hecmw_dlb_mesh2graph.c

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/*****************************************************************************
 * Copyright (c) 2019 FrontISTR Commons
 * This software is released under the MIT License, see LICENSE.txt
 *****************************************************************************/
 
#include "hecmw_repart.h"
 
void find_new_v8(int new_v8[24]) {
  new_v8[0]         = 1;
  new_v8[1]         = 3;
  new_v8[2]         = 4;
  new_v8[1 * 3]     = 0;
  new_v8[1 * 3 + 1] = 2;
  new_v8[1 * 3 + 2] = 5;
  new_v8[2 * 3]     = 1;
  new_v8[2 * 3 + 1] = 3;
  new_v8[2 * 3 + 2] = 6;
  new_v8[3 * 3]     = 0;
  new_v8[3 * 3 + 1] = 2;
  new_v8[3 * 3 + 2] = 7;
  new_v8[4 * 3]     = 0;
  new_v8[4 * 3 + 1] = 5;
  new_v8[4 * 3 + 2] = 7;
  new_v8[5 * 3]     = 1;
  new_v8[5 * 3 + 1] = 4;
  new_v8[5 * 3 + 2] = 6;
  new_v8[6 * 3]     = 2;
  new_v8[6 * 3 + 1] = 5;
  new_v8[6 * 3 + 2] = 7;
  new_v8[7 * 3]     = 3;
  new_v8[7 * 3 + 1] = 4;
  new_v8[7 * 3 + 2] = 6;
  return;
}
 
void find_new_v6(int new_v6[18]) {
  new_v6[0]         = 1;
  new_v6[1]         = 2;
  new_v6[2]         = 3;
  new_v6[1 * 3]     = 0;
  new_v6[1 * 3 + 1] = 2;
  new_v6[1 * 3 + 2] = 4;
  new_v6[2 * 3]     = 0;
  new_v6[2 * 3 + 1] = 1;
  new_v6[2 * 3 + 2] = 5;
  new_v6[3 * 3]     = 0;
  new_v6[3 * 3 + 1] = 4;
  new_v6[3 * 3 + 2] = 5;
  new_v6[4 * 3]     = 1;
  new_v6[4 * 3 + 1] = 3;
  new_v6[4 * 3 + 2] = 5;
  new_v6[5 * 3]     = 2;
  new_v6[5 * 3 + 1] = 3;
  new_v6[5 * 3 + 2] = 4;
  return;
}
 
void find_new_v4(int new_v4[12]) {
  new_v4[0]         = 1;
  new_v4[1]         = 2;
  new_v4[2]         = 3;
  new_v4[1 * 3]     = 0;
  new_v4[1 * 3 + 1] = 2;
  new_v4[1 * 3 + 2] = 3;
  new_v4[2 * 3]     = 0;
  new_v4[2 * 3 + 1] = 1;
  new_v4[2 * 3 + 2] = 3;
  new_v4[3 * 3]     = 0;
  new_v4[3 * 3 + 1] = 1;
  new_v4[3 * 3 + 2] = 2;
  return;
}
 
void add8_adj_link(Adj_find *adj_link, int id_elem,
                   struct hecmwST_local_mesh *mesh, int new_v8[24]) {
  Adj_find *p1, *p2;
  int i, j, k, m;
  int new_v, id_node, flag_hit;
  int ncon;
 
  ncon = mesh->elem_node_index[id_elem + 1] - mesh->elem_node_index[id_elem];
  if (ncon != 8)
    HECMW_dlb_print_exit(
        "The type of element is conflict with its index: data error\n");
  for (j = mesh->elem_node_index[id_elem];
       j < mesh->elem_node_index[id_elem + 1]; j++) {
    id_node = mesh->elem_node_item[j] - 1;
    if ((id_node > mesh->n_node) || (id_node < 0))
      HECMW_dlb_print_exit("There is something wrong in index_elem\n");
    if (id_node < mesh->nn_internal) {
      for (k = 0; k < 3; k++) {
        new_v = mesh->elem_node_item
                    [mesh->elem_node_index[id_elem] +
                     new_v8[(j - mesh->elem_node_index[id_elem]) * 3 + k]] -
                1;
        flag_hit = 0;
        p1       = adj_link[id_node].next_vertex;
        for (m = 0; m < adj_link[id_node].vertex_num; m++) {
          if (new_v == p1->vertex_num) {
            flag_hit = 1;
            break;
          }
          p1 = p1->next_vertex;
        }
        if (flag_hit == 0) { /* adding the vertex new_v */
          p1 = (Adj_find *)malloc(sizeof(Adj_find));
          if (p1 == NULL) {
            fprintf(stderr, "There is no enough memory for p1 in adj_link\n");
            exit(0);
          }
          p2 = adj_link[id_node].next_vertex;
          adj_link[id_node].vertex_num++;
          adj_link[id_node].next_vertex = p1;
          p1->next_vertex               = p2;
          p1->vertex_num                = new_v;
        }
      }
    }
  }
  return;
}
 
void add6_adj_link(Adj_find *adj_link, int id_elem,
                   struct hecmwST_local_mesh *mesh, int new_v6[18]) {
  Adj_find *p1, *p2;
  int i, j, k, m;
  int new_v, id_node, flag_hit;
  int ncon;
 
  ncon = mesh->elem_node_index[id_elem + 1] - mesh->elem_node_index[id_elem];
  if (ncon != 6)
    HECMW_dlb_print_exit(
        "The type of element is conflict with its index: data error\n");
  for (j = mesh->elem_node_index[id_elem];
       j < mesh->elem_node_index[id_elem + 1]; j++) {
    id_node = mesh->elem_node_item[j] - 1;
    if ((id_node >= mesh->n_node) || (id_node < 0))
      HECMW_dlb_print_exit("There is something wrong in index_elem\n");
    if (id_node < mesh->nn_internal) {
      for (k = 0; k < 3; k++) {
        new_v = mesh->elem_node_item
                    [mesh->elem_node_index[id_elem] +
                     new_v6[(j - mesh->elem_node_index[id_elem]) * 3 + k]] -
                1;
        flag_hit = 0;
        p1       = adj_link[id_node].next_vertex;
        for (m = 0; m < adj_link[id_node].vertex_num; m++) {
          if (new_v == p1->vertex_num) {
            flag_hit = 1;
            break;
          }
          p1 = p1->next_vertex;
        }
        if (flag_hit == 0) { /* adding the vertex new_v */
          p1 = (Adj_find *)malloc(sizeof(Adj_find));
          if (p1 == NULL) {
            fprintf(stderr, "There is no enough memory for p1 in adj_link\n");
            exit(0);
          }
          p2 = adj_link[id_node].next_vertex;
          adj_link[id_node].vertex_num++;
          adj_link[id_node].next_vertex = p1;
          p1->next_vertex               = p2;
          p1->vertex_num                = new_v;
        }
      }
    }
  }
  return;
}
 
void add4_adj_link(Adj_find *adj_link, int id_elem,
                   struct hecmwST_local_mesh *mesh, int new_v4[12]) {
  Adj_find *p1, *p2;
  int i, j, k, m;
  int new_v, id_node, flag_hit;
  int ncon;
 
  ncon = mesh->elem_node_index[id_elem + 1] - mesh->elem_node_index[id_elem];
  if (ncon != 4)
    HECMW_dlb_print_exit(
        "The type of element is conflict with its index: data error\n");
  for (j = mesh->elem_node_index[id_elem];
       j < mesh->elem_node_index[id_elem + 1]; j++) {
    id_node = mesh->elem_node_item[j] - 1;
    if ((id_node >= mesh->n_node) || (id_node < 0))
      HECMW_dlb_print_exit("There is something wrong in index_elem\n");
    if (id_node < mesh->nn_internal) {
      for (k = 0; k < 3; k++) {
        new_v = mesh->elem_node_item
                    [mesh->elem_node_index[id_elem] +
                     new_v4[(j - mesh->elem_node_index[id_elem]) * 3 + k]] -
                1;
        flag_hit = 0;
        p1       = adj_link[id_node].next_vertex;
        for (m = 0; m < adj_link[id_node].vertex_num; m++) {
          if (new_v == p1->vertex_num) {
            flag_hit = 1;
            break;
          }
          p1 = p1->next_vertex;
        }
        if (flag_hit == 0) { /* adding the vertex new_v */
          p1 = (Adj_find *)malloc(sizeof(Adj_find));
          if (p1 == NULL) HECMW_dlb_memory_exit("Adj_find: p1");
          p2 = adj_link[id_node].next_vertex;
          adj_link[id_node].vertex_num++;
          adj_link[id_node].next_vertex = p1;
          p1->next_vertex               = p2;
          p1->vertex_num                = new_v;
        }
      }
    }
  }
  return;
}
 
void adj_link_free(Adj_find *adj_link, int num) {
  Adj_find *p1, *p2;
  int i, j;
  for (i = 0; i < num; i++) {
    p1 = adj_link[i].next_vertex;
    for (j = 0; j < adj_link[i].vertex_num; j++) {
      p2 = p1;
      p1 = p1->next_vertex;
      free(p2);
    }
  }
  free(adj_link);
  return;
}
 
void mesh2graph(struct hecmwST_local_mesh *mesh, GraphType *graph,
                Control_para *ctl_para, int stat_para[NUM_CONTROL_PARAS],
                Result_part *result, HECMW_Comm repart_comm) {
  int i, j, k, m;
  int mynode, pesize;
  Adj_find *adj_link;
  Adj_find *p1, *p2;
  int new_v8[3 * 8], new_v4[3 * 4], new_v6[3 * 6];
  int nvtxs = 0, nedges = 0, global_num_node = 0;
 
  int readew = -1, readvw = -1, dummy, edge;
  int *vtxdist, *xadj, *adjncy, *vwgts, *adjwgts;
  int wgtflag, numflag, ncon, nparts, edgecut, options[4];
  float *tpwgts, *ubvec, itr;
  HECMW_Status stat;
  int *tmp_index, tmp_nvtxs, tmp_sum, tmp_pe, tmp_lid;
  FILE *fp_test, *fp_wgts;
  char test_file[128];
  float *xyz;
  int ndim;
  int tmp_int;
  int flag_count;
 
  HECMW_Comm_rank(repart_comm, &mynode);
  HECMW_Comm_size(repart_comm, &pesize);
  /*
     mynode=mesh->my_rank;
     pesize=mesh->PEtotMESH;
     */
  /*
     fprintf(stderr, "In PE %d  pesize=%d\n", mynode, pesize);
      fprintf(stderr, "wgtflag=%d \n", ctl_para->wgtflag);
      fprintf(stderr, "ncon=%d\n", ctl_para->num_repartition);
  */
  if (mynode == 0)
    fprintf(stderr,
            "Start transform original mesh data into graph structure of "
            "ParMetis\n");
 
  if (pesize > 1)
    HECMW_Allreduce(&mesh->nn_internal, &global_num_node, 1, HECMW_INT,
                    HECMW_SUM, repart_comm);
  else
    global_num_node = mesh->nn_internal;
  /*
          fprintf(stderr, "the global node number is %d\n", global_num_node);
  */
  result->t_node = global_num_node;
  nvtxs          = mesh->nn_internal;
  graph->vtxdist = (int *)calloc((pesize + 1), sizeof(int));
  if (graph->vtxdist == NULL) HECMW_dlb_memory_exit("graph->vtxdist");
  if (mynode == 0) {
    graph->vtxdist[0] = 0;
    graph->vtxdist[1] = nvtxs;
    tmp_sum           = nvtxs;
    for (i = 1; i < pesize; i++) {
      HECMW_Recv(&tmp_nvtxs, 1, HECMW_INT, i, HECMW_ANY_TAG, repart_comm,
                 &stat);
      tmp_sum += tmp_nvtxs;
      graph->vtxdist[i + 1] = tmp_sum;
    }
    for (i = 1; i < pesize; i++)
      HECMW_Send(graph->vtxdist, pesize + 1, HECMW_INT, i, 0, repart_comm);
  } else {
    HECMW_Send(&nvtxs, 1, HECMW_INT, 0, 0, repart_comm);
    HECMW_Recv(graph->vtxdist, pesize + 1, HECMW_INT, 0, HECMW_ANY_TAG,
               repart_comm, &stat);
  }
  /*
          if(mynode==0) {
                  for(i=0;i<pesize+1;i++)
                          fprintf(stderr, "vtxdist=%d ", graph->vtxdist[i]);
                  fprintf(stderr, "\n");
          }
  */
 
  adj_link = (Adj_find *)calloc(mesh->nn_internal, sizeof(Adj_find));
  if (adj_link == NULL) HECMW_dlb_memory_exit("adj_link");
  for (i = 0; i < mesh->nn_internal; i++) adj_link[i].vertex_num = 0;
  find_new_v8(new_v8);
  find_new_v6(new_v6);
  find_new_v4(new_v4);
  for (i = 0; i < mesh->n_elem; i++) {
    flag_count = 1;
    if (mesh->hecmw_flag_adapt == 1) {
      if (mesh->adapt_type[i] != 0) flag_count = 0;
    }
    if (flag_count == 1) {
      if (mesh->elem_type[i] == 341)
        add4_adj_link(adj_link, i, mesh, new_v4);
      else if (mesh->elem_type[i] == 351)
        add6_adj_link(adj_link, i, mesh, new_v6);
      else if (mesh->elem_type[i] == 361)
        add8_adj_link(adj_link, i, mesh, new_v8);
    }
  }
  for (i      = 0; i < mesh->nn_internal; i++) nedges += adj_link[i].vertex_num;
  graph->xadj = (int *)calloc(nvtxs + 1, sizeof(int));
  graph->adjncy = (int *)calloc(nedges, sizeof(int));
  if ((graph->xadj == NULL) || (graph->adjncy == NULL))
    HECMW_dlb_memory_exit("graph: xadj and adjncy");
  m              = 0;
  graph->xadj[0] = 0;
  for (i = 0; i < mesh->nn_internal; i++) {
    graph->xadj[i + 1] = m + adj_link[i].vertex_num;
    p1                 = adj_link[i].next_vertex;
    for (j = 0; j < adj_link[i].vertex_num; j++) {
      if (p1->vertex_num < mesh->nn_internal)
        graph->adjncy[m + j] = graph->vtxdist[mynode] + p1->vertex_num;
      else {
        tmp_pe               = mesh->node_ID[p1->vertex_num * 2 + 1];
        tmp_lid              = mesh->node_ID[p1->vertex_num * 2] - 1;
        graph->adjncy[m + j] = graph->vtxdist[tmp_pe] + tmp_lid;
      }
      p1 = p1->next_vertex;
    }
    m += adj_link[i].vertex_num;
  }
  adj_link_free(adj_link, mesh->nn_internal);
  /*
          sprintf(test_file, "test.%d", mynode);
          fp_test=fopen(test_file, "w");
          tmp_int=0;
      for(i=0;i<mesh->n_internal;i++) {
                  fprintf(fp_test, "%d  %d\n", i+1,
     graph->xadj[i+1]-graph->xadj[i]);
                  if((graph->xadj[i+1]-graph->xadj[i])==27) {
                          tmp_int++;
                          fprintf(stderr, "the num of 27 edges is in PE %d
     nodeid is %d\n", mynode, i+1);
                  }
                  for(j=graph->xadj[i];j<graph->xadj[i+1];j++)
                          fprintf(fp_test, "%d  ", graph->adjncy[j]+1);
                  fprintf(fp_test, "\n");
          }
                  fprintf(stderr, "the num of 27 edges is %d in PE %d\n",
     tmp_int, mynode);
          fclose(fp_test);
          */
  graph->gnvtxs = global_num_node;
  graph->ncon   = 0;
  graph->nobj   = 0;
  wgtflag       = ctl_para->wgtflag;
  numflag       = 0;
  ncon          = ctl_para->num_criteria;
  nparts        = ctl_para->num_repartition;
  /*    graph->vwgt=(int *)calloc(nvtxs, sizeof(int));
          if(graph->vwgt==NULL) {
                  fprintf(stderr, "There is no enough memory for vwgt\n");
          HECMW_Finalize();
                  exit(0);
          }
          for(i=0;i<nvtxs;i++)
                  graph->vwgt[i]=1;
  */
  /*    tpwgts=(float *)calloc(pesize, sizeof(float));
          if(tpwgts==NULL) {
                  fprintf(stderr, "There is no enough memory for tpwgts\n");
          HECMW_Finalize();
                  exit(0);
          }
      for(i=0;i<pesize;i++)
                  tpwgts[i]=ctl_para;
 
          ubvec=(float *)calloc(ncon, sizeof(float));
          if(ubvec==NULL)
                  HECMW_dlb_memory_exit("ubvec");
          for(i=0;i<ncon;i++)
                  ubvec[i]=1.05;
          */
  options[0]   = 1;
  options[1]   = 3;
  options[2]   = 1;
  options[3]   = 1;
  edgecut      = 0;
  result->part = (int *)calloc(nvtxs, sizeof(int));
  if (result->part == NULL) HECMW_dlb_memory_exit("result: part");
 
  /*    xyz=(float *)calloc(mesh->n_internal*3, sizeof(float));
          for(i=0;i<mesh->n_internal;i++) {
                  xyz[i*3]=(float)mesh->node[i];
                  xyz[i*3+1]=(float)mesh->node[i+mesh->n_node];
                  xyz[i*3+2]=(float)mesh->node[i+2*mesh->n_node];
          }
          ndim=3;
      ParMETIS_V3_PartGeomKway(graph->vtxdist, graph->xadj, graph->adjncy, NULL,
     NULL, &wgtflag,
          &numflag, &ndim, xyz, &ncon, &nparts, tpwgts, ubvec, options,
     &edgecut, result->part, &repart_comm);
          result->edgecut=edgecut;
  */
  if (strncmp(ctl_para->adaptive_repartition, "off", 3) == 0) {
    if (ctl_para->wgtflag == 0)
      ParMETIS_V3_PartKway(graph->vtxdist, graph->xadj, graph->adjncy, NULL,
                           NULL, &(ctl_para->wgtflag), &numflag,
                           &(ctl_para->num_criteria),
                           &(ctl_para->num_repartition), ctl_para->machine_wgt,
                           ctl_para->balance_rate, options, &edgecut,
                           result->part, &repart_comm);
    else if ((stat_para[6] != 0) && (stat_para[7] == 0)) {
      vwgts = (int *)calloc(mesh->nn_internal, sizeof(int));
      if (vwgts == NULL) HECMW_dlb_memory_exit("vwgts");
      fp_wgts = fopen(ctl_para->vwgt_filename, "r");
      if (fp_wgts == NULL) {
        fprintf(stderr, "control file wrong: vwgt_filename\n");
        exit(0);
      }
      for (i = 0; i < mesh->nn_internal; i++) fscanf(fp_wgts, "%d", &vwgts[i]);
      fclose(fp_wgts);
      ParMETIS_V3_PartKway(graph->vtxdist, graph->xadj, graph->adjncy, vwgts,
                           NULL, &(ctl_para->wgtflag), &numflag,
                           &(ctl_para->num_criteria),
                           &(ctl_para->num_repartition), ctl_para->machine_wgt,
                           ctl_para->balance_rate, options, &edgecut,
                           result->part, &repart_comm);
      free(vwgts);
    } else if ((stat_para[6] == 0) && (stat_para[7] != 0)) {
      adjwgts = (int *)calloc(graph->xadj[mesh->nn_internal], sizeof(int));
      if (adjwgts == NULL) HECMW_dlb_memory_exit("adjwgts");
      fp_wgts = fopen(ctl_para->adjwgt_filename, "r");
      if (fp_wgts == NULL) {
        fprintf(stderr, "control file wrong: adjwgt_filename\n");
        exit(0);
      }
      for (i = 0; i < graph->xadj[mesh->nn_internal]; i++)
        fscanf(fp_wgts, "%d", &adjwgts[i]);
      fclose(fp_wgts);
      ParMETIS_V3_PartKway(graph->vtxdist, graph->xadj, graph->adjncy, NULL,
                           adjwgts, &(ctl_para->wgtflag), &numflag,
                           &(ctl_para->num_criteria),
                           &(ctl_para->num_repartition), ctl_para->machine_wgt,
                           ctl_para->balance_rate, options, &edgecut,
                           result->part, &repart_comm);
      free(adjwgts);
    } else if ((stat_para[6] != 0) && (stat_para[7] != 0)) {
      vwgts = (int *)calloc(mesh->nn_internal, sizeof(int));
      if (vwgts == NULL) HECMW_dlb_memory_exit("vwgts");
      fp_wgts = fopen(ctl_para->vwgt_filename, "r");
      if (fp_wgts == NULL) {
        fprintf(stderr, "control file wrong: vwgt_filename\n");
        exit(0);
      }
      for (i = 0; i < mesh->nn_internal; i++) fscanf(fp_wgts, "%d", &vwgts[i]);
      fclose(fp_wgts);
      adjwgts = (int *)calloc(graph->xadj[mesh->nn_internal], sizeof(int));
      if (adjwgts == NULL) HECMW_dlb_memory_exit("adjwgts");
      fp_wgts = fopen(ctl_para->adjwgt_filename, "r");
      if (fp_wgts == NULL) {
        fprintf(stderr, "control file wrong: adjwgt_filename\n");
        exit(0);
      }
      for (i = 0; i < graph->xadj[mesh->nn_internal]; i++)
        fscanf(fp_wgts, "%d", &adjwgts[i]);
      fclose(fp_wgts);
      ParMETIS_V3_PartKway(graph->vtxdist, graph->xadj, graph->adjncy, vwgts,
                           adjwgts, &(ctl_para->wgtflag), &numflag,
                           &(ctl_para->num_criteria),
                           &(ctl_para->num_repartition), ctl_para->machine_wgt,
                           ctl_para->balance_rate, options, &edgecut,
                           result->part, &repart_comm);
      free(adjwgts);
      free(vwgts);
    }
 
    result->edgecut = edgecut;
  } else if (strncmp(ctl_para->adaptive_repartition, "on", 2) == 0) {
    if (ctl_para->wgtflag == 0)
      ParMETIS_V3_AdaptiveRepart(
          graph->vtxdist, graph->xadj, graph->adjncy, NULL, NULL, NULL,
          &(ctl_para->wgtflag), &numflag, &(ctl_para->num_criteria),
          &(ctl_para->num_repartition), ctl_para->machine_wgt,
          ctl_para->balance_rate, &(ctl_para->itr_rate), options, &edgecut,
          result->part, &repart_comm);
 
    else if ((stat_para[6] != 0) && (stat_para[7] == 0)) {
      vwgts = (int *)calloc(mesh->nn_internal, sizeof(int));
      if (vwgts == NULL) HECMW_dlb_memory_exit("vwgts");
      fp_wgts = fopen(ctl_para->vwgt_filename, "r");
      if (fp_wgts == NULL) {
        fprintf(stderr, "control file wrong: vwgt_filename\n");
        exit(0);
      }
      for (i = 0; i < mesh->nn_internal; i++) fscanf(fp_wgts, "%d", &vwgts[i]);
      fclose(fp_wgts);
      ParMETIS_V3_AdaptiveRepart(
          graph->vtxdist, graph->xadj, graph->adjncy, vwgts, NULL, NULL,
          &(ctl_para->wgtflag), &numflag, &(ctl_para->num_criteria),
          &(ctl_para->num_repartition), ctl_para->machine_wgt,
          ctl_para->balance_rate, &(ctl_para->itr_rate), options, &edgecut,
          result->part, &repart_comm);
      free(vwgts);
    } else if ((stat_para[6] == 0) && (stat_para[7] != 0)) {
      adjwgts = (int *)calloc(graph->xadj[mesh->nn_internal], sizeof(int));
      if (adjwgts == NULL) HECMW_dlb_memory_exit("adjwgts");
      fp_wgts = fopen(ctl_para->adjwgt_filename, "r");
      if (fp_wgts == NULL) {
        fprintf(stderr, "control file wrong: adjwgt_filename\n");
        exit(0);
      }
      for (i = 0; i < graph->xadj[mesh->nn_internal]; i++)
        fscanf(fp_wgts, "%d", &adjwgts[i]);
      fclose(fp_wgts);
      ParMETIS_V3_AdaptiveRepart(
          graph->vtxdist, graph->xadj, graph->adjncy, NULL, NULL, adjwgts,
          &(ctl_para->wgtflag), &numflag, &(ctl_para->num_criteria),
          &(ctl_para->num_repartition), ctl_para->machine_wgt,
          ctl_para->balance_rate, &(ctl_para->itr_rate), options, &edgecut,
          result->part, &repart_comm);
      free(adjwgts);
    } else if ((stat_para[6] != 0) && (stat_para[7] != 0)) {
      vwgts = (int *)calloc(mesh->nn_internal, sizeof(int));
      if (vwgts == NULL) HECMW_dlb_memory_exit("vwgts");
      fp_wgts = fopen(ctl_para->vwgt_filename, "r");
      if (fp_wgts == NULL) {
        fprintf(stderr, "control file wrong: vwgt_filename\n");
        exit(0);
      }
      for (i = 0; i < mesh->nn_internal; i++) fscanf(fp_wgts, "%d", &vwgts[i]);
      fclose(fp_wgts);
      adjwgts = (int *)calloc(graph->xadj[mesh->nn_internal], sizeof(int));
      if (adjwgts == NULL) HECMW_dlb_memory_exit("adjwgts");
      fp_wgts = fopen(ctl_para->adjwgt_filename, "r");
      if (fp_wgts == NULL) {
        fprintf(stderr, "control file wrong: adjwgt_filename\n");
        exit(0);
      }
      for (i = 0; i < graph->xadj[mesh->nn_internal]; i++)
        fscanf(fp_wgts, "%d", &adjwgts[i]);
      fclose(fp_wgts);
      ParMETIS_V3_AdaptiveRepart(
          graph->vtxdist, graph->xadj, graph->adjncy, vwgts, NULL, adjwgts,
          &(ctl_para->wgtflag), &numflag, &(ctl_para->num_criteria),
          &(ctl_para->num_repartition), ctl_para->machine_wgt,
          ctl_para->balance_rate, &(ctl_para->itr_rate), options, &edgecut,
          result->part, &repart_comm);
      free(adjwgts);
      free(vwgts);
    }
 
    result->edgecut = edgecut;
  }
  /* write test file */
  /*    for(i=0;i<mesh->n_internal;i++) {
                  fprintf(fp_test, "%d \n", result->part[i]);
          }
 
          fclose(fp_test);
  */
  free(graph->xadj);
  free(graph->adjncy);
 
  return;
}