Commit e8f00e0a authored by BRAMAS Berenger's avatar BRAMAS Berenger

pure omp4 fined granularity algorithm - looks like it works

parent 1c600ab1
This diff is collapsed.
// ===================================================================================
// Copyright ScalFmm 2011 INRIA, Olivier Coulaud, Bérenger Bramas, Matthias Messner
// olivier.coulaud@inria.fr, berenger.bramas@inria.fr
// This software is a computer program whose purpose is to compute the FMM.
//
// This software is governed by the CeCILL-C and LGPL licenses and
// abiding by the rules of distribution of free software.
//
// 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 General Public and CeCILL-C Licenses for more details.
// "http://www.cecill.info".
// "http://www.gnu.org/licenses".
// ===================================================================================
// @SCALFMM_PRIVATE
// @FUSE_OMP4
#include <iostream>
#include <cstdio>
#include "../../Src/Utils/FParameters.hpp"
#include "../../Src/Utils/FTic.hpp"
#include "../../Src/Containers/FOctree.hpp"
#include "../../Src/Containers/FVector.hpp"
#include "../../Src/Components/FSimpleLeaf.hpp"
#include "../../Src/Utils/FPoint.hpp"
#include "../../Src/Components/FTestParticleContainer.hpp"
#include "../../Src/Components/FTestCell.hpp"
#include "../../Src/Components/FTestKernels.hpp"
#include "../../Src/Core/FFmmAlgorithmOmp4.hpp"
#include "../../Src/Components/FBasicKernels.hpp"
#include "../../Src/Files/FRandomLoader.hpp"
#include "../../Src/Utils/FParameterNames.hpp"
/** This program show an example of use of the fmm basic algo
* it also check that each particles is impacted each other particles
*/
// Simply create particles and try the kernels
int main(int argc, char ** argv){
FHelpDescribeAndExit(argc, argv,
"Test FMM algorithm by counting the nb of interactions each particle receive.",
FParameterDefinitions::OctreeHeight, FParameterDefinitions::OctreeSubHeight,
FParameterDefinitions::NbParticles);
typedef double FReal;
typedef FTestCell CellClass;
typedef FTestParticleContainer<FReal> ContainerClass;
typedef FSimpleLeaf<FReal, ContainerClass > LeafClass;
typedef FOctree<FReal, CellClass, ContainerClass , LeafClass > OctreeClass;
typedef FTestKernels< CellClass, ContainerClass > KernelClass;
typedef FFmmAlgorithmOmp4<OctreeClass, CellClass, ContainerClass, KernelClass, LeafClass > FmmClass;
///////////////////////What we do/////////////////////////////
std::cout << ">> This executable has to be used to test the FMM algorithm.\n";
//////////////////////////////////////////////////////////////
const int NbLevels = FParameters::getValue(argc,argv,FParameterDefinitions::OctreeHeight.options, 7);
const int SizeSubLevels = FParameters::getValue(argc,argv,FParameterDefinitions::OctreeSubHeight.options, 3);
const FSize NbPart = FParameters::getValue(argc,argv,FParameterDefinitions::NbParticles.options, FSize(2000000));
FTic counter;
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
FRandomLoader<FReal> loader(NbPart, 1, FPoint<FReal>(0.5,0.5,0.5), 1);
OctreeClass tree(NbLevels, SizeSubLevels, loader.getBoxWidth(), loader.getCenterOfBox());
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
std::cout << "Creating & Inserting " << NbPart << " particles ..." << std::endl;
std::cout << "\tHeight : " << NbLevels << " \t sub-height : " << SizeSubLevels << std::endl;
counter.tic();
{
FPoint<FReal> particlePosition;
for(FSize idxPart = 0 ; idxPart < loader.getNumberOfParticles() ; ++idxPart){
loader.fillParticle(&particlePosition);
tree.insert(particlePosition);
}
}
counter.tac();
std::cout << "Done " << "(@Creating and Inserting Particles = " << counter.elapsed() << "s)." << std::endl;
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
std::cout << "Working on particles ..." << std::endl;
counter.tic();
KernelClass kernels; // FTestKernels FBasicKernels
FmmClass algo(&tree,&kernels); //FFmmAlgorithm FFmmAlgorithmThread
algo.execute();
counter.tac();
std::cout << "Done " << "(@Algorithm = " << counter.elapsed() << "s)." << std::endl;
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
ValidateFMMAlgo<OctreeClass, CellClass, ContainerClass, LeafClass>(&tree);
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
return 0;
}
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