Exemple #1
0
int
main (int argc, char **argv)
{
  int                 i, j;
  int                 t0, t1;
  size_t              bytes;
  const char         *filename = "conndebug.p8c";
  p4est_connectivity_t *conn;

  conn = p4est_connectivity_load (filename, &bytes);
  if (conn == NULL) {
    P4EST_LERRORF ("Could not read file %s\n", filename);
    return 1;
  }
  P4EST_INFOF ("Read %d bytes\n", (int) bytes);

  p4est_connectivity_complete (conn);

  for (i = 0; i < 4; ++i) {
    t0 = i + 0;
    t1 = i + 4;
    P4EST_VERBOSEF ("X face %d: %d %d\n", i, t0, t1);
    p4est_connectivity_join_faces (conn, t0, t1, 0, 1, 0);
  }
  for (i = 0; i < 2; ++i) {
    for (j = 0; j < 2; ++j) {
      t0 = 4 * i + j + 0;
      t1 = 4 * i + j + 2;
      P4EST_VERBOSEF ("Y face %d: %d %d\n", 2 * i + j, t0, t1);
      p4est_connectivity_join_faces (conn, t0, t1, 2, 3, 0);
    }
  }
  for (i = 0; i < 4; ++i) {
    t0 = 2 * i + 0;
    t1 = 2 * i + 1;
    P4EST_VERBOSEF ("Z face %d: %d %d\n", i, t0, t1);
    p4est_connectivity_join_faces (conn, t0, t1, 4, 5, 0);
  }

  p4est_connectivity_destroy (conn);

  return 0;
}
Exemple #2
0
int
main (int argc, char **argv)
{
  sc_MPI_Comm         mpicomm;
  int                 mpiret, retval;
  int                 level;
  const char         *filename;
  p4est_connectivity_t *conn;
  sc_options_t       *opt;

  mpiret = sc_MPI_Init (&argc, &argv);
  SC_CHECK_MPI (mpiret);
  mpicomm = sc_MPI_COMM_WORLD;

  sc_init (sc_MPI_COMM_WORLD, 1, 1, NULL, SC_LP_DEFAULT);
  p4est_init (NULL, SC_LP_DEFAULT);

  opt = sc_options_new (argv[0]);
  sc_options_add_int (opt, 'l', "level", &level, 0,
                      "Upfront refinement level");
  retval = sc_options_parse (p4est_package_id, SC_LP_ERROR, opt, argc, argv);
  if (retval == -1 || retval + 1 != argc) {
    sc_options_print_usage (p4est_package_id, SC_LP_PRODUCTION, opt, NULL);
    sc_abort_collective ("Usage error");
  }
  filename = argv[retval];
  P4EST_LDEBUGF ("Loading %s\n", filename);
  conn = p4est_connectivity_load (filename, NULL);

  run_load (mpicomm, conn, level);

  p4est_connectivity_destroy (conn);
  sc_options_destroy (opt);

  sc_finalize ();

  mpiret = sc_MPI_Finalize ();
  SC_CHECK_MPI (mpiret);

  return 0;
}
Exemple #3
0
static void
test_loadsave (p4est_connectivity_t * connectivity, const char *prefix,
               sc_MPI_Comm mpicomm, int mpirank)
{
  int                 mpiret, retval;
  unsigned            csum, csum2;
  double              elapsed, wtime;
  p4est_connectivity_t *conn2;
  p4est_t            *p4est, *p4est2;
  sc_statinfo_t       stats[STATS_COUNT];
  char                conn_name[BUFSIZ];
  char                p4est_name[BUFSIZ];

  snprintf (conn_name, BUFSIZ, "%s.%s", prefix, P4EST_CONN_SUFFIX);
  snprintf (p4est_name, BUFSIZ, "%s.%s", prefix, P4EST_FOREST_SUFFIX);
  P4EST_GLOBAL_INFOF ("Using file names %s and %s\n", conn_name, p4est_name);

  p4est = p4est_new_ext (mpicomm, connectivity, 0, 0, 0,
                         sizeof (int), init_fn, NULL);
  p4est_refine (p4est, 1, refine_fn, init_fn);
  test_deflate (p4est);

  /* save, synchronize, load connectivity and compare */
  if (mpirank == 0) {
    retval = p4est_connectivity_save (conn_name, connectivity);
    SC_CHECK_ABORT (retval == 0, "connectivity_save failed");
  }
  mpiret = sc_MPI_Barrier (mpicomm);
  SC_CHECK_MPI (mpiret);

  wtime = sc_MPI_Wtime ();
  conn2 = p4est_connectivity_load (conn_name, NULL);
  elapsed = sc_MPI_Wtime () - wtime;
  sc_stats_set1 (stats + STATS_CONN_LOAD, elapsed, "conn load");

  SC_CHECK_ABORT (p4est_connectivity_is_equal (connectivity, conn2),
                  "load/save connectivity mismatch A");
  p4est_connectivity_destroy (conn2);

  /* save, synchronize, load p4est and compare */
  wtime = sc_MPI_Wtime ();
  p4est_save (p4est_name, p4est, 1);
  elapsed = sc_MPI_Wtime () - wtime;
  sc_stats_set1 (stats + STATS_P4EST_SAVE1, elapsed, "p4est save 1");

  wtime = sc_MPI_Wtime ();
  p4est2 = p4est_load (p4est_name, mpicomm, sizeof (int), 1, NULL, &conn2);
  elapsed = sc_MPI_Wtime () - wtime;
  sc_stats_set1 (stats + STATS_P4EST_LOAD1a, elapsed, "p4est load 1a");

  SC_CHECK_ABORT (p4est_connectivity_is_equal (connectivity, conn2),
                  "load/save connectivity mismatch Ba");
  SC_CHECK_ABORT (p4est_is_equal (p4est, p4est2, 1),
                  "load/save p4est mismatch Ba");
  p4est_destroy (p4est2);
  p4est_connectivity_destroy (conn2);

  wtime = sc_MPI_Wtime ();
  p4est2 = p4est_load (p4est_name, mpicomm, 0, 0, NULL, &conn2);
  elapsed = sc_MPI_Wtime () - wtime;
  sc_stats_set1 (stats + STATS_P4EST_LOAD1b, elapsed, "p4est load 1b");

  SC_CHECK_ABORT (p4est_connectivity_is_equal (connectivity, conn2),
                  "load/save connectivity mismatch Bb");
  SC_CHECK_ABORT (p4est_is_equal (p4est, p4est2, 0),
                  "load/save p4est mismatch Bb");
  test_deflate (p4est2);
  p4est_destroy (p4est2);
  p4est_connectivity_destroy (conn2);

  /* partition and balance */
  p4est_partition (p4est, 0, NULL);
  p4est_balance (p4est, P4EST_CONNECT_FULL, init_fn);
  csum = p4est_checksum (p4est);
  sc_stats_set1 (stats + STATS_P4EST_ELEMS,
                 (double) p4est->local_num_quadrants, "p4est elements");

  /* save, synchronize, load p4est and compare */
  wtime = sc_MPI_Wtime ();
  p4est_save (p4est_name, p4est, 0);
  elapsed = sc_MPI_Wtime () - wtime;
  sc_stats_set1 (stats + STATS_P4EST_SAVE2, elapsed, "p4est save 2");

  wtime = sc_MPI_Wtime ();
  p4est2 = p4est_load (p4est_name, mpicomm, sizeof (int), 0, NULL, &conn2);
  elapsed = sc_MPI_Wtime () - wtime;
  sc_stats_set1 (stats + STATS_P4EST_LOAD2, elapsed, "p4est load 2");

  SC_CHECK_ABORT (p4est_connectivity_is_equal (connectivity, conn2),
                  "load/save connectivity mismatch C");
  SC_CHECK_ABORT (p4est_is_equal (p4est, p4est2, 0),
                  "load/save p4est mismatch C");
  p4est_destroy (p4est2);
  p4est_connectivity_destroy (conn2);

  /* save, synchronize, load p4est and compare */
  wtime = sc_MPI_Wtime ();
  p4est_save (p4est_name, p4est, 1);
  elapsed = sc_MPI_Wtime () - wtime;
  sc_stats_set1 (stats + STATS_P4EST_SAVE3, elapsed, "p4est save 3");

  wtime = sc_MPI_Wtime ();
  p4est2 = p4est_load (p4est_name, mpicomm, sizeof (int), 0, NULL, &conn2);
  elapsed = sc_MPI_Wtime () - wtime;
  sc_stats_set1 (stats + STATS_P4EST_LOAD3, elapsed, "p4est load 3");

  SC_CHECK_ABORT (p4est_connectivity_is_equal (connectivity, conn2),
                  "load/save connectivity mismatch D");
  SC_CHECK_ABORT (p4est_is_equal (p4est, p4est2, 0),
                  "load/save p4est mismatch D");
  p4est_destroy (p4est2);
  p4est_connectivity_destroy (conn2);

  /* Test autopartition load feature */
  wtime = sc_MPI_Wtime ();
  p4est2 = p4est_load_ext (p4est_name, mpicomm, sizeof (int), 0,
                           1, 0, NULL, &conn2);
  elapsed = sc_MPI_Wtime () - wtime;
  csum2 = p4est_checksum (p4est2);
  sc_stats_set1 (stats + STATS_P4EST_LOAD4, elapsed, "p4est load 4");

  SC_CHECK_ABORT (p4est_connectivity_is_equal (connectivity, conn2),
                  "load/save connectivity mismatch E");
  SC_CHECK_ABORT (mpirank != 0 || csum == csum2,
                  "load/save p4est mismatch E");
  p4est_destroy (p4est2);
  p4est_connectivity_destroy (conn2);

  /* destroy data structures */
  p4est_destroy (p4est);

  /* compute and print timings */
  sc_stats_compute (mpicomm, STATS_COUNT, stats);
  sc_stats_print (p4est_package_id, SC_LP_STATISTICS,
                  STATS_COUNT, stats, 0, 1);
}