int main(int argc, char **argv)
{
  int ts = 0, var = 0;
  init_mpi(argc, argv);
  parse_args(argc, argv);
  check_args();
  calculate_per_process_offsets();
  create_synthetic_simulation_data();

  rank_0_print("Simulation Data Created\n");

  create_pidx_var_point_and_access();
  for (ts = 0; ts < time_step_count; ts++)
  {
    set_pidx_file(ts);
    for (var = 0; var < variable_count; var++)
      set_pidx_variable(var);
    PIDX_close(file);
  }
  destroy_pidx_var_point_and_access();

  destroy_synthetic_simulation_data();
  shutdown_mpi();

  return 0;
}
Exemple #2
0
//----------------------------------------------------------------
static void create_pidx_var_names()
{
  assert(netcdf_var_names != 0);

  pidx_var_names = (char **)calloc(var_count, sizeof(*pidx_var_names));
  if (pidx_var_names == 0)
    terminate_with_error_msg("ERROR: Failed to allocate memory to store PIDX var names\n. Bytes requested = %d (values) * %u (bytes)\n", var_count, sizeof(*pidx_var_names));

  int i = 0;
  for (i = 0; i < var_count; ++i)
  {
    pidx_var_names[i] = (char *)calloc(strlen(netcdf_var_names[i]) + 1, sizeof(*pidx_var_names[i]));
    if (pidx_var_names == 0)
      terminate_with_error_msg("ERROR: Failed to allocate memory to store the PIDX var name for %s\n. Bytes requested = %d (values) * %u (bytes)\n", netcdf_var_names[i], strlen(netcdf_var_names[i]) + 1, sizeof(*pidx_var_names[i]));
    netcdf_var_name_to_pidx_var_name(netcdf_var_names[i], pidx_var_names[i]);
    rank_0_print("NetCDF variable %s becomes\n PIDX variable %s\n", netcdf_var_names[i], pidx_var_names[i]);
  }
}
Exemple #3
0
//----------------------------------------------------------------
// Read all the lines in a file into a list.
// Return the number of lines read.
// A line starting with // is treated as a comment and does not increase the count.
static int read_list_in_file(const char *file_name, char ***list_ptr)
{
  assert(file_name != 0);
  assert(list_ptr != 0);

  rank_0_print("Opening file %s\n", file_name);
  FILE *fp = 0;
  if ((fp = fopen(file_name, "r")) == 0) {
    terminate_with_error_msg("ERROR: Cannot open file here %s\n", file_name);
}

  // first pass, count the number of non-comment lines
  int line_count = 0;
  char line[512]; // a line cannot be longer than 512 characters
  //char *line = malloc(sizeof(char) * 512);
  while (fgets(line, 512, fp) != 0)
  {
    if (line[0] != '/' || line[1] != '/')
      ++line_count;
  }
  // second pass, actually read the data
  *list_ptr = (char **)calloc(line_count, sizeof(*list_ptr));
  char **list = *list_ptr;
  if (list == 0)
    terminate_with_error_msg("ERROR: Failed to allocate memory for a list of names. Bytes requested = %d (items) * %u (bytes)\n", line_count, sizeof(*list_ptr));
  rewind(fp);
  int i = 0;
  while (fgets(line, sizeof(line), fp) != 0)
  {
    if (line[0] != '/' || line[1] != '/')
    {
      line[strcspn(line, "\r\n")] = 0; // trim the newline character at the end if any
      list[i] = strdup(line);
      ++i;
    }
  }

  fclose(fp);
  return line_count;
}
Exemple #4
0
//----------------------------------------------------------------
int main(int argc, char **argv)
{
  init_mpi(argc, argv);
  printf("start %d %d\n",rank,process_count);
   int i;
  if(rank==0) {
    parse_args(argc, argv);
//    var_count = read_list_in_file(var_file, &netcdf_var_names);
//    rank_0_print("Number of variables = %d\n", var_count);
//    time_step_count = read_list_in_file(netcdf_file_list, &netcdf_file_names);
//    rank_0_print("Number of timesteps = %d\n", time_step_count);
    check_args();
  }

   
  //  The command line arguments are shared by all processes
#if PIDX_HAVE_MPI
  MPI_Bcast(global_box_size, 3, MPI_LONG_LONG, 0, MPI_COMM_WORLD);
  MPI_Bcast(local_box_size, 3, MPI_LONG_LONG, 0, MPI_COMM_WORLD);
//  MPI_Bcast(&time_step_count, 1, MPI_INT, 0, MPI_COMM_WORLD);
  MPI_Bcast(&var_file, 512, MPI_CHAR, 0, MPI_COMM_WORLD);
  MPI_Bcast(&netcdf_file_list, 512, MPI_CHAR, 0, MPI_COMM_WORLD);

//  MPI_Bcast(&var_count, 1, MPI_INT, 0, MPI_COMM_WORLD);
  
  MPI_Bcast(&output_file_name, 512, MPI_CHAR, 0, MPI_COMM_WORLD);
#endif

//TODO: Only the rank 0 should read the input files and broadcast the data
    var_count = read_list_in_file(var_file, &netcdf_var_names);
    rank_0_print("Number of variables = %d\n", var_count);


    time_step_count = read_list_in_file(netcdf_file_list, &netcdf_file_names);
    rank_0_print("Number of timesteps = %d\n", time_step_count);

  calculate_per_process_offsets();
  
  create_pidx_var_names();

  PIDX_access pidx_access;
  create_pidx_access(&pidx_access);
  PIDX_time_step_caching_ON();

  determine_var_types();
  create_pidx_vars();

  int t = 0,plist_id;
  for (t = 0; t < time_step_count; ++t)
  {
    rank_0_print("Processing time step %d (file %s)\n", t, netcdf_file_names[t]);

    PIDX_file pidx_file;
    int ret = PIDX_file_create(output_file_name, PIDX_MODE_CREATE, pidx_access, &pidx_file);
  

    if (ret != PIDX_success)
      terminate_with_error_msg("ERROR: Failed to create PIDX file\n");
    set_pidx_params(pidx_file);
    PIDX_set_current_time_step(pidx_file, t);

    int file_id = ncmpi_open(MPI_COMM_WORLD,netcdf_file_names[t], NC_NOWRITE, MPI_INFO_NULL, &plist_id);

    if (file_id !=0)
      terminate_with_error_msg("ERROR: Failed to open file %s\n", netcdf_file_names[t]);

    int v = 0;
    for(v = 0; v < var_count; ++v)
    {
      rank_0_print("Processing variable %s\n", netcdf_var_names[v]);
      var_data = malloc(var_types[v].atomic_type * var_types[v].num_values * local_box_size[0] * local_box_size[1] * local_box_size[2]);

      read_var_from_netcdf(plist_id, netcdf_var_names[v], var_types[v]);
     
      write_var_to_idx(pidx_file, pidx_var_names[v], pidx_vars[v]);
      if (PIDX_flush(pidx_file) != PIDX_success)
        terminate_with_error_msg("ERROR: Failed to flush variable %s, time step %d\n", pidx_var_names[v], t);
      free(var_data);
    }

    ncmpi_close(plist_id);
    PIDX_close(pidx_file);
  }

  PIDX_time_step_caching_OFF();
  PIDX_close_access(pidx_access);

  free_memory();
  shutdown_mpi();

  return 0;
}
Exemple #5
0
int main(int argc, char **argv)
{
  double start_time, end_time;
  start_time = get_time();
  int ret = 0;
  init_mpi(argc, argv);
  parse_args(argc, argv);

  rank_0_print("Merge Program\n");

#if 0
  comm = MPI_COMM_WORLD;
#endif

  ret = IDX_file_open(output_file_name);
  if (ret != 0)  terminate_with_error_msg("PIDX_file_create");

  maxh = strlen(bitSequence);

  fprintf(stderr, "Partition size :: and count %d %d %d :: %d %d %d\n", idx_count[0], idx_count[1], idx_count[2], idx_size[0], idx_size[1], idx_size[2]);
  fprintf(stderr, "bitstring %s maxh = %d\n", bitSequence, maxh);

  // shared_block_level is the level upto which the idx blocks are shared
  int shared_block_level = (int)log2(idx_count[0] * idx_count[1] * idx_count[2]) + bits_per_block + 1;
  if (shared_block_level >= maxh)
    shared_block_level = maxh;

  int shared_block_count = pow(2, shared_block_level - 1) / samples_per_block;
  fprintf(stderr, "Shared block level = %d Shared block count = %d\n", shared_block_level, shared_block_count);

  int level = 0;
  int ts = 0;

  // Iteration through all the timesteps
  for (ts = start_time_step; ts <= end_time_step; ts++)
  {
    // Iteration through all the shared blocks
    //for (level = 0; level < shared_block_level; level = level + 1)
    {
      int hz_index = (int)pow(2, level - 1);
      int file_no = hz_index / (blocks_per_file * samples_per_block);
      int file_count;
      char existing_file_name[PIDX_FILE_PATH_LENGTH];
      char new_file_name[PIDX_FILE_PATH_LENGTH];
      int ic = 0;
      if (level <= bits_per_block + log2(blocks_per_file) + 1)
        file_count = 1;
      else
        file_count = (int)pow(2, level - (bits_per_block + log2(blocks_per_file) + 1));

      // file_no is the index of the file that needs to be opened to read from all the partitions
      // they contain the shared blocks
      fprintf(stderr, "Opening file %d\n", file_no);

#if 1
      // iterate throuh all the files that contains the shared blocks
      // most likely this will be only the first file of all the partitions
      // so fc = 1
      int fc = 0;
      for (fc = file_no; fc < file_no + file_count; fc++)
      {
        // malloc for the header for the outpur blocks, i.e. the merged blocks
        uint32_t* write_binheader;
        int write_binheader_count;
        write_binheader_count = 10 + 10 * blocks_per_file * variable_count;
        int write_binheader_length = write_binheader_count * sizeof (*write_binheader);
        write_binheader = malloc(write_binheader_length);
        memset(write_binheader, 0, write_binheader_length);

        //iterate through all the variables/fields
        int var = 0;
        off_t var_offset = 0;
        for (var = 0; var < 1; var++)
        {
          unsigned char *write_data_buffer = malloc(samples_per_block * shared_block_count * bpv[var]/8);
          memset(write_data_buffer, 0, samples_per_block * shared_block_count * bpv[var]/8);
          //fprintf(stderr, "Write bufer size = %d [%d x %d x %d]\n", samples_per_block * shared_block_count * bpv[var]/8, (int)pow(2, bits_per_block), shared_block_count, bpv[var]/8);

          // shared block data
          // doube pointer (number o fpartitions x number of shared blocks)
          unsigned char **read_data_buffer = malloc(idx_count[0] * idx_count[1] * idx_count[2] * sizeof(*read_data_buffer));
          memset(read_data_buffer, 0, idx_count[0] * idx_count[1] * idx_count[2] * sizeof(*read_data_buffer));

          // shared block header info

          uint32_t** read_binheader = malloc(idx_count[0] * idx_count[1] * idx_count[2] * sizeof(*read_binheader));
          memset(read_binheader, 0, idx_count[0] * idx_count[1] * idx_count[2] * sizeof(*read_binheader));

          file_initialize_time_step(ts, output_file_name, output_file_template);
          generate_file_name(blocks_per_file, output_file_template, fc, new_file_name, PATH_MAX);
          //fprintf(stderr, "Merged blocks to be written in %s\n", new_file_name);

          // iterate through all the parttions
          for (ic = 0; ic < idx_count[0] * idx_count[1] * idx_count[2]; ic++)
          {
            char file_name_skeleton[PIDX_FILE_PATH_LENGTH];
            strncpy(file_name_skeleton, output_file_name, strlen(output_file_name) - 4);
            file_name_skeleton[strlen(output_file_name) - 4] = '\0';

            if (idx_count[0] != 1 || idx_count[1] != 1 || idx_count[2] != 1)
              sprintf(partition_file_name, "%s_%d.idx", file_name_skeleton, ic);
            else
              strcpy(partition_file_name, output_file_name);

            file_initialize_time_step(ts, partition_file_name, partition_file_template);
            generate_file_name(blocks_per_file, partition_file_template, fc, existing_file_name, PATH_MAX);

            int read_binheader_count;
            read_binheader_count = 10 + 10 * blocks_per_file * variable_count;
            read_binheader[ic] = (uint32_t*) malloc(sizeof (*read_binheader[ic])*(read_binheader_count));
            memset(read_binheader[ic], 0, sizeof (*(read_binheader[ic]))*(read_binheader_count));

            fprintf(stderr, "[%d] Partition File name %s\n", ic, existing_file_name);
            // file exists
            if ( access( partition_file_name, F_OK ) != -1 )
            {
              // contins data from the shared blocks
              read_data_buffer[ic] = malloc(samples_per_block * shared_block_count * bpv[var]/8);
              memset(read_data_buffer[ic], 0, samples_per_block * shared_block_count * bpv[var]/8);

              int fd;
              fd = open(existing_file_name, O_RDONLY | O_BINARY);
              if (fd < 0)
              {
                fprintf(stderr, "[File : %s] [Line : %d] open\n", __FILE__, __LINE__);
                continue;
                return 0;
              }

              // reads the header infor from binary file of the partitions
              ret = read(fd, read_binheader[ic], (sizeof (*(read_binheader[ic])) * read_binheader_count));
              if (ret < 0)
              {
                fprintf(stderr, "[File : %s] [Line : %d] read\n", __FILE__, __LINE__);
                return 0;
              }
              //assert(ret == (sizeof (*(read_binheader[ic])) * read_binheader_count));

              // copy the header from the partition file to the merged output file
              // do it only for first partition (this gets all info other than block offset nd count)
              if (ic == 0)
                memcpy(write_binheader, read_binheader[ic], 10 * sizeof (*write_binheader));

              int bpf = 0;
              size_t data_size = 0;
              off_t data_offset = 0;
              for (bpf = 0; bpf < shared_block_count; bpf++)
              {
                data_offset = ntohl(read_binheader[ic][(bpf + var * blocks_per_file)*10 + 12]);
                data_size = ntohl(read_binheader[ic][(bpf + var * blocks_per_file)*10 + 14]);
                fprintf(stderr, "[%s] [Partition %d Block %d Variable %d] --> Offset %d Count %d\n", partition_file_name, ic, bpf, var, (int)data_offset, (int)data_size);

                if (data_offset != 0 && data_size != 0)
                {
                  pread(fd, read_data_buffer[ic] + (bpf * samples_per_block * (bpv[var] / 8)), data_size, data_offset);

                  write_binheader[((bpf + var * blocks_per_file)*10 + 12)] = htonl(write_binheader_length + (bpf * data_size) + var * shared_block_count);
                  write_binheader[((bpf + var * blocks_per_file)*10 + 14)] = htonl(data_size);

                  // Merge happening while the shared block is being read
                  // Hardcoded stupid merge
                  // checks if value is not zero then copies to the write block
                  int m = 0;
                  for (m = 0; m < data_size / (bpv[var] / 8) ; m++)
                  {
                    double temp;
                    memcpy(&temp, read_data_buffer[ic] + (bpf * samples_per_block + m) * sizeof(double), sizeof(double));
                    if (temp != 0)
                      memcpy(write_data_buffer + ((bpf * samples_per_block) + m) * sizeof(double), &temp, sizeof(double));
                  }
                }
              }

              close(fd);
            }
            else
              continue;
          }

          //Merge after all the reads
          for (ic = 0; ic < idx_count[0] * idx_count[1] * idx_count[2]; ic++)
          {
            //input is read_data_buffer**
            //output is write_data_buffer*
          }

          if ( access( new_file_name, F_OK ) != -1 )
          {
            // file exists
            int fd;
            fd = open(new_file_name, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
            {
            }
            close(fd);
          }
          else
          {
            // file doesn't exist
            /*
            int r;
            for (r = 0; r < (shared_block_count * samples_per_block * bpv[var]/8) / sizeof(double); r++)
            {
              double dval;
              memcpy(&dval, write_data_buffer + r * sizeof(double), sizeof(double));
              fprintf(stderr, "value at %d = %f\n", r, dval);
            }
            */

            int fd;
            fd = open(new_file_name, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR);
            pwrite(fd, write_binheader, sizeof (*write_binheader)*(write_binheader_count), 0);
            pwrite(fd, write_data_buffer, shared_block_count * samples_per_block * bpv[var]/8, sizeof (*write_binheader)*(write_binheader_count));
            close(fd);
          }
        }
      }
      #endif
    }
  }


  shutdown_mpi();

  end_time = get_time();
  fprintf(stderr, "Total time taken = %f %f\n", end_time, start_time);

  return 0;
}
int main(int argc, char **argv)
{
  init_mpi(argc, argv);
  parse_args(argc, argv);
  check_args();
  calculate_per_process_offsets();
  create_synthetic_simulation_data();

  rank_0_print("Simulation Data Created\n");

  int ret;
  int var;
  int ts;
  PIDX_file file;            // IDX file descriptor
  PIDX_variable* variable;   // variable descriptor

  variable = malloc(sizeof(*variable) * variable_count);
  memset(variable, 0, sizeof(*variable) * variable_count);

  PIDX_point global_size, local_offset, local_size;
  PIDX_set_point_5D(global_size, global_box_size[0], global_box_size[1], global_box_size[2], 1, 1);
  PIDX_set_point_5D(local_offset, local_box_offset[0], local_box_offset[1], local_box_offset[2], 0, 0);
  PIDX_set_point_5D(local_size, local_box_size[0], local_box_size[1], local_box_size[2], 1, 1);

  //  Creating access
  PIDX_access access;
  PIDX_create_access(&access);
#if PIDX_HAVE_MPI
  PIDX_set_mpi_access(access, MPI_COMM_WORLD);
#endif

  for (ts = 0; ts < time_step_count; ts++)
  {
    //  PIDX mandatory calls
    ret = PIDX_file_create(output_file_name, PIDX_MODE_CREATE, access, global_size, &file);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_file_create");

    ret = PIDX_set_current_time_step(file, ts);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_set_current_time_step");
    ret = PIDX_set_variable_count(file, variable_count);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_set_variable_count");

    ret = PIDX_set_resolution(file, 0, reduced_resolution);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_set_resolution");

    char var_name[512];
    for (var = 0; var < variable_count; var++)
    {
      sprintf(var_name, "variable_%d", var);

      ret = PIDX_variable_create(var_name, sizeof(unsigned long long) * 8, FLOAT64, &variable[var]);
      if (ret != PIDX_success)  terminate_with_error_msg("PIDX_variable_create");

      ret = PIDX_variable_write_data_layout(variable[var], local_offset, local_size, data[var], PIDX_row_major);
      if (ret != PIDX_success)  terminate_with_error_msg("PIDX_variable_data_layout");

      ret = PIDX_append_and_write_variable(file, variable[var]);
      if (ret != PIDX_success)  terminate_with_error_msg("PIDX_append_and_write_variable");
    }

    ret = PIDX_close(file);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_close");
  }

  ret = PIDX_close_access(access);
  if (ret != PIDX_success)  terminate_with_error_msg("PIDX_close_access");

  free(variable);
  variable = 0;

  destroy_synthetic_simulation_data();
  shutdown_mpi();

  return 0;
}
Exemple #7
0
int main(int argc, char **argv)
{
  init_mpi(argc, argv);
  parse_args(argc, argv);
  check_args();
  calculate_per_process_offsets();
  create_synthetic_simulation_data();

  rank_0_print("Simulation Data Created\n");

  int ret, var, ts;
  PIDX_file file;            // IDX file descriptor
  PIDX_variable* variable;   // variable descriptor

  variable = (PIDX_variable*)malloc(sizeof(*variable) * variable_count);
  memset(variable, 0, sizeof(*variable) * variable_count);

  PIDX_point global_size, local_offset, local_size;
  PIDX_set_point_5D(global_size, global_box_size[0], global_box_size[1], global_box_size[2], 1, 1);
  PIDX_set_point_5D(local_offset, local_box_offset[0], local_box_offset[1], local_box_offset[2], 0, 0);
  PIDX_set_point_5D(local_size, local_box_size[0], local_box_size[1], local_box_size[2], 1, 1);

  //  Creating access
  PIDX_access access;
  PIDX_create_access(&access);
#if PIDX_HAVE_MPI
  PIDX_set_mpi_access(access, MPI_COMM_WORLD);
#endif

  for (ts = 0; ts < time_step_count; ts++)
  {
    //  PIDX mandatory calls
    ret = PIDX_file_create(output_file_name, PIDX_MODE_CREATE, access, global_size, &file);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_file_create");

    ret = PIDX_set_current_time_step(file, ts);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_set_current_time_step");
    ret = PIDX_set_variable_count(file, variable_count);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_set_variable_count");

    PIDX_disable_agg(file);

    PIDX_save_big_endian(file);

    //PIDX_dump_rst_info(file, 1);

    //PIDX_debug_rst(file, 1);
    //PIDX_debug_hz(file, 1);

    PIDX_point reg_patch_size;
    PIDX_set_point_5D(reg_patch_size, 128, 128, 128, 1, 1);
    PIDX_set_restructuring_box(file, reg_patch_size);
    //PIDX_GLOBAL_PARTITION_IDX_IO
    //PIDX_IDX_IO
    ret = PIDX_set_io_mode(file, PIDX_RAW_IO);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_set_variable_count");

    ret = PIDX_set_partition_size(file, partition_size[0], partition_size[1], partition_size[2]);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_set_partition_size");

    PIDX_set_block_count(file, 128);

    //ret = PIDX_set_aggregator_multiplier(file, aggregator_multiplier);
    //if (ret != PIDX_success)  terminate_with_error_msg("PIDX_set_partition_size");

    /*
    int io_type = PIDX_IDX_IO;
    switch (io_type)
    {
      case PIDX_GLOBAL_PARTITION_IDX_IO:
        PIDX_set_block_count(file,blocks_per_file);
        PIDX_set_block_size(file, 13);
        break;

      case PIDX_IDX_IO:
        PIDX_set_block_count(file,blocks_per_file);
        break;

      case PIDX_RAW_IO:
        PIDX_raw_io_pipe_length(file, 2);
        PIDX_point reg_patch_size;
        PIDX_set_point_5D(reg_patch_size, 128, 128, 128, 1, 1);
        PIDX_set_restructuring_box(file, reg_patch_size);
        break;
    }
    */

    //ret = PIDX_debug_disable_agg(file);
    //if (ret != PIDX_success)  terminate_with_error_msg("PIDX_debug_output");

    //ret = PIDX_debug_disable_io(file);
    //if (ret != PIDX_success)  terminate_with_error_msg("PIDX_debug_output");

    //ret = PIDX_debug_disable_hz(file);
    //if (ret != PIDX_success)  terminate_with_error_msg("PIDX_debug_output");

    for (var = 0; var < variable_count; var++)
    {
      if (bpv[var] == 32)
      {
        ret = PIDX_variable_create(var_name[var],  bpv[var], FLOAT32 , &variable[var]);
        if (ret != PIDX_success)  terminate_with_error_msg("PIDX_variable_create");
      }
      else if (bpv[var] == 192)
      {
        ret = PIDX_variable_create(var_name[var],  bpv[var], FLOAT64_RGB , &variable[var]);
        if (ret != PIDX_success)  terminate_with_error_msg("PIDX_variable_create");
      }
      else if (bpv[var] == 64)
      {
        ret = PIDX_variable_create(var_name[var],  bpv[var], FLOAT64 , &variable[var]);
        if (ret != PIDX_success)  terminate_with_error_msg("PIDX_variable_create");
      }

      ret = PIDX_variable_write_data_layout(variable[var], local_offset, local_size, data[var], PIDX_row_major);
      if (ret != PIDX_success)  terminate_with_error_msg("PIDX_variable_data_layout");

      ret = PIDX_append_and_write_variable(file, variable[var]);
      if (ret != PIDX_success)  terminate_with_error_msg("PIDX_append_and_write_variable");

      //PIDX_flush(file);
    }

    ret = PIDX_close(file);
    if (ret != PIDX_success)  terminate_with_error_msg("PIDX_close");
  }

  ret = PIDX_close_access(access);
  if (ret != PIDX_success)  terminate_with_error_msg("PIDX_close_access");

  free(variable);
  variable = 0;

  destroy_synthetic_simulation_data();
  shutdown_mpi();

  return 0;
}