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starpu_mpi_nmad_backend.h
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/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2009-2022 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
*
* 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_NMAD_BACKEND_H__
#define __STARPU_MPI_NMAD_BACKEND_H__
#include <common/config.h>
#include <common/starpu_spinlock.h>
#ifdef __cplusplus
extern "C"
{
#endif
#ifdef STARPU_USE_MPI_NMAD
#include <nm_sendrecv_interface.h>
#include <nm_session_interface.h>
#include <nm_mpi_nmad.h>
struct _starpu_mpi_req_backend
{
nm_gate_t gate;
nm_session_t session;
nm_sr_request_t data_request;
piom_cond_t req_cond;
int posted; // with coop, only one request is really posted, we need to know if the request was really posted to possibly free data
int has_received_data; // tell if request went through _starpu_mpi_handle_received_data() to release write lock
int finalized; // tell if _starpu_mpi_handle_request_termination() was called, so starpu_mpi_test() and starpu_mpi_wait() have to free the request
int to_destroy; // tell if starpu_mpi_wait() or starpu_mpi_test() was called before _starpu_mpi_handle_request_termination() and thus this last function will have to free the request
struct _starpu_spinlock finalized_to_destroy_lock;
struct nm_data_s unknown_datatype_data; // will contain size of the datatype and data itself
struct iovec unknown_datatype_v[2];
};
#endif // STARPU_USE_MPI_NMAD
#ifdef __cplusplus
}
#endif
#endif // __STARPU_MPI_NMAD_BACKEND_H__
_starpu_mpi_req_backend::unknown_datatype_data
struct nm_data_s unknown_datatype_data
Definition starpu_mpi_nmad_backend.h:50
_starpu_mpi_req_backend
Definition starpu_mpi_mpi_backend.h:59
starpu_spinlock.h
_starpu_spinlock
Definition starpu_spinlock.h:82