xt_redist.h

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/*
 * Keywords:
 * Maintainer: Jörg Behrens <behrens@dkrz.de>
 *             Moritz Hanke <hanke@dkrz.de>
 *             Thomas Jahns <jahns@dkrz.de>
 * URL: https://dkrz-sw.gitlab-pages.dkrz.de/yaxt/
 *
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#ifndef XT_REDIST_H
#define XT_REDIST_H
 
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
 
#include <mpi.h>
 
#include "xt/xt_core.h"
#include "xt/xt_request.h"
 
struct Xt_redist_msg {
 
  int rank;
#if SIZEOF_MPI_DATATYPE == 2 * SIZEOF_INT
  int padding;
#endif
  MPI_Datatype datatype;
};
 
Xt_redist xt_redist_copy(Xt_redist redist);
 
void xt_redist_delete(Xt_redist redist);
 
void xt_redist_s_exchange(Xt_redist redist, int num_arrays,
                          const void **src_data, void **dst_data);
 
void xt_redist_a_exchange(Xt_redist redist, int num_arrays,
                          const void **src_data, void **dst_data,
                          Xt_request *request);
 
void xt_redist_s_exchange1(Xt_redist redist, const void *src_data, void *dst_data);
 
void xt_redist_a_exchange1(Xt_redist redist, const void *src_data,
                           void *dst_data, Xt_request *request);
 
int xt_redist_get_num_send_msg(Xt_redist redist);
 
int xt_redist_get_num_recv_msg(Xt_redist redist);
 
MPI_Datatype xt_redist_get_send_MPI_Datatype(Xt_redist redist, int rank);
 
MPI_Datatype xt_redist_get_recv_MPI_Datatype(Xt_redist redist, int rank);
 
MPI_Comm xt_redist_get_MPI_Comm(Xt_redist redist);
 
#endif // XT_REDIST_H
 
/*
 * Local Variables:
 * c-basic-offset: 2
 * coding: utf-8
 * indent-tabs-mode: nil
 * show-trailing-whitespace: t
 * require-trailing-newline: t
 * End:
 */