*nf;
    nrfs = (1 + maxnrf + 3)*nr;
    
    /* Reserve nevs spots for each edge */

    list_edge = (int *) malloc(5*ne*sizeof(int));

    nevs = 0;

    /* Store the vertex ids, then the 3 auxilliary data fields */

    for(i = 0; i < ne; i++) {
      me = MESH_Edge(mesh,i);
      list_edge[nevs]   = MV_ID(ME_Vertex(me,0));
      list_edge[nevs+1] = MV_ID(ME_Vertex(me,1));
      list_edge[nevs+2] = (ME_GEntID(me)<<3) | (ME_GEntDim(me));
      list_edge[nevs+3] = (ME_MasterParID(me) <<3) | (ME_OnParBoundary(me)<<2) | (ME_PType(me));
      list_edge[nevs+4] = ME_GlobalID(me);
      nevs += 5;
    }

    /* send detailed edge info */

    MPI_Isend(list_edge,nevs,MPI_INT,torank,torank,comm,&mpirequest);
    (*requests)[*numreq] = mpirequest;
    (*numreq)++;
  

    /* Reserve nfes spots for each face */

    list_face = (int *) malloc(nfes*sizeof(int));

    nfes = 0;

    /* first store nfe, then the edge ids, then the 3 auxilliary data fields */

    for(i = 0; i < nf; i++) {
      mf = MESH_Face(mesh,i);
      mfedges = MF_Edges(mf,1,0);
      nfe = List_Num_Entries(mfedges);
      list_face[nfes] = nfe;
      for(j = 0; j < nfe; j++) {
        dir = MF_EdgeDir_i(mf,j) ? 1 : -1;
        list_face[nfes+j+1] = dir*ME_ID(List_Entry(mfedges,j));
      }
      list_face[nfes+nfe+1] = (MF_GEntID(mf)<<3) | (MF_GEntDim(mf));
      list_face[nfes+nfe+2] = (MF_MasterParID(mf)<<3) | (MF_OnParBoundary(mf)<<2) | (MF_PType(mf));
      list_face[nfes+nfe+3] = MF_GlobalID(mf);
      nfes += (nfe + 4);
      List_Delete(mfedges);
    }


    /* send detailed face info */

    MPI_Isend(list_face,nfes,MPI_INT,torank,torank,comm,&mpirequest);
    (*requests)[*numreq] = mpirequest;
    (*numreq)++;

    
    if (nr) {

      list_region = (int *) malloc(nrfs*sizeof(int));
      
      nrfs = 0;
      
      /* first store nrf, then the face ids, then the 3 auxilliary data fields */
      
      for(i = 0; i < nr; i++) {
        mr = MESH_Region(mesh,i);
        mrfaces = MR_Faces(mr);
        nrf = List_Num_Entries(mrfaces);
        list_region[nrfs] = nrf;
        for(j = 0; j < nrf; j++) {
          dir = MR_FaceDir_i(mr,j) == 1 ? 1 : -1;
          list_region[nrfs+j+1] = dir*MF_ID(List_Entry(mrfaces,j));
        }
        list_region[nrfs+nrf+1] = (MR_GEntID(mr)<<3) | (MR_GEntDim(mr));
        list_region[nrfs+nrf+2] = (MR_MasterParID(mr)<<3) | (MR_PType(mr)); /* MR_PType is 2 bits; 3 bit is 0 */
        list_region[nrfs+nrf+3] = MR_GlobalID(mr);
        nrfs += (nrf + 4);
        List_Delete(mrfaces);
      }
      
      /* send detailed region info */
      
      MPI_Isend(list_region,nrfs,MPI_INT,torank,torank,comm,&mpirequest);
      (*requests)[*numreq] = mpirequest;
      (*numreq)++;
      
    }
      

    /* collect allocated memory so it can be freed in a higher level
       routine after MPI_Waitall or MPI_Test has ensured that the send
       has been completed */

    if (ptrs2free == NULL) 
      MSTK_Report("MESH_Surf_SendMesh_FN","ptrs2free array is NULL",MSTK_FATAL);

    int nptrs = 3;

    if (*maxptrs2free == 0) {
      *maxptrs2free = 25;
      *ptrs2free = (void **) malloc(*maxptrs2free*sizeof(void *));
      *numptrs2free = 0;
    }
    else if (*maxptrs2free < (*numptrs2free) + nptrs) {
      *maxptrs2free = 2*(*maxptrs2free) + nptrs;
      *ptrs2free = (void **) realloc(*ptrs2free,(*maxptrs2free)*sizeof(void *));
    }

    if (ne)
      (*ptrs2free)[(*numptrs2free)++] = list_edge;
    if (nf)
      (*ptrs2free)[(*numptrs2free)++] = list_face;
    if (nr)
      (*ptrs2free)[(*numptrs2free)++] = list_region;

    return 1;
  }