StarPU Internal Handbook

driver_mpi_source.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_SOURCE_H__
18#define __DRIVER_MPI_SOURCE_H__
19
22#include <drivers/mp_common/mp_common.h>
23#include <starpu_mpi_ms.h>
24#include <datawizard/node_ops.h>
25
26#ifdef STARPU_USE_MPI_MASTER_SLAVE
27
28 extern struct _starpu_node_ops _starpu_driver_mpi_node_ops;
29
32 extern struct _starpu_mp_node *_starpu_mpi_ms_nodes[STARPU_MAXMPIDEVS];
33 struct _starpu_mp_node *_starpu_mpi_src_get_mp_node_from_memory_node(int memory_node);
34 struct _starpu_mp_node *_starpu_mpi_ms_src_get_actual_thread_mp_node();
35
36 unsigned _starpu_mpi_src_get_device_count();
37 void *_starpu_mpi_src_worker(void *arg);
38
39 void _starpu_mpi_source_init(struct _starpu_mp_node *node);
40 void _starpu_mpi_source_deinit(struct _starpu_mp_node *node);
41
42 int _starpu_mpi_src_allocate_memory(void ** addr, size_t size, unsigned memory_node);
43 void _starpu_mpi_source_free_memory(void *addr, unsigned memory_node);
44
45 int _starpu_mpi_copy_mpi_to_ram_sync(void *src, unsigned src_node, void *dst, unsigned dst_node STARPU_ATTRIBUTE_UNUSED, size_t size);
46 int _starpu_mpi_copy_ram_to_mpi_sync(void *src, unsigned src_node STARPU_ATTRIBUTE_UNUSED, void *dst, unsigned dst_node, size_t size);
47 int _starpu_mpi_copy_sink_to_sink_sync(void *src, unsigned src_node, void *dst, unsigned dst_node, size_t size);
48
49 int _starpu_mpi_copy_mpi_to_ram_async(void *src, unsigned src_node, void *dst, unsigned dst_node STARPU_ATTRIBUTE_UNUSED, size_t size, void * event);
50 int _starpu_mpi_copy_ram_to_mpi_async(void *src, unsigned src_node STARPU_ATTRIBUTE_UNUSED, void *dst, unsigned dst_node, size_t size, void * event);
51 int _starpu_mpi_copy_sink_to_sink_async(void *src, unsigned src_node, void *dst, unsigned dst_node, size_t size, void * event);
52
53 int _starpu_mpi_copy_interface_from_mpi_to_cpu(starpu_data_handle_t handle, void *src_interface, unsigned src_node, void *dst_interface, unsigned dst_node, struct _starpu_data_request *req);
54 int _starpu_mpi_copy_interface_from_mpi_to_mpi(starpu_data_handle_t handle, void *src_interface, unsigned src_node, void *dst_interface, unsigned dst_node, struct _starpu_data_request *req);
55 int _starpu_mpi_copy_interface_from_cpu_to_mpi(starpu_data_handle_t handle, void *src_interface, unsigned src_node, void *dst_interface, unsigned dst_node, struct _starpu_data_request *req);
56
57 int _starpu_mpi_copy_data_from_mpi_to_cpu(uintptr_t src, size_t src_offset, unsigned src_node, uintptr_t dst, size_t dst_offset, unsigned dst_node, size_t size, struct _starpu_async_channel *async_channel);
58 int _starpu_mpi_copy_data_from_mpi_to_mpi(uintptr_t src, size_t src_offset, unsigned src_node, uintptr_t dst, size_t dst_offset, unsigned dst_node, size_t size, struct _starpu_async_channel *async_channel);
59 int _starpu_mpi_copy_data_from_cpu_to_mpi(uintptr_t src, size_t src_offset, unsigned src_node, uintptr_t dst, size_t dst_offset, unsigned dst_node, size_t size, struct _starpu_async_channel *async_channel);
60
61 int _starpu_mpi_is_direct_access_supported(unsigned node, unsigned handling_node);
62uintptr_t _starpu_mpi_malloc_on_node(unsigned dst_node, size_t size, int flags);
63 void _starpu_mpi_free_on_node(unsigned dst_node, uintptr_t addr, size_t size, int flags);
64
65starpu_mpi_ms_kernel_t _starpu_mpi_ms_src_get_kernel_from_codelet(struct starpu_codelet *cl, unsigned nimpl);
66void(* _starpu_mpi_ms_src_get_kernel_from_job(const struct _starpu_mp_node *node STARPU_ATTRIBUTE_UNUSED, struct _starpu_job *j))(void);
67
68#endif /* STARPU_USE_MPI_MASTER_SLAVE */
69
70#endif /* __DRIVER_MPI_SOURCE_H__ */
_starpu_async_channel
Definition: copy_driver.h:127
mp_common.h
node_ops.h
_starpu_job
Definition: jobs.h:79
_starpu_node_ops
Definition: node_ops.h:48