FichierHDFPar.cpp

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#include <FichierHDFPar.h>
 
#ifdef MPI_
#include <comm_incl.h>
#include <Comm_Group_MPI.h>
#endif
 
FichierHDFPar::FichierHDFPar() :
  FichierHDF(), collective_op_(false)
{
#ifndef MPI_
  Cerr << "FichierHDFPar needs MPI to be used!" << finl;
  Process::exit(-1);
#endif
}
 
FichierHDFPar::~FichierHDFPar() {}
 
void FichierHDFPar::prepare_file_props()
{
  FichierHDF::prepare_file_props();
#ifdef MPI_
 
  MPI_Info infos;
  MPI_Info_create(&infos); // not used for now. CCRT supports advise to leave empty.
 
#ifdef MED_
  H5Pset_fapl_mpio( file_access_plst_, Comm_Group_MPI::get_trio_u_world(), infos);
 
  //on cluster, type lfs getstripe . to see the default striping of the current repository
  hsize_t stripe_size = 1048576; //1572864;
  H5Pset_alignment(file_access_plst_, 0, stripe_size);
#endif
 
  MPI_Info_free(&infos);
#endif
}
 
void FichierHDFPar::prepare_dataset_props()
{
  FichierHDF::prepare_dataset_props();
#ifdef MED_
#ifdef MPI_
  if(collective_op_)
    H5Pset_dxpl_mpio(dataset_transfer_plst_, H5FD_MPIO_COLLECTIVE);
#endif
#endif
 
  // int rank = Process::me();
 
  // //Build expected dataset name for the current proc (with the trailing _000x stuff)
  // Nom dataset_full_name = dataset_name;
  // dataset_full_name.nom_me(rank);
}