StarPU Internal Handbook

driver_mpi_common.h
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1/* StarPU --- Runtime system for heterogeneous multicore architectures.
2 *
3 * Copyright (C) 2016-2021 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
4 *
5 * StarPU is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as published by
7 * the Free Software Foundation; either version 2.1 of the License, or (at
8 * your option) any later version.
9 *
10 * StarPU is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 *
14 * See the GNU Lesser General Public License in COPYING.LGPL for more details.
15 */
16
17#ifndef __DRIVER_MPI_COMMON_H__
18#define __DRIVER_MPI_COMMON_H__
19
22#include <drivers/mp_common/mp_common.h>
23#include <drivers/mpi/driver_mpi_source.h>
24
25#ifdef STARPU_USE_MPI_MASTER_SLAVE
26
27#define SYNC_TAG 44
28#define ASYNC_TAG 45
29
30 int _starpu_mpi_common_mp_init();
31 void _starpu_mpi_common_mp_deinit();
32
33 int _starpu_mpi_common_is_src_node();
34 int _starpu_mpi_common_get_src_node();
35
36 int _starpu_mpi_common_is_mp_initialized();
37 int _starpu_mpi_common_recv_is_ready(const struct _starpu_mp_node *mp_node);
38
39 void _starpu_mpi_common_mp_initialize_src_sink(struct _starpu_mp_node *node);
40
41 void _starpu_mpi_common_send(const struct _starpu_mp_node *node, void *msg, int len, void * event);
42 void _starpu_mpi_common_recv(const struct _starpu_mp_node *node, void *msg, int len, void * event);
43
44 void _starpu_mpi_common_mp_send(const struct _starpu_mp_node *node, void *msg, int len);
45 void _starpu_mpi_common_mp_recv(const struct _starpu_mp_node *node, void *msg, int len);
46
47 void _starpu_mpi_common_recv_from_device(const struct _starpu_mp_node *node, int src_devid, void *msg, int len, void * event);
48 void _starpu_mpi_common_send_to_device(const struct _starpu_mp_node *node, int dst_devid, void *msg, int len, void * event);
49
50 unsigned _starpu_mpi_common_test_event(struct _starpu_async_channel * event);
51 void _starpu_mpi_common_wait_request_completion(struct _starpu_async_channel * event);
52
53 void _starpu_mpi_common_barrier(void);
54
55 void _starpu_mpi_common_measure_bandwidth_latency(double bandwidth_dtod[STARPU_MAXMPIDEVS][STARPU_MAXMPIDEVS], double latency_dtod[STARPU_MAXMPIDEVS][STARPU_MAXMPIDEVS]);
56
57#endif /* STARPU_USE_MPI_MASTER_SLAVE */
58
59#endif /* __DRIVER_MPI_COMMON_H__ */
_starpu_async_channel
Definition: copy_driver.h:127
driver_mpi_source.h
mp_common.h