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attachment_operations.hpp
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1/*
2 * Copyright (c) 2015: G-CSC, Goethe University Frankfurt
3 * Authors: Sebastian Reiter, Dmitriy Logashenko
4 *
5 * This file is part of UG4.
6 *
7 * UG4 is free software: you can redistribute it and/or modify it under the
8 * terms of the GNU Lesser General Public License version 3 (as published by the
9 * Free Software Foundation) with the following additional attribution
10 * requirements (according to LGPL/GPL v3 §7):
11 *
12 * (1) The following notice must be displayed in the Appropriate Legal Notices
13 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
14 *
15 * (2) The following notice must be displayed at a prominent place in the
16 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
17 *
18 * (3) The following bibliography is recommended for citation and must be
19 * preserved in all covered files:
20 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
21 * parallel geometric multigrid solver on hierarchically distributed grids.
22 * Computing and visualization in science 16, 4 (2013), 151-164"
23 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
24 * flexible software system for simulating pde based models on high performance
25 * computers. Computing and visualization in science 16, 4 (2013), 165-179"
26 *
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU Lesser General Public License for more details.
31 */
32
33#ifndef __H__UG_PCL_ATTACHMENT_OPERATIONS__
34#define __H__UG_PCL_ATTACHMENT_OPERATIONS__
35
39
40namespace ug{
41
54template <typename TElem, typename AType>
56(
57 Grid& grid,
58 AType aValue,
60)
61{
62 typedef typename GridLayoutMap::Types<TElem>::Layout layout_t;
63
66
67 ComPol_AttachmentReduce<layout_t, AType> cpAValue (grid, aValue, op);
68
69 icom.exchange_data (glm, INT_H_SLAVE, INT_H_MASTER, cpAValue);
70
71 icom.communicate();
72
73 ComPol_CopyAttachment<layout_t, AType> cpCopyAValue (grid, aValue);
74
75 icom.exchange_data (glm, INT_H_MASTER, INT_H_SLAVE, cpCopyAValue);
76
77 icom.communicate();
78}
79
80} // end of namespace ug
81
82#endif // __H__UG_PCL_ATTACHMENT_OPERATIONS__
83
84/* End of File */
Performs communication between interfaces on different processes.
Definition pcl_interface_communicator.h:68
bool communicate(int tag=749345)
sends and receives the collected data.
Definition pcl_interface_communicator_impl.hpp:409
void exchange_data(const TLayoutMap &layoutMap, const typename TLayoutMap::Key &keyFrom, const typename TLayoutMap::Key &keyTo, ICommunicationPolicy< TLayout > &commPol)
internally calls send_data and receive_data with the specified layouts.
Definition pcl_interface_communicator_impl.hpp:213
Performs reduce operations on the specified attachment.
Definition compol_attachment_reduce.h:274
copies values from a specified attachment to a stream and back.
Definition compol_copy_attachment.h:54
GridLayoutMap & grid_layout_map()
Definition distributed_grid.h:103
Manages the elements of a grid and their interconnection.
Definition grid.h:132
DistributedGridManager * distributed_grid_manager()
returns a pointer to the associated distributed grid manager.
Definition grid_impl.hpp:53
lets you access layouts by type and key
Definition parallel_grid_layout.h:152
MPI_Op ReduceOperation
Definition pcl_methods.h:74
the ug namespace
@ INT_H_MASTER
horizontal master node
Definition parallel_grid_layout.h:104
@ INT_H_SLAVE
horizontal slave node
Definition parallel_grid_layout.h:105
void AttachmentAllReduce(Grid &grid, AType aValue, pcl::ReduceOperation op)
Definition attachment_operations.hpp:56
pcl::MultiLevelLayout< Interface > Layout
Definition parallel_grid_layout.h:161