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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | /* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2009, 2010 Université de Bordeaux 1
* Copyright (C) 2010, 2011 Centre National de la Recherche Scientifique
*
* StarPU is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* StarPU is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* See the GNU Lesser General Public License in COPYING.LGPL for more details.
*/
#ifndef __STARPU_MPI_H__
#define __STARPU_MPI_H__
#include <starpu.h>
#include <mpi.h>
typedef void *starpu_mpi_req;
int starpu_mpi_isend(starpu_data_handle data_handle, starpu_mpi_req *req, int dest, int mpi_tag, MPI_Comm comm);
int starpu_mpi_irecv(starpu_data_handle data_handle, starpu_mpi_req *req, int source, int mpi_tag, MPI_Comm comm);
int starpu_mpi_send(starpu_data_handle data_handle, int dest, int mpi_tag, MPI_Comm comm);
int starpu_mpi_recv(starpu_data_handle data_handle, int source, int mpi_tag, MPI_Comm comm, MPI_Status *status);
int starpu_mpi_isend_detached(starpu_data_handle data_handle, int dest, int mpi_tag, MPI_Comm comm, void (*callback)(void *), void *arg);
int starpu_mpi_irecv_detached(starpu_data_handle data_handle, int source, int mpi_tag, MPI_Comm comm, void (*callback)(void *), void *arg);
int starpu_mpi_wait(starpu_mpi_req *req, MPI_Status *status);
int starpu_mpi_test(starpu_mpi_req *req, int *flag, MPI_Status *status);
int starpu_mpi_barrier(MPI_Comm comm);
int starpu_mpi_initialize(void);
int starpu_mpi_initialize_extended(int *rank, int *world_size);
int starpu_mpi_shutdown(void);
int starpu_mpi_insert_task(MPI_Comm comm, starpu_codelet *codelet, ...);
void starpu_mpi_get_data_on_node(MPI_Comm comm, starpu_data_handle data_handle, int node);
/* Some helper functions */
/* When the transfer is completed, the tag is unlocked */
int starpu_mpi_isend_detached_unlock_tag(starpu_data_handle data_handle, int dest, int mpi_tag, MPI_Comm comm, starpu_tag_t tag);
int starpu_mpi_irecv_detached_unlock_tag(starpu_data_handle data_handle, int source, int mpi_tag, MPI_Comm comm, starpu_tag_t tag);
/* Asynchronously send an array of buffers, and unlocks the tag once all of
* them are transmitted. */
int starpu_mpi_isend_array_detached_unlock_tag(unsigned array_size,
starpu_data_handle *data_handle, int *dest, int *mpi_tag,
MPI_Comm *comm, starpu_tag_t tag);
int starpu_mpi_irecv_array_detached_unlock_tag(unsigned array_size,
starpu_data_handle *data_handle, int *source, int *mpi_tag,
MPI_Comm *comm, starpu_tag_t tag);
#endif // __STARPU_MPI_H__
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