/usr/include/palabos/multiBlock/staticRepartitions2D.h is in libplb-dev 1.5~r1+repack1-2build2.
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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 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | /* 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/>.
*/
/** \file
* Utilities for 2D multi data distributions -- header file.
*/
#ifndef STATIC_REPARTITIONS_2D_H
#define STATIC_REPARTITIONS_2D_H
#include "parallelism/mpiManager.h"
#include "core/globalDefs.h"
#include "atomicBlock/dataField2D.h"
#include "multiBlock/sparseBlockStructure2D.h"
namespace plb {
/// A 2D field of scalar values used to indicate the type of the cells.
/// Any positive value indicates an active (bulk, boundary) cell,
/// while zero indicates a non-active (no-dynamics) cell
typedef ScalarField2D<unsigned char> CellTypeField2D;
/// Create a regular data distribution confined by domain.
SparseBlockStructure2D createRegularDistribution2D (
plint nx, plint ny, plint numBlocksX, plint numBlocksY );
/// Create a nx-by-ny data distribution
SparseBlockStructure2D createRegularDistribution2D (
Box2D const& domain, plint numBlocksX, plint numBlocksY );
/// Create a data distribution with regular blocks, as evenly distributed as possible
SparseBlockStructure2D
createRegularDistribution2D(plint nx, plint ny,
int numProc = global::mpi().getSize());
/// Create a data distribution with regular blocks, as evenly distributed as possible
SparseBlockStructure2D createRegularDistribution2D(Box2D const& domain,
int numProc = global::mpi().getSize());
/// Re-create a distribution by covering it with regular blocks.
SparseBlockStructure2D reparallelize(SparseBlockStructure2D const& originalStructure,
plint blockLx, plint blockLy);
/// Re-create a distribution by covering it with regular blocks.
SparseBlockStructure2D reparallelize(SparseBlockStructure2D const& originalStructure);
/// Create a data distribution by slicing the domain (a block of nX*nY cells
/// as defined by cellTypeField) into numBlocks blocks along the x-direction.
/// The x-extent of the blocks is chosen such as to obtain an approximately
/// equal number of active cells in each block.
SparseBlockStructure2D createXSlicedDistribution2D (
CellTypeField2D const& cellTypeField,
plint numBlocks );
/// cf above.
SparseBlockStructure2D createYSlicedDistribution2D (
CellTypeField2D const& cellTypeField,
plint numBlocks );
/// Create x-sliced data distribution, balancing the number of active cells between blocks,
/// implicitly setting numBlocks = #processors
SparseBlockStructure2D createXSlicedDistribution2D (
CellTypeField2D const& cellTypeField );
/// cf above
SparseBlockStructure2D createYSlicedDistribution2D (
CellTypeField2D const& cellTypeField );
} // namespace plb
#endif // STATIC_REPARTITIONS_2D_H
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