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134 lines
4.0 KiB
C++
134 lines
4.0 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2017-2018 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::fileOperations::hostCollatedFileOperation
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Description
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Version of collatedFileOperation with multiple read/write ranks.
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In parallel it will assume ranks are sorted according to hostname
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and the lowest rank per hostname will be the IO rank. The output directories
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will get a unique name processors\<N\>_\<low\>-\<high\> where N is the
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overall number of processors and low and high is the range of ranks
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contained in the files. Each of these subsets uses its own communicator.
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Instead of using the hostnames the IO ranks can be assigned using the
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FOAM_IORANKS environment variable (also when running non-parallel), e.g.
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when decomposing into 4:
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FOAM_IORANKS='(0 2)' decomposePar -fileHandler hostCollated
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will generate
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processors4_0-1/
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containing data for processors 0 to 1
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processors4_2-3/
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containing data for processors 2 to 3
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See also
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collatedFileOperation
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SourceFiles
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hostCollatedFileOperation.C
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\*---------------------------------------------------------------------------*/
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#ifndef fileOperations_hostCollatedFileOperation_H
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#define fileOperations_hostCollatedFileOperation_H
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#include "collatedFileOperation.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace fileOperations
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{
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/*---------------------------------------------------------------------------*\
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Class hostCollatedFileOperation Declaration
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\*---------------------------------------------------------------------------*/
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class hostCollatedFileOperation
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:
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public collatedFileOperation
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{
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// Private Member Functions
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//- Get the list of processors part of this set
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static labelList subRanks(const label n);
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public:
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//- Runtime type information
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TypeName("hostCollated");
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// Constructors
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//- Construct null
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hostCollatedFileOperation(const bool verbose);
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//- Destructor
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virtual ~hostCollatedFileOperation();
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};
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/*---------------------------------------------------------------------------*\
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Class hostCollatedFileOperationInitialise Declaration
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\*---------------------------------------------------------------------------*/
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class hostCollatedFileOperationInitialise
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:
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public collatedFileOperationInitialise
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{
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public:
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// Constructors
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//- Construct from components
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hostCollatedFileOperationInitialise(int& argc, char**& argv)
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:
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collatedFileOperationInitialise(argc, argv)
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{}
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//- Destructor
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virtual ~hostCollatedFileOperationInitialise() = default;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace fileOperations
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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