예제 #1
0
void
as_destroy(struct addrspace *as)
{
    /*
     * Clean up as needed.
     */
    unsigned len, i;
    pt_destroy(as, as->pagetable);
    struct region *region_ptr;

    for (i = 0; i < PT_LEVEL_SIZE; i++) {
    	if (as->pt_locks[i])
	    	lock_destroy(as->pt_locks[i]);
    }
    
    len = array_num(as->as_regions);
    // for (i = len - 1; i > 0; i--){
    //  region_ptr = array_get(as->as_regions, i);
    //  kfree(region_ptr);
    //  array_remove(as->as_regions, i);
    // }

    i = len - 1;
    while (len > 0){
        region_ptr = array_get(as->as_regions, i);
        kfree(region_ptr);
        array_remove(as->as_regions, i);
        if (i == 0)
            break;
        i--;
    }
    array_destroy(as->as_regions);
    kfree(as);
}
예제 #2
0
void
as_destroy(struct addrspace *as)
{
	pt_destroy(as->as_pgtbl);
#if OPT_ASID
    tlb_flush_asid(as->as_id);
#endif
	kfree(as);
}
예제 #3
0
/* fadster algorithm for random distribution */
static void _random2_fill (VsgPRTree2d *tree, guint np)
{
  gint i;
  Pt *pt;
  VsgVector2d lb, ub;
  GRand *rand = g_rand_new_with_seed (_random_seed);

  vsg_prtree2d_get_bounds (tree, &lb, &ub);

  pt = pt_alloc (TRUE, NULL);

  for (i=0; i< np; i++)
    {
      gdouble x1, y1;
      gint c;

      x1 = g_rand_double_range (rand, lb.x, ub.x);
      y1 = g_rand_double_range (rand, lb.y, ub.y);
      c = i+1;

      pt->vector.x = x1;
      pt->vector.y = y1;
      pt->weight = c;

      _ref_count += c;

      if (vsg_prtree2d_insert_point_local (tree, pt))
        {
          if (i % 10000 == 0 && _verbose)
            g_printerr ("%d: insert %dth point\n", rk, i);

          pt = pt_alloc (TRUE, NULL);
        }

      if (i%(_flush_interval*10) == 0)
        {
          if (_verbose && rk == 0)
            g_printerr ("%d: contiguous dist before %dth point\n", rk, i);
          _distribute (tree);
        }
    }

  pt_destroy (pt, TRUE, NULL);

  _distribute (tree);

  g_rand_free (rand);
}
예제 #4
0
void _circle2_fill (VsgPRTree2d *tree, guint np)
{
  gint i;
  Pt *pt;
  const gdouble r = 0.95;
  gdouble dtheta = 2. * G_PI / (np-1);
  gdouble theta0 = 0.;

  pt = pt_alloc (TRUE, NULL);

  for (i=0; i<np; i++)
    {
      gint c;

      c = i+1;

      _ref_count += c;

      pt->vector.x = r * cos (theta0 + i * dtheta);
      pt->vector.y = r * sin (theta0 + i * dtheta);
      pt->weight = c;

      if (vsg_prtree2d_insert_point_local (tree, pt))
        {
          if (i % 10000 == 0 && _verbose)
            g_printerr ("%d: insert %dth point\n", rk, i);

          pt = pt_alloc (TRUE, NULL);
        }

      if (i%(_flush_interval*10) == 0)
        {
          if (_verbose && rk == 0)
            g_printerr ("%d: contiguous dist before %dth point\n", rk, i);
          _distribute (tree);
        }
    }

  pt_destroy (pt, TRUE, NULL);

  _distribute (tree);
}
예제 #5
0
gint main (gint argc, gchar ** argv)
{
  gint ret = 0;

  VsgVector2d lb = {-1., -1.};
  VsgVector2d ub = {1., 1.};

  VsgPRTree2d *tree;
  VsgPRTree2d *treeref;
  gint i;
  gint ref_far_count;

  vsg_init_gdouble ();

  parse_args (argc, argv);

#ifdef VSG_HAVE_MPI
  if (_mpi)
    {
      MPI_Init (&argc, &argv);

      MPI_Comm_size (MPI_COMM_WORLD, &sz);
      MPI_Comm_rank (MPI_COMM_WORLD, &rk);

      if (counts != NULL)
        {
          gint i = 0;
          gint tmp = 0;

          while (counts[i+1] != NULL && i<rk) i ++;

	  if (sscanf (counts[i], "%u", &tmp) == 1)
            _expect_far_count = tmp;
	  else
	    test_printerr ("Invalid expected far count list (--expect-far-counts)\n");

          g_strfreev (counts);
        }
    }
#endif

  points_array = g_ptr_array_new ();

  if (rk == 0) _fill (&_npoints, points_array);
  else _npoints = 0;

  pointsref_array = g_ptr_array_sized_new (_npoints);
  for (i=0; i<_npoints; i++)
    {
      Pt *ptref = pt_alloc (TRUE, pointsref_array);
      memcpy (ptref, (Pt *) g_ptr_array_index (points_array, i), sizeof (Pt));
    }

  /* create the trees */
  tree =
    vsg_prtree2d_new_full (&lb, &ub,
                           (VsgPoint2dLocFunc) vsg_vector2d_vector2d_locfunc,
                           (VsgPoint2dDistFunc) vsg_vector2d_dist,
                           NULL, _maxbox);
  treeref = vsg_prtree2d_clone (tree);

  vsg_prtree2d_set_nf_isleaf (tree, _nf_isleaf_virtual_maxbox,
                              &_virtual_maxbox);

  vsg_parallel_vtable_set (&pconfig.node_data,
                           node_counter_alloc, NULL,
                           node_counter_destroy, NULL);
  vsg_prtree2d_set_node_data_vtable (tree, &pconfig.node_data);

  vsg_parallel_vtable_set (&prefconfig.node_data,
                           node_counter_alloc, NULL,
                           node_counter_destroy, NULL);
  vsg_prtree2d_set_node_data_vtable (treeref, &prefconfig.node_data);

#ifdef VSG_HAVE_MPI

  if (_mpi)
    {
      vsg_parallel_vtable_set (&pconfig.point,
                               pt_alloc, points_array,
                               pt_destroy, points_array);

      vsg_parallel_vtable_set (&prefconfig.point,
                               pt_alloc, pointsref_array,
                               pt_destroy, pointsref_array);

      vsg_parallel_vtable_set_parallel (&pconfig.point,
                                        pt_migrate_pack, NULL,
                                        pt_migrate_unpack, NULL,
                                        NULL, NULL,
                                        pt_visit_fw_pack, NULL,
                                        pt_visit_fw_unpack, NULL,
                                        NULL, NULL,
                                        pt_visit_bw_pack, NULL,
                                        pt_visit_bw_unpack, NULL,
                                        pt_visit_bw_reduce, NULL);

      vsg_parallel_vtable_set_parallel (&pconfig.node_data,
                                        nc_migrate_pack, NULL,
                                        nc_migrate_unpack, NULL,
                                        NULL, NULL,
                                        nc_visit_fw_pack, NULL,
                                        nc_visit_fw_unpack, NULL,
                                        nc_visit_fw_reduce, NULL,
                                        nc_visit_bw_pack, NULL,
                                        nc_visit_bw_unpack, NULL,
                                        nc_visit_bw_reduce, NULL);

      vsg_parallel_vtable_set_parallel (&prefconfig.point,
                                        pt_migrate_pack, NULL,
                                        pt_migrate_unpack, NULL,
                                        NULL, NULL,
                                        pt_visit_fw_pack, NULL,
                                        pt_visit_fw_unpack, NULL,
                                        NULL, NULL,
                                        pt_visit_bw_pack, NULL,
                                        pt_visit_bw_unpack, NULL,
                                        pt_visit_bw_reduce, NULL);

      vsg_parallel_vtable_set_parallel (&prefconfig.node_data,
                                        nc_migrate_pack, NULL,
                                        nc_migrate_unpack, NULL,
                                        NULL, NULL,
                                        nc_visit_fw_pack, NULL,
                                        nc_visit_fw_unpack, NULL,
                                        nc_visit_fw_reduce, NULL,
                                        nc_visit_bw_pack, NULL,
                                        nc_visit_bw_unpack, NULL,
                                        nc_visit_bw_reduce, NULL);

      vsg_prtree_parallel_config_set_communicator (&pconfig, MPI_COMM_WORLD);
      vsg_prtree_parallel_config_set_communicator (&prefconfig, MPI_COMM_WORLD);

      vsg_prtree2d_set_parallel (tree, &pconfig);

      vsg_prtree2d_set_parallel (treeref, &prefconfig);
    }
#endif

  /* insert points */
  for (i=0; i<_npoints; i++)
    {
      if (_verbose)
	{
	  test_printerr ("points[%d]: ", i);
	  vsg_vector2d_write (g_ptr_array_index (points_array, i), stderr);
	  g_printerr ("\n");
	}

      vsg_prtree2d_insert_point (tree, g_ptr_array_index (points_array, i));
      vsg_prtree2d_insert_point (treeref,
                                 g_ptr_array_index (pointsref_array, i));
    }

#ifdef VSG_HAVE_MPI
  if (_mpi)
    {
      vsg_prtree2d_migrate_flush (tree);
      vsg_prtree2d_migrate_flush (treeref);

      vsg_prtree2d_distribute_contiguous_leaves (tree);
      vsg_prtree2d_distribute_contiguous_leaves (treeref);
    }
#endif

  if (_write)
    {
      gchar fn[128];
      FILE *f;

      g_sprintf (fn, "tree-%03d.txt", rk);
      f = fopen (fn, "w");
      vsg_prtree2d_write (tree, f);
      fclose (f);
      g_sprintf (fn, "treeref-%03d.txt", rk);
      f = fopen (fn, "w");
      vsg_prtree2d_write (treeref, f);
      fclose (f);
    }

  /* compute neaf/far interactions for treeref */
  _far_count = 0;
  _do_upward_pass (treeref);
  vsg_prtree2d_near_far_traversal (treeref, (VsgPRTree2dFarInteractionFunc) _far,
                                   (VsgPRTree2dInteractionFunc) _near,
                                   &ret);
  vsg_prtree2d_traverse (treeref, G_PRE_ORDER, (VsgPRTree2dFunc) _down, NULL);
  ref_far_count = _far_count;

  /* compute neaf/far interactions for tree */
  _far_count = 0;
  _do_upward_pass (tree);
  vsg_prtree2d_near_far_traversal (tree, (VsgPRTree2dFarInteractionFunc) _far,
                                   (VsgPRTree2dInteractionFunc) _near,
                                   &ret);
  vsg_prtree2d_traverse (tree, G_PRE_ORDER, (VsgPRTree2dFunc) _down, NULL);

#ifdef VSG_HAVE_MPI
  if (_mpi)
    {
      /* migrate points back to processor 0 before checking */
      vsg_prtree2d_distribute_concentrate (tree, 0);
      vsg_prtree2d_distribute_concentrate (treeref, 0);
    }
#endif

  /* check results */
  for (i=0; i<points_array->len; i++)
    {
      Pt *pt = g_ptr_array_index (points_array, i);
      /* FIXME: what if pointsref and points are no longer in the same order? */
      Pt *ptref = g_ptr_array_index (pointsref_array, i);

      if (pt->count != ptref->count)
        {
          test_printerr ("error pt[");
          vsg_vector2d_write (&pt->vector, stderr);
          g_printerr ("]=%ld ptref[", pt->count);
          vsg_vector2d_write (&ptref->vector, stderr);
          g_printerr ("]=%ld\n", ptref->count);
        }
      else if (_verbose)
        {
          test_printerr ("correct comparison [");
          vsg_vector2d_write (&pt->vector, stderr);
          g_printerr ("]=%ld ptref[", pt->count);
          vsg_vector2d_write (&ptref->vector, stderr);
          g_printerr ("]=%ld\n", ptref->count);
        }
    }

  if ((_expect_far_count >= 0) && (_expect_far_count != _far_count))
    test_printerr ("far_count=%d != expected far_count=%d (ref=%d)\n",
                   _far_count, _expect_far_count, ref_far_count);
  else if (_verbose)
    test_printerr ("far_count=%d == expected far_count=%d (ref=%d)\n",
                   _far_count, _expect_far_count, ref_far_count);

  /* remove the points */
  for (i=0; i<points_array->len; i++)
    {
      vsg_prtree2d_remove_point (tree, g_ptr_array_index (points_array, i));
      vsg_prtree2d_remove_point (treeref,
                                 g_ptr_array_index (pointsref_array, i));
    }

  /* destroy the trees */
  vsg_prtree2d_free (tree);
  vsg_prtree2d_free (treeref);

  for (i=0; i<points_array->len; i++)
    pt_destroy (g_ptr_array_index (points_array, i), FALSE, points_array);

  for (i=0; i<pointsref_array->len; i++)
    pt_destroy (g_ptr_array_index (pointsref_array, i), FALSE, pointsref_array);


  g_ptr_array_free (points_array, TRUE);
  g_ptr_array_free (pointsref_array, TRUE);

#ifdef VSG_HAVE_MPI
  if (_mpi)
    MPI_Finalize ();
#endif

  return ret;
}