Commit 3122f195 authored by PIACIBELLO Cyrille's avatar PIACIBELLO Cyrille
Browse files

new unit test for spherical blas

parent 0ca81df2
// ===================================================================================
// Copyright ScalFmm 2011 INRIA
// 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".
// ===================================================================================
#include "../Src/Utils/FGlobal.hpp"
#include "../Src/Containers/FOctree.hpp"
#include "../Src/Containers/FVector.hpp"
#include "../Src/Kernels/Spherical/FSphericalCell.hpp"
#include "../Src/Kernels/P2P/FP2PParticleContainerIndexed.hpp"
#include "../Src/Components/FSimpleLeaf.hpp"
#include "../Src/Kernels/Spherical/FSphericalKernel.hpp"
#include "../Src/Kernels/Spherical/FSphericalRotationKernel.hpp"
#include "../Src/Kernels/Spherical/FSphericalBlasKernel.hpp"
#include "../Src/Kernels/Spherical/FSphericalBlockBlasKernel.hpp"
#include "../Src/Files/FFmaGenericLoader.hpp"
#include "../Src/Core/FFmmAlgorithm.hpp"
#include "FUTester.hpp"
/*
In this test we compare the spherical fmm results and the direct results.
*/
/** the test class
*
*/
class TestSphericalDirect : public FUTester<TestSphericalDirect> {
/** The test method to factorize all the test based on different kernels */
template < class CellClass, class ContainerClass, class KernelClass, class LeafClass,
class OctreeClass, class FmmClass>
void RunTest( const bool isBlasKernel){
//
const int DevP = 9;
//
// Load particles
//
if(sizeof(FReal) == sizeof(float) ) {
std::cerr << "No input data available for Float "<< std::endl;
exit(EXIT_FAILURE);
}
const std::string parFile( (sizeof(FReal) == sizeof(float))?
"Test/DirectFloat.bfma":
"UTest/DirectDouble.bfma");
//
std::string filename(SCALFMMDataPath+parFile);
//
FFmaGenericLoader loader(filename);
if(!loader.isOpen()){
Print("Cannot open particles file.");
uassert(false);
return;
}
Print("Number of particles:");
Print(loader.getNumberOfParticles());
const int NbLevels = 4;
const int SizeSubLevels = 2;
//
FSize nbParticles = loader.getNumberOfParticles() ;
FmaRWParticle<8,8>* const particles = new FmaRWParticle<8,8>[nbParticles];
loader.fillParticle(particles,nbParticles);
//
// Create octree
//
FSphericalCell::Init(DevP);
OctreeClass tree(NbLevels, SizeSubLevels, loader.getBoxWidth(), loader.getCenterOfBox());
// Insert particle in the tree
//
for(int idxPart = 0 ; idxPart < loader.getNumberOfParticles() ; ++idxPart){
tree.insert(particles[idxPart].getPosition() , idxPart, particles[idxPart].getPhysicalValue() );
}
// Run FMM
Print("Fmm...");
//KernelClass kernels(NbLevels,loader.getBoxWidth());
KernelClass kernels(DevP,NbLevels,loader.getBoxWidth(), loader.getCenterOfBox());
FmmClass algo(&tree,&kernels);
algo.execute();
//
FReal energy= 0.0 , energyD = 0.0 ;
/////////////////////////////////////////////////////////////////////////////////////////////////
// Compute direct energy
/////////////////////////////////////////////////////////////////////////////////////////////////
for(int idx = 0 ; idx < loader.getNumberOfParticles() ; ++idx){
energyD += particles[idx].getPotential()*particles[idx].getPhysicalValue() ;
}
/////////////////////////////////////////////////////////////////////////////////////////////////
// Compare
/////////////////////////////////////////////////////////////////////////////////////////////////
Print("Compute Diff...");
FMath::FAccurater potentialDiff;
FMath::FAccurater fx, fy, fz;
{ // Check that each particle has been summed with all other
tree.forEachLeaf([&](LeafClass* leaf){
const FReal*const potentials = leaf->getTargets()->getPotentials();
const FReal*const physicalValues = leaf->getTargets()->getPhysicalValues();
const FReal*const forcesX = leaf->getTargets()->getForcesX();
const FReal*const forcesY = leaf->getTargets()->getForcesY();
const FReal*const forcesZ = leaf->getTargets()->getForcesZ();
const int nbParticlesInLeaf = leaf->getTargets()->getNbParticles();
const FVector<int>& indexes = leaf->getTargets()->getIndexes();
for(int idxPart = 0 ; idxPart < nbParticlesInLeaf ; ++idxPart){
const int indexPartOrig = indexes[idxPart];
potentialDiff.add(particles[indexPartOrig].getPotential(),potentials[idxPart]);
fx.add(particles[indexPartOrig].getForces()[0],forcesX[idxPart]);
fy.add(particles[indexPartOrig].getForces()[1],forcesY[idxPart]);
fz.add(particles[indexPartOrig].getForces()[2],forcesZ[idxPart]);
energy += potentials[idxPart]*physicalValues[idxPart];
}
});
}
delete[] particles;
// Print for information
Print("Potential diff is = ");
printf(" Pot L2Norm %e\n",potentialDiff.getL2Norm());
printf(" Pot RL2Norm %e\n",potentialDiff.getRelativeL2Norm());
printf(" Pot RMSError %e\n",potentialDiff.getRMSError());
Print("Fx diff is = ");
printf(" Fx L2Norm %e\n",fx.getL2Norm());
printf(" Fx RL2Norm %e\n",fx.getRelativeL2Norm());
printf(" Fx RMSError %e\n",fx.getRMSError());
Print("Fy diff is = ");
printf(" Fy L2Norm %e\n",fy.getL2Norm());
printf(" Fy RL2Norm %e\n",fy.getRelativeL2Norm());
printf(" Fy RMSError %e\n",fy.getRMSError());
Print("Fz diff is = ");
printf(" Fz L2Norm %e\n",fz.getL2Norm());
printf(" Fz RL2Norm %e\n",fz.getRelativeL2Norm());
printf(" Fz RMSError %e\n",fz.getRMSError());
FReal L2error = (fx.getRelativeL2Norm()*fx.getRelativeL2Norm() + fy.getRelativeL2Norm()*fy.getRelativeL2Norm() + fz.getRelativeL2Norm() *fz.getRelativeL2Norm() );
printf(" Total L2 Force Error= %e\n",FMath::Sqrt(L2error)) ;
printf(" Energy Error = %.12e\n",FMath::Abs(energy-energyD));
printf(" Energy FMM = %.12e\n",FMath::Abs(energy));
printf(" Energy DIRECT = %.12e\n",FMath::Abs(energyD));
// Assert
const FReal MaximumDiffPotential = FReal(9e-3);
const FReal MaximumDiffForces = FReal(9e-2);
Print("Test1 - Error Relative L2 norm Potential ");
uassert(potentialDiff.getRelativeL2Norm() < MaximumDiffPotential); //1
Print("Test2 - Error RMS L2 norm Potential ");
uassert(potentialDiff.getRMSError() < MaximumDiffPotential); //2
Print("Test3 - Error Relative L2 norm FX ");
uassert(fx.getRelativeL2Norm() < MaximumDiffForces); //3
Print("Test4 - Error RMS L2 norm FX ");
uassert(fx.getRMSError() < MaximumDiffForces); //4
Print("Test5 - Error Relative L2 norm FY ");
uassert(fy.getRelativeL2Norm() < MaximumDiffForces); //5
Print("Test6 - Error RMS L2 norm FY ");
uassert(fy.getRMSError() < MaximumDiffForces); //6
Print("Test7 - Error Relative L2 norm FZ ");
uassert(fz.getRelativeL2Norm() < MaximumDiffForces); //8
Print("Test8 - Error RMS L2 norm FZ ");
uassert(fz.getRMSError() < MaximumDiffForces); //8
Print("Test9 - Error Relative L2 norm F ");
uassert(L2error < MaximumDiffForces); //9 Total Force
Print("Test10 - Relative error Energy ");
uassert(FMath::Abs(energy-energyD) /energyD< MaximumDiffPotential); //10 Total Energy
}
/** If memstas is running print the memory used */
void PostTest() {
if( FMemStats::controler.isUsed() ){
std::cout << "Memory used at the end " << FMemStats::controler.getCurrentAllocated() << " Bytes (" << FMemStats::controler.getCurrentAllocatedMB() << "MB)\n";
std::cout << "Max memory used " << FMemStats::controler.getMaxAllocated() << " Bytes (" << FMemStats::controler.getMaxAllocatedMB() << "MB)\n";
std::cout << "Total memory used " << FMemStats::controler.getTotalAllocated() << " Bytes (" << FMemStats::controler.getTotalAllocatedMB() << "MB)\n";
}
}
///////////////////////////////////////////////////////////
// The tests!
///////////////////////////////////////////////////////////
/** Classic */
void TestSpherical(){
typedef FSphericalCell CellClass;
typedef FP2PParticleContainerIndexed<> ContainerClass;
typedef FSphericalKernel< CellClass, ContainerClass > KernelClass;
typedef FSimpleLeaf< ContainerClass > LeafClass;
typedef FOctree< CellClass, ContainerClass , LeafClass > OctreeClass;
typedef FFmmAlgorithm<OctreeClass, CellClass, ContainerClass, KernelClass, LeafClass > FmmClass;
RunTest< CellClass, ContainerClass, KernelClass, LeafClass,
OctreeClass, FmmClass>(false);
}
#ifdef ScalFMM_USE_BLAS
/** Blas */
void TestSphericalBlas(){
typedef FSphericalCell CellClass;
typedef FP2PParticleContainerIndexed<> ContainerClass;
typedef FSphericalBlasKernel< CellClass, ContainerClass > KernelClass;
typedef FSimpleLeaf< ContainerClass > LeafClass;
typedef FOctree< CellClass, ContainerClass , LeafClass > OctreeClass;
typedef FFmmAlgorithm<OctreeClass, CellClass, ContainerClass, KernelClass, LeafClass > FmmClass;
RunTest< CellClass, ContainerClass, KernelClass, LeafClass,
OctreeClass, FmmClass>(true);
}
/** Block blas */
void TestSphericalBlockBlas(){
typedef FSphericalCell CellClass;
typedef FP2PParticleContainerIndexed<> ContainerClass;
typedef FSphericalBlockBlasKernel< CellClass, ContainerClass > KernelClass;
typedef FSimpleLeaf< ContainerClass > LeafClass;
typedef FOctree< CellClass, ContainerClass , LeafClass > OctreeClass;
typedef FFmmAlgorithm<OctreeClass, CellClass, ContainerClass, KernelClass, LeafClass > FmmClass;
RunTest< CellClass, ContainerClass, KernelClass, LeafClass,
OctreeClass, FmmClass>(true);
}
#endif
///////////////////////////////////////////////////////////
// Set the tests!
///////////////////////////////////////////////////////////
/** set test */
void SetTests(){
AddTest(&TestSphericalDirect::TestSpherical,"Test Spherical Kernel");
#ifdef ScalFMM_USE_BLAS
AddTest(&TestSphericalDirect::TestSphericalBlas,"Test Spherical Blas Kernel");
AddTest(&TestSphericalDirect::TestSphericalBlockBlas,"Test Spherical Block Blas Kernel");
#endif
}
};
// You must do this
TestClass(TestSphericalDirect)
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