| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2011-2024 OpenFOAM Foundation | |
| \\/ M anipulation | | |
| ------------------------------------------------------------------------------- | |
| License | |
| This file is part of OpenFOAM. | |
| OpenFOAM is free software: you can redistribute it and/or modify it | |
| under the terms of the GNU General Public License as published by | |
| the Free Software Foundation, either version 3 of the License, or | |
| (at your option) any later version. | |
| OpenFOAM 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 General Public License | |
| for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. | |
| Description | |
| Test speeds for some HashTable operations | |
| \*---------------------------------------------------------------------------*/ | |
| using namespace Foam; | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // Main program: | |
| int main(int argc, char *argv[]) | |
| { | |
| const label nLoops = 30; | |
| const label nBase = 100000; | |
| const label nSize = nLoops * nBase; | |
| cpuTime timer; | |
| Map<label> map(2*nSize); | |
| Info<< "Constructed map of size: " << nSize | |
| << " (size " << map.size() << " capacity " << map.capacity() << ") " | |
| << " " << timer.cpuTimeIncrement() << " s\n\n"; | |
| for (label i = 0; i < nSize; i++) | |
| { | |
| map.insert(i, i); | |
| } | |
| Info<< "Inserted " << nSize << " elements" | |
| << " (size " << map.size() << " capacity " << map.capacity() << ") " | |
| << timer.cpuTimeIncrement() << " s\n"; | |
| label elemi = 0; | |
| for (label iLoop = 0; iLoop < nLoops; iLoop++) | |
| { | |
| for (label i = 0; i < nBase; i++) | |
| { | |
| map.erase(elemi++); | |
| } | |
| map.shrink(); | |
| Info<< "loop " << iLoop << " - Erased " << nBase << " elements" | |
| << " (size " << map.size() << " capacity " << map.capacity() << ") " | |
| << timer.cpuTimeIncrement() << " s\n"; | |
| } | |
| return 0; | |
| } | |
| // ************************************************************************* // | |