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 
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);
62 uintptr_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 
65 starpu_mpi_ms_kernel_t _starpu_mpi_ms_src_get_kernel_from_codelet(struct starpu_codelet *cl, unsigned nimpl);
66 void(* _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__ */
Definition: copy_driver.h:127
Definition: jobs.h:79
Definition: node_ops.h:48