/usr/include/palabos/offLattice/domainClustering3D.h is in libplb-dev 1.5~r1+repack1-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | /* This file is part of the Palabos library.
*
* Copyright (C) 2011-2015 FlowKit Sarl
* Route d'Oron 2
* 1010 Lausanne, Switzerland
* E-mail contact: contact@flowkit.com
*
* The most recent release of Palabos can be downloaded at
* <http://www.palabos.org/>
*
* The library Palabos is free software: you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* The library 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DOMAIN_CLUSTERING_3D_H
#define DOMAIN_CLUSTERING_3D_H
#include "core/globalDefs.h"
#include "parallelism/mpiManager.h"
#include "multiBlock/sparseBlockStructure3D.h"
#include <vector>
#include <set>
namespace plb {
#ifdef PLB_MPI_PARALLEL
class BlockWithContact;
ExplicitThreadAttribution* optimalThreadAttribution(SparseBlockStructure3D const& sparseBlock, ThreadAttribution const& oldThreadAttribution);
std::vector<plint> optimalRepartition(SparseBlockStructure3D const& sparseBlock, std::vector<plint> localBlocks);
/// Provide explicitly a list of all blocks which, before re-attribution, are local (instead of providing
/// a thread-attribution. The body of this function is executed by all MPI threads except for the main one.
std::vector<plint> tryOptimalRepartition(SparseBlockStructure3D const& sparseBlock, std::vector<plint> localBlocks);
/// The body of this function is executed only by the main MPI thread.
std::vector<plint> mainProcessorRepartition(SparseBlockStructure3D const& sparseBlock, std::set<plint> localBlocks);
/// Execute one iteration step of the Las Vegas method.
void repartitionIter(SparseBlockStructure3D const& sparseBlock, std::set<plint>& localBlocks, int myPartner, bool exchangeAnyway);
/// On the current MPI thread compute the fitness of the current block repartition, i.e. the number
/// of contacts between local blocks, and returned detailed contact info for each block.
void evaluateNeighbors (
SparseBlockStructure3D const& sparseBlock, std::set<plint> const& localBlocks,
std::vector<BlockWithContact>& contacts, plint& totalContacts );
/// Count the number of contacts between local blocks. This could also be obtained through the function
/// evaluateNeighbors, which however would be slower.
plint getNumLocalNeighbors(SparseBlockStructure3D const& sparseBlock, std::set<plint> const& localBlocks);
/// Count the number of contacts for one given local block.
plint getNumLocalNeighbors(SparseBlockStructure3D const& sparseBlock, std::set<plint> const& localBlocks, plint blockId);
#endif // PLB_MPI_PARALLEL
} // namespace plb
#endif // DOMAIN_CLUSTERING_3D_H
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