StarPU Internal Handbook
driver_mpi_common.h
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1 /* StarPU --- Runtime system for heterogeneous multicore architectures.
2  *
3  * Copyright (C) 2016-2022 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 
24 
25 #pragma GCC visibility push(hidden)
26 
27 #ifdef STARPU_USE_MPI_MASTER_SLAVE
28 
29 #define SYNC_TAG 44
30 #define ASYNC_TAG 45
31 #define NOTIF_TAG 46
32 
33 extern int _starpu_mpi_common_multiple_thread;
34 
35 int _starpu_mpi_common_mp_init();
36 void _starpu_mpi_common_mp_deinit();
37 
38 int _starpu_mpi_common_is_src_node();
39 int _starpu_mpi_common_get_src_node();
40 
41 int _starpu_mpi_common_is_mp_initialized();
42 int _starpu_mpi_common_recv_is_ready(const struct _starpu_mp_node *mp_node);
43 int _starpu_mpi_common_notif_recv_is_ready(const struct _starpu_mp_node *mp_node);
44 int _starpu_mpi_common_notif_send_is_ready(const struct _starpu_mp_node *mp_node);
45 
46 void _starpu_mpi_common_mp_initialize_src_sink(struct _starpu_mp_node *node);
47 
48 void _starpu_mpi_common_send(const struct _starpu_mp_node *node, void *msg, int len, void * event);
49 void _starpu_mpi_common_recv(const struct _starpu_mp_node *node, void *msg, int len, void * event);
50 
51 void _starpu_mpi_common_mp_send(const struct _starpu_mp_node *node, void *msg, int len);
52 void _starpu_mpi_common_mp_recv(const struct _starpu_mp_node *node, void *msg, int len);
53 
54 void _starpu_mpi_common_nt_send(const struct _starpu_mp_node *node, void *msg, int len);
55 void _starpu_mpi_common_nt_recv(const struct _starpu_mp_node *node, void *msg, int len);
56 
57 void _starpu_mpi_common_recv_from_device(const struct _starpu_mp_node *node, int src_devid, void *msg, int len, void * event);
58 void _starpu_mpi_common_send_to_device(const struct _starpu_mp_node *node, int dst_devid, void *msg, int len, void * event);
59 
60 unsigned int _starpu_mpi_common_test_event(struct _starpu_async_channel * event);
61 void _starpu_mpi_common_wait_request_completion(struct _starpu_async_channel * event);
62 
63 void _starpu_mpi_common_barrier(void);
64 
65 void _starpu_mpi_common_measure_bandwidth_latency(double bandwidth_dtod[STARPU_MAXMPIDEVS][STARPU_MAXMPIDEVS], double latency_dtod[STARPU_MAXMPIDEVS][STARPU_MAXMPIDEVS]);
66 
67 #endif /* STARPU_USE_MPI_MASTER_SLAVE */
68 
69 #pragma GCC visibility pop
70 
71 #endif /* __DRIVER_MPI_COMMON_H__ */
Definition: copy_driver.h:71