parallelization_util.h

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/*
 * Copyright (c) 2010-2015:  G-CSC, Goethe University Frankfurt
 * Authors: Andreas Vogel, Sebastian Reiter
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 */
 
#ifndef __H__UG__LIB_DISC__PARALLELIZATION__PARALLELIZATION_UTIL__
#define __H__UG__LIB_DISC__PARALLELIZATION__PARALLELIZATION_UTIL__
 
#include "pcl/pcl_util.h"
#include "lib_grid/parallelization/util/compol_interface_status.h"
#include "lib_algebra/parallelization/parallel_index_layout.h"
#include "lib_algebra/parallelization/communication_policies.h"
#include "lib_algebra/parallelization/parallel_vector.h"
#include "lib_algebra/parallelization/parallel_matrix.h"
#include "lib_disc/dof_manager/dof_distribution.h"
 
namespace ug
{
 
 
bool CreateLevelIndexLayout(  IndexLayout& layoutOut,
                              DoFDistribution& dofDistr,
                              GridLayoutMap& layoutMap,
                              int keyType, int level);
 
 
bool CreateSurfaceIndexLayout(  IndexLayout& layoutOut,
                              DoFDistribution& dofDistr,
                              GridLayoutMap& layoutMap,
                              int keyType,
                              MultiGrid& mg, DistributedGridManager& dGrMgr);
 
 
bool CreateIndexLayouts_DomainDecomposition(
            IndexLayout& processLayoutOut,
            IndexLayout& subdomainLayoutOut,
            DoFDistribution& dofDistr,
            GridLayoutMap& layoutMap,
            int keyType, int level,
            pcl::IDomainDecompositionInfo* ddInfoIn);
 
 
// returns in a vector all appearencies of an index in a layout
void FindPositionInInterfaces(std::vector<std::pair<int, size_t> >& vIndexInterface,
                                     const IndexLayout& layout, size_t index);
 
bool AddExtraProcessEntriesToSubdomainLayout(
                size_t numIDs,
                IndexLayout& processMasterLayoutIn,
                IndexLayout& processSlaveLayoutIn,
                IndexLayout& subdomainMasterLayoutInOut,
                IndexLayout& subdomainSlaveLayoutInOut);
 
 
void PermuteIndicesInIndexLayout( IndexLayout& layout,
                  const std::vector<size_t>& vIndNew);
 
}// end of namespace
 
#endif